[INFO] cloning repository https://github.com/sora0920/Rust_Editor [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sora0920/Rust_Editor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsora0920%2FRust_Editor", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsora0920%2FRust_Editor'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a64b3970aa7eb7538d304046e7b3b87c12b23570 [INFO] checking sora0920/Rust_Editor against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsora0920%2FRust_Editor" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sora0920/Rust_Editor on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sora0920/Rust_Editor [INFO] finished tweaking git repo https://github.com/sora0920/Rust_Editor [INFO] tweaked toml for git repo https://github.com/sora0920/Rust_Editor written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/sora0920/Rust_Editor already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7fa565ee8ee1300d04e912ca3b1d08c69b8f8fb94adc13cf518d548374ab00fb [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "7fa565ee8ee1300d04e912ca3b1d08c69b8f8fb94adc13cf518d548374ab00fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7fa565ee8ee1300d04e912ca3b1d08c69b8f8fb94adc13cf518d548374ab00fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7fa565ee8ee1300d04e912ca3b1d08c69b8f8fb94adc13cf518d548374ab00fb", kill_on_drop: false }` [INFO] [stdout] 7fa565ee8ee1300d04e912ca3b1d08c69b8f8fb94adc13cf518d548374ab00fb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] bb0c39683643b573a2f7c3f1e341f3b371b2753e4961b44b9520c84c52d9d7ad [INFO] running `Command { std: "docker" "start" "-a" "bb0c39683643b573a2f7c3f1e341f3b371b2753e4961b44b9520c84c52d9d7ad", kill_on_drop: false }` [INFO] [stderr] Compiling pkg-config v0.3.9 [INFO] [stderr] Compiling ncurses v5.91.0 [INFO] [stderr] Checking rust_editor v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BufReader` [INFO] [stdout] --> src/main.rs:7:15 [INFO] [stdout] | [INFO] [stdout] 7 | use std::io::{BufReader, Read}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::char` [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::char; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BufReader` [INFO] [stdout] --> src/main.rs:7:15 [INFO] [stdout] | [INFO] [stdout] 7 | use std::io::{BufReader, Read}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::char` [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::char; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:78:52 [INFO] [stdout] | [INFO] [stdout] 78 | ... Error::description(&why)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:78:52 [INFO] [stdout] | [INFO] [stdout] 78 | ... Error::description(&why)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `writer` [INFO] [stdout] --> src/main.rs:66:9 [INFO] [stdout] | [INFO] [stdout] 66 | let mut writer = stdout(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:66:9 [INFO] [stdout] | [INFO] [stdout] 66 | let mut writer = stdout(); [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: constant is never used: `BUFFER_SIZE` [INFO] [stdout] --> src/main.rs:16:1 [INFO] [stdout] | [INFO] [stdout] 16 | const BUFFER_SIZE: usize = 2048; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `List` [INFO] [stdout] --> src/main.rs:18:6 [INFO] [stdout] | [INFO] [stdout] 18 | enum List { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/main.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | fn new() -> List { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `prepend` [INFO] [stdout] --> src/main.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 28 | fn prepend(self, elem: u32) -> List{ [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `len` [INFO] [stdout] --> src/main.rs:32:8 [INFO] [stdout] | [INFO] [stdout] 32 | fn len(&self) -> u32 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `stringify` [INFO] [stdout] --> src/main.rs:40:8 [INFO] [stdout] | [INFO] [stdout] 40 | fn stringify(&self) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `writer` [INFO] [stdout] --> src/main.rs:66:9 [INFO] [stdout] | [INFO] [stdout] 66 | let mut writer = stdout(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:66:9 [INFO] [stdout] | [INFO] [stdout] 66 | let mut writer = stdout(); [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: constant is never used: `BUFFER_SIZE` [INFO] [stdout] --> src/main.rs:16:1 [INFO] [stdout] | [INFO] [stdout] 16 | const BUFFER_SIZE: usize = 2048; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `List` [INFO] [stdout] --> src/main.rs:18:6 [INFO] [stdout] | [INFO] [stdout] 18 | enum List { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/main.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | fn new() -> List { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `prepend` [INFO] [stdout] --> src/main.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 28 | fn prepend(self, elem: u32) -> List{ [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `len` [INFO] [stdout] --> src/main.rs:32:8 [INFO] [stdout] | [INFO] [stdout] 32 | fn len(&self) -> u32 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `stringify` [INFO] [stdout] --> src/main.rs:40:8 [INFO] [stdout] | [INFO] [stdout] 40 | fn stringify(&self) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.56s [INFO] running `Command { std: "docker" "inspect" "bb0c39683643b573a2f7c3f1e341f3b371b2753e4961b44b9520c84c52d9d7ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bb0c39683643b573a2f7c3f1e341f3b371b2753e4961b44b9520c84c52d9d7ad", kill_on_drop: false }` [INFO] [stdout] bb0c39683643b573a2f7c3f1e341f3b371b2753e4961b44b9520c84c52d9d7ad