[INFO] cloning repository https://github.com/Piripant/mine_viewer
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Piripant/mine_viewer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPiripant%2Fmine_viewer"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPiripant%2Fmine_viewer'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0166d36932bd49b5bfc2cba49f08375037180cfd
[INFO] checking Piripant/mine_viewer against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPiripant%2Fmine_viewer" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Piripant/mine_viewer on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Piripant/mine_viewer
[INFO] finished tweaking git repo https://github.com/Piripant/mine_viewer
[INFO] tweaked toml for git repo https://github.com/Piripant/mine_viewer written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/Piripant/mine_viewer already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] ae17224a6362c347c1db6479bdf5f8282d795ed18ed19a1b1ecbf8969e6c7d6c
[INFO] running `"docker" "start" "-a" "ae17224a6362c347c1db6479bdf5f8282d795ed18ed19a1b1ecbf8969e6c7d6c"`
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking flate2 v1.0.7
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.21.0
[INFO] [stderr]     Checking mine_viewer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/renderer.rs:39:32
[INFO] [stderr]    |
[INFO] [stderr] 39 |                     let (_, _, mut avg) = textures.get_texture(index);
[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: function is never used: `tint_height`
[INFO] [stderr]   --> src/renderer.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn tint_height(avg: &mut [u8; 3], height: u8) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/renderer.rs:39:32
[INFO] [stderr]    |
[INFO] [stderr] 39 |                     let (_, _, mut avg) = textures.get_texture(index);
[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: function is never used: `tint_height`
[INFO] [stderr]   --> src/renderer.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn tint_height(avg: &mut [u8; 3], height: u8) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.19s
[INFO] running `"docker" "inspect" "ae17224a6362c347c1db6479bdf5f8282d795ed18ed19a1b1ecbf8969e6c7d6c"`
[INFO] running `"docker" "rm" "-f" "ae17224a6362c347c1db6479bdf5f8282d795ed18ed19a1b1ecbf8969e6c7d6c"`
[INFO] [stdout] ae17224a6362c347c1db6479bdf5f8282d795ed18ed19a1b1ecbf8969e6c7d6c