[INFO] fetching crate mailin 0.4.1...
[INFO] checking mailin-0.4.1 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate mailin 0.4.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate mailin 0.4.1 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mailin 0.4.1
[INFO] finished tweaking crates.io crate mailin 0.4.1
[INFO] tweaked toml for crates.io crate mailin 0.4.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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] 39fab6733705202a5242d1d480a90eaa12ba7faa50038cee8170a17222ba4dc4
[INFO] running `Command { std: "docker" "start" "-a" "39fab6733705202a5242d1d480a90eaa12ba7faa50038cee8170a17222ba4dc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39fab6733705202a5242d1d480a90eaa12ba7faa50038cee8170a17222ba4dc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39fab6733705202a5242d1d480a90eaa12ba7faa50038cee8170a17222ba4dc4", kill_on_drop: false }`
[INFO] [stdout] 39fab6733705202a5242d1d480a90eaa12ba7faa50038cee8170a17222ba4dc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3d29cdbc5dce6559875d4ff757f3842c4725ec145e991de8ea459f061f8e9d2
[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" "b3d29cdbc5dce6559875d4ff757f3842c4725ec145e991de8ea459f061f8e9d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking ternop v1.0.1
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking mailin v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.44s
[INFO] running `Command { std: "docker" "inspect" "b3d29cdbc5dce6559875d4ff757f3842c4725ec145e991de8ea459f061f8e9d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3d29cdbc5dce6559875d4ff757f3842c4725ec145e991de8ea459f061f8e9d2", kill_on_drop: false }`
[INFO] [stdout] b3d29cdbc5dce6559875d4ff757f3842c4725ec145e991de8ea459f061f8e9d2