[INFO] fetching crate slots 0.3.1...
[INFO] testing slots-0.3.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate slots 0.3.1 into /workspace/builds/worker-24/source
[INFO] validating manifest of crates.io crate slots 0.3.1 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slots 0.3.1
[INFO] finished tweaking crates.io crate slots 0.3.1
[INFO] tweaked toml for crates.io crate slots 0.3.1 written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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" "+1.59.0" "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-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfd7ea0da484f81429dcc02af57bca0cd674448994e0a87c19436406cd36bf79
[INFO] running `Command { std: "docker" "start" "-a" "bfd7ea0da484f81429dcc02af57bca0cd674448994e0a87c19436406cd36bf79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfd7ea0da484f81429dcc02af57bca0cd674448994e0a87c19436406cd36bf79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfd7ea0da484f81429dcc02af57bca0cd674448994e0a87c19436406cd36bf79", kill_on_drop: false }`
[INFO] [stdout] bfd7ea0da484f81429dcc02af57bca0cd674448994e0a87c19436406cd36bf79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e49e74f15de5c6c237c9a0f6782aab17f6adda8e5e0d9e0c53a78846ebdb47cc
[INFO] running `Command { std: "docker" "start" "-a" "e49e74f15de5c6c237c9a0f6782aab17f6adda8e5e0d9e0c53a78846ebdb47cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling slots v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown `doc` attribute `hide`
[INFO] [stdout]  --> src/private.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[doc(hide)]
[INFO] [stdout]   |       ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(invalid_doc_attributes)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "e49e74f15de5c6c237c9a0f6782aab17f6adda8e5e0d9e0c53a78846ebdb47cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e49e74f15de5c6c237c9a0f6782aab17f6adda8e5e0d9e0c53a78846ebdb47cc", kill_on_drop: false }`
[INFO] [stdout] e49e74f15de5c6c237c9a0f6782aab17f6adda8e5e0d9e0c53a78846ebdb47cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 057a3a1d5484bb323d184b1e3f1f4ae4a7c1d04622debd6131aca719c50fccea
[INFO] running `Command { std: "docker" "start" "-a" "057a3a1d5484bb323d184b1e3f1f4ae4a7c1d04622debd6131aca719c50fccea", kill_on_drop: false }`
[INFO] [stderr]    Compiling slots v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown `doc` attribute `hide`
[INFO] [stdout]  --> src/private.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[doc(hide)]
[INFO] [stdout]   |       ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(invalid_doc_attributes)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown `doc` attribute `hide`
[INFO] [stdout]  --> src/private.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[doc(hide)]
[INFO] [stdout]   |       ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(invalid_doc_attributes)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "057a3a1d5484bb323d184b1e3f1f4ae4a7c1d04622debd6131aca719c50fccea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "057a3a1d5484bb323d184b1e3f1f4ae4a7c1d04622debd6131aca719c50fccea", kill_on_drop: false }`
[INFO] [stdout] 057a3a1d5484bb323d184b1e3f1f4ae4a7c1d04622debd6131aca719c50fccea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b0186f812168b9decf9d71162c6c88e09ca4014d06390981aa378decc9ee75f6
[INFO] running `Command { std: "docker" "start" "-a" "b0186f812168b9decf9d71162c6c88e09ca4014d06390981aa378decc9ee75f6", kill_on_drop: false }`
[INFO] [stderr] warning: unknown `doc` attribute `hide`
[INFO] [stderr]  --> src/private.rs:4:7
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[doc(hide)]
[INFO] [stderr]   |       ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(invalid_doc_attributes)]` on by default
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = note: for more information, see issue #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stderr] 
[INFO] [stderr] warning: `slots` (lib) generated 1 warning
[INFO] [stderr] warning: `slots` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/slots-bb83984c076fe593)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test iterator::iter_test::sanity_check ... ok
[INFO] [stdout] test iterator::iter_test::test_mut ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-f56c649def0f2a50)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test cant_read_outside_bounds ... ok
[INFO] [stdout] test capacity_and_count ... ok
[INFO] [stdout] test elements_can_be_modified_using_key ... ok
[INFO] [stdout] test index_can_be_used_to_read_value ... ok
[INFO] [stdout] test key_can_be_used_to_read_value ... ok
[INFO] [stdout] test size_can_be_1 ... ok
[INFO] [stdout] test store_returns_err_when_full ... ok
[INFO] [stdout] test trying_to_read_deleted_element_returns_none ... ok
[INFO] [stdout] test trying_to_read_missing_element_returns_none ... ok
[INFO] [stdout] test zero_sized_collection ... ok
[INFO] [stdout] test is_compact - should panic ... ok
[INFO] [stdout] test use_across_slots_verify - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stderr]    Doc-tests slots
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test src/slots.rs - slots (line 122) ... ok
[INFO] [stdout] test src/unrestricted.rs - unrestricted::UnrestrictedSlots<IT,N>::is_full (line 162) ... ok
[INFO] [stdout] test src/unrestricted.rs - unrestricted::UnrestrictedSlots<IT,N>::read (line 246) ... ok
[INFO] [stdout] test src/slots.rs - slots (line 105) ... ok
[INFO] [stdout] test src/unrestricted.rs - unrestricted::UnrestrictedSlots<IT,N>::capacity (line 131) ... ok
[INFO] [stdout] test src/slots.rs - slots::Slots<IT,N>::read (line 315) ... ok
[INFO] [stdout] test src/slots.rs - slots::Slots<IT,N>::try_read (line 340) ... ok
[INFO] [stdout] test src/unrestricted.rs - unrestricted::UnrestrictedSlots<IT,N>::modify (line 281) ... ok
[INFO] [stdout] test src/slots.rs - slots (line 16) ... ok
[INFO] [stdout] test src/unrestricted.rs - unrestricted (line 21) ... ok
[INFO] [stdout] test src/slots.rs - slots::Slots<IT,N>::count (line 258) ... ok
[INFO] [stdout] test src/slots.rs - slots (line 43) ... ok
[INFO] [stdout] test src/slots.rs - slots::Slots<IT,N>::capacity (line 245) ... ok
[INFO] [stdout] test src/slots.rs - slots::Slots<IT,N>::modify (line 367) ... ok
[INFO] [stdout] test src/unrestricted.rs - unrestricted::UnrestrictedSlots<IT,N>::iter_mut (line 111) ... ok
[INFO] [stdout] test src/slots.rs - slots::Slots<IT,N>::is_full (line 276) ... ok
[INFO] [stdout] test src/slots.rs - slots::Slots<IT,N>::iter (line 221) ... ok
[INFO] [stdout] test src/unrestricted.rs - unrestricted::UnrestrictedSlots<IT,N>::iter (line 92) ... ok
[INFO] [stdout] test src/unrestricted.rs - unrestricted::UnrestrictedSlots<IT,N>::count (line 144) ... ok
[INFO] [stdout] test src/slots.rs - slots (line 79) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.18s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b0186f812168b9decf9d71162c6c88e09ca4014d06390981aa378decc9ee75f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0186f812168b9decf9d71162c6c88e09ca4014d06390981aa378decc9ee75f6", kill_on_drop: false }`
[INFO] [stdout] b0186f812168b9decf9d71162c6c88e09ca4014d06390981aa378decc9ee75f6