[INFO] fetching crate slice-pool 0.4.1...
[INFO] checking slice-pool-0.4.1 against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] extracting crate slice-pool 0.4.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate slice-pool 0.4.1 on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "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-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03c90e7962355b8e48fdc7bddbb43dec0313d18254a6d1eff5862e0cc7613df4
[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" "03c90e7962355b8e48fdc7bddbb43dec0313d18254a6d1eff5862e0cc7613df4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03c90e7962355b8e48fdc7bddbb43dec0313d18254a6d1eff5862e0cc7613df4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03c90e7962355b8e48fdc7bddbb43dec0313d18254a6d1eff5862e0cc7613df4", kill_on_drop: false }`
[INFO] [stdout] 03c90e7962355b8e48fdc7bddbb43dec0313d18254a6d1eff5862e0cc7613df4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5999b9ee91abc838611691d1fb69d5bba04e64d781cd499b8b1f8acb1535b94
[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" "d5999b9ee91abc838611691d1fb69d5bba04e64d781cd499b8b1f8acb1535b94", kill_on_drop: false }`
[INFO] [stderr]     Checking 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: 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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "d5999b9ee91abc838611691d1fb69d5bba04e64d781cd499b8b1f8acb1535b94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5999b9ee91abc838611691d1fb69d5bba04e64d781cd499b8b1f8acb1535b94", kill_on_drop: false }`
[INFO] [stdout] d5999b9ee91abc838611691d1fb69d5bba04e64d781cd499b8b1f8acb1535b94