[INFO] fetching crate steepen 0.1.3...
[INFO] testing steepen-0.1.3 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate steepen 0.1.3 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate steepen 0.1.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate steepen 0.1.3
[INFO] tweaked toml for crates.io crate steepen 0.1.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate steepen 0.1.3 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate steepen 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 463a863c3d396b16bcfea8feef045aa59c097543218fd48b7cb54c0e4dee2d40
[INFO] running `Command { std: "docker" "start" "-a" "463a863c3d396b16bcfea8feef045aa59c097543218fd48b7cb54c0e4dee2d40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "463a863c3d396b16bcfea8feef045aa59c097543218fd48b7cb54c0e4dee2d40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "463a863c3d396b16bcfea8feef045aa59c097543218fd48b7cb54c0e4dee2d40", kill_on_drop: false }`
[INFO] [stdout] 463a863c3d396b16bcfea8feef045aa59c097543218fd48b7cb54c0e4dee2d40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c43086f45f2088daa4b0438013affdbc36a33f4c78073c6171a55009f62c28a
[INFO] running `Command { std: "docker" "start" "-a" "3c43086f45f2088daa4b0438013affdbc36a33f4c78073c6171a55009f62c28a", kill_on_drop: false }`
[INFO] [stderr]    Compiling steepen v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "3c43086f45f2088daa4b0438013affdbc36a33f4c78073c6171a55009f62c28a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c43086f45f2088daa4b0438013affdbc36a33f4c78073c6171a55009f62c28a", kill_on_drop: false }`
[INFO] [stdout] 3c43086f45f2088daa4b0438013affdbc36a33f4c78073c6171a55009f62c28a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8707d3e5e2a7a22bc093ddffa06d2123d47685a6c8f15d2d89482a831936182
[INFO] running `Command { std: "docker" "start" "-a" "b8707d3e5e2a7a22bc093ddffa06d2123d47685a6c8f15d2d89482a831936182", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling quickcheck v1.0.3
[INFO] [stderr]    Compiling steepen v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 17.20s
[INFO] running `Command { std: "docker" "inspect" "b8707d3e5e2a7a22bc093ddffa06d2123d47685a6c8f15d2d89482a831936182", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8707d3e5e2a7a22bc093ddffa06d2123d47685a6c8f15d2d89482a831936182", kill_on_drop: false }`
[INFO] [stdout] b8707d3e5e2a7a22bc093ddffa06d2123d47685a6c8f15d2d89482a831936182
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 11100aeb72b3424fee7661b585d5485bc24c67be6d7ec639ef9495b0ec5a4d6c
[INFO] running `Command { std: "docker" "start" "-a" "11100aeb72b3424fee7661b585d5485bc24c67be6d7ec639ef9495b0ec5a4d6c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/steepen-d02ddffd1d62549c)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/separate_by_even_odd.rs (/opt/rustwide/target/debug/deps/separate_by_even_odd-8610d00afd3b85c1)
[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 2 tests
[INFO] [stdout] test tests::correctly_marks_itself_as_finished ... ok
[INFO] [stderr]      Running tests/steepen_by_even_odd.rs (/opt/rustwide/target/debug/deps/steepen_by_even_odd-cdcf066739492edd)
[INFO] [stdout] test tests::elements_are_separated ... 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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::elements_are_separated ... ok
[INFO] [stdout] test tests::elements_not_empty ... ok
[INFO] [stdout] test tests::same_elements ... ok
[INFO] [stdout] test tests::elements_in_order ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests steepen
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/separable.rs - separable::Separable::separate (line 10) ... ok
[INFO] [stdout] test src/steepenable.rs - steepenable::Steepenable::steepen_eq (line 98) ... ok
[INFO] [stdout] test src/steepenable.rs - steepenable::Steepenable::steepen_strict (line 73) ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] test src/steepenable.rs - steepenable::Steepenable::steepen (line 46) ... ok
[INFO] [stdout] test src/steepenable.rs - steepenable::Steepenable::steepen_by (line 18) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.86s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "11100aeb72b3424fee7661b585d5485bc24c67be6d7ec639ef9495b0ec5a4d6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11100aeb72b3424fee7661b585d5485bc24c67be6d7ec639ef9495b0ec5a4d6c", kill_on_drop: false }`
[INFO] [stdout] 11100aeb72b3424fee7661b585d5485bc24c67be6d7ec639ef9495b0ec5a4d6c