[INFO] fetching crate slab 0.4.2...
[INFO] testing slab-0.4.2 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate slab 0.4.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate slab 0.4.2 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slab 0.4.2
[INFO] finished tweaking crates.io crate slab 0.4.2
[INFO] tweaked toml for crates.io crate slab 0.4.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7aefab9650c729105659ca58015ce5fd1f476e9926263456a3e1c82eb5d896d6
[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" "7aefab9650c729105659ca58015ce5fd1f476e9926263456a3e1c82eb5d896d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7aefab9650c729105659ca58015ce5fd1f476e9926263456a3e1c82eb5d896d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aefab9650c729105659ca58015ce5fd1f476e9926263456a3e1c82eb5d896d6", kill_on_drop: false }`
[INFO] [stdout] 7aefab9650c729105659ca58015ce5fd1f476e9926263456a3e1c82eb5d896d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6d00bd7276040b1b61619cb2c8b513dadce0619d0ffa2f0822bf8330b0e175b
[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" "d6d00bd7276040b1b61619cb2c8b513dadce0619d0ffa2f0822bf8330b0e175b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling slab v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "d6d00bd7276040b1b61619cb2c8b513dadce0619d0ffa2f0822bf8330b0e175b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6d00bd7276040b1b61619cb2c8b513dadce0619d0ffa2f0822bf8330b0e175b", kill_on_drop: false }`
[INFO] [stdout] d6d00bd7276040b1b61619cb2c8b513dadce0619d0ffa2f0822bf8330b0e175b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42ece297d7962a7c6afd324e4ea48a98555bf1e3d01250c8fcf7cd2ac95aef8e
[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" "42ece297d7962a7c6afd324e4ea48a98555bf1e3d01250c8fcf7cd2ac95aef8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling slab v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "42ece297d7962a7c6afd324e4ea48a98555bf1e3d01250c8fcf7cd2ac95aef8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42ece297d7962a7c6afd324e4ea48a98555bf1e3d01250c8fcf7cd2ac95aef8e", kill_on_drop: false }`
[INFO] [stdout] 42ece297d7962a7c6afd324e4ea48a98555bf1e3d01250c8fcf7cd2ac95aef8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8c3ddbb988af0f18a080e4a442b8b2ed08456ec3328ea3f2f6baefa12e1781ce
[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" "8c3ddbb988af0f18a080e4a442b8b2ed08456ec3328ea3f2f6baefa12e1781ce", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/slab-45e9713dc6b4d684
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/slab-1a7ddf4eaf77e055
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test clear ... 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 reserve_exact_does_not_allocate_if_available ... ok
[INFO] [stdout] test iter ... ok
[INFO] [stdout] test get_vacant_entry_without_using ... ok
[INFO] [stdout] test slab_get_mut ... ok
[INFO] [stdout] test reserve_does_not_allocate_if_available ... ok
[INFO] [stdout] test partially_consumed_drain ... ok
[INFO] [stdout] test fully_consumed_drain ... ok
[INFO] [stdout] test insert_get_many ... ok
[INFO] [stdout] test iter_mut ... ok
[INFO] [stdout] test retain ... ok
[INFO] [stdout] test double_remove_panics ... ok
[INFO] [stdout] test invalid_remove_panics ... ok
[INFO] [stderr]    Doc-tests slab
[INFO] [stdout] test invalid_get_panics ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stdout] test src/lib.rs - Slab<T>::is_empty (line 402) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::get_unchecked (line 530) ... ok
[INFO] [stdout] test src/lib.rs - (line 42) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::contains (line 688) ... ok
[INFO] [stdout] test src/lib.rs - (line 63) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::drain (line 757) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::get (line 484) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::capacity (line 238) ... ok
[INFO] [stdout] test src/lib.rs - (line 25) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::get_mut (line 506) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::insert (line 584) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::clear (line 363) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::get_unchecked_mut (line 553) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::iter (line 423) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::reserve_exact (line 300) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::new (line 191) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::reserve (line 266) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::iter_mut (line 454) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::retain (line 717) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::len (line 384) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::remove (line 657) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::shrink_to_fit (line 340) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::vacant_entry (line 606) ... ok
[INFO] [stdout] test src/lib.rs - VacantEntry (line 141) ... ok
[INFO] [stdout] test src/lib.rs - VacantEntry::key (line 905) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::shrink_to_fit (line 324) ... ok
[INFO] [stdout] test src/lib.rs - VacantEntry::insert (line 875) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::with_capacity (line 211) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8c3ddbb988af0f18a080e4a442b8b2ed08456ec3328ea3f2f6baefa12e1781ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c3ddbb988af0f18a080e4a442b8b2ed08456ec3328ea3f2f6baefa12e1781ce", kill_on_drop: false }`
[INFO] [stdout] 8c3ddbb988af0f18a080e4a442b8b2ed08456ec3328ea3f2f6baefa12e1781ce