[INFO] fetching crate mailchecker 4.0.2...
[INFO] testing mailchecker-4.0.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate mailchecker 4.0.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate mailchecker 4.0.2 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mailchecker 4.0.2
[INFO] finished tweaking crates.io crate mailchecker 4.0.2
[INFO] tweaked toml for crates.io crate mailchecker 4.0.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate mailchecker 4.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4852e86c472530ebd4d9c43471ee830a3e5e65f939f69e455f34e773f9296c12
[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" "4852e86c472530ebd4d9c43471ee830a3e5e65f939f69e455f34e773f9296c12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4852e86c472530ebd4d9c43471ee830a3e5e65f939f69e455f34e773f9296c12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4852e86c472530ebd4d9c43471ee830a3e5e65f939f69e455f34e773f9296c12", kill_on_drop: false }`
[INFO] [stdout] 4852e86c472530ebd4d9c43471ee830a3e5e65f939f69e455f34e773f9296c12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2258189ffdc82bc67990bdc8eb5308af5b4f64649d9ad75d0365d5ae2f7722f0
[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" "2258189ffdc82bc67990bdc8eb5308af5b4f64649d9ad75d0365d5ae2f7722f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling ascii_utils v0.9.3
[INFO] [stderr]    Compiling fast_chemail v0.9.6
[INFO] [stderr]    Compiling mailchecker v4.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.92s
[INFO] running `Command { std: "docker" "inspect" "2258189ffdc82bc67990bdc8eb5308af5b4f64649d9ad75d0365d5ae2f7722f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2258189ffdc82bc67990bdc8eb5308af5b4f64649d9ad75d0365d5ae2f7722f0", kill_on_drop: false }`
[INFO] [stdout] 2258189ffdc82bc67990bdc8eb5308af5b4f64649d9ad75d0365d5ae2f7722f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] caf4fbe36bf846a74027f2066d7168255a28e8743f97d6b956dc8c832df4654d
[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" "caf4fbe36bf846a74027f2066d7168255a28e8743f97d6b956dc8c832df4654d", kill_on_drop: false }`
[INFO] [stderr]    Compiling difference v1.0.0
[INFO] [stderr]    Compiling pretty_assertions v0.1.2
[INFO] [stderr]    Compiling mailchecker v4.0.2 (/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 3.99s
[INFO] running `Command { std: "docker" "inspect" "caf4fbe36bf846a74027f2066d7168255a28e8743f97d6b956dc8c832df4654d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caf4fbe36bf846a74027f2066d7168255a28e8743f97d6b956dc8c832df4654d", kill_on_drop: false }`
[INFO] [stdout] caf4fbe36bf846a74027f2066d7168255a28e8743f97d6b956dc8c832df4654d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d98caec1929b8c3c88392e226d4860eedb0197b9c4493ac177dc3d37b154cc5c
[INFO] running `Command { std: "docker" "start" "-a" "d98caec1929b8c3c88392e226d4860eedb0197b9c4493ac177dc3d37b154cc5c", 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] [stdout] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 2 | #[macro_use]
[INFO] [stdout] 
[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 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mailchecker-feeb2d4aef90a5e2
[INFO] [stderr]    Doc-tests mailchecker
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - is_valid (line 32) ... ok
[INFO] [stdout] test src/lib.rs - blacklist (line 96) ... ok
[INFO] [stdout] test src/lib.rs - is_valid (line 49) ... ok
[INFO] [stdout] test src/lib.rs - is_valid (line 19) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d98caec1929b8c3c88392e226d4860eedb0197b9c4493ac177dc3d37b154cc5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d98caec1929b8c3c88392e226d4860eedb0197b9c4493ac177dc3d37b154cc5c", kill_on_drop: false }`
[INFO] [stdout] d98caec1929b8c3c88392e226d4860eedb0197b9c4493ac177dc3d37b154cc5c