[INFO] fetching crate shortlist 0.2.0...
[INFO] testing shortlist-0.2.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate shortlist 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate shortlist 0.2.0 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 shortlist 0.2.0
[INFO] finished tweaking crates.io crate shortlist 0.2.0
[INFO] tweaked toml for crates.io crate shortlist 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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] 94b12b8a4205ebbbf06f6e17d7b9ecc8bba4c16a8d46a5502ffb70fa6a2bdfe2
[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" "94b12b8a4205ebbbf06f6e17d7b9ecc8bba4c16a8d46a5502ffb70fa6a2bdfe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94b12b8a4205ebbbf06f6e17d7b9ecc8bba4c16a8d46a5502ffb70fa6a2bdfe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94b12b8a4205ebbbf06f6e17d7b9ecc8bba4c16a8d46a5502ffb70fa6a2bdfe2", kill_on_drop: false }`
[INFO] [stdout] 94b12b8a4205ebbbf06f6e17d7b9ecc8bba4c16a8d46a5502ffb70fa6a2bdfe2
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b23932cec13d2509aac2599a3d3527248e56959421a881eb51e2fe76b15df735
[INFO] running `Command { std: "docker" "start" "-a" "b23932cec13d2509aac2599a3d3527248e56959421a881eb51e2fe76b15df735", kill_on_drop: false }`
[INFO] [stderr]    Compiling shortlist v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "b23932cec13d2509aac2599a3d3527248e56959421a881eb51e2fe76b15df735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b23932cec13d2509aac2599a3d3527248e56959421a881eb51e2fe76b15df735", kill_on_drop: false }`
[INFO] [stdout] b23932cec13d2509aac2599a3d3527248e56959421a881eb51e2fe76b15df735
[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] c0f53b95915e6e41fdb6ee0698cb334ad22322dfe26c0f50dd3aaf2244e7aba2
[INFO] running `Command { std: "docker" "start" "-a" "c0f53b95915e6e41fdb6ee0698cb334ad22322dfe26c0f50dd3aaf2244e7aba2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 shortlist v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.10s
[INFO] running `Command { std: "docker" "inspect" "c0f53b95915e6e41fdb6ee0698cb334ad22322dfe26c0f50dd3aaf2244e7aba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0f53b95915e6e41fdb6ee0698cb334ad22322dfe26c0f50dd3aaf2244e7aba2", kill_on_drop: false }`
[INFO] [stdout] c0f53b95915e6e41fdb6ee0698cb334ad22322dfe26c0f50dd3aaf2244e7aba2
[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] a16f5701f2e480ca140999e8b6f1f8d15368deef05a2f5247094a4973cbd968c
[INFO] running `Command { std: "docker" "start" "-a" "a16f5701f2e480ca140999e8b6f1f8d15368deef05a2f5247094a4973cbd968c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/shortlist-07aec04f65c3608e)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::sorted_cloned_vec ... ok
[INFO] [stdout] test tests::into_sorted_vec ... ok
[INFO] [stdout] test tests::iter ... ok
[INFO] [stdout] test tests::clear ... ok
[INFO] [stdout] test tests::drain ... ok
[INFO] [stdout] test tests::into_vec ... ok
[INFO] [stdout] test tests::append ... ok
[INFO] [stdout] test tests::capacity_and_len ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 32.65s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests shortlist
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] test src/lib.rs - Shortlist<T>::clear (line 583) ... ok
[INFO] [stdout] test src/lib.rs - Shortlist<T>::into_vec (line 492) ... ok
[INFO] [stdout] test src/lib.rs - Shortlist<T>::clone_push (line 288) ... ok
[INFO] [stdout] test src/lib.rs - (line 34) ... ok
[INFO] [stdout] test src/lib.rs - (line 91) ... ok
[INFO] [stdout] test src/lib.rs - Shortlist<T>::append (line 350) ... ok
[INFO] [stdout] test src/lib.rs - Shortlist<T>::capacity (line 476) ... ok
[INFO] [stdout] test src/lib.rs - Shortlist<T>::is_empty (line 540) ... ok
[INFO] [stdout] test src/lib.rs - Shortlist (line 124) ... ok
[INFO] [stdout] test src/lib.rs - (line 66) ... ok
[INFO] [stdout] test src/lib.rs - Shortlist<T>::drain (line 563) ... ok
[INFO] [stdout] test src/lib.rs - Shortlist<T>::from_iter (line 210) ... ok
[INFO] [stdout] test src/lib.rs - Shortlist<T>::from_slice (line 179) ... ok
[INFO] [stdout] test src/lib.rs - Shortlist<T>::append_slice (line 381) ... ok
[INFO] [stdout] test src/lib.rs - Shortlist<T>::into_sorted_vec (line 409) ... ok
[INFO] [stdout] test src/lib.rs - Shortlist<T>::iter (line 456) ... ok
[INFO] [stdout] test src/lib.rs - Shortlist<T>::new (line 155) ... ok
[INFO] [stdout] test src/lib.rs - Shortlist<T>::len (line 515) ... ok
[INFO] [stdout] test src/lib.rs - Shortlist<T>::sorted_cloned_vec (line 432) ... ok
[INFO] [stdout] test src/lib.rs - Shortlist<T>::push (line 242) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 6.42s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a16f5701f2e480ca140999e8b6f1f8d15368deef05a2f5247094a4973cbd968c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a16f5701f2e480ca140999e8b6f1f8d15368deef05a2f5247094a4973cbd968c", kill_on_drop: false }`
[INFO] [stdout] a16f5701f2e480ca140999e8b6f1f8d15368deef05a2f5247094a4973cbd968c