[INFO] fetching crate async-smtp 0.3.4...
[INFO] checking async-smtp-0.3.4 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate async-smtp 0.3.4 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate async-smtp 0.3.4 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 async-smtp 0.3.4
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate async-smtp 0.3.4
[INFO] tweaked toml for crates.io crate async-smtp 0.3.4 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate async-smtp 0.3.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded concurrent-queue v1.1.2
[INFO] [stderr]   Downloaded async-channel v1.2.0
[INFO] [stderr]   Downloaded event-listener v2.2.1
[INFO] [stderr]   Downloaded fast-socks5 v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] 7e3e31368f303ac7c3e8efcb937bb83baec4c8d46aca967b08c50d1d1d1179e1
[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" "7e3e31368f303ac7c3e8efcb937bb83baec4c8d46aca967b08c50d1d1d1179e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e3e31368f303ac7c3e8efcb937bb83baec4c8d46aca967b08c50d1d1d1179e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e3e31368f303ac7c3e8efcb937bb83baec4c8d46aca967b08c50d1d1d1179e1", kill_on_drop: false }`
[INFO] [stdout] 7e3e31368f303ac7c3e8efcb937bb83baec4c8d46aca967b08c50d1d1d1179e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 4115bc8e55219b47562cca14e08364a711d6703741bbed1940968ee97456cac8
[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" "4115bc8e55219b47562cca14e08364a711d6703741bbed1940968ee97456cac8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling wasm-bindgen v0.2.67
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking event-listener v2.2.1
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking ascii_utils v0.9.3
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking oorandom v11.1.2
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking concurrent-queue v1.1.2
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking fast_chemail v0.9.6
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking async-channel v1.2.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking futures-lite v0.1.10
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking blocking v0.4.7
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.67
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.67
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling async-trait v0.1.36
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.67
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking js-sys v0.3.44
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stderr]     Checking web-sys v0.3.44
[INFO] [stderr]     Checking smol v0.1.18
[INFO] [stderr]     Checking gloo-timers v0.2.1
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking async-std v1.6.2
[INFO] [stderr]     Checking async-native-tls v0.3.3
[INFO] [stderr]     Checking async-smtp v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 54s
[INFO] running `Command { std: "docker" "inspect" "4115bc8e55219b47562cca14e08364a711d6703741bbed1940968ee97456cac8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4115bc8e55219b47562cca14e08364a711d6703741bbed1940968ee97456cac8", kill_on_drop: false }`
[INFO] [stdout] 4115bc8e55219b47562cca14e08364a711d6703741bbed1940968ee97456cac8