[INFO] fetching crate operational 0.0.5...
[INFO] checking operational-0.0.5 against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] extracting crate operational 0.0.5 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate operational 0.0.5 on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "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] a2b43dce4fb0632ff5d1b69eada82f21f3caa41869ec3b1c88b9adfcff158300
[INFO] running `Command { std: "docker" "start" "-a" "a2b43dce4fb0632ff5d1b69eada82f21f3caa41869ec3b1c88b9adfcff158300", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2b43dce4fb0632ff5d1b69eada82f21f3caa41869ec3b1c88b9adfcff158300", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2b43dce4fb0632ff5d1b69eada82f21f3caa41869ec3b1c88b9adfcff158300", kill_on_drop: false }`
[INFO] [stdout] a2b43dce4fb0632ff5d1b69eada82f21f3caa41869ec3b1c88b9adfcff158300
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7934fbdbbade4275deb4ffe8eea73e77dafa8f64539143b53b007ffcc9db907d
[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" "7934fbdbbade4275deb4ffe8eea73e77dafa8f64539143b53b007ffcc9db907d", 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: 2 warnings emitted
[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 0.63s
[INFO] running `Command { std: "docker" "inspect" "7934fbdbbade4275deb4ffe8eea73e77dafa8f64539143b53b007ffcc9db907d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7934fbdbbade4275deb4ffe8eea73e77dafa8f64539143b53b007ffcc9db907d", kill_on_drop: false }`
[INFO] [stdout] 7934fbdbbade4275deb4ffe8eea73e77dafa8f64539143b53b007ffcc9db907d