[INFO] fetching crate impc 0.2.2...
[INFO] checking impc-0.2.2 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate impc 0.2.2 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate impc 0.2.2 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 impc 0.2.2
[INFO] finished tweaking crates.io crate impc 0.2.2
[INFO] tweaked toml for crates.io crate impc 0.2.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate impc 0.2.2 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 5c2c75cfb69dc6cbaef09c65317a88feee249ba7aefc2ec1324cb22dec826129
[INFO] running `Command { std: "docker" "start" "-a" "5c2c75cfb69dc6cbaef09c65317a88feee249ba7aefc2ec1324cb22dec826129", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c2c75cfb69dc6cbaef09c65317a88feee249ba7aefc2ec1324cb22dec826129", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c2c75cfb69dc6cbaef09c65317a88feee249ba7aefc2ec1324cb22dec826129", kill_on_drop: false }`
[INFO] [stdout] 5c2c75cfb69dc6cbaef09c65317a88feee249ba7aefc2ec1324cb22dec826129
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] be13c5e221248e7b6559787b3be07dd89d8da8788f5dd450d180a90279464ecc
[INFO] running `Command { std: "docker" "start" "-a" "be13c5e221248e7b6559787b3be07dd89d8da8788f5dd450d180a90279464ecc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.82
[INFO] [stderr]    Compiling serde v1.0.201
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling cc v1.0.97
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]    Compiling anyhow v1.0.83
[INFO] [stderr]    Compiling thiserror v1.0.60
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking brownstone v3.0.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.61
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking indent_write v2.2.0
[INFO] [stderr]     Checking joinery v2.1.0
[INFO] [stderr]     Checking num-bigint v0.4.5
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]     Checking nom-supreme v0.8.0
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]    Compiling serde_derive v1.0.201
[INFO] [stderr]    Compiling thiserror-impl v1.0.60
[INFO] [stderr]     Checking better-panic v0.3.0
[INFO] [stderr]     Checking argh_shared v0.1.12
[INFO] [stderr]    Compiling argh_derive v0.1.12
[INFO] [stderr]     Checking argh v0.1.12
[INFO] [stderr]     Checking impc v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/parser/util.rs:50:70
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn token<'tok, 'src, T, E>(t: &'tok T) -> impl Parser<&'src [T], &T, E> + Clone
[INFO] [stdout]    |              ---- lifetime `'tok` declared here                      ^ this elided lifetime gets resolved as `'tok`
[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/parser/util.rs:50:70
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn token<'tok, 'src, T, E>(t: &'tok T) -> impl Parser<&'src [T], &T, E> + Clone
[INFO] [stdout]    |              ---- lifetime `'tok` declared here                      ^ this elided lifetime gets resolved as `'tok`
[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 27.96s
[INFO] running `Command { std: "docker" "inspect" "be13c5e221248e7b6559787b3be07dd89d8da8788f5dd450d180a90279464ecc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be13c5e221248e7b6559787b3be07dd89d8da8788f5dd450d180a90279464ecc", kill_on_drop: false }`
[INFO] [stdout] be13c5e221248e7b6559787b3be07dd89d8da8788f5dd450d180a90279464ecc