[INFO] fetching crate kern 1.4.0...
[INFO] testing kern-1.4.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate kern 1.4.0 into /workspace/builds/worker-83/source
[INFO] validating manifest of crates.io crate kern 1.4.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-83/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-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 288ff690cd5a5b5118570df45dd5c23fd3c42643f83caafd89e1a69aa7ac92b0
[INFO] running `Command { std: "docker" "start" "-a" "288ff690cd5a5b5118570df45dd5c23fd3c42643f83caafd89e1a69aa7ac92b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "288ff690cd5a5b5118570df45dd5c23fd3c42643f83caafd89e1a69aa7ac92b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "288ff690cd5a5b5118570df45dd5c23fd3c42643f83caafd89e1a69aa7ac92b0", kill_on_drop: false }`
[INFO] [stdout] 288ff690cd5a5b5118570df45dd5c23fd3c42643f83caafd89e1a69aa7ac92b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5076996615a9b7c3ca162c28dd9309a6bbc837059c17c66ad1815e8c1d378e64
[INFO] running `Command { std: "docker" "start" "-a" "5076996615a9b7c3ca162c28dd9309a6bbc837059c17c66ad1815e8c1d378e64", kill_on_drop: false }`
[INFO] [stderr]    Compiling kern v1.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.42s
[INFO] running `Command { std: "docker" "inspect" "5076996615a9b7c3ca162c28dd9309a6bbc837059c17c66ad1815e8c1d378e64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5076996615a9b7c3ca162c28dd9309a6bbc837059c17c66ad1815e8c1d378e64", kill_on_drop: false }`
[INFO] [stdout] 5076996615a9b7c3ca162c28dd9309a6bbc837059c17c66ad1815e8c1d378e64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 501b58c28f751de5540c498bc5625f067b7e94c96017fd264e2d80eb330e82fd
[INFO] running `Command { std: "docker" "start" "-a" "501b58c28f751de5540c498bc5625f067b7e94c96017fd264e2d80eb330e82fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling kern v1.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.59s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/kern-3d4925c492dada1e)
[INFO] [stderr]   Executable tests/byte.rs (/opt/rustwide/target/debug/deps/byte-1340853630efbce8)
[INFO] [stderr]   Executable tests/cli.rs (/opt/rustwide/target/debug/deps/cli-9efd4ec0093bd863)
[INFO] [stderr]   Executable tests/conf.rs (/opt/rustwide/target/debug/deps/conf-74489ddc3d1ade52)
[INFO] [stderr]   Executable tests/error.rs (/opt/rustwide/target/debug/deps/error-b304e8965db548c2)
[INFO] [stderr]   Executable tests/meta.rs (/opt/rustwide/target/debug/deps/meta-b49bc0a80352a582)
[INFO] running `Command { std: "docker" "inspect" "501b58c28f751de5540c498bc5625f067b7e94c96017fd264e2d80eb330e82fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "501b58c28f751de5540c498bc5625f067b7e94c96017fd264e2d80eb330e82fd", kill_on_drop: false }`
[INFO] [stdout] 501b58c28f751de5540c498bc5625f067b7e94c96017fd264e2d80eb330e82fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2b0d892e294085afc0ad77f0b52e236fa1870e9357599f4926195578d5a25c48
[INFO] running `Command { std: "docker" "start" "-a" "2b0d892e294085afc0ad77f0b52e236fa1870e9357599f4926195578d5a25c48", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/kern-3d4925c492dada1e)
[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] [stderr]      Running tests/byte.rs (/opt/rustwide/target/debug/deps/byte-1340853630efbce8)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running tests/cli.rs (/opt/rustwide/target/debug/deps/cli-9efd4ec0093bd863)
[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] [stderr]      Running tests/conf.rs (/opt/rustwide/target/debug/deps/conf-74489ddc3d1ade52)
[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 config ... ok
[INFO] [stdout] test read ... ok
[INFO] [stderr]      Running tests/error.rs (/opt/rustwide/target/debug/deps/error-b304e8965db548c2)
[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] [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_name ... ok
[INFO] [stderr]    Doc-tests kern
[INFO] [stdout] test test_version ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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 1.25s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2b0d892e294085afc0ad77f0b52e236fa1870e9357599f4926195578d5a25c48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b0d892e294085afc0ad77f0b52e236fa1870e9357599f4926195578d5a25c48", kill_on_drop: false }`
[INFO] [stdout] 2b0d892e294085afc0ad77f0b52e236fa1870e9357599f4926195578d5a25c48