[INFO] fetching crate persistent-list 0.1.0...
[INFO] testing persistent-list-0.1.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate persistent-list 0.1.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate persistent-list 0.1.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3638fbcbfb0f9a300bfdcc6099cf3a5c88dd86a9d0aeceaa156a0c9b6e5acae3
[INFO] running `Command { std: "docker" "start" "-a" "3638fbcbfb0f9a300bfdcc6099cf3a5c88dd86a9d0aeceaa156a0c9b6e5acae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3638fbcbfb0f9a300bfdcc6099cf3a5c88dd86a9d0aeceaa156a0c9b6e5acae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3638fbcbfb0f9a300bfdcc6099cf3a5c88dd86a9d0aeceaa156a0c9b6e5acae3", kill_on_drop: false }`
[INFO] [stdout] 3638fbcbfb0f9a300bfdcc6099cf3a5c88dd86a9d0aeceaa156a0c9b6e5acae3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf8913393823c5579e4b77e07934b85b1e29185fe1b6ebe2302713fb83126880
[INFO] running `Command { std: "docker" "start" "-a" "bf8913393823c5579e4b77e07934b85b1e29185fe1b6ebe2302713fb83126880", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling persistent-list v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "bf8913393823c5579e4b77e07934b85b1e29185fe1b6ebe2302713fb83126880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf8913393823c5579e4b77e07934b85b1e29185fe1b6ebe2302713fb83126880", kill_on_drop: false }`
[INFO] [stdout] bf8913393823c5579e4b77e07934b85b1e29185fe1b6ebe2302713fb83126880
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c658366a26767f7f8ebc702fb7b9784298f5843a33b1849dc7b8dda9c4878f8
[INFO] running `Command { std: "docker" "start" "-a" "9c658366a26767f7f8ebc702fb7b9784298f5843a33b1849dc7b8dda9c4878f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[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 4.05s
[INFO] running `Command { std: "docker" "inspect" "9c658366a26767f7f8ebc702fb7b9784298f5843a33b1849dc7b8dda9c4878f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c658366a26767f7f8ebc702fb7b9784298f5843a33b1849dc7b8dda9c4878f8", kill_on_drop: false }`
[INFO] [stdout] 9c658366a26767f7f8ebc702fb7b9784298f5843a33b1849dc7b8dda9c4878f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9309dabad71ffea5b4c41b078ed252f69b074ca4fa33024b7e9844bd433cc5f5
[INFO] running `Command { std: "docker" "start" "-a" "9309dabad71ffea5b4c41b078ed252f69b074ca4fa33024b7e9844bd433cc5f5", 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-758a34c21f247528)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::list_front ... ok
[INFO] [stdout] test tests::list_append ... ok
[INFO] [stdout] test tests::list_iterator ... ok
[INFO] [stdout] test tests::list_length ... ok
[INFO] [stdout] test tests::list_macro ... ok
[INFO] [stdout] test tests::list_rest ... ok
[INFO] [stdout] test tests::list_skip ... ok
[INFO] [stdout] test tests::list_thread ... ok
[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 1.64s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests persistent-list
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test src/lib.rs - List<E>::len (line 382) ... ok
[INFO] [stdout] test src/lib.rs - List<E>::is_empty (line 359) ... ok
[INFO] [stdout] test src/lib.rs - List<E>::front (line 519) ... ok
[INFO] [stdout] test src/lib.rs - List<E>::new (line 238) ... ok
[INFO] [stdout] test src/lib.rs - List<E>::iter_mut (line 326) ... ok
[INFO] [stdout] test src/lib.rs - List<E>::uncons (line 468) ... ok
[INFO] [stdout] test src/lib.rs - List<E>::contains (line 495) ... ok
[INFO] [stdout] test src/lib.rs - List<E>::pop_front (line 591) ... ok
[INFO] [stdout] test src/lib.rs - List<E>::clear (line 425) ... ok
[INFO] [stdout] test src/lib.rs - (line 37) ... ok
[INFO] [stdout] test src/lib.rs - cons (line 189) ... ok
[INFO] [stdout] test src/lib.rs - List<E>::iter (line 299) ... ok
[INFO] [stdout] test src/lib.rs - List<E>::append (line 262) ... ok
[INFO] [stdout] test src/lib.rs - List<E>::rest (line 774) ... ok
[INFO] [stdout] test src/lib.rs - List<E>::push_front (line 567) ... ok
[INFO] [stdout] test src/lib.rs - List<E>::unit (line 404) ... ok
[INFO] [stdout] test src/lib.rs - List<E>::reverse (line 720) ... ok
[INFO] [stdout] test src/lib.rs - List<E>::tail (line 819) ... ok
[INFO] [stdout] test src/lib.rs - list (line 81) ... ok
[INFO] [stdout] test src/lib.rs - List<E>::split_off (line 633) ... 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_at (line 695) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.62s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9309dabad71ffea5b4c41b078ed252f69b074ca4fa33024b7e9844bd433cc5f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9309dabad71ffea5b4c41b078ed252f69b074ca4fa33024b7e9844bd433cc5f5", kill_on_drop: false }`
[INFO] [stdout] 9309dabad71ffea5b4c41b078ed252f69b074ca4fa33024b7e9844bd433cc5f5