[INFO] fetching crate wingchain 0.1.0...
[INFO] testing wingchain-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate wingchain 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate wingchain 0.1.0 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 wingchain 0.1.0
[INFO] finished tweaking crates.io crate wingchain 0.1.0
[INFO] tweaked toml for crates.io crate wingchain 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate wingchain 0.1.0 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 2b9b6b4086e35ff439b82ac33e66fd9d8f6515f3eb8fb8bfb1fd3f1ee0a15f90
[INFO] running `Command { std: "docker" "start" "-a" "2b9b6b4086e35ff439b82ac33e66fd9d8f6515f3eb8fb8bfb1fd3f1ee0a15f90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b9b6b4086e35ff439b82ac33e66fd9d8f6515f3eb8fb8bfb1fd3f1ee0a15f90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b9b6b4086e35ff439b82ac33e66fd9d8f6515f3eb8fb8bfb1fd3f1ee0a15f90", kill_on_drop: false }`
[INFO] [stdout] 2b9b6b4086e35ff439b82ac33e66fd9d8f6515f3eb8fb8bfb1fd3f1ee0a15f90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] a4d860a2798a0797c4e233750460200e0e3b98bd62b2afbd2c25323bac5bdb5c
[INFO] running `Command { std: "docker" "start" "-a" "a4d860a2798a0797c4e233750460200e0e3b98bd62b2afbd2c25323bac5bdb5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling wingchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "a4d860a2798a0797c4e233750460200e0e3b98bd62b2afbd2c25323bac5bdb5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4d860a2798a0797c4e233750460200e0e3b98bd62b2afbd2c25323bac5bdb5c", kill_on_drop: false }`
[INFO] [stdout] a4d860a2798a0797c4e233750460200e0e3b98bd62b2afbd2c25323bac5bdb5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 4781c9a26523d099ecdbf342ffc427fb9ddb7d4164be617f6dbb4a1379d2231f
[INFO] running `Command { std: "docker" "start" "-a" "4781c9a26523d099ecdbf342ffc427fb9ddb7d4164be617f6dbb4a1379d2231f", kill_on_drop: false }`
[INFO] [stderr]    Compiling wingchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "4781c9a26523d099ecdbf342ffc427fb9ddb7d4164be617f6dbb4a1379d2231f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4781c9a26523d099ecdbf342ffc427fb9ddb7d4164be617f6dbb4a1379d2231f", kill_on_drop: false }`
[INFO] [stdout] 4781c9a26523d099ecdbf342ffc427fb9ddb7d4164be617f6dbb4a1379d2231f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 5fef3a4e4df7a67d113a4efce23a691aed2a666c80d7197f74f0db5678c9dab1
[INFO] running `Command { std: "docker" "start" "-a" "5fef3a4e4df7a67d113a4efce23a691aed2a666c80d7197f74f0db5678c9dab1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/wingchain-012332202523f429)
[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" "5fef3a4e4df7a67d113a4efce23a691aed2a666c80d7197f74f0db5678c9dab1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fef3a4e4df7a67d113a4efce23a691aed2a666c80d7197f74f0db5678c9dab1", kill_on_drop: false }`
[INFO] [stdout] 5fef3a4e4df7a67d113a4efce23a691aed2a666c80d7197f74f0db5678c9dab1