[INFO] fetching crate mailchecker 4.0.10...
[INFO] testing mailchecker-4.0.10 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate mailchecker 4.0.10 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate mailchecker 4.0.10 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mailchecker 4.0.10
[INFO] finished tweaking crates.io crate mailchecker 4.0.10
[INFO] tweaked toml for crates.io crate mailchecker 4.0.10 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate mailchecker 4.0.10 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb38728c3d3ee2b7c165855879fcc8912f6f364b09ea9842a1ca22ffdb03443f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bb38728c3d3ee2b7c165855879fcc8912f6f364b09ea9842a1ca22ffdb03443f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb38728c3d3ee2b7c165855879fcc8912f6f364b09ea9842a1ca22ffdb03443f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb38728c3d3ee2b7c165855879fcc8912f6f364b09ea9842a1ca22ffdb03443f", kill_on_drop: false }`
[INFO] [stdout] bb38728c3d3ee2b7c165855879fcc8912f6f364b09ea9842a1ca22ffdb03443f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6e95e2f9a12b9dd2caf61a54e4b7eeefd31c0d6767418a6fc5e3af8a2c71283
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d6e95e2f9a12b9dd2caf61a54e4b7eeefd31c0d6767418a6fc5e3af8a2c71283", kill_on_drop: false }`
[INFO] [stderr]    Compiling ascii_utils v0.9.3
[INFO] [stderr]    Compiling fast_chemail v0.9.6
[INFO] [stderr]    Compiling mailchecker v4.0.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.53s
[INFO] running `Command { std: "docker" "inspect" "d6e95e2f9a12b9dd2caf61a54e4b7eeefd31c0d6767418a6fc5e3af8a2c71283", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6e95e2f9a12b9dd2caf61a54e4b7eeefd31c0d6767418a6fc5e3af8a2c71283", kill_on_drop: false }`
[INFO] [stdout] d6e95e2f9a12b9dd2caf61a54e4b7eeefd31c0d6767418a6fc5e3af8a2c71283
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f82597bab53a1955191194283d6a52269290b0c9f62d2503508199ae11067bb7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f82597bab53a1955191194283d6a52269290b0c9f62d2503508199ae11067bb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling difference v1.0.0
[INFO] [stderr]    Compiling pretty_assertions v0.1.2
[INFO] [stderr]    Compiling mailchecker v4.0.10 (/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 test [unoptimized + debuginfo] target(s) in 3.43s
[INFO] running `Command { std: "docker" "inspect" "f82597bab53a1955191194283d6a52269290b0c9f62d2503508199ae11067bb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f82597bab53a1955191194283d6a52269290b0c9f62d2503508199ae11067bb7", kill_on_drop: false }`
[INFO] [stdout] f82597bab53a1955191194283d6a52269290b0c9f62d2503508199ae11067bb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ac8f06002ee58f6dff928875d824112d336e6d4b21b674992972dd4bdf367245
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ac8f06002ee58f6dff928875d824112d336e6d4b21b674992972dd4bdf367245", kill_on_drop: false }`
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mailchecker-fcfb9f0a20fe1005)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mailchecker
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - is_valid (line 49) ... ok
[INFO] [stdout] test src/lib.rs - is_valid (line 19) ... ok
[INFO] [stdout] test src/lib.rs - blacklist (line 96) ... ok
[INFO] [stdout] test src/lib.rs - is_valid (line 32) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.10s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ac8f06002ee58f6dff928875d824112d336e6d4b21b674992972dd4bdf367245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac8f06002ee58f6dff928875d824112d336e6d4b21b674992972dd4bdf367245", kill_on_drop: false }`
[INFO] [stdout] ac8f06002ee58f6dff928875d824112d336e6d4b21b674992972dd4bdf367245