[INFO] fetching crate slab_32 0.1.1...
[INFO] testing slab_32-0.1.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate slab_32 0.1.1 into /workspace/builds/worker-39/source
[INFO] validating manifest of crates.io crate slab_32 0.1.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slab_32 0.1.1
[INFO] finished tweaking crates.io crate slab_32 0.1.1
[INFO] tweaked toml for crates.io crate slab_32 0.1.1 written to /workspace/builds/worker-39/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df6f8f4ccbdc518626f6e646ad7972876af5dab5c5170c6f0574628681b016ac
[INFO] running `Command { std: "docker" "start" "-a" "df6f8f4ccbdc518626f6e646ad7972876af5dab5c5170c6f0574628681b016ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df6f8f4ccbdc518626f6e646ad7972876af5dab5c5170c6f0574628681b016ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df6f8f4ccbdc518626f6e646ad7972876af5dab5c5170c6f0574628681b016ac", kill_on_drop: false }`
[INFO] [stdout] df6f8f4ccbdc518626f6e646ad7972876af5dab5c5170c6f0574628681b016ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] feda37802a73e288c1bbcf7cf0bf3621604a8f926351f782540910a4334e0510
[INFO] running `Command { std: "docker" "start" "-a" "feda37802a73e288c1bbcf7cf0bf3621604a8f926351f782540910a4334e0510", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling slab_32 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "feda37802a73e288c1bbcf7cf0bf3621604a8f926351f782540910a4334e0510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feda37802a73e288c1bbcf7cf0bf3621604a8f926351f782540910a4334e0510", kill_on_drop: false }`
[INFO] [stdout] feda37802a73e288c1bbcf7cf0bf3621604a8f926351f782540910a4334e0510
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb308b39809799306ae95a8b73798f9ecd60d09fd942a0da8418bdafdb0c7184
[INFO] running `Command { std: "docker" "start" "-a" "cb308b39809799306ae95a8b73798f9ecd60d09fd942a0da8418bdafdb0c7184", kill_on_drop: false }`
[INFO] [stderr]    Compiling slab_32 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "cb308b39809799306ae95a8b73798f9ecd60d09fd942a0da8418bdafdb0c7184", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb308b39809799306ae95a8b73798f9ecd60d09fd942a0da8418bdafdb0c7184", kill_on_drop: false }`
[INFO] [stdout] cb308b39809799306ae95a8b73798f9ecd60d09fd942a0da8418bdafdb0c7184
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 24cbf2e7d484e22d9435a33863734725919b8e506a9afbd6dadd1ef1bcff9eb1
[INFO] running `Command { std: "docker" "start" "-a" "24cbf2e7d484e22d9435a33863734725919b8e506a9afbd6dadd1ef1bcff9eb1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/slab_32-12b2081e63e2826d)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/slab.rs (/opt/rustwide/target/debug/deps/slab-5b82ef188871289b)
[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 15 tests
[INFO] [stdout] test clear ... ok
[INFO] [stdout] test get_vacant_entry_without_using ... ok
[INFO] [stdout] test insert_get_many ... ok
[INFO] [stdout] test insert_get_remove_many ... ok
[INFO] [stdout] test insert_get_remove_one ... ok
[INFO] [stdout] test insert_with_vacant_entry ... ok
[INFO] [stdout] test slab_get_mut ... ok
[INFO] [stdout] test retain ... ok
[INFO] [stdout] test iter_mut ... ok
[INFO] [stdout] test reserve_exact_does_not_allocate_if_available ... ok
[INFO] [stdout] test iter ... ok
[INFO] [stdout] test reserve_does_not_allocate_if_available ... ok
[INFO] [stdout] test double_remove_panics - should panic ... ok
[INFO] [stdout] test invalid_get_panics - should panic ... ok
[INFO] [stdout] test invalid_remove_panics - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests slab_32
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test src/lib.rs - (line 21) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::clear (line 353) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::contains (line 682) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::len (line 374) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::reserve (line 256) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::iter_mut (line 444) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::new (line 181) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::is_empty (line 392) ... ok
[INFO] [stdout] test src/lib.rs - VacantEntry::key (line 849) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::get (line 474) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::get_mut (line 496) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::reserve_exact (line 290) ... ok
[INFO] [stdout] test src/lib.rs - (line 38) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::capacity (line 228) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::get_unchecked (line 520) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::iter (line 413) ... ok
[INFO] [stdout] test src/lib.rs - (line 59) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::vacant_entry (line 596) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::get_unchecked_mut (line 543) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::with_capacity (line 201) ... ok
[INFO] [stdout] test src/lib.rs - VacantEntry (line 134) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::shrink_to_fit (line 330) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::remove (line 649) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::insert (line 574) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::retain (line 712) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::shrink_to_fit (line 314) ... ok
[INFO] [stdout] test src/lib.rs - VacantEntry::insert (line 819) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.13s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "24cbf2e7d484e22d9435a33863734725919b8e506a9afbd6dadd1ef1bcff9eb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24cbf2e7d484e22d9435a33863734725919b8e506a9afbd6dadd1ef1bcff9eb1", kill_on_drop: false }`
[INFO] [stdout] 24cbf2e7d484e22d9435a33863734725919b8e506a9afbd6dadd1ef1bcff9eb1