[INFO] fetching crate finny 0.1.1...
[INFO] checking finny-0.1.1 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate finny 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate finny 0.1.1 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate finny 0.1.1
[INFO] finished tweaking crates.io crate finny 0.1.1
[INFO] tweaked toml for crates.io crate finny 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ab5b542e3bf03e8b62cca340b0696a07c6f83a41bee7a990f6c1645865226a6
[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" "4ab5b542e3bf03e8b62cca340b0696a07c6f83a41bee7a990f6c1645865226a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ab5b542e3bf03e8b62cca340b0696a07c6f83a41bee7a990f6c1645865226a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ab5b542e3bf03e8b62cca340b0696a07c6f83a41bee7a990f6c1645865226a6", kill_on_drop: false }`
[INFO] [stdout] 4ab5b542e3bf03e8b62cca340b0696a07c6f83a41bee7a990f6c1645865226a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc681176819301122d72de6cc36f2497e823e6e01a420a49ed9b0a1c59df470e
[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" "fc681176819301122d72de6cc36f2497e823e6e01a420a49ed9b0a1c59df470e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling arraydeque v0.4.5
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling finny_derive v0.1.0
[INFO] [stderr]    Compiling derive_more v0.99.13
[INFO] [stderr]     Checking finny v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `state_a`
[INFO] [stdout]   --> src/fsm/tests_fsm.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     state_a: StateA
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `StateA`
[INFO] [stdout]   --> src/fsm/tests_fsm.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     StateA
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `state_a`
[INFO] [stdout]   --> src/fsm/tests_fsm.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     state_a: StateA
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `StateA`
[INFO] [stdout]   --> src/fsm/tests_fsm.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     StateA
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.84s
[INFO] running `Command { std: "docker" "inspect" "fc681176819301122d72de6cc36f2497e823e6e01a420a49ed9b0a1c59df470e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc681176819301122d72de6cc36f2497e823e6e01a420a49ed9b0a1c59df470e", kill_on_drop: false }`
[INFO] [stdout] fc681176819301122d72de6cc36f2497e823e6e01a420a49ed9b0a1c59df470e