[INFO] fetching crate cargo-mutants 24.9.0...
[INFO] checking cargo-mutants-24.9.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate cargo-mutants 24.9.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate cargo-mutants 24.9.0 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 cargo-mutants 24.9.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate cargo-mutants 24.9.0
[INFO] tweaked toml for crates.io crate cargo-mutants 24.9.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate cargo-mutants 24.9.0 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] f7b54ce94e813ad8fcb0f70fcbb90c656060f4d402f0202e75472ec82bd89615
[INFO] running `Command { std: "docker" "start" "-a" "f7b54ce94e813ad8fcb0f70fcbb90c656060f4d402f0202e75472ec82bd89615", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7b54ce94e813ad8fcb0f70fcbb90c656060f4d402f0202e75472ec82bd89615", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7b54ce94e813ad8fcb0f70fcbb90c656060f4d402f0202e75472ec82bd89615", kill_on_drop: false }`
[INFO] [stdout] f7b54ce94e813ad8fcb0f70fcbb90c656060f4d402f0202e75472ec82bd89615
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 915c862a6efeacc6b2c3e41bf173ceb626bb181f19fb5e19ca423833927eefec
[INFO] running `Command { std: "docker" "start" "-a" "915c862a6efeacc6b2c3e41bf173ceb626bb181f19fb5e19ca423833927eefec", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.74
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[INFO] [stderr]     Checking cargo-mutants v24.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/mutate.rs:186:67
[INFO] [stdout]     |
[INFO] [stdout] 186 |     pub fn apply<'a>(&'a self, build_dir: &'a BuildDir) -> Result<AppliedMutant> {
[INFO] [stdout]     |                  -- lifetime `'a` declared here                   ^^^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/mutate.rs:186:67
[INFO] [stdout]     |
[INFO] [stdout] 186 |     pub fn apply<'a>(&'a self, build_dir: &'a BuildDir) -> Result<AppliedMutant> {
[INFO] [stdout]     |                  -- lifetime `'a` declared here                   ^^^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.16s
[INFO] running `Command { std: "docker" "inspect" "915c862a6efeacc6b2c3e41bf173ceb626bb181f19fb5e19ca423833927eefec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "915c862a6efeacc6b2c3e41bf173ceb626bb181f19fb5e19ca423833927eefec", kill_on_drop: false }`
[INFO] [stdout] 915c862a6efeacc6b2c3e41bf173ceb626bb181f19fb5e19ca423833927eefec