[INFO] fetching crate maildir 0.5.0...
[INFO] checking maildir-0.5.0 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] extracting crate maildir 0.5.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate maildir 0.5.0 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate maildir 0.5.0
[INFO] finished tweaking crates.io crate maildir 0.5.0
[INFO] tweaked toml for crates.io crate maildir 0.5.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate maildir 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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] 910e02a42d6adcf06f8d9df94dc5b61d4830cad3af9fd88eb41ab0b48a3dc978
[INFO] running `Command { std: "docker" "start" "-a" "910e02a42d6adcf06f8d9df94dc5b61d4830cad3af9fd88eb41ab0b48a3dc978", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "910e02a42d6adcf06f8d9df94dc5b61d4830cad3af9fd88eb41ab0b48a3dc978", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "910e02a42d6adcf06f8d9df94dc5b61d4830cad3af9fd88eb41ab0b48a3dc978", kill_on_drop: false }`
[INFO] [stdout] 910e02a42d6adcf06f8d9df94dc5b61d4830cad3af9fd88eb41ab0b48a3dc978
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98fc682b774b6d4c68dd7fb1496f2edff3cb8eb9860b90099da545beb9934bf4
[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" "98fc682b774b6d4c68dd7fb1496f2edff3cb8eb9860b90099da545beb9934bf4", kill_on_drop: false }`
[INFO] [stderr]    Compiling encoding_rs v0.8.20
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking getrandom v0.1.12
[INFO] [stderr]     Checking gethostname v0.2.1
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking charset v0.1.2
[INFO] [stderr]     Checking mailparse v0.13.1
[INFO] [stderr]     Checking maildir v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.14s
[INFO] running `Command { std: "docker" "inspect" "98fc682b774b6d4c68dd7fb1496f2edff3cb8eb9860b90099da545beb9934bf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98fc682b774b6d4c68dd7fb1496f2edff3cb8eb9860b90099da545beb9934bf4", kill_on_drop: false }`
[INFO] [stdout] 98fc682b774b6d4c68dd7fb1496f2edff3cb8eb9860b90099da545beb9934bf4