[INFO] crate slice-pool 0.4.1 is already in cache
[INFO] testing slice-pool-0.4.1 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate slice-pool 0.4.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate slice-pool 0.4.1 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slice-pool 0.4.1
[INFO] finished tweaking crates.io crate slice-pool 0.4.1
[INFO] tweaked toml for crates.io crate slice-pool 0.4.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", 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] a916ffbdc72c732219818adfdc01e60ccfc97b9917d4baa53b8f505ce0b37c87
[INFO] running `Command { std: "docker" "start" "-a" "a916ffbdc72c732219818adfdc01e60ccfc97b9917d4baa53b8f505ce0b37c87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a916ffbdc72c732219818adfdc01e60ccfc97b9917d4baa53b8f505ce0b37c87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a916ffbdc72c732219818adfdc01e60ccfc97b9917d4baa53b8f505ce0b37c87", kill_on_drop: false }`
[INFO] [stdout] a916ffbdc72c732219818adfdc01e60ccfc97b9917d4baa53b8f505ce0b37c87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28c1c526aebe01e6c4eac7c2080d169279821355b8c0b54901eb3f214c2c30e7
[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" "28c1c526aebe01e6c4eac7c2080d169279821355b8c0b54901eb3f214c2c30e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling slice-pool v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sync/owned.rs:20:14
[INFO] [stdout]    |
[INFO] [stdout] 20 |   slice: Arc<Sliceable<T>>,
[INFO] [stdout]    |              ^^^^^^^^^^^^ help: use `dyn`: `dyn Sliceable<T>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sync/owned.rs:72:14
[INFO] [stdout]    |
[INFO] [stdout] 72 |   slice: Arc<Sliceable<T>>,
[INFO] [stdout]    |              ^^^^^^^^^^^^ help: use `dyn`: `dyn Sliceable<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/unsync/owned.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |   slice: Rc<Sliceable<T>>,
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: use `dyn`: `dyn Sliceable<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/unsync/owned.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |   slice: Rc<Sliceable<T>>,
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: use `dyn`: `dyn Sliceable<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "28c1c526aebe01e6c4eac7c2080d169279821355b8c0b54901eb3f214c2c30e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28c1c526aebe01e6c4eac7c2080d169279821355b8c0b54901eb3f214c2c30e7", kill_on_drop: false }`
[INFO] [stdout] 28c1c526aebe01e6c4eac7c2080d169279821355b8c0b54901eb3f214c2c30e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fa509659c0be2eb12447ef80229b1edd187bba869deddcd3812ceae2b1ccde8
[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" "3fa509659c0be2eb12447ef80229b1edd187bba869deddcd3812ceae2b1ccde8", kill_on_drop: false }`
[INFO] [stderr]    Compiling slice-pool v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sync/owned.rs:20:14
[INFO] [stdout]    |
[INFO] [stdout] 20 |   slice: Arc<Sliceable<T>>,
[INFO] [stdout]    |              ^^^^^^^^^^^^ help: use `dyn`: `dyn Sliceable<T>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sync/owned.rs:72:14
[INFO] [stdout]    |
[INFO] [stdout] 72 |   slice: Arc<Sliceable<T>>,
[INFO] [stdout]    |              ^^^^^^^^^^^^ help: use `dyn`: `dyn Sliceable<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/unsync/owned.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |   slice: Rc<Sliceable<T>>,
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: use `dyn`: `dyn Sliceable<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/unsync/owned.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |   slice: Rc<Sliceable<T>>,
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: use `dyn`: `dyn Sliceable<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sync/owned.rs:20:14
[INFO] [stdout]    |
[INFO] [stdout] 20 |   slice: Arc<Sliceable<T>>,
[INFO] [stdout]    |              ^^^^^^^^^^^^ help: use `dyn`: `dyn Sliceable<T>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sync/owned.rs:72:14
[INFO] [stdout]    |
[INFO] [stdout] 72 |   slice: Arc<Sliceable<T>>,
[INFO] [stdout]    |              ^^^^^^^^^^^^ help: use `dyn`: `dyn Sliceable<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/unsync/owned.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |   slice: Rc<Sliceable<T>>,
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: use `dyn`: `dyn Sliceable<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/unsync/owned.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |   slice: Rc<Sliceable<T>>,
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: use `dyn`: `dyn Sliceable<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "3fa509659c0be2eb12447ef80229b1edd187bba869deddcd3812ceae2b1ccde8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fa509659c0be2eb12447ef80229b1edd187bba869deddcd3812ceae2b1ccde8", kill_on_drop: false }`
[INFO] [stdout] 3fa509659c0be2eb12447ef80229b1edd187bba869deddcd3812ceae2b1ccde8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c1a9d22a8a3f47fb8c8ab68bff04029a44a142ebf2d84825f6e58514005e5fd4
[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" "c1a9d22a8a3f47fb8c8ab68bff04029a44a142ebf2d84825f6e58514005e5fd4", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] running 5 tests
[INFO] [stderr]   --> src/sync/owned.rs:20:14
[INFO] [stdout] test sync::owned::tests::pool_owned_lifetime ... ok
[INFO] [stderr]    |
[INFO] [stdout] test sync::owned::tests::pool_fragmentation ... ok
[INFO] [stderr] 20 |   slice: Arc<Sliceable<T>>,
[INFO] [stdout] test unsync::owned::tests::pool_owned_lifetime ... ok
[INFO] [stderr]    |              ^^^^^^^^^^^^ help: use `dyn`: `dyn Sliceable<T>`
[INFO] [stdout] test sync::owned::tests::pool_owned_thread ... ok
[INFO] [stderr]    |
[INFO] [stdout] test unsync::owned::tests::pool_fragmentation ... ok
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] 
[INFO] [stderr]   --> src/sync/owned.rs:72:14
[INFO] [stderr]    |
[INFO] [stderr] 72 |   slice: Arc<Sliceable<T>>,
[INFO] [stderr]    |              ^^^^^^^^^^^^ help: use `dyn`: `dyn Sliceable<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/unsync/owned.rs:15:13
[INFO] [stderr]    |
[INFO] [stderr] 15 |   slice: Rc<Sliceable<T>>,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: use `dyn`: `dyn Sliceable<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/unsync/owned.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 67 |   slice: Rc<Sliceable<T>>,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: use `dyn`: `dyn Sliceable<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sync/owned.rs:20:14
[INFO] [stderr]    |
[INFO] [stderr] 20 |   slice: Arc<Sliceable<T>>,
[INFO] [stderr]    |              ^^^^^^^^^^^^ help: use `dyn`: `dyn Sliceable<T>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sync/owned.rs:72:14
[INFO] [stderr]    |
[INFO] [stderr] 72 |   slice: Arc<Sliceable<T>>,
[INFO] [stderr]    |              ^^^^^^^^^^^^ help: use `dyn`: `dyn Sliceable<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/unsync/owned.rs:15:13
[INFO] [stderr]    |
[INFO] [stderr] 15 |   slice: Rc<Sliceable<T>>,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: use `dyn`: `dyn Sliceable<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/unsync/owned.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 67 |   slice: Rc<Sliceable<T>>,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: use `dyn`: `dyn Sliceable<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/slice_pool-bfd57e308be437a3
[INFO] [stderr]    Doc-tests slice-pool
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c1a9d22a8a3f47fb8c8ab68bff04029a44a142ebf2d84825f6e58514005e5fd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1a9d22a8a3f47fb8c8ab68bff04029a44a142ebf2d84825f6e58514005e5fd4", kill_on_drop: false }`
[INFO] [stdout] c1a9d22a8a3f47fb8c8ab68bff04029a44a142ebf2d84825f6e58514005e5fd4