[INFO] fetching crate mulm 1.1.1...
[INFO] testing mulm-1.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate mulm 1.1.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate mulm 1.1.1 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 mulm 1.1.1
[INFO] finished tweaking crates.io crate mulm 1.1.1
[INFO] tweaked toml for crates.io crate mulm 1.1.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate mulm 1.1.1 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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", 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] f914c81a269a9771c6562dd05e7a68b9e4fceba626858391ca85800e250936e7
[INFO] running `Command { std: "docker" "start" "-a" "f914c81a269a9771c6562dd05e7a68b9e4fceba626858391ca85800e250936e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f914c81a269a9771c6562dd05e7a68b9e4fceba626858391ca85800e250936e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f914c81a269a9771c6562dd05e7a68b9e4fceba626858391ca85800e250936e7", kill_on_drop: false }`
[INFO] [stdout] f914c81a269a9771c6562dd05e7a68b9e4fceba626858391ca85800e250936e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29c1d10ab16a1e9060e6531f7dfc176bc59cf694219ef6a80a775f9eba440545
[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" "29c1d10ab16a1e9060e6531f7dfc176bc59cf694219ef6a80a775f9eba440545", kill_on_drop: false }`
[INFO] [stderr]    Compiling quoted_printable v0.4.2
[INFO] [stderr]    Compiling encoding_rs v0.8.23
[INFO] [stderr]    Compiling gethostname v0.2.1
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling charset v0.1.2
[INFO] [stderr]    Compiling mailparse v0.12.2
[INFO] [stderr]    Compiling maildir v0.4.2
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling mulm v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.61s
[INFO] running `Command { std: "docker" "inspect" "29c1d10ab16a1e9060e6531f7dfc176bc59cf694219ef6a80a775f9eba440545", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29c1d10ab16a1e9060e6531f7dfc176bc59cf694219ef6a80a775f9eba440545", kill_on_drop: false }`
[INFO] [stdout] 29c1d10ab16a1e9060e6531f7dfc176bc59cf694219ef6a80a775f9eba440545
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", 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] a7fc1a97e48e145b03e6339bb322d2cb975613424b9c5d3e5d1bdb3f344fd806
[INFO] running `Command { std: "docker" "start" "-a" "a7fc1a97e48e145b03e6339bb322d2cb975613424b9c5d3e5d1bdb3f344fd806", kill_on_drop: false }`
[INFO] [stderr]    Compiling mulm v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.18s
[INFO] running `Command { std: "docker" "inspect" "a7fc1a97e48e145b03e6339bb322d2cb975613424b9c5d3e5d1bdb3f344fd806", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7fc1a97e48e145b03e6339bb322d2cb975613424b9c5d3e5d1bdb3f344fd806", kill_on_drop: false }`
[INFO] [stdout] a7fc1a97e48e145b03e6339bb322d2cb975613424b9c5d3e5d1bdb3f344fd806
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f2e25e71098313004f854c158bdf7c4d17f03cc9f53ee68cf910cbc2a0c98d8b
[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" "f2e25e71098313004f854c158bdf7c4d17f03cc9f53ee68cf910cbc2a0c98d8b", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 7 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mulm-c3bc7f41ef878aa4
[INFO] [stdout] test test::an_unsubscribe_command ... ok
[INFO] [stdout] test test::a_bad_email ... ok
[INFO] [stdout] test test::a_message_to_pass_through ... ok
[INFO] [stdout] test test::a_basic_parse ... ok
[INFO] [stdout] test test::a_subscribe_command ... ok
[INFO] [stdout] test list::test::test_create_load ... ok
[INFO] [stdout] test list::test::test_send ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f2e25e71098313004f854c158bdf7c4d17f03cc9f53ee68cf910cbc2a0c98d8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2e25e71098313004f854c158bdf7c4d17f03cc9f53ee68cf910cbc2a0c98d8b", kill_on_drop: false }`
[INFO] [stdout] f2e25e71098313004f854c158bdf7c4d17f03cc9f53ee68cf910cbc2a0c98d8b