[INFO] fetching crate finny 0.1.1...
[INFO] checking finny-0.1.1 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate finny 0.1.1 into /workspace/builds/worker-81/source
[INFO] validating manifest of crates.io crate finny 0.1.1 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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-81/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 746cf5a0cf12c72efecf40fd9eea47417ef8fa251b336a5cf566010b1d1d123f
[INFO] running `Command { std: "docker" "start" "-a" "746cf5a0cf12c72efecf40fd9eea47417ef8fa251b336a5cf566010b1d1d123f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "746cf5a0cf12c72efecf40fd9eea47417ef8fa251b336a5cf566010b1d1d123f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "746cf5a0cf12c72efecf40fd9eea47417ef8fa251b336a5cf566010b1d1d123f", kill_on_drop: false }`
[INFO] [stdout] 746cf5a0cf12c72efecf40fd9eea47417ef8fa251b336a5cf566010b1d1d123f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c785ceab898319a002a5e964430450a9bb78a63833897ff9744f778e8757e660
[INFO] running `Command { std: "docker" "start" "-a" "c785ceab898319a002a5e964430450a9bb78a63833897ff9744f778e8757e660", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling arraydeque v0.4.5
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling finny_derive v0.1.0
[INFO] [stderr]    Compiling derive_more v0.99.16
[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 16.51s
[INFO] running `Command { std: "docker" "inspect" "c785ceab898319a002a5e964430450a9bb78a63833897ff9744f778e8757e660", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c785ceab898319a002a5e964430450a9bb78a63833897ff9744f778e8757e660", kill_on_drop: false }`
[INFO] [stdout] c785ceab898319a002a5e964430450a9bb78a63833897ff9744f778e8757e660