[INFO] fetching crate slice-pool 0.4.1...
[INFO] checking slice-pool-0.4.1 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate slice-pool 0.4.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate slice-pool 0.4.1 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b6eb6aa6a2aebe934f8edc7db6690f1b7e39cec9a3de5bfae6f018e4b27bf6d
[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" "7b6eb6aa6a2aebe934f8edc7db6690f1b7e39cec9a3de5bfae6f018e4b27bf6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b6eb6aa6a2aebe934f8edc7db6690f1b7e39cec9a3de5bfae6f018e4b27bf6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b6eb6aa6a2aebe934f8edc7db6690f1b7e39cec9a3de5bfae6f018e4b27bf6d", kill_on_drop: false }`
[INFO] [stdout] 7b6eb6aa6a2aebe934f8edc7db6690f1b7e39cec9a3de5bfae6f018e4b27bf6d
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4f5da211c0f21ee0973ce65c38540fff0a6cc4cd78fd8d38b66b12f8ded39c7
[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" "d4f5da211c0f21ee0973ce65c38540fff0a6cc4cd78fd8d38b66b12f8ded39c7", 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 0.36s
[INFO] running `Command { std: "docker" "inspect" "d4f5da211c0f21ee0973ce65c38540fff0a6cc4cd78fd8d38b66b12f8ded39c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4f5da211c0f21ee0973ce65c38540fff0a6cc4cd78fd8d38b66b12f8ded39c7", kill_on_drop: false }`
[INFO] [stdout] d4f5da211c0f21ee0973ce65c38540fff0a6cc4cd78fd8d38b66b12f8ded39c7