[INFO] cloning repository https://github.com/quirinux/rust-core-utils [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/quirinux/rust-core-utils" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquirinux%2Frust-core-utils", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquirinux%2Frust-core-utils'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8f2ffb6576e72fb0177a1e7fb5c455c26bc62190 [INFO] building quirinux/rust-core-utils against master#70591dc15db32941fe3595fdbf98e58d6975f95e for pr-127731 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquirinux%2Frust-core-utils" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/quirinux/rust-core-utils on toolchain 70591dc15db32941fe3595fdbf98e58d6975f95e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/quirinux/rust-core-utils [INFO] finished tweaking git repo https://github.com/quirinux/rust-core-utils [INFO] tweaked toml for git repo https://github.com/quirinux/rust-core-utils written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/quirinux/rust-core-utils already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded structopt-derive v0.2.16 [INFO] [stderr] Downloaded structopt v0.2.16 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 85963486a6044302f67bafa87cf3fb5679b20581c338163aaf16a9b528a3554c [INFO] running `Command { std: "docker" "start" "-a" "85963486a6044302f67bafa87cf3fb5679b20581c338163aaf16a9b528a3554c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "85963486a6044302f67bafa87cf3fb5679b20581c338163aaf16a9b528a3554c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "85963486a6044302f67bafa87cf3fb5679b20581c338163aaf16a9b528a3554c", kill_on_drop: false }` [INFO] [stdout] 85963486a6044302f67bafa87cf3fb5679b20581c338163aaf16a9b528a3554c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4c3655133b495956374e07f71d3b08f20e3b3efdf436e3d5cd1aa606184b5acc [INFO] running `Command { std: "docker" "start" "-a" "4c3655133b495956374e07f71d3b08f20e3b3efdf436e3d5cd1aa606184b5acc", kill_on_drop: false }` [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling nodrop v0.1.13 [INFO] [stderr] Compiling crossbeam-utils v0.6.5 [INFO] [stderr] Compiling syn v0.15.36 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling ucd-util v0.1.3 [INFO] [stderr] Compiling memoffset v0.2.1 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling regex v1.1.7 [INFO] [stderr] Compiling unicode-segmentation v1.3.0 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling aho-corasick v0.7.4 [INFO] [stderr] Compiling crossbeam-epoch v0.7.1 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling regex-syntax v0.6.7 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling smallvec v0.6.10 [INFO] [stderr] Compiling utf8-ranges v1.0.3 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling quick-error v1.2.2 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling humantime v1.2.0 [INFO] [stderr] Compiling crossbeam-channel v0.3.8 [INFO] [stderr] Compiling crossbeam-deque v0.7.1 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling termcolor v1.0.5 [INFO] [stderr] Compiling crossbeam v0.7.1 [INFO] [stderr] Compiling structopt-derive v0.2.16 [INFO] [stderr] Compiling structopt v0.2.16 [INFO] [stderr] Compiling env_logger v0.6.2 [INFO] [stderr] Compiling rust-core-utils v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/bin/util/file.rs:18:18 [INFO] [stdout] | [INFO] [stdout] 18 | bufread: Box, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 18 | bufread: Box, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/bin/util/file.rs:18:18 [INFO] [stdout] | [INFO] [stdout] 18 | bufread: Box, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 18 | bufread: Box, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Write` and `self` [INFO] [stdout] --> src/bin/tail.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 9 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt` [INFO] [stdout] --> src/bin/tail.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::fmt; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/bin/util/file.rs:18:18 [INFO] [stdout] | [INFO] [stdout] 18 | bufread: Box, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 18 | bufread: Box, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `enable_escape` is never read [INFO] [stdout] --> src/bin/echo.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 7 | struct Opt { [INFO] [stdout] | --- field in this struct [INFO] [stdout] ... [INFO] [stdout] 14 | enable_escape: bool, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Opt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `from_byte` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:14:17 [INFO] [stdout] | [INFO] [stdout] 14 | let mut from_byte: usize = 0; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `last_bytes` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:15:17 [INFO] [stdout] | [INFO] [stdout] 15 | let mut last_bytes: usize = 0; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `from_line` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:16:17 [INFO] [stdout] | [INFO] [stdout] 16 | let mut from_line: usize = 0; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `last_lines` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:17:17 [INFO] [stdout] | [INFO] [stdout] 17 | let mut last_lines: usize = 0; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `from` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:50:17 [INFO] [stdout] | [INFO] [stdout] 50 | let mut from: usize = 0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `last` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:51:17 [INFO] [stdout] | [INFO] [stdout] 51 | let mut last: usize = 0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `from_byte` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:14:17 [INFO] [stdout] | [INFO] [stdout] 14 | let mut from_byte: usize = 0; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `last_bytes` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:15:17 [INFO] [stdout] | [INFO] [stdout] 15 | let mut last_bytes: usize = 0; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `from_line` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:16:17 [INFO] [stdout] | [INFO] [stdout] 16 | let mut from_line: usize = 0; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `last_lines` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:17:17 [INFO] [stdout] | [INFO] [stdout] 17 | let mut last_lines: usize = 0; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `from` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:50:17 [INFO] [stdout] | [INFO] [stdout] 50 | let mut from: usize = 0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `last` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:51:17 [INFO] [stdout] | [INFO] [stdout] 51 | let mut last: usize = 0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `valid_line` [INFO] [stdout] --> src/bin/cat.rs:137:21 [INFO] [stdout] | [INFO] [stdout] 137 | let mut valid_line = false; [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_valid_line` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `blank_line_count` [INFO] [stdout] --> src/bin/cat.rs:143:30 [INFO] [stdout] | [INFO] [stdout] 143 | let (valid_line, blank_line_count) = valid(line.clone(), blank_line_count, opt.squeeze_blank); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_blank_line_count` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/cat.rs:137:17 [INFO] [stdout] | [INFO] [stdout] 137 | let mut valid_line = false; [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:5:14 [INFO] [stdout] | [INFO] [stdout] 5 | FromByte(usize), [INFO] [stdout] | -------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `FileReadStrategy` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 5 | FromByte(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:6:15 [INFO] [stdout] | [INFO] [stdout] 6 | LastBytes(usize), [INFO] [stdout] | --------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `FileReadStrategy` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 6 | LastBytes(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:7:14 [INFO] [stdout] | [INFO] [stdout] 7 | FromLine(usize), [INFO] [stdout] | -------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `FileReadStrategy` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 7 | FromLine(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:8:15 [INFO] [stdout] | [INFO] [stdout] 8 | LastLines(usize), [INFO] [stdout] | --------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `FileReadStrategy` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 8 | LastLines(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 9 | None(String), [INFO] [stdout] | ---- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `FileReadStrategy` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 9 | None(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `from_byte` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:14:17 [INFO] [stdout] | [INFO] [stdout] 14 | let mut from_byte: usize = 0; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `last_bytes` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:15:17 [INFO] [stdout] | [INFO] [stdout] 15 | let mut last_bytes: usize = 0; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `from_line` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:16:17 [INFO] [stdout] | [INFO] [stdout] 16 | let mut from_line: usize = 0; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `last_lines` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:17:17 [INFO] [stdout] | [INFO] [stdout] 17 | let mut last_lines: usize = 0; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `from` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:50:17 [INFO] [stdout] | [INFO] [stdout] 50 | let mut from: usize = 0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `last` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:51:17 [INFO] [stdout] | [INFO] [stdout] 51 | let mut last: usize = 0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `number_nonempty` and `ignored` are never read [INFO] [stdout] --> src/bin/cat.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 14 | struct Opt { [INFO] [stdout] | --- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 21 | number_nonempty: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | ignored: bool, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Opt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:5:14 [INFO] [stdout] | [INFO] [stdout] 5 | FromByte(usize), [INFO] [stdout] | -------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `FileReadStrategy` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 5 | FromByte(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/head.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | writter.write_all(&b.unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 55 | let _ = writter.write_all(&b.unwrap()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:6:15 [INFO] [stdout] | [INFO] [stdout] 6 | LastBytes(usize), [INFO] [stdout] | --------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `FileReadStrategy` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 6 | LastBytes(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:7:14 [INFO] [stdout] | [INFO] [stdout] 7 | FromLine(usize), [INFO] [stdout] | -------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `FileReadStrategy` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 7 | FromLine(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:8:15 [INFO] [stdout] | [INFO] [stdout] 8 | LastLines(usize), [INFO] [stdout] | --------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `FileReadStrategy` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 8 | LastLines(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 9 | None(String), [INFO] [stdout] | ---- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `FileReadStrategy` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 9 | None(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/cat.rs:153:13 [INFO] [stdout] | [INFO] [stdout] 153 | / match f.read_chunk(size) { [INFO] [stdout] 154 | | Some(b) => writter.write_all(&b), [INFO] [stdout] 155 | | _ => Ok(()), [INFO] [stdout] 156 | | }; [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 153 | let _ = match f.read_chunk(size) { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `last_read` is never read [INFO] [stdout] --> src/bin/tail.rs:183:17 [INFO] [stdout] | [INFO] [stdout] 183 | let mut last_read = 0; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `Nome` [INFO] [stdout] --> src/bin/tail.rs:196:29 [INFO] [stdout] | [INFO] [stdout] 196 | ... Nome => { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_Nome` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `Nome` [INFO] [stdout] --> src/bin/tail.rs:241:29 [INFO] [stdout] | [INFO] [stdout] 241 | ... Nome => { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_Nome` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `line_number` [INFO] [stdout] --> src/bin/tail.rs:296:13 [INFO] [stdout] | [INFO] [stdout] 296 | let mut line_number = 0; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_line_number` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/tail.rs:296:9 [INFO] [stdout] | [INFO] [stdout] 296 | let mut line_number = 0; [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `max_unchanged_stats`, `pid`, `quiet`, and `verbose` are never read [INFO] [stdout] --> src/bin/tail.rs:100:9 [INFO] [stdout] | [INFO] [stdout] 97 | struct TailOption { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 100 | pub max_unchanged_stats: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 101 | pub pid: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] 102 | pub quiet: bool, [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 105 | pub verbose: bool, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TailOption` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/tail.rs:149:9 [INFO] [stdout] | [INFO] [stdout] 149 | to.output_channel.send(Line{ from_file: None, content: content }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 149 | let _ = to.output_channel.send(Line{ from_file: None, content: content }); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/tail.rs:171:21 [INFO] [stdout] | [INFO] [stdout] 171 | to.output_channel.send(Line{ from_file: None, content: content }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 171 | let _ = to.output_channel.send(Line{ from_file: None, content: content }); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/tail.rs:194:33 [INFO] [stdout] | [INFO] [stdout] 194 | ... to.output_channel.send(Line{ from_file: Some(to.file.clone()), content: content }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 194 | let _ = to.output_channel.send(Line{ from_file: Some(to.file.clone()), content: content }); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Nome` should have a snake case name [INFO] [stdout] --> src/bin/tail.rs:196:29 [INFO] [stdout] | [INFO] [stdout] 196 | ... Nome => { [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `nome` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/tail.rs:212:21 [INFO] [stdout] | [INFO] [stdout] 212 | to.output_channel.send(Line{ from_file: Some(to.file.clone()), content: content }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 212 | let _ = to.output_channel.send(Line{ from_file: Some(to.file.clone()), content: content }); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/tail.rs:222:21 [INFO] [stdout] | [INFO] [stdout] 222 | to.output_channel.send(Line{ from_file: Some(to.file.clone()), content: content }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 222 | let _ = to.output_channel.send(Line{ from_file: Some(to.file.clone()), content: content }); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/tail.rs:239:33 [INFO] [stdout] | [INFO] [stdout] 239 | ... to.output_channel.send(Line{ from_file: Some(to.file.clone()), content: b }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 239 | let _ = to.output_channel.send(Line{ from_file: Some(to.file.clone()), content: b }); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Nome` should have a snake case name [INFO] [stdout] --> src/bin/tail.rs:241:29 [INFO] [stdout] | [INFO] [stdout] 241 | ... Nome => { [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `nome` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/tail.rs:345:9 [INFO] [stdout] | [INFO] [stdout] 345 | t.join(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 345 | let _ = t.join(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/tail.rs:348:5 [INFO] [stdout] | [INFO] [stdout] 348 | close_tx.send(true); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 348 | let _ = close_tx.send(true); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/tail.rs:349:5 [INFO] [stdout] | [INFO] [stdout] 349 | output_thread.join(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 349 | let _ = output_thread.join(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 26 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.85s [INFO] running `Command { std: "docker" "inspect" "4c3655133b495956374e07f71d3b08f20e3b3efdf436e3d5cd1aa606184b5acc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c3655133b495956374e07f71d3b08f20e3b3efdf436e3d5cd1aa606184b5acc", kill_on_drop: false }` [INFO] [stdout] 4c3655133b495956374e07f71d3b08f20e3b3efdf436e3d5cd1aa606184b5acc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d15375747440b502126d554f6a96e7923b0b9c55f2c012187508d60165a91174 [INFO] running `Command { std: "docker" "start" "-a" "d15375747440b502126d554f6a96e7923b0b9c55f2c012187508d60165a91174", kill_on_drop: false }` [INFO] [stderr] Compiling rust-core-utils v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/bin/util/file.rs:18:18 [INFO] [stdout] | [INFO] [stdout] 18 | bufread: Box, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 18 | bufread: Box, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/bin/util/file.rs:18:18 [INFO] [stdout] | [INFO] [stdout] 18 | bufread: Box, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 18 | bufread: Box, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Write` and `self` [INFO] [stdout] --> src/bin/tail.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 9 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt` [INFO] [stdout] --> src/bin/tail.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::fmt; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/bin/util/file.rs:18:18 [INFO] [stdout] | [INFO] [stdout] 18 | bufread: Box, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 18 | bufread: Box, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `enable_escape` is never read [INFO] [stdout] --> src/bin/echo.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 7 | struct Opt { [INFO] [stdout] | --- field in this struct [INFO] [stdout] ... [INFO] [stdout] 14 | enable_escape: bool, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Opt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `from_byte` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:14:17 [INFO] [stdout] | [INFO] [stdout] 14 | let mut from_byte: usize = 0; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `last_bytes` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:15:17 [INFO] [stdout] | [INFO] [stdout] 15 | let mut last_bytes: usize = 0; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `from_line` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:16:17 [INFO] [stdout] | [INFO] [stdout] 16 | let mut from_line: usize = 0; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `last_lines` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:17:17 [INFO] [stdout] | [INFO] [stdout] 17 | let mut last_lines: usize = 0; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `from_byte` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:14:17 [INFO] [stdout] | [INFO] [stdout] 14 | let mut from_byte: usize = 0; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `from` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:50:17 [INFO] [stdout] | [INFO] [stdout] 50 | let mut from: usize = 0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `last_bytes` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:15:17 [INFO] [stdout] | [INFO] [stdout] 15 | let mut last_bytes: usize = 0; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `last` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:51:17 [INFO] [stdout] | [INFO] [stdout] 51 | let mut last: usize = 0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `from_line` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:16:17 [INFO] [stdout] | [INFO] [stdout] 16 | let mut from_line: usize = 0; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `last_lines` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:17:17 [INFO] [stdout] | [INFO] [stdout] 17 | let mut last_lines: usize = 0; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `from` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:50:17 [INFO] [stdout] | [INFO] [stdout] 50 | let mut from: usize = 0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `last` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:51:17 [INFO] [stdout] | [INFO] [stdout] 51 | let mut last: usize = 0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `valid_line` [INFO] [stdout] --> src/bin/cat.rs:137:21 [INFO] [stdout] | [INFO] [stdout] 137 | let mut valid_line = false; [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_valid_line` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `blank_line_count` [INFO] [stdout] --> src/bin/cat.rs:143:30 [INFO] [stdout] | [INFO] [stdout] 143 | let (valid_line, blank_line_count) = valid(line.clone(), blank_line_count, opt.squeeze_blank); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_blank_line_count` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/cat.rs:137:17 [INFO] [stdout] | [INFO] [stdout] 137 | let mut valid_line = false; [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:5:14 [INFO] [stdout] | [INFO] [stdout] 5 | FromByte(usize), [INFO] [stdout] | -------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `FileReadStrategy` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 5 | FromByte(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:6:15 [INFO] [stdout] | [INFO] [stdout] 6 | LastBytes(usize), [INFO] [stdout] | --------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `FileReadStrategy` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 6 | LastBytes(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:7:14 [INFO] [stdout] | [INFO] [stdout] 7 | FromLine(usize), [INFO] [stdout] | -------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `FileReadStrategy` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 7 | FromLine(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:8:15 [INFO] [stdout] | [INFO] [stdout] 8 | LastLines(usize), [INFO] [stdout] | --------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `FileReadStrategy` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 8 | LastLines(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 9 | None(String), [INFO] [stdout] | ---- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `FileReadStrategy` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 9 | None(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `number_nonempty` and `ignored` are never read [INFO] [stdout] --> src/bin/cat.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 14 | struct Opt { [INFO] [stdout] | --- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 21 | number_nonempty: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | ignored: bool, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Opt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:5:14 [INFO] [stdout] | [INFO] [stdout] 5 | FromByte(usize), [INFO] [stdout] | -------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `FileReadStrategy` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 5 | FromByte(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:6:15 [INFO] [stdout] | [INFO] [stdout] 6 | LastBytes(usize), [INFO] [stdout] | --------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `FileReadStrategy` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 6 | LastBytes(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:7:14 [INFO] [stdout] | [INFO] [stdout] 7 | FromLine(usize), [INFO] [stdout] | -------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `FileReadStrategy` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 7 | FromLine(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:8:15 [INFO] [stdout] | [INFO] [stdout] 8 | LastLines(usize), [INFO] [stdout] | --------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `FileReadStrategy` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 8 | LastLines(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 9 | None(String), [INFO] [stdout] | ---- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `FileReadStrategy` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 9 | None(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/head.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | writter.write_all(&b.unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 55 | let _ = writter.write_all(&b.unwrap()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `from_byte` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:14:17 [INFO] [stdout] | [INFO] [stdout] 14 | let mut from_byte: usize = 0; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `last_bytes` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:15:17 [INFO] [stdout] | [INFO] [stdout] 15 | let mut last_bytes: usize = 0; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/cat.rs:153:13 [INFO] [stdout] | [INFO] [stdout] 153 | / match f.read_chunk(size) { [INFO] [stdout] 154 | | Some(b) => writter.write_all(&b), [INFO] [stdout] 155 | | _ => Ok(()), [INFO] [stdout] 156 | | }; [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 153 | let _ = match f.read_chunk(size) { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `from_line` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:16:17 [INFO] [stdout] | [INFO] [stdout] 16 | let mut from_line: usize = 0; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `last_lines` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:17:17 [INFO] [stdout] | [INFO] [stdout] 17 | let mut last_lines: usize = 0; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `from` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:50:17 [INFO] [stdout] | [INFO] [stdout] 50 | let mut from: usize = 0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `last` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:51:17 [INFO] [stdout] | [INFO] [stdout] 51 | let mut last: usize = 0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `last_read` is never read [INFO] [stdout] --> src/bin/tail.rs:183:17 [INFO] [stdout] | [INFO] [stdout] 183 | let mut last_read = 0; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `Nome` [INFO] [stdout] --> src/bin/tail.rs:196:29 [INFO] [stdout] | [INFO] [stdout] 196 | ... Nome => { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_Nome` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `Nome` [INFO] [stdout] --> src/bin/tail.rs:241:29 [INFO] [stdout] | [INFO] [stdout] 241 | ... Nome => { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_Nome` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `line_number` [INFO] [stdout] --> src/bin/tail.rs:296:13 [INFO] [stdout] | [INFO] [stdout] 296 | let mut line_number = 0; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_line_number` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/tail.rs:296:9 [INFO] [stdout] | [INFO] [stdout] 296 | let mut line_number = 0; [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `max_unchanged_stats`, `pid`, `quiet`, and `verbose` are never read [INFO] [stdout] --> src/bin/tail.rs:100:9 [INFO] [stdout] | [INFO] [stdout] 97 | struct TailOption { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 100 | pub max_unchanged_stats: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 101 | pub pid: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] 102 | pub quiet: bool, [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 105 | pub verbose: bool, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TailOption` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/tail.rs:149:9 [INFO] [stdout] | [INFO] [stdout] 149 | to.output_channel.send(Line{ from_file: None, content: content }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 149 | let _ = to.output_channel.send(Line{ from_file: None, content: content }); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/tail.rs:171:21 [INFO] [stdout] | [INFO] [stdout] 171 | to.output_channel.send(Line{ from_file: None, content: content }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 171 | let _ = to.output_channel.send(Line{ from_file: None, content: content }); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/tail.rs:194:33 [INFO] [stdout] | [INFO] [stdout] 194 | ... to.output_channel.send(Line{ from_file: Some(to.file.clone()), content: content }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 194 | let _ = to.output_channel.send(Line{ from_file: Some(to.file.clone()), content: content }); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Nome` should have a snake case name [INFO] [stdout] --> src/bin/tail.rs:196:29 [INFO] [stdout] | [INFO] [stdout] 196 | ... Nome => { [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `nome` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/tail.rs:212:21 [INFO] [stdout] | [INFO] [stdout] 212 | to.output_channel.send(Line{ from_file: Some(to.file.clone()), content: content }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 212 | let _ = to.output_channel.send(Line{ from_file: Some(to.file.clone()), content: content }); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/tail.rs:222:21 [INFO] [stdout] | [INFO] [stdout] 222 | to.output_channel.send(Line{ from_file: Some(to.file.clone()), content: content }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 222 | let _ = to.output_channel.send(Line{ from_file: Some(to.file.clone()), content: content }); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/tail.rs:239:33 [INFO] [stdout] | [INFO] [stdout] 239 | ... to.output_channel.send(Line{ from_file: Some(to.file.clone()), content: b }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 239 | let _ = to.output_channel.send(Line{ from_file: Some(to.file.clone()), content: b }); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Nome` should have a snake case name [INFO] [stdout] --> src/bin/tail.rs:241:29 [INFO] [stdout] | [INFO] [stdout] 241 | ... Nome => { [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `nome` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/tail.rs:345:9 [INFO] [stdout] | [INFO] [stdout] 345 | t.join(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 345 | let _ = t.join(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/tail.rs:348:5 [INFO] [stdout] | [INFO] [stdout] 348 | close_tx.send(true); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 348 | let _ = close_tx.send(true); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/tail.rs:349:5 [INFO] [stdout] | [INFO] [stdout] 349 | output_thread.join(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 349 | let _ = output_thread.join(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 26 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s [INFO] running `Command { std: "docker" "inspect" "d15375747440b502126d554f6a96e7923b0b9c55f2c012187508d60165a91174", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d15375747440b502126d554f6a96e7923b0b9c55f2c012187508d60165a91174", kill_on_drop: false }` [INFO] [stdout] d15375747440b502126d554f6a96e7923b0b9c55f2c012187508d60165a91174 [INFO] building quirinux/rust-core-utils against try#7587ff3622fbec0abf6ac551eab5226f22f5d958 for pr-127731 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquirinux%2Frust-core-utils" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/quirinux/rust-core-utils on toolchain 7587ff3622fbec0abf6ac551eab5226f22f5d958 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7587ff3622fbec0abf6ac551eab5226f22f5d958" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/quirinux/rust-core-utils [INFO] finished tweaking git repo https://github.com/quirinux/rust-core-utils [INFO] tweaked toml for git repo https://github.com/quirinux/rust-core-utils written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/quirinux/rust-core-utils already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7587ff3622fbec0abf6ac551eab5226f22f5d958" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+7587ff3622fbec0abf6ac551eab5226f22f5d958" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4c89ad94ce9d8b7d865e5f945d572089a293e2015b49efc0ec2cc054067c76c4 [INFO] running `Command { std: "docker" "start" "-a" "4c89ad94ce9d8b7d865e5f945d572089a293e2015b49efc0ec2cc054067c76c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4c89ad94ce9d8b7d865e5f945d572089a293e2015b49efc0ec2cc054067c76c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c89ad94ce9d8b7d865e5f945d572089a293e2015b49efc0ec2cc054067c76c4", kill_on_drop: false }` [INFO] [stdout] 4c89ad94ce9d8b7d865e5f945d572089a293e2015b49efc0ec2cc054067c76c4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+7587ff3622fbec0abf6ac551eab5226f22f5d958" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 967666b189eb5ddde65b5821ba873c65789c554b9b972d21f52bb32501deef7c [INFO] running `Command { std: "docker" "start" "-a" "967666b189eb5ddde65b5821ba873c65789c554b9b972d21f52bb32501deef7c", kill_on_drop: false }` [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling syn v0.15.36 [INFO] [stderr] Compiling crossbeam-utils v0.6.5 [INFO] [stderr] Compiling nodrop v0.1.13 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling regex v1.1.7 [INFO] [stderr] Compiling unicode-segmentation v1.3.0 [INFO] [stderr] Compiling memoffset v0.2.1 [INFO] [stderr] Compiling ucd-util v0.1.3 [INFO] [stderr] Compiling regex-syntax v0.6.7 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling aho-corasick v0.7.4 [INFO] [stderr] Compiling crossbeam-epoch v0.7.1 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling smallvec v0.6.10 [INFO] [stderr] Compiling quick-error v1.2.2 [INFO] [stderr] Compiling utf8-ranges v1.0.3 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling humantime v1.2.0 [INFO] [stderr] Compiling crossbeam-channel v0.3.8 [INFO] [stderr] Compiling crossbeam-deque v0.7.1 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling termcolor v1.0.5 [INFO] [stderr] Compiling crossbeam v0.7.1 [INFO] [stderr] Compiling structopt-derive v0.2.16 [INFO] [stderr] Compiling structopt v0.2.16 [INFO] [stderr] Compiling env_logger v0.6.2 [INFO] [stderr] Compiling rust-core-utils v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/bin/util/file.rs:18:18 [INFO] [stdout] | [INFO] [stdout] 18 | bufread: Box, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 18 | bufread: Box, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/bin/util/file.rs:18:18 [INFO] [stdout] | [INFO] [stdout] 18 | bufread: Box, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 18 | bufread: Box, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Write` and `self` [INFO] [stdout] --> src/bin/tail.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 9 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt` [INFO] [stdout] --> src/bin/tail.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::fmt; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/bin/util/file.rs:18:18 [INFO] [stdout] | [INFO] [stdout] 18 | bufread: Box, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 18 | bufread: Box, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `enable_escape` is never read [INFO] [stdout] --> src/bin/echo.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 7 | struct Opt { [INFO] [stdout] | --- field in this struct [INFO] [stdout] ... [INFO] [stdout] 14 | enable_escape: bool, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Opt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `from_byte` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:14:17 [INFO] [stdout] | [INFO] [stdout] 14 | let mut from_byte: usize = 0; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `last_bytes` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:15:17 [INFO] [stdout] | [INFO] [stdout] 15 | let mut last_bytes: usize = 0; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `from_line` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:16:17 [INFO] [stdout] | [INFO] [stdout] 16 | let mut from_line: usize = 0; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `last_lines` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:17:17 [INFO] [stdout] | [INFO] [stdout] 17 | let mut last_lines: usize = 0; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `from` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:50:17 [INFO] [stdout] | [INFO] [stdout] 50 | let mut from: usize = 0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `from_byte` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:14:17 [INFO] [stdout] | [INFO] [stdout] 14 | let mut from_byte: usize = 0; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `last_bytes` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:15:17 [INFO] [stdout] | [INFO] [stdout] 15 | let mut last_bytes: usize = 0; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `from_line` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:16:17 [INFO] [stdout] | [INFO] [stdout] 16 | let mut from_line: usize = 0; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `last` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:51:17 [INFO] [stdout] | [INFO] [stdout] 51 | let mut last: usize = 0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `last_lines` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:17:17 [INFO] [stdout] | [INFO] [stdout] 17 | let mut last_lines: usize = 0; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `from` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:50:17 [INFO] [stdout] | [INFO] [stdout] 50 | let mut from: usize = 0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `last` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:51:17 [INFO] [stdout] | [INFO] [stdout] 51 | let mut last: usize = 0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `valid_line` [INFO] [stdout] --> src/bin/cat.rs:137:21 [INFO] [stdout] | [INFO] [stdout] 137 | let mut valid_line = false; [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_valid_line` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `blank_line_count` [INFO] [stdout] --> src/bin/cat.rs:143:30 [INFO] [stdout] | [INFO] [stdout] 143 | let (valid_line, blank_line_count) = valid(line.clone(), blank_line_count, opt.squeeze_blank); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_blank_line_count` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/cat.rs:137:17 [INFO] [stdout] | [INFO] [stdout] 137 | let mut valid_line = false; [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:5:14 [INFO] [stdout] | [INFO] [stdout] 5 | FromByte(usize), [INFO] [stdout] | -------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `FileReadStrategy` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 5 | FromByte(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:6:15 [INFO] [stdout] | [INFO] [stdout] 6 | LastBytes(usize), [INFO] [stdout] | --------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `FileReadStrategy` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 6 | LastBytes(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:7:14 [INFO] [stdout] | [INFO] [stdout] 7 | FromLine(usize), [INFO] [stdout] | -------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `FileReadStrategy` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 7 | FromLine(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:8:15 [INFO] [stdout] | [INFO] [stdout] 8 | LastLines(usize), [INFO] [stdout] | --------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `FileReadStrategy` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 8 | LastLines(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 9 | None(String), [INFO] [stdout] | ---- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `FileReadStrategy` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 9 | None(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `number_nonempty` and `ignored` are never read [INFO] [stdout] --> src/bin/cat.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 14 | struct Opt { [INFO] [stdout] | --- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 21 | number_nonempty: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | ignored: bool, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Opt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:5:14 [INFO] [stdout] | [INFO] [stdout] 5 | FromByte(usize), [INFO] [stdout] | -------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `FileReadStrategy` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 5 | FromByte(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:6:15 [INFO] [stdout] | [INFO] [stdout] 6 | LastBytes(usize), [INFO] [stdout] | --------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `FileReadStrategy` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 6 | LastBytes(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:7:14 [INFO] [stdout] | [INFO] [stdout] 7 | FromLine(usize), [INFO] [stdout] | -------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `FileReadStrategy` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 7 | FromLine(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:8:15 [INFO] [stdout] | [INFO] [stdout] 8 | LastLines(usize), [INFO] [stdout] | --------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `FileReadStrategy` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 8 | LastLines(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 9 | None(String), [INFO] [stdout] | ---- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `FileReadStrategy` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 9 | None(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/head.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | writter.write_all(&b.unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 55 | let _ = writter.write_all(&b.unwrap()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `from_byte` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:14:17 [INFO] [stdout] | [INFO] [stdout] 14 | let mut from_byte: usize = 0; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `last_bytes` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:15:17 [INFO] [stdout] | [INFO] [stdout] 15 | let mut last_bytes: usize = 0; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `from_line` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:16:17 [INFO] [stdout] | [INFO] [stdout] 16 | let mut from_line: usize = 0; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `last_lines` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:17:17 [INFO] [stdout] | [INFO] [stdout] 17 | let mut last_lines: usize = 0; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `from` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:50:17 [INFO] [stdout] | [INFO] [stdout] 50 | let mut from: usize = 0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `last` is never read [INFO] [stdout] --> src/bin/util/file_read_strategy.rs:51:17 [INFO] [stdout] | [INFO] [stdout] 51 | let mut last: usize = 0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/cat.rs:153:13 [INFO] [stdout] | [INFO] [stdout] 153 | / match f.read_chunk(size) { [INFO] [stdout] 154 | | Some(b) => writter.write_all(&b), [INFO] [stdout] 155 | | _ => Ok(()), [INFO] [stdout] 156 | | }; [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 153 | let _ = match f.read_chunk(size) { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `last_read` is never read [INFO] [stdout] --> src/bin/tail.rs:183:17 [INFO] [stdout] | [INFO] [stdout] 183 | let mut last_read = 0; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `Nome` [INFO] [stdout] --> src/bin/tail.rs:196:29 [INFO] [stdout] | [INFO] [stdout] 196 | ... Nome => { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_Nome` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `Nome` [INFO] [stdout] --> src/bin/tail.rs:241:29 [INFO] [stdout] | [INFO] [stdout] 241 | ... Nome => { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_Nome` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `line_number` [INFO] [stdout] --> src/bin/tail.rs:296:13 [INFO] [stdout] | [INFO] [stdout] 296 | let mut line_number = 0; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_line_number` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/tail.rs:296:9 [INFO] [stdout] | [INFO] [stdout] 296 | let mut line_number = 0; [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `max_unchanged_stats`, `pid`, `quiet`, and `verbose` are never read [INFO] [stdout] --> src/bin/tail.rs:100:9 [INFO] [stdout] | [INFO] [stdout] 97 | struct TailOption { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 100 | pub max_unchanged_stats: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 101 | pub pid: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] 102 | pub quiet: bool, [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 105 | pub verbose: bool, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TailOption` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/tail.rs:149:9 [INFO] [stdout] | [INFO] [stdout] 149 | to.output_channel.send(Line{ from_file: None, content: content }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 149 | let _ = to.output_channel.send(Line{ from_file: None, content: content }); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/tail.rs:171:21 [INFO] [stdout] | [INFO] [stdout] 171 | to.output_channel.send(Line{ from_file: None, content: content }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 171 | let _ = to.output_channel.send(Line{ from_file: None, content: content }); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/tail.rs:194:33 [INFO] [stdout] | [INFO] [stdout] 194 | ... to.output_channel.send(Line{ from_file: Some(to.file.clone()), content: content }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 194 | let _ = to.output_channel.send(Line{ from_file: Some(to.file.clone()), content: content }); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Nome` should have a snake case name [INFO] [stdout] --> src/bin/tail.rs:196:29 [INFO] [stdout] | [INFO] [stdout] 196 | ... Nome => { [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `nome` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/tail.rs:212:21 [INFO] [stdout] | [INFO] [stdout] 212 | to.output_channel.send(Line{ from_file: Some(to.file.clone()), content: content }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 212 | let _ = to.output_channel.send(Line{ from_file: Some(to.file.clone()), content: content }); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/tail.rs:222:21 [INFO] [stdout] | [INFO] [stdout] 222 | to.output_channel.send(Line{ from_file: Some(to.file.clone()), content: content }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 222 | let _ = to.output_channel.send(Line{ from_file: Some(to.file.clone()), content: content }); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/tail.rs:239:33 [INFO] [stdout] | [INFO] [stdout] 239 | ... to.output_channel.send(Line{ from_file: Some(to.file.clone()), content: b }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 239 | let _ = to.output_channel.send(Line{ from_file: Some(to.file.clone()), content: b }); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Nome` should have a snake case name [INFO] [stdout] --> src/bin/tail.rs:241:29 [INFO] [stdout] | [INFO] [stdout] 241 | ... Nome => { [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `nome` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/tail.rs:345:9 [INFO] [stdout] | [INFO] [stdout] 345 | t.join(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 345 | let _ = t.join(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/tail.rs:348:5 [INFO] [stdout] | [INFO] [stdout] 348 | close_tx.send(true); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 348 | let _ = close_tx.send(true); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/tail.rs:349:5 [INFO] [stdout] | [INFO] [stdout] 349 | output_thread.join(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 349 | let _ = output_thread.join(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: linking with `cc` failed: exit status: 1 [INFO] [stdout] | [INFO] [stdout] = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/bin/self-contained:/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/bin/self-contained:/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/bin/self-contained:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustcnlO2eB/symbols.o" "/opt/rustwide/target/debug/deps/cat-e4e8b838dd078f24.cat.3f217eb2279f8b7d-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/cat-e4e8b838dd078f24.cat.3f217eb2279f8b7d-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/cat-e4e8b838dd078f24.cat.3f217eb2279f8b7d-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/cat-e4e8b838dd078f24.d2j921o6y9hr7p8sy1q5daxcs.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libstructopt-9dc2413c7c37aa18.rlib" "/opt/rustwide/target/debug/deps/libclap-e62086fe0be35c19.rlib" "/opt/rustwide/target/debug/deps/libvec_map-eac28ef77e7894f4.rlib" "/opt/rustwide/target/debug/deps/libtextwrap-842630041a19225e.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-e4b1988cf7eebb1f.rlib" "/opt/rustwide/target/debug/deps/libstrsim-c58ca68092cf803b.rlib" "/opt/rustwide/target/debug/deps/libbitflags-fbc5249f43529cdd.rlib" "/opt/rustwide/target/debug/deps/libansi_term-c5d639f3e545ec5b.rlib" "/opt/rustwide/target/debug/deps/libenv_logger-bc8bcd6e0e13225c.rlib" "/opt/rustwide/target/debug/deps/libregex-a081c076c716e6d7.rlib" "/opt/rustwide/target/debug/deps/libutf8_ranges-20b1d137a5353a59.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-66c8f8f7edbf153b.rlib" "/opt/rustwide/target/debug/deps/libucd_util-50e24d4400cffdb7.rlib" "/opt/rustwide/target/debug/deps/libthread_local-feb8e1ada205ffbf.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-b5c81b7f5bf7098a.rlib" "/opt/rustwide/target/debug/deps/libaho_corasick-74656b6a1c870256.rlib" "/opt/rustwide/target/debug/deps/libmemchr-d4a9aed0dc2deb42.rlib" "/opt/rustwide/target/debug/deps/libatty-78c743045e4422d7.rlib" "/opt/rustwide/target/debug/deps/liblibc-757222389557e47c.rlib" "/opt/rustwide/target/debug/deps/libhumantime-3cb1d441f481f391.rlib" "/opt/rustwide/target/debug/deps/libquick_error-7c79a5c3bd1231af.rlib" "/opt/rustwide/target/debug/deps/libtermcolor-41daf77d90469fac.rlib" "/opt/rustwide/target/debug/deps/liblog-bf0072713b01efae.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-ef02fa3dc8e26a39.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-164d8fd564e4a211.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-783334590566e0fc.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-c61bd2663437c986.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-3c8f3a81644cce25.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-1244532a75e334d2.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-3edd22dc47a4513c.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-c12887f7a732d2f0.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-d5dba12b1f233f3e.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-e323419cd7924de6.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-008b8c4c7649b293.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-1e9aca0e00b982af.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-09eb8c2d25291926.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-85ca560db35b8e52.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-87a41ae6a2ba697f.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-72750b703a18185c.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a1a711aa3d9d444c.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-a912b32e3ca9ae43.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-1922b8ad2a4e54ab.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-e60eec2aca178aae.rlib" "-Wl,-Bdynamic" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-B/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-B/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-B/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-L" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/self-contained" "-o" "/opt/rustwide/target/debug/deps/cat-e4e8b838dd078f24" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs" [INFO] [stdout] = note: PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace. [INFO] [stdout] LLVM ERROR: IO failure on output stream: No space left on device [INFO] [stdout] collect2: error: ld returned 1 exit status [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust-core-utils` (bin "cat") due to 2 previous errors; 17 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: linking with `cc` failed: exit status: 1 [INFO] [stdout] | [INFO] [stdout] = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/bin/self-contained:/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/bin/self-contained:/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/bin/self-contained:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustcGFlWZj/symbols.o" "/opt/rustwide/target/debug/deps/tail-95b11ad2edcc2d14.tail.a95c52ef2bfce769-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/tail-95b11ad2edcc2d14.tail.a95c52ef2bfce769-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/tail-95b11ad2edcc2d14.tail.a95c52ef2bfce769-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/tail-95b11ad2edcc2d14.tail.a95c52ef2bfce769-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/tail-95b11ad2edcc2d14.tail.a95c52ef2bfce769-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/tail-95b11ad2edcc2d14.tail.a95c52ef2bfce769-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/tail-95b11ad2edcc2d14.tail.a95c52ef2bfce769-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/tail-95b11ad2edcc2d14.tail.a95c52ef2bfce769-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/tail-95b11ad2edcc2d14.tail.a95c52ef2bfce769-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/tail-95b11ad2edcc2d14.csc6yr8akqmut57oz1mn0fe9n.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libcrossbeam-21b755cd1b667784.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_queue-6e9affdea41bc440.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_channel-003b186066cc525c.rlib" "/opt/rustwide/target/debug/deps/libsmallvec-e935504891f65b77.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_deque-062f97847912247e.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_epoch-ec1bedcf30e44a05.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-11280264ea39e0df.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-d580d0a75f1dc37d.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-1e12244f5bfc9810.rlib" "/opt/rustwide/target/debug/deps/libarrayvec-e154eb127ab2a205.rlib" "/opt/rustwide/target/debug/deps/libstructopt-9dc2413c7c37aa18.rlib" "/opt/rustwide/target/debug/deps/libclap-e62086fe0be35c19.rlib" "/opt/rustwide/target/debug/deps/libvec_map-eac28ef77e7894f4.rlib" "/opt/rustwide/target/debug/deps/libtextwrap-842630041a19225e.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-e4b1988cf7eebb1f.rlib" "/opt/rustwide/target/debug/deps/libstrsim-c58ca68092cf803b.rlib" "/opt/rustwide/target/debug/deps/libbitflags-fbc5249f43529cdd.rlib" "/opt/rustwide/target/debug/deps/libansi_term-c5d639f3e545ec5b.rlib" "/opt/rustwide/target/debug/deps/libenv_logger-bc8bcd6e0e13225c.rlib" "/opt/rustwide/target/debug/deps/libregex-a081c076c716e6d7.rlib" "/opt/rustwide/target/debug/deps/libutf8_ranges-20b1d137a5353a59.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-66c8f8f7edbf153b.rlib" "/opt/rustwide/target/debug/deps/libucd_util-50e24d4400cffdb7.rlib" "/opt/rustwide/target/debug/deps/libthread_local-feb8e1ada205ffbf.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-b5c81b7f5bf7098a.rlib" "/opt/rustwide/target/debug/deps/libaho_corasick-74656b6a1c870256.rlib" "/opt/rustwide/target/debug/deps/libmemchr-d4a9aed0dc2deb42.rlib" "/opt/rustwide/target/debug/deps/libatty-78c743045e4422d7.rlib" "/opt/rustwide/target/debug/deps/liblibc-757222389557e47c.rlib" "/opt/rustwide/target/debug/deps/libhumantime-3cb1d441f481f391.rlib" "/opt/rustwide/target/debug/deps/libquick_error-7c79a5c3bd1231af.rlib" "/opt/rustwide/target/debug/deps/libtermcolor-41daf77d90469fac.rlib" "/opt/rustwide/target/debug/deps/liblog-bf0072713b01efae.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-ef02fa3dc8e26a39.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-164d8fd564e4a211.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-783334590566e0fc.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-c61bd2663437c986.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-3c8f3a81644cce25.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-1244532a75e334d2.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-3edd22dc47a4513c.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-c12887f7a732d2f0.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-d5dba12b1f233f3e.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-e323419cd7924de6.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-008b8c4c7649b293.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-1e9aca0e00b982af.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-09eb8c2d25291926.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-85ca560db35b8e52.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-87a41ae6a2ba697f.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-72750b703a18185c.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a1a711aa3d9d444c.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-a912b32e3ca9ae43.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-1922b8ad2a4e54ab.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-e60eec2aca178aae.rlib" "-Wl,-Bdynamic" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-B/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-B/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-B/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-L" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/self-contained" "-o" "/opt/rustwide/target/debug/deps/tail-95b11ad2edcc2d14" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs" [INFO] [stdout] = note: PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace. [INFO] [stdout] LLVM ERROR: IO failure on output stream: No space left on device [INFO] [stdout] collect2: fatal error: ld terminated with signal 7 [Bus error], core dumped [INFO] [stdout] compilation terminated. [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 26 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust-core-utils` (bin "tail") due to 2 previous errors; 26 warnings emitted [INFO] running `Command { std: "docker" "inspect" "967666b189eb5ddde65b5821ba873c65789c554b9b972d21f52bb32501deef7c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "967666b189eb5ddde65b5821ba873c65789c554b9b972d21f52bb32501deef7c", kill_on_drop: false }` [INFO] [stdout] 967666b189eb5ddde65b5821ba873c65789c554b9b972d21f52bb32501deef7c