[INFO] fetching crate gasket 0.8.0...
[INFO] checking gasket-0.8.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate gasket 0.8.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate gasket 0.8.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gasket 0.8.0
[INFO] finished tweaking crates.io crate gasket 0.8.0
[INFO] tweaked toml for crates.io crate gasket 0.8.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate gasket 0.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13c179515781f925d855bc421cf51db757787bcd481fd5207e46a520b3b873fc
[INFO] running `Command { std: "docker" "start" "-a" "13c179515781f925d855bc421cf51db757787bcd481fd5207e46a520b3b873fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13c179515781f925d855bc421cf51db757787bcd481fd5207e46a520b3b873fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13c179515781f925d855bc421cf51db757787bcd481fd5207e46a520b3b873fc", kill_on_drop: false }`
[INFO] [stdout] 13c179515781f925d855bc421cf51db757787bcd481fd5207e46a520b3b873fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32d8842c887aaeef72828b872daac02917b2f7b23f1943c4b06a5d1dfa9da17a
[INFO] running `Command { std: "docker" "start" "-a" "32d8842c887aaeef72828b872daac02917b2f7b23f1943c4b06a5d1dfa9da17a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling thiserror v1.0.59
[INFO] [stderr]    Compiling serde v1.0.200
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.59
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.200
[INFO] [stderr]    Compiling async-trait v0.1.80
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking gasket v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> examples/dumb.rs:92:11
[INFO] [stdout]    |
[INFO] [stdout] 92 |     Timer(Instant),
[INFO] [stdout]    |     ----- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 92 |     Timer(()),
[INFO] [stdout]    |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.02s
[INFO] running `Command { std: "docker" "inspect" "32d8842c887aaeef72828b872daac02917b2f7b23f1943c4b06a5d1dfa9da17a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32d8842c887aaeef72828b872daac02917b2f7b23f1943c4b06a5d1dfa9da17a", kill_on_drop: false }`
[INFO] [stdout] 32d8842c887aaeef72828b872daac02917b2f7b23f1943c4b06a5d1dfa9da17a