[INFO] cloning repository https://github.com/burtgulash/rotrie
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/burtgulash/rotrie" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fburtgulash%2Frotrie", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fburtgulash%2Frotrie'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f198ccdbd0ee7efb0f5ed6f30e38cdfb34591499
[INFO] testing burtgulash/rotrie against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fburtgulash%2Frotrie" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/burtgulash/rotrie 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/burtgulash/rotrie
[INFO] finished tweaking git repo https://github.com/burtgulash/rotrie
[INFO] tweaked toml for git repo https://github.com/burtgulash/rotrie written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/burtgulash/rotrie 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 8394c1afdb8e3ea56c7697e3f5c0de9b0dde6cfcae5eafaefad51d8f581c49e0
[INFO] running `Command { std: "docker" "start" "-a" "8394c1afdb8e3ea56c7697e3f5c0de9b0dde6cfcae5eafaefad51d8f581c49e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8394c1afdb8e3ea56c7697e3f5c0de9b0dde6cfcae5eafaefad51d8f581c49e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8394c1afdb8e3ea56c7697e3f5c0de9b0dde6cfcae5eafaefad51d8f581c49e0", kill_on_drop: false }`
[INFO] [stdout] 8394c1afdb8e3ea56c7697e3f5c0de9b0dde6cfcae5eafaefad51d8f581c49e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] adb40e98d920dd4f9081cbac183e11740a254f7a3c913595025143dcae1a9e0f
[INFO] running `Command { std: "docker" "start" "-a" "adb40e98d920dd4f9081cbac183e11740a254f7a3c913595025143dcae1a9e0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling comtrie v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `bs2x`
[INFO] [stdout]    --> src/main.rs:329:4
[INFO] [stdout]     |
[INFO] [stdout] 329 | fn bs2x(bs: &[u8]) -> u32 {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bs2u32`
[INFO] [stdout]    --> src/main.rs:334:4
[INFO] [stdout]     |
[INFO] [stdout] 334 | fn bs2u32(n: usize, bs: &[u8]) -> &[u32] {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bs2str`
[INFO] [stdout]    --> src/main.rs:446:4
[INFO] [stdout]     |
[INFO] [stdout] 446 | fn bs2str(bs: &[u8]) -> String {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.59s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "adb40e98d920dd4f9081cbac183e11740a254f7a3c913595025143dcae1a9e0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adb40e98d920dd4f9081cbac183e11740a254f7a3c913595025143dcae1a9e0f", kill_on_drop: false }`
[INFO] [stdout] adb40e98d920dd4f9081cbac183e11740a254f7a3c913595025143dcae1a9e0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 1ff680c5ddf21707a36ceb89feac1d8c3e0cb0fc0ef451289724bb4ebf43c97c
[INFO] running `Command { std: "docker" "start" "-a" "1ff680c5ddf21707a36ceb89feac1d8c3e0cb0fc0ef451289724bb4ebf43c97c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling comtrie v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `bs2x`
[INFO] [stdout]    --> src/main.rs:329:4
[INFO] [stdout]     |
[INFO] [stdout] 329 | fn bs2x(bs: &[u8]) -> u32 {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bs2u32`
[INFO] [stdout]    --> src/main.rs:334:4
[INFO] [stdout]     |
[INFO] [stdout] 334 | fn bs2u32(n: usize, bs: &[u8]) -> &[u32] {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bs2str`
[INFO] [stdout]    --> src/main.rs:446:4
[INFO] [stdout]     |
[INFO] [stdout] 446 | fn bs2str(bs: &[u8]) -> String {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "1ff680c5ddf21707a36ceb89feac1d8c3e0cb0fc0ef451289724bb4ebf43c97c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ff680c5ddf21707a36ceb89feac1d8c3e0cb0fc0ef451289724bb4ebf43c97c", kill_on_drop: false }`
[INFO] [stdout] 1ff680c5ddf21707a36ceb89feac1d8c3e0cb0fc0ef451289724bb4ebf43c97c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] cda0bb3c459888dc330204ed3c8e8d6f7d9d438bb28d7729597ddf4bff71827b
[INFO] running `Command { std: "docker" "start" "-a" "cda0bb3c459888dc330204ed3c8e8d6f7d9d438bb28d7729597ddf4bff71827b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: function is never used: `bs2x`
[INFO] [stderr]    --> src/main.rs:329:4
[INFO] [stderr]     |
[INFO] [stderr] 329 | fn bs2x(bs: &[u8]) -> u32 {
[INFO] [stderr]     |    ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `bs2u32`
[INFO] [stderr]    --> src/main.rs:334:4
[INFO] [stderr]     |
[INFO] [stderr] 334 | fn bs2u32(n: usize, bs: &[u8]) -> &[u32] {
[INFO] [stderr]     |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `bs2str`
[INFO] [stderr]    --> src/main.rs:446:4
[INFO] [stderr]     |
[INFO] [stderr] 446 | fn bs2str(bs: &[u8]) -> String {
[INFO] [stderr]     |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `comtrie` (bin "comtrie" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/comtrie-7757350af40b9b09)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cda0bb3c459888dc330204ed3c8e8d6f7d9d438bb28d7729597ddf4bff71827b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cda0bb3c459888dc330204ed3c8e8d6f7d9d438bb28d7729597ddf4bff71827b", kill_on_drop: false }`
[INFO] [stdout] cda0bb3c459888dc330204ed3c8e8d6f7d9d438bb28d7729597ddf4bff71827b