[INFO] fetching crate async-imap 0.4.1...
[INFO] checking async-imap-0.4.1 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate async-imap 0.4.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate async-imap 0.4.1 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-imap 0.4.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate async-imap 0.4.1
[INFO] tweaked toml for crates.io crate async-imap 0.4.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate async-imap 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb76f337a26667c89004626375a2c30cf846b8e48716bbb4a069b78bcae99def
[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" "cb76f337a26667c89004626375a2c30cf846b8e48716bbb4a069b78bcae99def", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb76f337a26667c89004626375a2c30cf846b8e48716bbb4a069b78bcae99def", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb76f337a26667c89004626375a2c30cf846b8e48716bbb4a069b78bcae99def", kill_on_drop: false }`
[INFO] [stdout] cb76f337a26667c89004626375a2c30cf846b8e48716bbb4a069b78bcae99def
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1846d0b0d421b7518cfcd3e9591773b282ff6469ba21a5322669cd8b86bab193
[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" "1846d0b0d421b7518cfcd3e9591773b282ff6469ba21a5322669cd8b86bab193", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking futures-io v0.3.6
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]     Checking async-task v4.0.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking futures-sink v0.3.6
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking ascii_utils v0.9.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling email v0.0.20
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
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[INFO] [stderr]     Checking futures-task v0.3.6
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[INFO] [stderr]     Checking fast_chemail v0.9.6
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking lexical-core v0.7.4
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking polling v2.0.1
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking lettre v0.9.3
[INFO] [stderr]     Checking futures-lite v1.11.1
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking byte-pool v0.2.2
[INFO] [stderr]     Checking async-executor v1.3.0
[INFO] [stderr]     Checking async-io v1.1.10
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking async-global-executor v1.3.0
[INFO] [stderr]     Checking lettre_email v0.9.4
[INFO] [stderr]     Checking imap-proto v0.11.0
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling futures-macro v0.3.6
[INFO] [stderr]    Compiling rental-impl v0.5.5
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling async-trait v0.1.41
[INFO] [stderr]     Checking async-std v1.6.5
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking futures-util v0.3.6
[INFO] [stderr]     Checking futures-executor v0.3.6
[INFO] [stderr]     Checking async-native-tls v0.3.3
[INFO] [stderr]     Checking stop-token v0.1.2
[INFO] [stderr]     Checking futures v0.3.6
[INFO] [stderr]     Checking async-smtp v0.3.4
[INFO] [stderr]     Checking rental v0.5.5
[INFO] [stderr]     Checking async-imap v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 27s
[INFO] running `Command { std: "docker" "inspect" "1846d0b0d421b7518cfcd3e9591773b282ff6469ba21a5322669cd8b86bab193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1846d0b0d421b7518cfcd3e9591773b282ff6469ba21a5322669cd8b86bab193", kill_on_drop: false }`
[INFO] [stdout] 1846d0b0d421b7518cfcd3e9591773b282ff6469ba21a5322669cd8b86bab193