[INFO] fetching crate async-imap-lite 0.1.2...
[INFO] checking async-imap-lite-0.1.2 against beta for pr-78714
[INFO] extracting crate async-imap-lite 0.1.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate async-imap-lite 0.1.2 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 async-imap-lite 0.1.2
[INFO] finished tweaking crates.io crate async-imap-lite 0.1.2
[INFO] tweaked toml for crates.io crate async-imap-lite 0.1.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d55e76c5b2ade5f4d5a667cb74e956e2f7f4bba3d558de832a749fa58b2c883
[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" "4d55e76c5b2ade5f4d5a667cb74e956e2f7f4bba3d558de832a749fa58b2c883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d55e76c5b2ade5f4d5a667cb74e956e2f7f4bba3d558de832a749fa58b2c883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d55e76c5b2ade5f4d5a667cb74e956e2f7f4bba3d558de832a749fa58b2c883", kill_on_drop: false }`
[INFO] [stdout] 4d55e76c5b2ade5f4d5a667cb74e956e2f7f4bba3d558de832a749fa58b2c883
[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=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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9df42e7cb9aea3aa5ea6f7a0363c4c00fc5e61361a06e96b83510b911f93c7a6
[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" "9df42e7cb9aea3aa5ea6f7a0363c4c00fc5e61361a06e96b83510b911f93c7a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking futures-lite v0.1.11
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling async-trait v0.1.41
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking blocking v0.5.2
[INFO] [stderr]     Checking async-io v0.1.11
[INFO] [stderr]     Checking async-net v0.1.2
[INFO] [stderr]     Checking async-stream-packed v0.1.16
[INFO] [stderr]     Checking async-stream-tls-upgrader v0.1.10
[INFO] [stderr]     Checking imap-proto v0.10.2
[INFO] [stderr]     Checking imap-patch-for-async-imap-lite v2.2.0
[INFO] [stderr]     Checking async-imap-lite v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.10s
[INFO] running `Command { std: "docker" "inspect" "9df42e7cb9aea3aa5ea6f7a0363c4c00fc5e61361a06e96b83510b911f93c7a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9df42e7cb9aea3aa5ea6f7a0363c4c00fc5e61361a06e96b83510b911f93c7a6", kill_on_drop: false }`
[INFO] [stdout] 9df42e7cb9aea3aa5ea6f7a0363c4c00fc5e61361a06e96b83510b911f93c7a6