[INFO] fetching crate recurse 0.3.0... [INFO] checking recurse-0.3.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] extracting crate recurse 0.3.0 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate recurse 0.3.0 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate recurse 0.3.0 [INFO] finished tweaking crates.io crate recurse 0.3.0 [INFO] tweaked toml for crates.io crate recurse 0.3.0 written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate crates.io crate recurse 0.3.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", 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] 5bc8026788a87d0714c77ebff072dae2873d578c75c0086110079ddb2bb4c9b7 [INFO] running `Command { std: "docker" "start" "-a" "5bc8026788a87d0714c77ebff072dae2873d578c75c0086110079ddb2bb4c9b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5bc8026788a87d0714c77ebff072dae2873d578c75c0086110079ddb2bb4c9b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5bc8026788a87d0714c77ebff072dae2873d578c75c0086110079ddb2bb4c9b7", kill_on_drop: false }` [INFO] [stdout] 5bc8026788a87d0714c77ebff072dae2873d578c75c0086110079ddb2bb4c9b7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9a013e86b1dd621e87349dfd7ab782f878d722b06d1158eeea494e73e149626b [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" "9a013e86b1dd621e87349dfd7ab782f878d722b06d1158eeea494e73e149626b", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.13 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling libc v0.2.70 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.22 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking predicates-core v1.0.0 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking normalize-line-endings v0.3.0 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking predicates-tree v1.0.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.2 [INFO] [stderr] Compiling proc-macro-error v1.0.2 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling quote v1.0.6 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking clap v2.33.1 [INFO] [stderr] Checking colored v1.9.3 [INFO] [stderr] Checking float-cmp v0.6.0 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Checking predicates v1.0.4 [INFO] [stderr] Checking assert_cmd v1.0.1 [INFO] [stderr] Compiling structopt-derive v0.4.8 [INFO] [stderr] Checking structopt v0.3.15 [INFO] [stderr] Checking recurse v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `OpenOptions`, `read_to_string` [INFO] [stdout] --> src/command/replace.rs:1:15 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fs::{read_to_string, OpenOptions}; [INFO] [stdout] | ^^^^^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BufWriter`, `ErrorKind` [INFO] [stdout] --> src/command/replace.rs:2:15 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::{BufWriter, ErrorKind, Write}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `anyhow` [INFO] [stdout] --> src/command/replace.rs:5:14 [INFO] [stdout] | [INFO] [stdout] 5 | use anyhow::{anyhow, Result}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `regex::Regex` [INFO] [stdout] --> src/command/replace.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use regex::Regex; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::ops::io::walk` [INFO] [stdout] --> src/command/replace.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use crate::ops::io::walk; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `path_has_extension`, `path_is_hidden` [INFO] [stdout] --> src/command/replace.rs:10:24 [INFO] [stdout] | [INFO] [stdout] 10 | use crate::ops::path::{path_has_extension, path_is_hidden}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `OpenOptions`, `read_to_string` [INFO] [stdout] --> src/command/replace.rs:1:15 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fs::{read_to_string, OpenOptions}; [INFO] [stdout] | ^^^^^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BufWriter`, `ErrorKind` [INFO] [stdout] --> src/command/replace.rs:2:15 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::{BufWriter, ErrorKind, Write}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `anyhow` [INFO] [stdout] --> src/command/replace.rs:5:14 [INFO] [stdout] | [INFO] [stdout] 5 | use anyhow::{anyhow, Result}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `regex::Regex` [INFO] [stdout] --> src/command/replace.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use regex::Regex; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::ops::io::walk` [INFO] [stdout] --> src/command/replace.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use crate::ops::io::walk; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `path_has_extension`, `path_is_hidden` [INFO] [stdout] --> src/command/replace.rs:10:24 [INFO] [stdout] | [INFO] [stdout] 10 | use crate::ops::path::{path_has_extension, path_is_hidden}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `subcmd` [INFO] [stdout] --> src/command/replace.rs:18:16 [INFO] [stdout] | [INFO] [stdout] 18 | fn execute(subcmd: Recurse, mut writer: impl Write) -> Result<()> { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_subcmd` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `writer` [INFO] [stdout] --> src/command/replace.rs:18:33 [INFO] [stdout] | [INFO] [stdout] 18 | fn execute(subcmd: Recurse, mut writer: impl Write) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `subcmd` [INFO] [stdout] --> src/command/replace.rs:18:16 [INFO] [stdout] | [INFO] [stdout] 18 | fn execute(subcmd: Recurse, mut writer: impl Write) -> Result<()> { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_subcmd` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `writer` [INFO] [stdout] --> src/command/replace.rs:18:33 [INFO] [stdout] | [INFO] [stdout] 18 | fn execute(subcmd: Recurse, mut writer: impl Write) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/command/replace.rs:18:33 [INFO] [stdout] | [INFO] [stdout] 18 | fn execute(subcmd: Recurse, mut writer: impl Write) -> Result<()> { [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: `BACKUP_FILEPATH_EXTENSION` [INFO] [stdout] --> src/command/replace.rs:13:1 [INFO] [stdout] | [INFO] [stdout] 13 | const BACKUP_FILEPATH_EXTENSION: &str = "bu"; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_backup_filepath` [INFO] [stdout] --> src/command/replace.rs:139:4 [INFO] [stdout] | [INFO] [stdout] 139 | fn get_backup_filepath(inpath: &Path) -> PathBuf { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `has_backup_extension` [INFO] [stdout] --> src/command/replace.rs:151:4 [INFO] [stdout] | [INFO] [stdout] 151 | fn has_backup_extension(inpath: &Path) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_root_filepath` [INFO] [stdout] --> src/command/replace.rs:158:4 [INFO] [stdout] | [INFO] [stdout] 158 | fn is_root_filepath(inpath: &Path) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/command/replace.rs:18:33 [INFO] [stdout] | [INFO] [stdout] 18 | fn execute(subcmd: Recurse, mut writer: impl Write) -> Result<()> { [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: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 37.47s [INFO] running `Command { std: "docker" "inspect" "9a013e86b1dd621e87349dfd7ab782f878d722b06d1158eeea494e73e149626b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9a013e86b1dd621e87349dfd7ab782f878d722b06d1158eeea494e73e149626b", kill_on_drop: false }` [INFO] [stdout] 9a013e86b1dd621e87349dfd7ab782f878d722b06d1158eeea494e73e149626b