[INFO] fetching crate operational 0.0.5...
[INFO] checking operational-0.0.5 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate operational 0.0.5 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate operational 0.0.5 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate operational 0.0.5
[INFO] finished tweaking crates.io crate operational 0.0.5
[INFO] tweaked toml for crates.io crate operational 0.0.5 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6520ba6707b3694e09f3a04dd44dfa4f5b8c5b1b66fd0e13cb8900c96bb29bc
[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" "b6520ba6707b3694e09f3a04dd44dfa4f5b8c5b1b66fd0e13cb8900c96bb29bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6520ba6707b3694e09f3a04dd44dfa4f5b8c5b1b66fd0e13cb8900c96bb29bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6520ba6707b3694e09f3a04dd44dfa4f5b8c5b1b66fd0e13cb8900c96bb29bc", kill_on_drop: false }`
[INFO] [stdout] b6520ba6707b3694e09f3a04dd44dfa4f5b8c5b1b66fd0e13cb8900c96bb29bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] e8c59747363c13cebff6cbbfad7a468055f20e35d9e496a6026bf4021a98248e
[INFO] running `Command { std: "docker" "start" "-a" "e8c59747363c13cebff6cbbfad7a468055f20e35d9e496a6026bf4021a98248e", kill_on_drop: false }`
[INFO] [stderr]     Checking operational v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/kleisli.rs:11:25
[INFO] [stdout]    |
[INFO] [stdout] 11 |     deque: VecDeque<Box<Fn(Box<()>) -> Program<'a, I, ()> + 'a>>
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Box<()>) -> Program<'a, I, ()> + 'a`
[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/kleisli.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     -> Box<Fn(Box<()>) -> Program<'a, I, ()> + 'a> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Box<()>) -> Program<'a, I, ()> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/kleisli.rs:11:25
[INFO] [stdout]    |
[INFO] [stdout] 11 |     deque: VecDeque<Box<Fn(Box<()>) -> Program<'a, I, ()> + 'a>>
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Box<()>) -> Program<'a, I, ()> + 'a`
[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/kleisli.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     -> Box<Fn(Box<()>) -> Program<'a, I, ()> + 'a> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Box<()>) -> Program<'a, I, ()> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e8c59747363c13cebff6cbbfad7a468055f20e35d9e496a6026bf4021a98248e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8c59747363c13cebff6cbbfad7a468055f20e35d9e496a6026bf4021a98248e", kill_on_drop: false }`
[INFO] [stdout] e8c59747363c13cebff6cbbfad7a468055f20e35d9e496a6026bf4021a98248e