[INFO] fetching crate slab 0.4.5...
[INFO] testing slab-0.4.5 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate slab 0.4.5 into /workspace/builds/worker-84/source
[INFO] validating manifest of crates.io crate slab 0.4.5 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slab 0.4.5
[INFO] finished tweaking crates.io crate slab 0.4.5
[INFO] tweaked toml for crates.io crate slab 0.4.5 written to /workspace/builds/worker-84/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62d99c15eac710e1d2be24a907e4c2b287c79701b5bd7d0447f603a468901691
[INFO] running `Command { std: "docker" "start" "-a" "62d99c15eac710e1d2be24a907e4c2b287c79701b5bd7d0447f603a468901691", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62d99c15eac710e1d2be24a907e4c2b287c79701b5bd7d0447f603a468901691", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62d99c15eac710e1d2be24a907e4c2b287c79701b5bd7d0447f603a468901691", kill_on_drop: false }`
[INFO] [stdout] 62d99c15eac710e1d2be24a907e4c2b287c79701b5bd7d0447f603a468901691
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 653b0fa1e6ae9e3b7ab174fba0b78ae6a254900679c05aaba0705039677c6fda
[INFO] running `Command { std: "docker" "start" "-a" "653b0fa1e6ae9e3b7ab174fba0b78ae6a254900679c05aaba0705039677c6fda", kill_on_drop: false }`
[INFO] [stderr]    Compiling slab v0.4.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "653b0fa1e6ae9e3b7ab174fba0b78ae6a254900679c05aaba0705039677c6fda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "653b0fa1e6ae9e3b7ab174fba0b78ae6a254900679c05aaba0705039677c6fda", kill_on_drop: false }`
[INFO] [stdout] 653b0fa1e6ae9e3b7ab174fba0b78ae6a254900679c05aaba0705039677c6fda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99c7ac6d3cbffbcd996f70f9e5673f8c07ce67c9869e62073fcc8cb313c10e3b
[INFO] running `Command { std: "docker" "start" "-a" "99c7ac6d3cbffbcd996f70f9e5673f8c07ce67c9869e62073fcc8cb313c10e3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling serde_test v1.0.130
[INFO] [stderr]    Compiling slab v0.4.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 17.33s
[INFO] running `Command { std: "docker" "inspect" "99c7ac6d3cbffbcd996f70f9e5673f8c07ce67c9869e62073fcc8cb313c10e3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99c7ac6d3cbffbcd996f70f9e5673f8c07ce67c9869e62073fcc8cb313c10e3b", kill_on_drop: false }`
[INFO] [stdout] 99c7ac6d3cbffbcd996f70f9e5673f8c07ce67c9869e62073fcc8cb313c10e3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f87f58ea4387ff3a1a55f6e6af7b175ee8095c5d099a7253e3c431456747af6b
[INFO] running `Command { std: "docker" "start" "-a" "f87f58ea4387ff3a1a55f6e6af7b175ee8095c5d099a7253e3c431456747af6b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/slab-1116fe9e3b303459)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/serde.rs (/opt/rustwide/target/debug/deps/serde-a44d43d521d9d889)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/slab.rs (/opt/rustwide/target/debug/deps/slab-31e800b8dde8193d)
[INFO] [stdout] 
[INFO] [stdout] running 42 tests
[INFO] [stdout] test clear ... ok
[INFO] [stdout] test compact_doesnt_move_if_closure_errors ... ok
[INFO] [stdout] test compact_empty ... ok
[INFO] [stdout] test compact_moves_successfully ... ok
[INFO] [stdout] test compact_no_moves_needed ... ok
[INFO] [stdout] test drain_rev ... ok
[INFO] [stdout] test from_iterator_new_in_order ... ok
[INFO] [stdout] test from_iterator_sorted ... ok
[INFO] [stdout] test from_iterator_unordered ... ok
[INFO] [stdout] test from_iterator_issue_100 ... ok
[INFO] [stdout] test get_vacant_entry_without_using ... ok
[INFO] [stdout] test fully_consumed_drain ... 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 double_remove_panics - should panic ... ok
[INFO] [stdout] test into_iter ... ok
[INFO] [stdout] test compact_handles_closure_panic ... ok
[INFO] [stdout] test insert_with_vacant_entry ... ok
[INFO] [stdout] test into_iter_rev ... ok
[INFO] [stdout] test invalid_get_panics - should panic ... ok
[INFO] [stdout] test key_of_layout_optimizable ... ok
[INFO] [stdout] test iter_mut ... ok
[INFO] [stdout] test iter_rev ... ok
[INFO] [stdout] test iter ... ok
[INFO] [stdout] test iter_mut_rev ... ok
[INFO] [stdout] test key_of_zst ... ok
[INFO] [stdout] test partially_consumed_drain ... ok
[INFO] [stdout] test key_of_tagged ... ok
[INFO] [stdout] test invalid_remove_panics - should panic ... ok
[INFO] [stdout] test reserve_does_not_allocate_if_available ... ok
[INFO] [stdout] test reserve_exact_does_not_allocate_if_available ... ok
[INFO] [stdout] test reserve_does_panic_with_capacity_overflow - should panic ... ok
[INFO] [stdout] test reserve_exact_does_panic_with_capacity_overflow - should panic ... ok
[INFO] [stdout] test invalid_get_mut_panics - should panic ... ok
[INFO] [stdout] test retain ... ok
[INFO] [stdout] test shrink_to_fit_empty ... ok
[INFO] [stdout] test shrink_to_fit_doesnt_move ... ok
[INFO] [stdout] test slab_get_mut ... ok
[INFO] [stdout] test try_remove ... ok
[INFO] [stdout] test shrink_to_fit_no_vacant ... ok
[INFO] [stdout] test shrink_to_fit_doesnt_recreate_list_when_nothing_can_be_done ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 42 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests slab
[INFO] [stdout] 
[INFO] [stdout] running 37 tests
[INFO] [stdout] test src/lib.rs - (line 50) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::remove (line 1013) ... ok
[INFO] [stdout] test src/lib.rs - VacantEntry::insert (line 1325) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::get (line 658) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::key_of (line 857) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::iter (line 597) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::capacity (line 271) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::reserve (line 299) ... ok
[INFO] [stdout] test src/lib.rs - VacantEntry::key (line 1355) ... ok
[INFO] [stdout] test src/lib.rs - (line 71) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::get2_unchecked_mut (line 820) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::key_of (line 869) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T> (line 1186) ... ok
[INFO] [stdout] test src/lib.rs - (line 33) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::insert (line 906) ... ok
[INFO] [stdout] test src/lib.rs - VacantEntry (line 156) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::shrink_to_fit (line 375) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::compact (line 451) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::try_remove (line 973) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::get_unchecked (line 757) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::new (line 224) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::get_mut (line 680) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::clear (line 537) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::get2_mut (line 708) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::reserve_exact (line 333) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::iter_mut (line 628) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::shrink_to_fit (line 360) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::with_capacity (line 244) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::vacant_entry (line 928) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::retain (line 1056) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::get_unchecked_mut (line 786) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T> (line 1198) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::is_empty (line 576) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::drain (line 1096) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::compact (line 468) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::len (line 558) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::contains (line 1030) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 37 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.44s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f87f58ea4387ff3a1a55f6e6af7b175ee8095c5d099a7253e3c431456747af6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f87f58ea4387ff3a1a55f6e6af7b175ee8095c5d099a7253e3c431456747af6b", kill_on_drop: false }`
[INFO] [stdout] f87f58ea4387ff3a1a55f6e6af7b175ee8095c5d099a7253e3c431456747af6b