[INFO] fetching crate mailchecker 4.0.12...
[INFO] checking mailchecker-4.0.12 against 1.55.0 for beta-1.56-3
[INFO] extracting crate mailchecker 4.0.12 into /workspace/builds/worker-18/source
[INFO] validating manifest of crates.io crate mailchecker 4.0.12 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mailchecker 4.0.12
[INFO] finished tweaking crates.io crate mailchecker 4.0.12
[INFO] tweaked toml for crates.io crate mailchecker 4.0.12 written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate crates.io crate mailchecker 4.0.12 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded difference v1.0.0
[INFO] [stderr]   Downloaded pretty_assertions v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5a5134c174736e97207691766680366becf41cfe6da5c38d91fcfe93b3786fa
[INFO] running `Command { std: "docker" "start" "-a" "a5a5134c174736e97207691766680366becf41cfe6da5c38d91fcfe93b3786fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5a5134c174736e97207691766680366becf41cfe6da5c38d91fcfe93b3786fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5a5134c174736e97207691766680366becf41cfe6da5c38d91fcfe93b3786fa", kill_on_drop: false }`
[INFO] [stdout] a5a5134c174736e97207691766680366becf41cfe6da5c38d91fcfe93b3786fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f9792df55f4d91a0331596522a526582f617d2fc0939135352bf8bd6a103ff9
[INFO] running `Command { std: "docker" "start" "-a" "3f9792df55f4d91a0331596522a526582f617d2fc0939135352bf8bd6a103ff9", kill_on_drop: false }`
[INFO] [stderr]     Checking ascii_utils v0.9.3
[INFO] [stderr]     Checking difference v1.0.0
[INFO] [stderr]     Checking pretty_assertions v0.1.2
[INFO] [stderr]     Checking fast_chemail v0.9.6
[INFO] [stderr]     Checking mailchecker v4.0.12 (/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 1.57s
[INFO] running `Command { std: "docker" "inspect" "3f9792df55f4d91a0331596522a526582f617d2fc0939135352bf8bd6a103ff9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f9792df55f4d91a0331596522a526582f617d2fc0939135352bf8bd6a103ff9", kill_on_drop: false }`
[INFO] [stdout] 3f9792df55f4d91a0331596522a526582f617d2fc0939135352bf8bd6a103ff9
