[INFO] cloning repository https://github.com/grunch/coin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/grunch/coin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrunch%2Fcoin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrunch%2Fcoin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] efb9168e69a5a153d8b3fdccae4a1c23b795c49a
[INFO] testing grunch/coin against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrunch%2Fcoin" "/workspace/builds/worker-21/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/grunch/coin 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/grunch/coin
[INFO] finished tweaking git repo https://github.com/grunch/coin
[INFO] tweaked toml for git repo https://github.com/grunch/coin written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate git repo https://github.com/grunch/coin 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crc8 v0.1.1
[INFO] [stderr]   Downloaded crc16 v0.4.0
[INFO] [stderr]   Downloaded sha3 v0.8.2
[INFO] [stderr]   Downloaded easy-hasher v2.2.1
[INFO] [stderr]   Downloaded md4 v0.8.0
[INFO] [stderr]   Downloaded md2 v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] d1fe0d1ec6d13ac97cee3bc54f9b20c6331679a361dfe267022324d78f44db69
[INFO] running `Command { std: "docker" "start" "-a" "d1fe0d1ec6d13ac97cee3bc54f9b20c6331679a361dfe267022324d78f44db69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1fe0d1ec6d13ac97cee3bc54f9b20c6331679a361dfe267022324d78f44db69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1fe0d1ec6d13ac97cee3bc54f9b20c6331679a361dfe267022324d78f44db69", kill_on_drop: false }`
[INFO] [stdout] d1fe0d1ec6d13ac97cee3bc54f9b20c6331679a361dfe267022324d78f44db69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 925eae32cb5e06d3b6d05fce9505b795398d1f2f5d2465c4248c9ad00cace674
[INFO] running `Command { std: "docker" "start" "-a" "925eae32cb5e06d3b6d05fce9505b795398d1f2f5d2465c4248c9ad00cace674", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling crc16 v0.4.0
[INFO] [stderr]    Compiling crc8 v0.1.1
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling sha3 v0.8.2
[INFO] [stderr]    Compiling md4 v0.8.0
[INFO] [stderr]    Compiling md2 v0.8.0
[INFO] [stderr]    Compiling easy-hasher v2.2.1
[INFO] [stderr]    Compiling coin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.98s
[INFO] running `Command { std: "docker" "inspect" "925eae32cb5e06d3b6d05fce9505b795398d1f2f5d2465c4248c9ad00cace674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "925eae32cb5e06d3b6d05fce9505b795398d1f2f5d2465c4248c9ad00cace674", kill_on_drop: false }`
[INFO] [stdout] 925eae32cb5e06d3b6d05fce9505b795398d1f2f5d2465c4248c9ad00cace674
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] ff6038e7c63f776ace211845800ceba4a49019209384403c489584b54ec9a259
[INFO] running `Command { std: "docker" "start" "-a" "ff6038e7c63f776ace211845800ceba4a49019209384403c489584b54ec9a259", kill_on_drop: false }`
[INFO] [stderr]    Compiling coin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "ff6038e7c63f776ace211845800ceba4a49019209384403c489584b54ec9a259", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff6038e7c63f776ace211845800ceba4a49019209384403c489584b54ec9a259", kill_on_drop: false }`
[INFO] [stdout] ff6038e7c63f776ace211845800ceba4a49019209384403c489584b54ec9a259
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] cfc1d1e5016f27077e068c32ee4869fdc1492d142dc46365b11405d23d0cbbd1
[INFO] running `Command { std: "docker" "start" "-a" "cfc1d1e5016f27077e068c32ee4869fdc1492d142dc46365b11405d23d0cbbd1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/coin-336446b3ce053769)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/coin-d17ac7d7d2319313)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests coin
[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] [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" "cfc1d1e5016f27077e068c32ee4869fdc1492d142dc46365b11405d23d0cbbd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfc1d1e5016f27077e068c32ee4869fdc1492d142dc46365b11405d23d0cbbd1", kill_on_drop: false }`
[INFO] [stdout] cfc1d1e5016f27077e068c32ee4869fdc1492d142dc46365b11405d23d0cbbd1