[INFO] cloning repository https://github.com/DenialAdams/prng_shootout
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DenialAdams/prng_shootout" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDenialAdams%2Fprng_shootout", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDenialAdams%2Fprng_shootout'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 621c5a1f2d974defeee19881486acbe9aec81761
[INFO] testing DenialAdams/prng_shootout against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDenialAdams%2Fprng_shootout" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DenialAdams/prng_shootout on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DenialAdams/prng_shootout
[INFO] finished tweaking git repo https://github.com/DenialAdams/prng_shootout
[INFO] tweaked toml for git repo https://github.com/DenialAdams/prng_shootout written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/DenialAdams/prng_shootout already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d082a328654dc45dfe239b4d6610bf245f662c3c02ca85e942ff42318f325b4
[INFO] running `Command { std: "docker" "start" "-a" "4d082a328654dc45dfe239b4d6610bf245f662c3c02ca85e942ff42318f325b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d082a328654dc45dfe239b4d6610bf245f662c3c02ca85e942ff42318f325b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d082a328654dc45dfe239b4d6610bf245f662c3c02ca85e942ff42318f325b4", kill_on_drop: false }`
[INFO] [stdout] 4d082a328654dc45dfe239b4d6610bf245f662c3c02ca85e942ff42318f325b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac87d7e583cbd97f0436ed0672aa58f4d3a6c6c62476522eb7b7352597b0cd3d
[INFO] running `Command { std: "docker" "start" "-a" "ac87d7e583cbd97f0436ed0672aa58f4d3a6c6c62476522eb7b7352597b0cd3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling prng_shootout v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `dilbert`
[INFO] [stdout]  --> src/main.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn dilbert() -> u64 {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ac87d7e583cbd97f0436ed0672aa58f4d3a6c6c62476522eb7b7352597b0cd3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac87d7e583cbd97f0436ed0672aa58f4d3a6c6c62476522eb7b7352597b0cd3d", kill_on_drop: false }`
[INFO] [stdout] ac87d7e583cbd97f0436ed0672aa58f4d3a6c6c62476522eb7b7352597b0cd3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b44a4251173268b16c0beaa1b5609e6984b5b25ca5f595ced09bb0566117be92
[INFO] running `Command { std: "docker" "start" "-a" "b44a4251173268b16c0beaa1b5609e6984b5b25ca5f595ced09bb0566117be92", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling prng_shootout v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `dilbert`
[INFO] [stdout]  --> src/main.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn dilbert() -> u64 {
[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 test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "b44a4251173268b16c0beaa1b5609e6984b5b25ca5f595ced09bb0566117be92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b44a4251173268b16c0beaa1b5609e6984b5b25ca5f595ced09bb0566117be92", kill_on_drop: false }`
[INFO] [stdout] b44a4251173268b16c0beaa1b5609e6984b5b25ca5f595ced09bb0566117be92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4e3535de7210628520f84bdcbb81bd2af35e5b67138f9801b29f22b973b4bc47
[INFO] running `Command { std: "docker" "start" "-a" "4e3535de7210628520f84bdcbb81bd2af35e5b67138f9801b29f22b973b4bc47", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: function is never used: `dilbert`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:5:4
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 5 | fn dilbert() -> u64 {
[INFO] [stdout] 
[INFO] [stderr]   |    ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `prng_shootout` (bin "prng_shootout" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prng_shootout-31a7b81135fb9336)
[INFO] running `Command { std: "docker" "inspect" "4e3535de7210628520f84bdcbb81bd2af35e5b67138f9801b29f22b973b4bc47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e3535de7210628520f84bdcbb81bd2af35e5b67138f9801b29f22b973b4bc47", kill_on_drop: false }`
[INFO] [stdout] 4e3535de7210628520f84bdcbb81bd2af35e5b67138f9801b29f22b973b4bc47