[INFO] fetching crate mailchecker 4.0.8...
[INFO] checking mailchecker-4.0.8 against master#0a8629bff642c3c3b84bb644c0099194f063b627 for pr-86231
[INFO] extracting crate mailchecker 4.0.8 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mailchecker 4.0.8 on toolchain 0a8629bff642c3c3b84bb644c0099194f063b627
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mailchecker 4.0.8
[INFO] finished tweaking crates.io crate mailchecker 4.0.8
[INFO] tweaked toml for crates.io crate mailchecker 4.0.8 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate mailchecker 4.0.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 594052c5878092ee57922520acae20f23f9be09c8ffe3ed9eefead249acea913
[INFO] running `Command { std: "docker" "start" "-a" "594052c5878092ee57922520acae20f23f9be09c8ffe3ed9eefead249acea913", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "594052c5878092ee57922520acae20f23f9be09c8ffe3ed9eefead249acea913", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "594052c5878092ee57922520acae20f23f9be09c8ffe3ed9eefead249acea913", kill_on_drop: false }`
[INFO] [stdout] 594052c5878092ee57922520acae20f23f9be09c8ffe3ed9eefead249acea913
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f70735913a2887a86fd6bf1e5ee6f0b10ed21fcf0362934047e521408222c8db
[INFO] running `Command { std: "docker" "start" "-a" "f70735913a2887a86fd6bf1e5ee6f0b10ed21fcf0362934047e521408222c8db", kill_on_drop: false }`
[INFO] [stderr]     Checking ascii_utils v0.9.3
[INFO] [stderr]     Checking difference v1.0.0
[INFO] [stderr]     Checking fast_chemail v0.9.6
[INFO] [stderr]     Checking pretty_assertions v0.1.2
[INFO] [stderr]     Checking mailchecker v4.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 1.58s
[INFO] running `Command { std: "docker" "inspect" "f70735913a2887a86fd6bf1e5ee6f0b10ed21fcf0362934047e521408222c8db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f70735913a2887a86fd6bf1e5ee6f0b10ed21fcf0362934047e521408222c8db", kill_on_drop: false }`
[INFO] [stdout] f70735913a2887a86fd6bf1e5ee6f0b10ed21fcf0362934047e521408222c8db