[INFO] fetching crate tokkit 0.17.0...
[INFO] checking tokkit-0.17.0 against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393-1
[INFO] extracting crate tokkit 0.17.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate tokkit 0.17.0 on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokkit 0.17.0
[INFO] finished tweaking crates.io crate tokkit 0.17.0
[INFO] tweaked toml for crates.io crate tokkit 0.17.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "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" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 0fefbf73948fb507ebdb99435caa7856200ac9ba025a602cbacb47a94c71ecb8
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f74fed19e8e4672aac841cf6d291752b6c0bd2a8fa487ebefd099f517881bd9f
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[INFO] [stdout] warning: field `is_running` is never read
[INFO] [stdout]    --> src/token_manager/mod.rs:405:5
[INFO] [stdout]     |
[INFO] [stdout] 402 | pub struct AccessTokenSourceSync<T> {
[INFO] [stdout]     |            --------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 405 |     is_running: Arc<IsRunningGuard>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AccessTokenSourceSync` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `is_running` is never read
[INFO] [stdout]    --> src/token_manager/mod.rs:405:5
[INFO] [stdout]     |
[INFO] [stdout] 402 | pub struct AccessTokenSourceSync<T> {
[INFO] [stdout]     |            --------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 405 |     is_running: Arc<IsRunningGuard>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AccessTokenSourceSync` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.46s
[INFO] running `Command { std: "docker" "inspect" "f74fed19e8e4672aac841cf6d291752b6c0bd2a8fa487ebefd099f517881bd9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f74fed19e8e4672aac841cf6d291752b6c0bd2a8fa487ebefd099f517881bd9f", kill_on_drop: false }`
[INFO] [stdout] f74fed19e8e4672aac841cf6d291752b6c0bd2a8fa487ebefd099f517881bd9f