[INFO] fetching crate imap 3.0.0-alpha.2...
[INFO] checking imap-3.0.0-alpha.2 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate imap 3.0.0-alpha.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate imap 3.0.0-alpha.2 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate imap 3.0.0-alpha.2
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate imap 3.0.0-alpha.2
[INFO] tweaked toml for crates.io crate imap 3.0.0-alpha.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate imap 3.0.0-alpha.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustls-native-certs v0.5.0
[INFO] [stderr]   Downloaded rustls-connector v0.13.1
[INFO] [stderr]   Downloaded imap-proto v0.13.0
[INFO] [stderr]   Downloaded lettre v0.9.5
[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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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] 09166d4f053fedc2fc6640206509c31171ebc423d0e3224b035426613e5e60eb
[INFO] running `Command { std: "docker" "start" "-a" "09166d4f053fedc2fc6640206509c31171ebc423d0e3224b035426613e5e60eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09166d4f053fedc2fc6640206509c31171ebc423d0e3224b035426613e5e60eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09166d4f053fedc2fc6640206509c31171ebc423d0e3224b035426613e5e60eb", kill_on_drop: false }`
[INFO] [stdout] 09166d4f053fedc2fc6640206509c31171ebc423d0e3224b035426613e5e60eb
[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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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] 7fe7813361f4e51f4b71e0d46bc4b9e6d25daed10213ef8c7140fd3d282689f5
[INFO] running `Command { std: "docker" "start" "-a" "7fe7813361f4e51f4b71e0d46bc4b9e6d25daed10213ef8c7140fd3d282689f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling lexical-core v0.7.5
[INFO] [stderr]    Compiling syn v1.0.62
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking ascii_utils v0.9.3
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking fast_chemail v0.9.6
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling email v0.0.20
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking bitvec v0.19.5
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[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]     Checking rand v0.6.5
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking rustls v0.19.0
[INFO] [stderr]     Checking imap-proto v0.13.0
[INFO] [stderr]     Checking imap v3.0.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rustls-native-certs v0.5.0
[INFO] [stderr]     Checking rustls-connector v0.13.1
[INFO] [stderr]     Checking lettre v0.9.5
[INFO] [stderr]     Checking lettre_email v0.9.4
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.57s
[INFO] running `Command { std: "docker" "inspect" "7fe7813361f4e51f4b71e0d46bc4b9e6d25daed10213ef8c7140fd3d282689f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fe7813361f4e51f4b71e0d46bc4b9e6d25daed10213ef8c7140fd3d282689f5", kill_on_drop: false }`
[INFO] [stdout] 7fe7813361f4e51f4b71e0d46bc4b9e6d25daed10213ef8c7140fd3d282689f5