[INFO] updating cached repository https://github.com/fiburonsk/maze-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/fiburonsk/maze-rs
[INFO] [stderr]    85b988e..1b9c2fe  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1b9c2fef0fbf929129b9bfcd285995bee185c99d
[INFO] checking fiburonsk/maze-rs against master#eaa02f599f651246d5d1b99e7a4c6fa8d04bc9dc for pr-69560
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffiburonsk%2Fmaze-rs" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fiburonsk/maze-rs on toolchain eaa02f599f651246d5d1b99e7a4c6fa8d04bc9dc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+eaa02f599f651246d5d1b99e7a4c6fa8d04bc9dc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/fiburonsk/maze-rs
[INFO] finished tweaking git repo https://github.com/fiburonsk/maze-rs
[INFO] tweaked toml for git repo https://github.com/fiburonsk/maze-rs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/fiburonsk/maze-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+eaa02f599f651246d5d1b99e7a4c6fa8d04bc9dc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+eaa02f599f651246d5d1b99e7a4c6fa8d04bc9dc" "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] 8811728108e523037e9d4fa8dd80ab36a0c6d592d4045c1e3d69f78865213542
[INFO] running `"docker" "start" "-a" "8811728108e523037e9d4fa8dd80ab36a0c6d592d4045c1e3d69f78865213542"`
[INFO] [stderr]    Compiling argh_derive v0.1.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]     Checking image v0.22.5
[INFO] [stderr]     Checking argh v0.1.3
[INFO] [stderr]     Checking maze-rs v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: constant item is never used: `VERSION`
[INFO] [stderr]   --> src/main.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | const VERSION: &str = env!("CARGO_PKG_VERSION");
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `VERSION`
[INFO] [stderr]   --> src/main.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | const VERSION: &str = env!("CARGO_PKG_VERSION");
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.66s
[INFO] running `"docker" "inspect" "8811728108e523037e9d4fa8dd80ab36a0c6d592d4045c1e3d69f78865213542"`
[INFO] running `"docker" "rm" "-f" "8811728108e523037e9d4fa8dd80ab36a0c6d592d4045c1e3d69f78865213542"`
[INFO] [stdout] 8811728108e523037e9d4fa8dd80ab36a0c6d592d4045c1e3d69f78865213542