[INFO] cloning repository https://github.com/xiongxin/simplest_mediadata
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xiongxin/simplest_mediadata" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiongxin%2Fsimplest_mediadata", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiongxin%2Fsimplest_mediadata'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e5f89c8cd650c844c72e9a4544e80d60086329c8
[INFO] checking xiongxin/simplest_mediadata against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiongxin%2Fsimplest_mediadata" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xiongxin/simplest_mediadata on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xiongxin/simplest_mediadata
[INFO] finished tweaking git repo https://github.com/xiongxin/simplest_mediadata
[INFO] tweaked toml for git repo https://github.com/xiongxin/simplest_mediadata written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/xiongxin/simplest_mediadata already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b9d27b6a22c701c3b607d1ff4d998751b37112dee150b6be1ad48eef2fae089
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5b9d27b6a22c701c3b607d1ff4d998751b37112dee150b6be1ad48eef2fae089", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b9d27b6a22c701c3b607d1ff4d998751b37112dee150b6be1ad48eef2fae089", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b9d27b6a22c701c3b607d1ff4d998751b37112dee150b6be1ad48eef2fae089", kill_on_drop: false }`
[INFO] [stdout] 5b9d27b6a22c701c3b607d1ff4d998751b37112dee150b6be1ad48eef2fae089
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56106488fd6d20132bbfecd5f5d220ee443b6891f264bd89578214b7e01f9f1c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "56106488fd6d20132bbfecd5f5d220ee443b6891f264bd89578214b7e01f9f1c", kill_on_drop: false }`
[INFO] [stderr]     Checking simplest_mediadata v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `simple_yuv444_split`
[INFO] [stdout]  --> src/begin/rgbyuv.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn simple_yuv444_split<P: AsRef<Path>>(
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "56106488fd6d20132bbfecd5f5d220ee443b6891f264bd89578214b7e01f9f1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56106488fd6d20132bbfecd5f5d220ee443b6891f264bd89578214b7e01f9f1c", kill_on_drop: false }`
[INFO] [stdout] 56106488fd6d20132bbfecd5f5d220ee443b6891f264bd89578214b7e01f9f1c