[INFO] fetching crate possible 0.1.0...
[INFO] testing possible-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate possible 0.1.0 into /workspace/builds/worker-87/source
[INFO] validating manifest of crates.io crate possible 0.1.0 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 possible 0.1.0
[INFO] finished tweaking crates.io crate possible 0.1.0
[INFO] tweaked toml for crates.io crate possible 0.1.0 written to /workspace/builds/worker-87/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] c7f5ba32fae7a1282dd5d629c29401a707238736211c4a27e5b97c9a0bd3245f
[INFO] running `Command { std: "docker" "start" "-a" "c7f5ba32fae7a1282dd5d629c29401a707238736211c4a27e5b97c9a0bd3245f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7f5ba32fae7a1282dd5d629c29401a707238736211c4a27e5b97c9a0bd3245f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7f5ba32fae7a1282dd5d629c29401a707238736211c4a27e5b97c9a0bd3245f", kill_on_drop: false }`
[INFO] [stdout] c7f5ba32fae7a1282dd5d629c29401a707238736211c4a27e5b97c9a0bd3245f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] ec1bee0cdf11873517e158298369a2ed5a7919d9c0e378452595fbe4e54ad60f
[INFO] running `Command { std: "docker" "start" "-a" "ec1bee0cdf11873517e158298369a2ed5a7919d9c0e378452595fbe4e54ad60f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling possible v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.52s
[INFO] running `Command { std: "docker" "inspect" "ec1bee0cdf11873517e158298369a2ed5a7919d9c0e378452595fbe4e54ad60f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec1bee0cdf11873517e158298369a2ed5a7919d9c0e378452595fbe4e54ad60f", kill_on_drop: false }`
[INFO] [stdout] ec1bee0cdf11873517e158298369a2ed5a7919d9c0e378452595fbe4e54ad60f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] 907665493b08e5df6c74a5790442f3d095f9b3a6edc646c1502da04b7876ebf4
[INFO] running `Command { std: "docker" "start" "-a" "907665493b08e5df6c74a5790442f3d095f9b3a6edc646c1502da04b7876ebf4", 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] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling ron v0.6.6
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling pretty_assertions v0.7.2
[INFO] [stderr]    Compiling serde_yaml v0.8.23
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling serde_qs v0.8.5
[INFO] [stderr]    Compiling possible v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.24s
[INFO] running `Command { std: "docker" "inspect" "907665493b08e5df6c74a5790442f3d095f9b3a6edc646c1502da04b7876ebf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "907665493b08e5df6c74a5790442f3d095f9b3a6edc646c1502da04b7876ebf4", kill_on_drop: false }`
[INFO] [stdout] 907665493b08e5df6c74a5790442f3d095f9b3a6edc646c1502da04b7876ebf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] 2234fced29445dd64e5a7931ce4747ae9258c2486cc53110973e8805f9a16e4a
[INFO] running `Command { std: "docker" "start" "-a" "2234fced29445dd64e5a7931ce4747ae9258c2486cc53110973e8805f9a16e4a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/possible-aea2c64677d99af6)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/serde_json.rs (/opt/rustwide/target/debug/deps/serde_json-53f07ebdbcbcb4d7)
[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] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test baseline_with_option::deserialization::with_option_missing ... ok
[INFO] [stdout] test baseline_with_option::deserialization::with_option_some ... ok
[INFO] [stdout] test baseline_with_option::serialization::with_option_none ... ok
[INFO] [stdout] test baseline_with_option::serialization::with_option_some ... ok
[INFO] [stdout] test baseline_with_option::deserialization::with_option_none ... ok
[INFO] [stdout] test with_possible::deserialization::with_no_field ... ok
[INFO] [stdout] test with_possible::deserialization::with_null_value ... ok
[INFO] [stdout] test with_possible::deserialization::with_some_value ... ok
[INFO] [stdout] test with_possible::serialization::with_no_field ... ok
[INFO] [stdout] test with_possible::serialization::with_null_value ... ok
[INFO] [stdout] test with_possible::serialization::with_some_value ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/serde_ron.rs (/opt/rustwide/target/debug/deps/serde_ron-a4df7c69dda2c5ab)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test baseline_with_option::deserialization::with_explicit_option_none ... ok
[INFO] [stdout] test baseline_with_option::deserialization::with_explicit_option_some ... ok
[INFO] [stdout] test baseline_with_option::deserialization::with_option_missing ... ok
[INFO] [stdout] test baseline_with_option::deserialization::with_implicit_option_some ... ok
[INFO] [stdout] test baseline_with_option::serialization::with_option_none ... ok
[INFO] [stdout] test baseline_with_option::serialization::with_option_some ... ok
[INFO] [stdout] test with_possible::deserialization::with_explicit_some_value ... ok
[INFO] [stdout] test with_possible::deserialization::with_implicit_some_value ... ok
[INFO] [stdout] test with_possible::deserialization::with_no_field ... ok
[INFO] [stdout] test with_possible::deserialization::with_null_value ... ok
[INFO] [stdout] test with_possible::serialization::with_no_field ... ok
[INFO] [stdout] test with_possible::serialization::with_null_value ... ok
[INFO] [stdout] test with_possible::serialization::with_some_value ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/serde_toml.rs (/opt/rustwide/target/debug/deps/serde_toml-767dcba53bb03604)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test baseline_with_option::deserialization::with_option_missing ... ok
[INFO] [stdout] test baseline_with_option::deserialization::with_option_some ... ok
[INFO] [stdout] test baseline_with_option::serialization::with_option_none ... ok
[INFO] [stdout] test baseline_with_option::serialization::with_option_some ... ok
[INFO] [stdout] test with_possible::deserialization::with_no_field ... ok
[INFO] [stdout] test with_possible::serialization::with_no_field ... ok
[INFO] [stdout] test with_possible::serialization::with_null_value ... ok
[INFO] [stdout] test with_possible::deserialization::with_some_value ... ok
[INFO] [stdout] test with_possible::serialization::with_some_value ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/serde_url.rs (/opt/rustwide/target/debug/deps/serde_url-92444553b68e4c44)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test with_possible::deserialization::with_no_field ... ok
[INFO] [stdout] test baseline_with_option::serialization::with_option_none ... ok
[INFO] [stdout] test baseline_with_option::deserialization::with_option_missing ... ok
[INFO] [stdout] test baseline_with_option::deserialization::with_option_none ... ok
[INFO] [stdout] test baseline_with_option::serialization::with_option_some ... ok
[INFO] [stdout] test baseline_with_option::deserialization::with_option_some ... ok
[INFO] [stdout] test with_possible::deserialization::with_null_value ... ok
[INFO] [stdout] test with_possible::deserialization::with_some_value ... ok
[INFO] [stdout] test with_possible::serialization::with_no_field ... ok
[INFO] [stdout] test with_possible::serialization::with_null_value ... ok
[INFO] [stdout] test with_possible::serialization::with_some_value ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/serde_yaml.rs (/opt/rustwide/target/debug/deps/serde_yaml-2139942073b4342a)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test baseline_with_option::deserialization::with_explicit_option_none ... ok
[INFO] [stdout] test baseline_with_option::deserialization::with_option_missing ... ok
[INFO] [stdout] test baseline_with_option::deserialization::with_option_some ... ok
[INFO] [stdout] test baseline_with_option::deserialization::with_implicit_option_none ... ok
[INFO] [stdout] test baseline_with_option::serialization::with_option_some ... ok
[INFO] [stdout] test baseline_with_option::serialization::with_option_none ... ok
[INFO] [stdout] test baseline_with_option::deserialization::with_shorthand_option_none ... ok
[INFO] [stdout] test with_possible::deserialization::with_no_field ... ok
[INFO] [stdout] test with_possible::deserialization::with_explicit_null_value ... ok
[INFO] [stdout] test with_possible::deserialization::with_implicit_null_value ... ok
[INFO] [stdout] test with_possible::serialization::with_no_field ... ok
[INFO] [stdout] test with_possible::deserialization::with_shorthand_null_value ... ok
[INFO] [stdout] test with_possible::serialization::with_null_value ... ok
[INFO] [stdout] test with_possible::deserialization::with_some_value ... ok
[INFO] [stdout] test with_possible::serialization::with_some_value ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests possible
[INFO] [stdout] 
[INFO] [stdout] running 56 tests
[INFO] [stdout] test src/copy.rs - copy::Possible<&'_T>::cloned (line 48) ... ok
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name possible --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern doc_comment=/opt/rustwide/target/debug/deps/libdoc_comment-bfd31d5719ff7f69.rlib --extern possible=/opt/rustwide/target/debug/deps/libpossible-e6bb3331ec2d037c.rlib --extern pretty_assertions=/opt/rustwide/target/debug/deps/libpretty_assertions-4f79767f3becb4c6.rlib --extern ron=/opt/rustwide/target/debug/deps/libron-3f77740a4031d995.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-62a997c686f3a53b.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-fd76ed604cb20f4d.rlib --extern serde_qs=/opt/rustwide/target/debug/deps/libserde_qs-fcddd542bca31d01.rlib --extern serde_yaml=/opt/rustwide/target/debug/deps/libserde_yaml-8d38431dc214e6f3.rlib --extern toml=/opt/rustwide/target/debug/deps/libtoml-b863de3d46951c20.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "2234fced29445dd64e5a7931ce4747ae9258c2486cc53110973e8805f9a16e4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2234fced29445dd64e5a7931ce4747ae9258c2486cc53110973e8805f9a16e4a", kill_on_drop: false }`
[INFO] [stdout] 2234fced29445dd64e5a7931ce4747ae9258c2486cc53110973e8805f9a16e4a