[INFO] fetching crate finny 0.1.1...
[INFO] checking finny-0.1.1 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate finny 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate finny 0.1.1 on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded finny_derive v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b94da415afaf1c431927f7e1850830c562fe9aa46ee3a0de692f664fa1a8e19
[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" "9b94da415afaf1c431927f7e1850830c562fe9aa46ee3a0de692f664fa1a8e19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b94da415afaf1c431927f7e1850830c562fe9aa46ee3a0de692f664fa1a8e19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b94da415afaf1c431927f7e1850830c562fe9aa46ee3a0de692f664fa1a8e19", kill_on_drop: false }`
[INFO] [stdout] 9b94da415afaf1c431927f7e1850830c562fe9aa46ee3a0de692f664fa1a8e19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c8e998c25353761763c97eb767ad28c8ef448260b3d10d36ccae19a8f336195
[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" "1c8e998c25353761763c97eb767ad28c8ef448260b3d10d36ccae19a8f336195", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling arraydeque v0.4.5
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling finny_derive v0.1.0
[INFO] [stderr]    Compiling derive_more v0.99.14
[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: 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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.16s
[INFO] running `Command { std: "docker" "inspect" "1c8e998c25353761763c97eb767ad28c8ef448260b3d10d36ccae19a8f336195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c8e998c25353761763c97eb767ad28c8ef448260b3d10d36ccae19a8f336195", kill_on_drop: false }`
[INFO] [stdout] 1c8e998c25353761763c97eb767ad28c8ef448260b3d10d36ccae19a8f336195