[INFO] fetching crate persistent-list 0.1.0...
[INFO] testing persistent-list-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate persistent-list 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate persistent-list 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0a88f69b4e0532e0d71023da012193d2c7cebe30bf5c4b7ffedd35843051982
[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" "f0a88f69b4e0532e0d71023da012193d2c7cebe30bf5c4b7ffedd35843051982", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0a88f69b4e0532e0d71023da012193d2c7cebe30bf5c4b7ffedd35843051982", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0a88f69b4e0532e0d71023da012193d2c7cebe30bf5c4b7ffedd35843051982", kill_on_drop: false }`
[INFO] [stdout] f0a88f69b4e0532e0d71023da012193d2c7cebe30bf5c4b7ffedd35843051982
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--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] 65aca7c1200d9d3a53f1f12f09ad4cc695e3561732b501f683beb1426426e056
[INFO] running `Command { std: "docker" "start" "-a" "65aca7c1200d9d3a53f1f12f09ad4cc695e3561732b501f683beb1426426e056", kill_on_drop: false }`
[INFO] [stderr]    Compiling persistent-list v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `Command { std: "docker" "inspect" "65aca7c1200d9d3a53f1f12f09ad4cc695e3561732b501f683beb1426426e056", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65aca7c1200d9d3a53f1f12f09ad4cc695e3561732b501f683beb1426426e056", kill_on_drop: false }`
[INFO] [stdout] 65aca7c1200d9d3a53f1f12f09ad4cc695e3561732b501f683beb1426426e056
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce00102362aff27d58ef147bfa080b89fe2be96f89983c1ecda27ed2898d431f
[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" "ce00102362aff27d58ef147bfa080b89fe2be96f89983c1ecda27ed2898d431f", kill_on_drop: false }`
[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 5.06s
[INFO] running `Command { std: "docker" "inspect" "ce00102362aff27d58ef147bfa080b89fe2be96f89983c1ecda27ed2898d431f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce00102362aff27d58ef147bfa080b89fe2be96f89983c1ecda27ed2898d431f", kill_on_drop: false }`
[INFO] [stdout] ce00102362aff27d58ef147bfa080b89fe2be96f89983c1ecda27ed2898d431f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 79c53e1de76826e7c57fd68ea16b894976b6ce7d42435a82880d6ad33074f98d
[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" "79c53e1de76826e7c57fd68ea16b894976b6ce7d42435a82880d6ad33074f98d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 9 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/persistent_list-675c4ddf69726a98)
[INFO] [stdout] test tests::list_macro ... ok
[INFO] [stdout] test tests::list_length ... ok
[INFO] [stdout] test tests::list_iterator ... ok
[INFO] [stdout] test tests::list_front ... ok
[INFO] [stdout] test tests::list_append ... 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 3.85s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests persistent-list
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test src/lib.rs - List<E>::push_front (line 567) ... ok
[INFO] [stdout] test src/lib.rs - List<E>::pop_front (line 591) ... 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>::len (line 382) ... ok
[INFO] [stdout] test src/lib.rs - List<E>::rest (line 774) ... ok
[INFO] [stdout] test src/lib.rs - List<E>::front (line 519) ... ok
[INFO] [stdout] test src/lib.rs - List<E>::is_empty (line 359) ... ok
[INFO] [stdout] test src/lib.rs - List<E>::contains (line 495) ... ok
[INFO] [stdout] test src/lib.rs - List<E>::reverse (line 720) ... ok
[INFO] [stdout] test src/lib.rs - List<E>::iter_mut (line 326) ... ok
[INFO] [stdout] test src/lib.rs - List<E>::split_at (line 695) ... ok
[INFO] [stdout] test src/lib.rs - List<E>::iter (line 299) ... ok
[INFO] [stdout] test src/lib.rs - List<E>::split_off (line 633) ... ok
[INFO] [stdout] test src/lib.rs - List<E>::append (line 262) ... ok
[INFO] [stdout] test src/lib.rs - List<E>::tail (line 819) ... ok
[INFO] [stdout] test src/lib.rs - List<E>::front_mut (line 541) ... ok
[INFO] [stdout] test src/lib.rs - (line 37) ... ok
[INFO] [stdout] test src/lib.rs - List<E>::uncons (line 468) ... ok
[INFO] [stdout] test src/lib.rs - cons (line 211) ... ok
[INFO] [stdout] test src/lib.rs - cons (line 189) ... ok
[INFO] [stdout] test src/lib.rs - List<E>::unit (line 404) ... ok
[INFO] [stdout] test src/lib.rs - list (line 81) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.68s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "79c53e1de76826e7c57fd68ea16b894976b6ce7d42435a82880d6ad33074f98d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79c53e1de76826e7c57fd68ea16b894976b6ce7d42435a82880d6ad33074f98d", kill_on_drop: false }`
[INFO] [stdout] 79c53e1de76826e7c57fd68ea16b894976b6ce7d42435a82880d6ad33074f98d