[INFO] cloning repository https://github.com/mbrubeck/reverse_complement
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mbrubeck/reverse_complement" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbrubeck%2Freverse_complement", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbrubeck%2Freverse_complement'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 06f0e481290a1cd3c27e39d6ff5d347c23e3100d
[INFO] testing mbrubeck/reverse_complement against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbrubeck%2Freverse_complement" "/workspace/builds/worker-56/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-56/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mbrubeck/reverse_complement 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/mbrubeck/reverse_complement
[INFO] finished tweaking git repo https://github.com/mbrubeck/reverse_complement
[INFO] tweaked toml for git repo https://github.com/mbrubeck/reverse_complement written to /workspace/builds/worker-56/source/Cargo.toml
[INFO] crate git repo https://github.com/mbrubeck/reverse_complement 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] 7bd76ef6ef5348477001f6be01ebe292ff029d886ba5871d45d720d206334310
[INFO] running `Command { std: "docker" "start" "-a" "7bd76ef6ef5348477001f6be01ebe292ff029d886ba5871d45d720d206334310", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bd76ef6ef5348477001f6be01ebe292ff029d886ba5871d45d720d206334310", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bd76ef6ef5348477001f6be01ebe292ff029d886ba5871d45d720d206334310", kill_on_drop: false }`
[INFO] [stdout] 7bd76ef6ef5348477001f6be01ebe292ff029d886ba5871d45d720d206334310
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] ae7eb42656b0fecaefad3cd93664c12ff9504186ee119c4d60a7bf68c6f23ddd
[INFO] running `Command { std: "docker" "start" "-a" "ae7eb42656b0fecaefad3cd93664c12ff9504186ee119c4d60a7bf68c6f23ddd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.20
[INFO] [stderr]    Compiling crossbeam v0.2.10
[INFO] [stderr]    Compiling num_cpus v1.2.1
[INFO] [stderr]    Compiling reverse_complement v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `Command { std: "docker" "inspect" "ae7eb42656b0fecaefad3cd93664c12ff9504186ee119c4d60a7bf68c6f23ddd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae7eb42656b0fecaefad3cd93664c12ff9504186ee119c4d60a7bf68c6f23ddd", kill_on_drop: false }`
[INFO] [stdout] ae7eb42656b0fecaefad3cd93664c12ff9504186ee119c4d60a7bf68c6f23ddd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] bc7ff0004e624d0d07061a6ba6c5d8c2a8c379382e0a8ab673092a179d6d1544
[INFO] running `Command { std: "docker" "start" "-a" "bc7ff0004e624d0d07061a6ba6c5d8c2a8c379382e0a8ab673092a179d6d1544", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling reverse_complement v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.39s
[INFO] running `Command { std: "docker" "inspect" "bc7ff0004e624d0d07061a6ba6c5d8c2a8c379382e0a8ab673092a179d6d1544", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc7ff0004e624d0d07061a6ba6c5d8c2a8c379382e0a8ab673092a179d6d1544", kill_on_drop: false }`
[INFO] [stdout] bc7ff0004e624d0d07061a6ba6c5d8c2a8c379382e0a8ab673092a179d6d1544
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] 99564d2f241fa66b166c8ac2f4588b03566bebfd3b6dee499d26b485d2ea8727
[INFO] running `Command { std: "docker" "start" "-a" "99564d2f241fa66b166c8ac2f4588b03566bebfd3b6dee499d26b485d2ea8727", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.31s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/reverse_complement-7af84aeb85d7fcf0)
[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" "99564d2f241fa66b166c8ac2f4588b03566bebfd3b6dee499d26b485d2ea8727", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99564d2f241fa66b166c8ac2f4588b03566bebfd3b6dee499d26b485d2ea8727", kill_on_drop: false }`
[INFO] [stdout] 99564d2f241fa66b166c8ac2f4588b03566bebfd3b6dee499d26b485d2ea8727