[INFO] updating cached repository https://github.com/ToferC/rust-roguelike
[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] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e25a2a2bae3fde36fd7990ff0d6175939c4a9584
[INFO] checking ToferC/rust-roguelike against master#73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de for pr-68325
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FToferC%2Frust-roguelike" "/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/ToferC/rust-roguelike on toolchain 73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ToferC/rust-roguelike
[INFO] finished tweaking git repo https://github.com/ToferC/rust-roguelike
[INFO] tweaked toml for git repo https://github.com/ToferC/rust-roguelike written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/ToferC/rust-roguelike already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: dependency (serde) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: unused manifest key: dependencies.serde.verision
[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" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "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] e92c2cd6df89330a2ad97d6c1006827bb3201474fb6617b8e0f3704e65876b27
[INFO] running `"docker" "start" "-a" "e92c2cd6df89330a2ad97d6c1006827bb3201474fb6617b8e0f3704e65876b27"`
[INFO] [stderr] warning: dependency (serde) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: unused manifest key: dependencies.serde.verision
[INFO] [stderr]    Compiling cpal v0.10.0
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]     Checking bitflags v0.1.1
[INFO] [stderr]    Compiling minimp3-sys v0.3.1
[INFO] [stderr]    Compiling tcod-sys v5.0.1
[INFO] [stderr]     Checking backtrace-sys v0.1.32
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]     Checking alsa-sys v0.1.2
[INFO] [stderr]     Checking slice-deque v0.2.4
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking minimp3 v0.3.3
[INFO] [stderr]     Checking rodio v0.10.0
[INFO] [stderr]     Checking tcod v0.15.0
[INFO] [stderr]     Checking roguelike v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/main.rs:1319:17
[INFO] [stderr]      |
[INFO] [stderr] 1319 |             let mut monster = match choice {
[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: variable does not need to be mutable
[INFO] [stderr]     --> src/main.rs:1319:17
[INFO] [stderr]      |
[INFO] [stderr] 1319 |             let mut monster = match choice {
[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]     Finished dev [unoptimized + debuginfo] target(s) in 24.41s
[INFO] running `"docker" "inspect" "e92c2cd6df89330a2ad97d6c1006827bb3201474fb6617b8e0f3704e65876b27"`
[INFO] running `"docker" "rm" "-f" "e92c2cd6df89330a2ad97d6c1006827bb3201474fb6617b8e0f3704e65876b27"`
[INFO] [stdout] e92c2cd6df89330a2ad97d6c1006827bb3201474fb6617b8e0f3704e65876b27