[INFO] fetching crate kern 1.4.0...
[INFO] testing kern-1.4.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate kern 1.4.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate kern 1.4.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kern 1.4.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate kern 1.4.0
[INFO] tweaked toml for crates.io crate kern 1.4.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate kern 1.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustls-pemfile v0.2.1
[INFO] [stderr]   Downloaded sct v0.7.0
[INFO] [stderr]   Downloaded webpki v0.22.0
[INFO] [stderr]   Downloaded js-sys v0.3.47
[INFO] [stderr]   Downloaded web-sys v0.3.47
[INFO] [stderr]   Downloaded rustls v0.20.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42807a4f8dffefe2847547492937755f3655dd4cc5cc3cc0e9496566b7d7a42e
[INFO] running `Command { std: "docker" "start" "-a" "42807a4f8dffefe2847547492937755f3655dd4cc5cc3cc0e9496566b7d7a42e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42807a4f8dffefe2847547492937755f3655dd4cc5cc3cc0e9496566b7d7a42e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42807a4f8dffefe2847547492937755f3655dd4cc5cc3cc0e9496566b7d7a42e", kill_on_drop: false }`
[INFO] [stdout] 42807a4f8dffefe2847547492937755f3655dd4cc5cc3cc0e9496566b7d7a42e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8080132dd698c2dd4297859abdb9d6b6ca4cdf6fb5c96c64f3d6a7d86cf1bf62
[INFO] running `Command { std: "docker" "start" "-a" "8080132dd698c2dd4297859abdb9d6b6ca4cdf6fb5c96c64f3d6a7d86cf1bf62", kill_on_drop: false }`
[INFO] [stderr]    Compiling kern v1.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "8080132dd698c2dd4297859abdb9d6b6ca4cdf6fb5c96c64f3d6a7d86cf1bf62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8080132dd698c2dd4297859abdb9d6b6ca4cdf6fb5c96c64f3d6a7d86cf1bf62", kill_on_drop: false }`
[INFO] [stdout] 8080132dd698c2dd4297859abdb9d6b6ca4cdf6fb5c96c64f3d6a7d86cf1bf62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52688fc7d6be69f677f8b6479ecd6df11b285821b33244e1b1d30caa58611f35
[INFO] running `Command { std: "docker" "start" "-a" "52688fc7d6be69f677f8b6479ecd6df11b285821b33244e1b1d30caa58611f35", kill_on_drop: false }`
[INFO] [stderr]    Compiling kern v1.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "52688fc7d6be69f677f8b6479ecd6df11b285821b33244e1b1d30caa58611f35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52688fc7d6be69f677f8b6479ecd6df11b285821b33244e1b1d30caa58611f35", kill_on_drop: false }`
[INFO] [stdout] 52688fc7d6be69f677f8b6479ecd6df11b285821b33244e1b1d30caa58611f35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1ede2468787b8a915ed66a22945a8f83b1dbcd0ad0ba50183ea972a5ef76944e
[INFO] running `Command { std: "docker" "start" "-a" "1ede2468787b8a915ed66a22945a8f83b1dbcd0ad0ba50183ea972a5ef76944e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/kern-3d4925c492dada1e)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/byte.rs (/opt/rustwide/target/debug/deps/byte-1340853630efbce8)
[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 tests/cli.rs (/opt/rustwide/target/debug/deps/cli-9efd4ec0093bd863)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_scan ... ok
[INFO] [stdout] test test_split ... ok
[INFO] [stdout] test test_splitn ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test command ... 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]      Running tests/conf.rs (/opt/rustwide/target/debug/deps/conf-74489ddc3d1ade52)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test config ... ok
[INFO] [stdout] test read ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/error.rs (/opt/rustwide/target/debug/deps/error-b304e8965db548c2)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/meta.rs (/opt/rustwide/target/debug/deps/meta-b49bc0a80352a582)
[INFO] [stdout] running 1 test
[INFO] [stdout] test fail ... 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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_version ... ok
[INFO] [stdout] test test_name ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests kern
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/error.rs - error::Fail (line 7) ... ok
[INFO] [stdout] test src/cli.rs - cli::CliBuilder (line 9) ... ok
[INFO] [stdout] test src/cli.rs - cli::Command (line 182) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1ede2468787b8a915ed66a22945a8f83b1dbcd0ad0ba50183ea972a5ef76944e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ede2468787b8a915ed66a22945a8f83b1dbcd0ad0ba50183ea972a5ef76944e", kill_on_drop: false }`
[INFO] [stdout] 1ede2468787b8a915ed66a22945a8f83b1dbcd0ad0ba50183ea972a5ef76944e