[INFO] crate naru 0.2.2 is already in cache
[INFO] checking naru-0.2.2 against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] extracting crate naru 0.2.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate naru 0.2.2 on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate naru 0.2.2
[INFO] finished tweaking crates.io crate naru 0.2.2
[INFO] tweaked toml for crates.io crate naru 0.2.2 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate naru 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f7dfce7c3625e40537c5c7c12ec497c711964800d4e15a869ff0c5fa743d86d5
[INFO] running `"docker" "start" "-a" "f7dfce7c3625e40537c5c7c12ec497c711964800d4e15a869ff0c5fa743d86d5"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking serde v1.0.102
[INFO] [stderr]     Checking toml v0.5.5
[INFO] [stderr]     Checking naru v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:51:7
[INFO] [stderr]    |
[INFO] [stderr] 51 |   let mut selected = 0;
[INFO] [stderr]    |       ----^^^^^^^^
[INFO] [stderr]    |       |
[INFO] [stderr]    |       help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_fg`
[INFO] [stderr]    --> src/tty.rs:103:3
[INFO] [stderr]     |
[INFO] [stderr] 103 |   pub fn set_fg(&mut self, color: i32) -> io::Result<()> {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `putc`
[INFO] [stderr]    --> src/tty.rs:138:3
[INFO] [stderr]     |
[INFO] [stderr] 138 |   pub fn putc(&self, c: i32) {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:51:7
[INFO] [stderr]    |
[INFO] [stderr] 51 |   let mut selected = 0;
[INFO] [stderr]    |       ----^^^^^^^^
[INFO] [stderr]    |       |
[INFO] [stderr]    |       help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_fg`
[INFO] [stderr]    --> src/tty.rs:103:3
[INFO] [stderr]     |
[INFO] [stderr] 103 |   pub fn set_fg(&mut self, color: i32) -> io::Result<()> {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `putc`
[INFO] [stderr]    --> src/tty.rs:138:3
[INFO] [stderr]     |
[INFO] [stderr] 138 |   pub fn putc(&self, c: i32) {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.49s
[INFO] running `"docker" "inspect" "f7dfce7c3625e40537c5c7c12ec497c711964800d4e15a869ff0c5fa743d86d5"`
[INFO] running `"docker" "rm" "-f" "f7dfce7c3625e40537c5c7c12ec497c711964800d4e15a869ff0c5fa743d86d5"`
[INFO] [stdout] f7dfce7c3625e40537c5c7c12ec497c711964800d4e15a869ff0c5fa743d86d5