[INFO] fetching crate dirty-fsm 0.2.3...
[INFO] checking dirty-fsm-0.2.3 against master#36b61e5aa593cc60cc92fc548b0d351e414aee2a for pr-116930
[INFO] extracting crate dirty-fsm 0.2.3 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate dirty-fsm 0.2.3 on toolchain 36b61e5aa593cc60cc92fc548b0d351e414aee2a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b61e5aa593cc60cc92fc548b0d351e414aee2a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dirty-fsm 0.2.3
[INFO] finished tweaking crates.io crate dirty-fsm 0.2.3
[INFO] tweaked toml for crates.io crate dirty-fsm 0.2.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b61e5aa593cc60cc92fc548b0d351e414aee2a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b61e5aa593cc60cc92fc548b0d351e414aee2a" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded puffin v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+36b61e5aa593cc60cc92fc548b0d351e414aee2a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8c2355b257900108452618db9dc55a9077e40b26726ab0ebd32b76ce0d3ebb2
[INFO] running `Command { std: "docker" "start" "-a" "d8c2355b257900108452618db9dc55a9077e40b26726ab0ebd32b76ce0d3ebb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8c2355b257900108452618db9dc55a9077e40b26726ab0ebd32b76ce0d3ebb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8c2355b257900108452618db9dc55a9077e40b26726ab0ebd32b76ce0d3ebb2", kill_on_drop: false }`
[INFO] [stdout] d8c2355b257900108452618db9dc55a9077e40b26726ab0ebd32b76ce0d3ebb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+36b61e5aa593cc60cc92fc548b0d351e414aee2a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4735d7261467b967ef502c7636e57bbfeeb92e931b076047d6657129f6b78f65
[INFO] running `Command { std: "docker" "start" "-a" "4735d7261467b967ef502c7636e57bbfeeb92e931b076047d6657129f6b78f65", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking dirty-fsm v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `sync::Arc`
[INFO] [stdout]  --> src/test.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{cell::RefCell, sync::Arc};
[INFO] [stdout]   |                          ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `context`
[INFO] [stdout]   --> src/test.rs:28:32
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn on_first_run(&mut self, context: &RefCell<Ctx>) -> Result<(), ()> {
[INFO] [stdout]    |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_context`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delta`
[INFO] [stdout]   --> src/test.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         delta: &chrono::Duration,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_delta`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `context`
[INFO] [stdout]   --> src/test.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         context: &RefCell<Ctx>,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_context`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `interrupted`
[INFO] [stdout]   --> src/test.rs:42:29
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn on_finish(&mut self, interrupted: bool) -> Result<(), ()> {
[INFO] [stdout]    |                             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interrupted`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `context`
[INFO] [stdout]   --> src/test.rs:57:32
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn on_first_run(&mut self, context: &RefCell<Ctx>) -> Result<(), ()> {
[INFO] [stdout]    |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_context`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delta`
[INFO] [stdout]   --> src/test.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         delta: &chrono::Duration,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_delta`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `interrupted`
[INFO] [stdout]   --> src/test.rs:72:29
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn on_finish(&mut self, interrupted: bool) -> Result<(), ()> {
[INFO] [stdout]    |                             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interrupted`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.02s
[INFO] running `Command { std: "docker" "inspect" "4735d7261467b967ef502c7636e57bbfeeb92e931b076047d6657129f6b78f65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4735d7261467b967ef502c7636e57bbfeeb92e931b076047d6657129f6b78f65", kill_on_drop: false }`
[INFO] [stdout] 4735d7261467b967ef502c7636e57bbfeeb92e931b076047d6657129f6b78f65