[INFO] cloning repository https://github.com/BearOve/auto-check-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BearOve/auto-check-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBearOve%2Fauto-check-rs"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBearOve%2Fauto-check-rs'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 50bc6bbe71aab2eec3c0923ace6ebc20e19fee6d
[INFO] checking BearOve/auto-check-rs against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBearOve%2Fauto-check-rs" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BearOve/auto-check-rs on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/BearOve/auto-check-rs
[INFO] finished tweaking git repo https://github.com/BearOve/auto-check-rs
[INFO] tweaked toml for git repo https://github.com/BearOve/auto-check-rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/BearOve/auto-check-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 9742b0978da8ae1fa68071ab8d822e66ddedec95eb22c97c61ecaaa8ef71822b
[INFO] running `"docker" "start" "-a" "9742b0978da8ae1fa68071ab8d822e66ddedec95eb22c97c61ecaaa8ef71822b"`
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]     Checking filetime v0.2.4
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking globset v0.4.2
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking ignore v0.4.6
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking pretty_env_logger v0.2.5
[INFO] [stderr]     Checking notify v4.0.9
[INFO] [stderr]    Compiling serde_derive v1.0.87
[INFO] [stderr]     Checking docopt v1.0.2
[INFO] [stderr]     Checking auto-check-rs v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:197:17
[INFO] [stderr]     |
[INFO] [stderr] 197 |             let mut run_commands;
[INFO] [stderr]     |                 ----^^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/main.rs:1:9
[INFO] [stderr]     |
[INFO] [stderr] 1   | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: `#[deny(unused_mut)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `auto-check-rs`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:197:17
[INFO] [stderr]     |
[INFO] [stderr] 197 |             let mut run_commands;
[INFO] [stderr]     |                 ----^^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/main.rs:1:9
[INFO] [stderr]     |
[INFO] [stderr] 1   | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: `#[deny(unused_mut)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `auto-check-rs`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "9742b0978da8ae1fa68071ab8d822e66ddedec95eb22c97c61ecaaa8ef71822b"`
[INFO] running `"docker" "rm" "-f" "9742b0978da8ae1fa68071ab8d822e66ddedec95eb22c97c61ecaaa8ef71822b"`
[INFO] [stdout] 9742b0978da8ae1fa68071ab8d822e66ddedec95eb22c97c61ecaaa8ef71822b