[INFO] fetching crate tapper 0.1.3...
[INFO] testing tapper-0.1.3 against 1.55.0 for beta-1.56-1
[INFO] extracting crate tapper 0.1.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate tapper 0.1.3 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 tapper 0.1.3
[INFO] finished tweaking crates.io crate tapper 0.1.3
[INFO] tweaked toml for crates.io crate tapper 0.1.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate tapper 0.1.3 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]  Downloading crates ...
[INFO] [stderr]   Downloaded testanything v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 6f33a5da94dcb8d586b93a0728dda2f3628e40b1cc8e3049b8ca1c93709a59db
[INFO] running `Command { std: "docker" "start" "-a" "6f33a5da94dcb8d586b93a0728dda2f3628e40b1cc8e3049b8ca1c93709a59db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f33a5da94dcb8d586b93a0728dda2f3628e40b1cc8e3049b8ca1c93709a59db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f33a5da94dcb8d586b93a0728dda2f3628e40b1cc8e3049b8ca1c93709a59db", kill_on_drop: false }`
[INFO] [stdout] 6f33a5da94dcb8d586b93a0728dda2f3628e40b1cc8e3049b8ca1c93709a59db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] f0c626d4c14a7423c6388bca3fd6cb65d3b1c8b9a2af807f1bffb365ac3985ed
[INFO] running `Command { std: "docker" "start" "-a" "f0c626d4c14a7423c6388bca3fd6cb65d3b1c8b9a2af807f1bffb365ac3985ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]    Compiling testanything v0.2.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling tapper v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.52s
[INFO] running `Command { std: "docker" "inspect" "f0c626d4c14a7423c6388bca3fd6cb65d3b1c8b9a2af807f1bffb365ac3985ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0c626d4c14a7423c6388bca3fd6cb65d3b1c8b9a2af807f1bffb365ac3985ed", kill_on_drop: false }`
[INFO] [stdout] f0c626d4c14a7423c6388bca3fd6cb65d3b1c8b9a2af807f1bffb365ac3985ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] ff3ca5c0d4d1d673af25748c929b26fc8fb9dae3a0937c9d5ab0d502b5af1ade
[INFO] running `Command { std: "docker" "start" "-a" "ff3ca5c0d4d1d673af25748c929b26fc8fb9dae3a0937c9d5ab0d502b5af1ade", kill_on_drop: false }`
[INFO] [stderr]    Compiling tapper v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "ff3ca5c0d4d1d673af25748c929b26fc8fb9dae3a0937c9d5ab0d502b5af1ade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff3ca5c0d4d1d673af25748c929b26fc8fb9dae3a0937c9d5ab0d502b5af1ade", kill_on_drop: false }`
[INFO] [stdout] ff3ca5c0d4d1d673af25748c929b26fc8fb9dae3a0937c9d5ab0d502b5af1ade
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 469908eac7d6b7fd8d47ce21c6aaf595b5ff7e29a2fcd7516cfbd895fc89975b
[INFO] running `Command { std: "docker" "start" "-a" "469908eac7d6b7fd8d47ce21c6aaf595b5ff7e29a2fcd7516cfbd895fc89975b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tapper-f2b15e54e8d3e118)
[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" "469908eac7d6b7fd8d47ce21c6aaf595b5ff7e29a2fcd7516cfbd895fc89975b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "469908eac7d6b7fd8d47ce21c6aaf595b5ff7e29a2fcd7516cfbd895fc89975b", kill_on_drop: false }`
[INFO] [stdout] 469908eac7d6b7fd8d47ce21c6aaf595b5ff7e29a2fcd7516cfbd895fc89975b