[INFO] fetching crate predicates 2.0.0...
[INFO] testing predicates-2.0.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate predicates 2.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate predicates 2.0.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate predicates 2.0.0
[INFO] finished tweaking crates.io crate predicates 2.0.0
[INFO] tweaked toml for crates.io crate predicates 2.0.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate predicates 2.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ba8424f341f815d864ff819739e718645e6dfeefc48cc9667def8f25d8b8aa4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5ba8424f341f815d864ff819739e718645e6dfeefc48cc9667def8f25d8b8aa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ba8424f341f815d864ff819739e718645e6dfeefc48cc9667def8f25d8b8aa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ba8424f341f815d864ff819739e718645e6dfeefc48cc9667def8f25d8b8aa4", kill_on_drop: false }`
[INFO] [stdout] 5ba8424f341f815d864ff819739e718645e6dfeefc48cc9667def8f25d8b8aa4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7806afde7ef64720126cdee89d0764b120c8040d2cfc0917145087d3550eee67
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7806afde7ef64720126cdee89d0764b120c8040d2cfc0917145087d3550eee67", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling predicates-core v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling predicates v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.83s
[INFO] running `Command { std: "docker" "inspect" "7806afde7ef64720126cdee89d0764b120c8040d2cfc0917145087d3550eee67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7806afde7ef64720126cdee89d0764b120c8040d2cfc0917145087d3550eee67", kill_on_drop: false }`
[INFO] [stdout] 7806afde7ef64720126cdee89d0764b120c8040d2cfc0917145087d3550eee67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 665406df5b498f8dd28c345acef7b94ad3661e691d6570e13b2e9c5994240839
[INFO] running `Command { std: "docker" "start" "-a" "665406df5b498f8dd28c345acef7b94ad3661e691d6570e13b2e9c5994240839", kill_on_drop: false }`
[INFO] [stderr]    Compiling treeline v0.1.0
[INFO] [stderr]    Compiling predicates-tree v1.0.2
[INFO] [stderr]    Compiling predicates v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.21s
[INFO] running `Command { std: "docker" "inspect" "665406df5b498f8dd28c345acef7b94ad3661e691d6570e13b2e9c5994240839", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "665406df5b498f8dd28c345acef7b94ad3661e691d6570e13b2e9c5994240839", kill_on_drop: false }`
[INFO] [stdout] 665406df5b498f8dd28c345acef7b94ad3661e691d6570e13b2e9c5994240839
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f8efe864201fa4e852c71c43450f57cd13e777afbe0dbbf83b2390da3d0f4a80
[INFO] running `Command { std: "docker" "start" "-a" "f8efe864201fa4e852c71c43450f57cd13e777afbe0dbbf83b2390da3d0f4a80", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 17 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/predicates-ad97ec65da2cea19)
[INFO] [stdout] test boolean::test_and::find_case_false_fails ... ok
[INFO] [stdout] test boolean::test_and::find_case_false ... 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_or::find_case_true_right_fail ... ok
[INFO] [stdout] test boolean::test_or::find_case_true_fails ... ok
[INFO] [stdout] test boolean::test_and::find_case_false_right_fail ... ok
[INFO] [stdout] test function::str_function ... ok
[INFO] [stdout] test boolean::test_and::find_case_true_fails ... ok
[INFO] [stdout] test boolean::test_or::find_case_false ... ok
[INFO] [stdout] test boolean::test_or::find_case_true_left_fail ... ok
[INFO] [stdout] test boolean::test_or::find_case_false_fails ... ok
[INFO] [stdout] test boolean::test_and::find_case_true_left_fail ... ok
[INFO] [stdout] test boolean::test_or::find_case_false_right_fail ... ok
[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_and::find_case_true_right_fail ... 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] [stderr]    Doc-tests predicates
[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-e2764c36c2c388a9.rlib --extern float_cmp=/opt/rustwide/target/debug/deps/libfloat_cmp-9bb9ff2b891f7355.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-78c60b588458e652.rlib --extern normalize_line_endings=/opt/rustwide/target/debug/deps/libnormalize_line_endings-7401159978a900d7.rlib --extern predicates=/opt/rustwide/target/debug/deps/libpredicates-358e948371c2fa72.rlib --extern predicates_core=/opt/rustwide/target/debug/deps/libpredicates_core-79322799b7681647.rlib --extern predicates_tree=/opt/rustwide/target/debug/deps/libpredicates_tree-4f97f59ec875e7be.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-14edb7dff9ca13a5.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" "f8efe864201fa4e852c71c43450f57cd13e777afbe0dbbf83b2390da3d0f4a80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8efe864201fa4e852c71c43450f57cd13e777afbe0dbbf83b2390da3d0f4a80", kill_on_drop: false }`
[INFO] [stdout] f8efe864201fa4e852c71c43450f57cd13e777afbe0dbbf83b2390da3d0f4a80