[INFO] cloning repository https://github.com/mxhold/markov_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mxhold/markov_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmxhold%2Fmarkov_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmxhold%2Fmarkov_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9d14f00e77a44a01c7fcb88257c01477c7108767
[INFO] checking mxhold/markov_rs against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmxhold%2Fmarkov_rs" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mxhold/markov_rs on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mxhold/markov_rs
[INFO] finished tweaking git repo https://github.com/mxhold/markov_rs
[INFO] tweaked toml for git repo https://github.com/mxhold/markov_rs written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/mxhold/markov_rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9862cd8f635e5669ddfbd533fbdfe68144db5eee00a2d0917cbf245319767d45
[INFO] running `Command { std: "docker" "start" "-a" "9862cd8f635e5669ddfbd533fbdfe68144db5eee00a2d0917cbf245319767d45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9862cd8f635e5669ddfbd533fbdfe68144db5eee00a2d0917cbf245319767d45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9862cd8f635e5669ddfbd533fbdfe68144db5eee00a2d0917cbf245319767d45", kill_on_drop: false }`
[INFO] [stdout] 9862cd8f635e5669ddfbd533fbdfe68144db5eee00a2d0917cbf245319767d45
[INFO] running `Command { std: "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" "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" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ca5b3d9dd1fb9d2e290dfc9caf62316c982e2e9883e9d0cf321cf026a5a37bb
[INFO] running `Command { std: "docker" "start" "-a" "6ca5b3d9dd1fb9d2e290dfc9caf62316c982e2e9883e9d0cf321cf026a5a37bb", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.9
[INFO] [stderr]     Checking rand v0.3.14
[INFO] [stderr]     Checking markov_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `seed`
[INFO] [stdout]   --> src/main.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn seed(&mut self, seed: [u32; 4]) -> &mut MarkovChainTable {
[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 1.20s
[INFO] running `Command { std: "docker" "inspect" "6ca5b3d9dd1fb9d2e290dfc9caf62316c982e2e9883e9d0cf321cf026a5a37bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ca5b3d9dd1fb9d2e290dfc9caf62316c982e2e9883e9d0cf321cf026a5a37bb", kill_on_drop: false }`
[INFO] [stdout] 6ca5b3d9dd1fb9d2e290dfc9caf62316c982e2e9883e9d0cf321cf026a5a37bb