[INFO] fetching crate imap 2.3.0...
[INFO] checking imap-2.3.0 against beta for pr-78714
[INFO] extracting crate imap 2.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate imap 2.3.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate imap 2.3.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate imap 2.3.0
[INFO] tweaked toml for crates.io crate imap 2.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate imap 2.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 6cf0a6c9dea090622c95c498b340ca6bfdb4054430790af9e3edae12f9b8aa68
[INFO] running `Command { std: "docker" "start" "-a" "6cf0a6c9dea090622c95c498b340ca6bfdb4054430790af9e3edae12f9b8aa68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cf0a6c9dea090622c95c498b340ca6bfdb4054430790af9e3edae12f9b8aa68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cf0a6c9dea090622c95c498b340ca6bfdb4054430790af9e3edae12f9b8aa68", kill_on_drop: false }`
[INFO] [stdout] 6cf0a6c9dea090622c95c498b340ca6bfdb4054430790af9e3edae12f9b8aa68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--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] 685fd6b98ff11b5249135da9f8c89a16da12931b3f8cc36631212e7aed5e61ff
[INFO] running `Command { std: "docker" "start" "-a" "685fd6b98ff11b5249135da9f8c89a16da12931b3f8cc36631212e7aed5e61ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking ascii_utils v0.9.3
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling email v0.0.20
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking nom v4.2.3
[INFO] [stderr]     Checking rustls-native-certs v0.4.0
[INFO] [stderr]     Checking fast_chemail v0.9.6
[INFO] [stderr]     Checking rustls-connector v0.12.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking imap-proto v0.10.2
[INFO] [stderr]     Checking imap v2.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking lettre v0.9.3
[INFO] [stderr]     Checking lettre_email v0.9.4
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.99s
[INFO] running `Command { std: "docker" "inspect" "685fd6b98ff11b5249135da9f8c89a16da12931b3f8cc36631212e7aed5e61ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "685fd6b98ff11b5249135da9f8c89a16da12931b3f8cc36631212e7aed5e61ff", kill_on_drop: false }`
[INFO] [stdout] 685fd6b98ff11b5249135da9f8c89a16da12931b3f8cc36631212e7aed5e61ff