[INFO] fetching crate persistent-list 0.1.0...
[INFO] testing persistent-list-0.1.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate persistent-list 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate persistent-list 0.1.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate persistent-list 0.1.0
[INFO] finished tweaking crates.io crate persistent-list 0.1.0
[INFO] tweaked toml for crates.io crate persistent-list 0.1.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 491bd024f250e52e2e9c5c829ae2e7fd1e081377c59598c1d8584bdae268c9e9
[INFO] running `Command { std: "docker" "start" "-a" "491bd024f250e52e2e9c5c829ae2e7fd1e081377c59598c1d8584bdae268c9e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "491bd024f250e52e2e9c5c829ae2e7fd1e081377c59598c1d8584bdae268c9e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "491bd024f250e52e2e9c5c829ae2e7fd1e081377c59598c1d8584bdae268c9e9", kill_on_drop: false }`
[INFO] [stdout] 491bd024f250e52e2e9c5c829ae2e7fd1e081377c59598c1d8584bdae268c9e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05a253a073aed370f951bbe5ab8d9dcfd4442e13b0b0df5289250e5eb7fc55d0
[INFO] running `Command { std: "docker" "start" "-a" "05a253a073aed370f951bbe5ab8d9dcfd4442e13b0b0df5289250e5eb7fc55d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling persistent-list v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "05a253a073aed370f951bbe5ab8d9dcfd4442e13b0b0df5289250e5eb7fc55d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05a253a073aed370f951bbe5ab8d9dcfd4442e13b0b0df5289250e5eb7fc55d0", kill_on_drop: false }`
[INFO] [stdout] 05a253a073aed370f951bbe5ab8d9dcfd4442e13b0b0df5289250e5eb7fc55d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 294c864d606a1c00425bffd4c15038f81f43ef2147a807c29238ce40dc803c45
[INFO] running `Command { std: "docker" "start" "-a" "294c864d606a1c00425bffd4c15038f81f43ef2147a807c29238ce40dc803c45", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling persistent-list v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.40s
[INFO] running `Command { std: "docker" "inspect" "294c864d606a1c00425bffd4c15038f81f43ef2147a807c29238ce40dc803c45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "294c864d606a1c00425bffd4c15038f81f43ef2147a807c29238ce40dc803c45", kill_on_drop: false }`
[INFO] [stdout] 294c864d606a1c00425bffd4c15038f81f43ef2147a807c29238ce40dc803c45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d3ec1872fa97194d9e07b68d3f0b25b73842b1f716273cd5bdd697e5e525c73d
[INFO] running `Command { std: "docker" "start" "-a" "d3ec1872fa97194d9e07b68d3f0b25b73842b1f716273cd5bdd697e5e525c73d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/persistent_list-2fdffceccc841d4f)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::list_append ... ok
[INFO] [stdout] test tests::list_front ... ok
[INFO] [stdout] test tests::list_length ... ok
[INFO] [stdout] test tests::list_iterator ... ok
[INFO] [stdout] test tests::list_rest ... ok
[INFO] [stdout] test tests::list_skip ... ok
[INFO] [stdout] test tests::list_macro ... ok
[INFO] [stdout] test tests::list_thread ... ok
[INFO] [stderr]    Doc-tests persistent-list
[INFO] [stdout] test tests::list_split_append ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test src/lib.rs - List<E>::uncons (line 468) ... ok
[INFO] [stdout] test src/lib.rs - List<E>::iter (line 299) ... ok
[INFO] [stdout] test src/lib.rs - List<E>::contains (line 495) ... ok
[INFO] [stdout] test src/lib.rs - List<E>::is_empty (line 359) ... ok
[INFO] [stdout] test src/lib.rs - cons (line 189) ... ok
[INFO] [stdout] test src/lib.rs - List<E>::append (line 262) ... ok
[INFO] [stdout] test src/lib.rs - List<E>::iter_mut (line 326) ... ok
[INFO] [stdout] test src/lib.rs - (line 37) ... ok
[INFO] [stdout] test src/lib.rs - List<E>::new (line 238) ... ok
[INFO] [stdout] test src/lib.rs - List<E>::clear (line 425) ... ok
[INFO] [stdout] test src/lib.rs - List<E>::tail (line 819) ... ok
[INFO] [stdout] test src/lib.rs - List<E>::rest (line 774) ... ok
[INFO] [stdout] test src/lib.rs - List<E>::pop_front (line 591) ... ok
[INFO] [stdout] test src/lib.rs - list (line 81) ... ok
[INFO] [stdout] test src/lib.rs - List<E>::front (line 519) ... ok
[INFO] [stdout] test src/lib.rs - List<E>::reverse (line 720) ... ok
[INFO] [stdout] test src/lib.rs - List<E>::len (line 382) ... ok
[INFO] [stdout] test src/lib.rs - List<E>::unit (line 404) ... ok
[INFO] [stdout] test src/lib.rs - List<E>::front_mut (line 541) ... ok
[INFO] [stdout] test src/lib.rs - cons (line 211) ... ok
[INFO] [stdout] test src/lib.rs - List<E>::split_off (line 633) ... ok
[INFO] [stdout] test src/lib.rs - List<E>::push_front (line 567) ... ok
[INFO] [stdout] test src/lib.rs - List<E>::split_at (line 695) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.69s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d3ec1872fa97194d9e07b68d3f0b25b73842b1f716273cd5bdd697e5e525c73d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3ec1872fa97194d9e07b68d3f0b25b73842b1f716273cd5bdd697e5e525c73d", kill_on_drop: false }`
[INFO] [stdout] d3ec1872fa97194d9e07b68d3f0b25b73842b1f716273cd5bdd697e5e525c73d