[INFO] fetching crate wheelbuf 0.2.0...
[INFO] testing wheelbuf-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate wheelbuf 0.2.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate wheelbuf 0.2.0 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 wheelbuf 0.2.0
[INFO] finished tweaking crates.io crate wheelbuf 0.2.0
[INFO] tweaked toml for crates.io crate wheelbuf 0.2.0 written to /workspace/builds/worker-13/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] 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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 7ac79aa3dd360e092b55fcf5f8d6280d4a8f7882bc79218cce0a6e60ee03a693
[INFO] running `Command { std: "docker" "start" "-a" "7ac79aa3dd360e092b55fcf5f8d6280d4a8f7882bc79218cce0a6e60ee03a693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ac79aa3dd360e092b55fcf5f8d6280d4a8f7882bc79218cce0a6e60ee03a693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ac79aa3dd360e092b55fcf5f8d6280d4a8f7882bc79218cce0a6e60ee03a693", kill_on_drop: false }`
[INFO] [stdout] 7ac79aa3dd360e092b55fcf5f8d6280d4a8f7882bc79218cce0a6e60ee03a693
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 258affaf331a813bdf725c140e319cfd2de17a514420a9d404709b81d7777f31
[INFO] running `Command { std: "docker" "start" "-a" "258affaf331a813bdf725c140e319cfd2de17a514420a9d404709b81d7777f31", kill_on_drop: false }`
[INFO] [stderr]    Compiling wheelbuf v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "258affaf331a813bdf725c140e319cfd2de17a514420a9d404709b81d7777f31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "258affaf331a813bdf725c140e319cfd2de17a514420a9d404709b81d7777f31", kill_on_drop: false }`
[INFO] [stdout] 258affaf331a813bdf725c140e319cfd2de17a514420a9d404709b81d7777f31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 60d42bc0cc9d22ee40ccd63e39d7ba0e60110c1e91340f08b193c00082d7e18a
[INFO] running `Command { std: "docker" "start" "-a" "60d42bc0cc9d22ee40ccd63e39d7ba0e60110c1e91340f08b193c00082d7e18a", kill_on_drop: false }`
[INFO] [stderr]    Compiling wheelbuf v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "60d42bc0cc9d22ee40ccd63e39d7ba0e60110c1e91340f08b193c00082d7e18a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60d42bc0cc9d22ee40ccd63e39d7ba0e60110c1e91340f08b193c00082d7e18a", kill_on_drop: false }`
[INFO] [stdout] 60d42bc0cc9d22ee40ccd63e39d7ba0e60110c1e91340f08b193c00082d7e18a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] f16a3bd0da19ee1adfa72d476ef49ad9b9b68619b70b8e265423d587294ee6ac
[INFO] running `Command { std: "docker" "start" "-a" "f16a3bd0da19ee1adfa72d476ef49ad9b9b68619b70b8e265423d587294ee6ac", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/wheelbuf-706a964dd0178eb2)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::using_vec ... ok
[INFO] [stdout] test tests::nth ... ok
[INFO] [stdout] test tests::write ... ok
[INFO] [stdout] test tests::basics ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests wheelbuf
[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" "f16a3bd0da19ee1adfa72d476ef49ad9b9b68619b70b8e265423d587294ee6ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f16a3bd0da19ee1adfa72d476ef49ad9b9b68619b70b8e265423d587294ee6ac", kill_on_drop: false }`
[INFO] [stdout] f16a3bd0da19ee1adfa72d476ef49ad9b9b68619b70b8e265423d587294ee6ac