[INFO] fetching crate metrocoin 0.0.0...
[INFO] testing metrocoin-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate metrocoin 0.0.0 into /workspace/builds/worker-108/source
[INFO] validating manifest of crates.io crate metrocoin 0.0.0 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 crates.io crate metrocoin 0.0.0
[INFO] finished tweaking crates.io crate metrocoin 0.0.0
[INFO] tweaked toml for crates.io crate metrocoin 0.0.0 written to /workspace/builds/worker-108/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] 8b7b3e5e5f5206994a0fb486a644b4b4b5a3464b1bf17214753cd34bf40c0cfc
[INFO] running `Command { std: "docker" "start" "-a" "8b7b3e5e5f5206994a0fb486a644b4b4b5a3464b1bf17214753cd34bf40c0cfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b7b3e5e5f5206994a0fb486a644b4b4b5a3464b1bf17214753cd34bf40c0cfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b7b3e5e5f5206994a0fb486a644b4b4b5a3464b1bf17214753cd34bf40c0cfc", kill_on_drop: false }`
[INFO] [stdout] 8b7b3e5e5f5206994a0fb486a644b4b4b5a3464b1bf17214753cd34bf40c0cfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] 6abfcbf390442acf53b250e8e7a917c6e289ecacffdc659c32f312de1711a8bf
[INFO] running `Command { std: "docker" "start" "-a" "6abfcbf390442acf53b250e8e7a917c6e289ecacffdc659c32f312de1711a8bf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling metrocoin v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "6abfcbf390442acf53b250e8e7a917c6e289ecacffdc659c32f312de1711a8bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6abfcbf390442acf53b250e8e7a917c6e289ecacffdc659c32f312de1711a8bf", kill_on_drop: false }`
[INFO] [stdout] 6abfcbf390442acf53b250e8e7a917c6e289ecacffdc659c32f312de1711a8bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] e5278e63f3ba544924211a8bf72bfb0d05366055f2ab8bf7615ed0a867231cda
[INFO] running `Command { std: "docker" "start" "-a" "e5278e63f3ba544924211a8bf72bfb0d05366055f2ab8bf7615ed0a867231cda", kill_on_drop: false }`
[INFO] [stderr]    Compiling metrocoin v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "e5278e63f3ba544924211a8bf72bfb0d05366055f2ab8bf7615ed0a867231cda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5278e63f3ba544924211a8bf72bfb0d05366055f2ab8bf7615ed0a867231cda", kill_on_drop: false }`
[INFO] [stdout] e5278e63f3ba544924211a8bf72bfb0d05366055f2ab8bf7615ed0a867231cda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] 100407ad903ded62f61f90aa48523c7b2dc33fac14abce02536d9bc6c7db4fd4
[INFO] running `Command { std: "docker" "start" "-a" "100407ad903ded62f61f90aa48523c7b2dc33fac14abce02536d9bc6c7db4fd4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/metrocoin-27ba7221fdd83a73)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests metrocoin
[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" "100407ad903ded62f61f90aa48523c7b2dc33fac14abce02536d9bc6c7db4fd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "100407ad903ded62f61f90aa48523c7b2dc33fac14abce02536d9bc6c7db4fd4", kill_on_drop: false }`
[INFO] [stdout] 100407ad903ded62f61f90aa48523c7b2dc33fac14abce02536d9bc6c7db4fd4