[INFO] fetching crate predicates 2.0.2...
[INFO] testing predicates-2.0.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate predicates 2.0.2 into /workspace/builds/worker-96/source
[INFO] validating manifest of crates.io crate predicates 2.0.2 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 predicates 2.0.2
[INFO] finished tweaking crates.io crate predicates 2.0.2
[INFO] tweaked toml for crates.io crate predicates 2.0.2 written to /workspace/builds/worker-96/source/Cargo.toml
[INFO] crate crates.io crate predicates 2.0.2 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 float-cmp v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] 7a96131c7cf8d592fa87d0bc4c009a61fcfc0c8cabb8d07fdb0d0739b0b8e670
[INFO] running `Command { std: "docker" "start" "-a" "7a96131c7cf8d592fa87d0bc4c009a61fcfc0c8cabb8d07fdb0d0739b0b8e670", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a96131c7cf8d592fa87d0bc4c009a61fcfc0c8cabb8d07fdb0d0739b0b8e670", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a96131c7cf8d592fa87d0bc4c009a61fcfc0c8cabb8d07fdb0d0739b0b8e670", kill_on_drop: false }`
[INFO] [stdout] 7a96131c7cf8d592fa87d0bc4c009a61fcfc0c8cabb8d07fdb0d0739b0b8e670
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] 58d1f85b084defbf42445aa8b94a3108ad590596db2548567675d39e07bf0699
[INFO] running `Command { std: "docker" "start" "-a" "58d1f85b084defbf42445aa8b94a3108ad590596db2548567675d39e07bf0699", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling predicates v2.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.98s
[INFO] running `Command { std: "docker" "inspect" "58d1f85b084defbf42445aa8b94a3108ad590596db2548567675d39e07bf0699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58d1f85b084defbf42445aa8b94a3108ad590596db2548567675d39e07bf0699", kill_on_drop: false }`
[INFO] [stdout] 58d1f85b084defbf42445aa8b94a3108ad590596db2548567675d39e07bf0699
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] 675d772d25141c7e0b41e030bc77ef3706a9012ad515e69c2381113ce4abb8c1
[INFO] running `Command { std: "docker" "start" "-a" "675d772d25141c7e0b41e030bc77ef3706a9012ad515e69c2381113ce4abb8c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling predicates v2.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.98s
[INFO] running `Command { std: "docker" "inspect" "675d772d25141c7e0b41e030bc77ef3706a9012ad515e69c2381113ce4abb8c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "675d772d25141c7e0b41e030bc77ef3706a9012ad515e69c2381113ce4abb8c1", kill_on_drop: false }`
[INFO] [stdout] 675d772d25141c7e0b41e030bc77ef3706a9012ad515e69c2381113ce4abb8c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] 8e544fdc1f81d24de394df9c38d0a7dee0adfdbb456929dd1f7ab529058bab43
[INFO] running `Command { std: "docker" "start" "-a" "8e544fdc1f81d24de394df9c38d0a7dee0adfdbb456929dd1f7ab529058bab43", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/predicates-32943f19986ba919)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test boolean::test_and::find_case_false ... ok
[INFO] [stdout] test boolean::test_and::find_case_false_fails ... ok
[INFO] [stdout] test boolean::test_and::find_case_false_right_fail ... ok
[INFO] [stdout] test boolean::test_and::find_case_false_left_fail ... ok
[INFO] [stdout] test boolean::test_and::find_case_true ... ok
[INFO] [stdout] test boolean::test_and::find_case_true_fails ... ok
[INFO] [stdout] test boolean::test_and::find_case_true_left_fail ... ok
[INFO] [stdout] test boolean::test_and::find_case_true_right_fail ... ok
[INFO] [stdout] test boolean::test_or::find_case_false ... ok
[INFO] [stdout] test boolean::test_or::find_case_false_fails ... ok
[INFO] [stderr]    Doc-tests predicates
[INFO] [stdout] test boolean::test_or::find_case_false_left_fail ... ok
[INFO] [stdout] test boolean::test_or::find_case_true ... ok
[INFO] [stdout] test boolean::test_or::find_case_false_right_fail ... ok
[INFO] [stdout] test boolean::test_or::find_case_true_fails ... ok
[INFO] [stdout] test boolean::test_or::find_case_true_left_fail ... ok
[INFO] [stdout] test boolean::test_or::find_case_true_right_fail ... ok
[INFO] [stdout] test function::str_function ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 47 tests
[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 predicates --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern difflib=/opt/rustwide/target/debug/deps/libdifflib-079b35c3f76e595a.rlib --extern float_cmp=/opt/rustwide/target/debug/deps/libfloat_cmp-55baa2463e4a686a.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c0ea5b4b1d6f2c02.rlib --extern normalize_line_endings=/opt/rustwide/target/debug/deps/libnormalize_line_endings-32c5e791dc2052b0.rlib --extern predicates=/opt/rustwide/target/debug/deps/libpredicates-d8525636c93221fe.rlib --extern predicates_core=/opt/rustwide/target/debug/deps/libpredicates_core-95bba0477a355faf.rlib --extern predicates_tree=/opt/rustwide/target/debug/deps/libpredicates_tree-5d7a2b16f9bcdcdd.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-ba47a52faac36a33.rlib -C embed-bitcode=no --cfg 'feature="default"' --cfg 'feature="diff"' --cfg 'feature="difflib"' --cfg 'feature="float-cmp"' --cfg 'feature="normalize-line-endings"' --cfg 'feature="regex"' --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "8e544fdc1f81d24de394df9c38d0a7dee0adfdbb456929dd1f7ab529058bab43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e544fdc1f81d24de394df9c38d0a7dee0adfdbb456929dd1f7ab529058bab43", kill_on_drop: false }`
[INFO] [stdout] 8e544fdc1f81d24de394df9c38d0a7dee0adfdbb456929dd1f7ab529058bab43