[INFO] cloning repository https://github.com/sandkoan/airmail
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sandkoan/airmail" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsandkoan%2Fairmail", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsandkoan%2Fairmail'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c96ae93b20791e8e22b09dd94d57a2530c697fc6
[INFO] checking sandkoan/airmail against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsandkoan%2Fairmail" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sandkoan/airmail on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sandkoan/airmail
[INFO] finished tweaking git repo https://github.com/sandkoan/airmail
[INFO] tweaked toml for git repo https://github.com/sandkoan/airmail written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/sandkoan/airmail already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a03764f0f9d34aeaa0d72d62a844fb69481e48741bdfb9d8254db7b179915275
[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" "a03764f0f9d34aeaa0d72d62a844fb69481e48741bdfb9d8254db7b179915275", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a03764f0f9d34aeaa0d72d62a844fb69481e48741bdfb9d8254db7b179915275", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a03764f0f9d34aeaa0d72d62a844fb69481e48741bdfb9d8254db7b179915275", kill_on_drop: false }`
[INFO] [stdout] a03764f0f9d34aeaa0d72d62a844fb69481e48741bdfb9d8254db7b179915275
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78bc0c6e6f539ecf9da664f38b2e4fa56897530d93277e2ca5fd29dd08b30a6e
[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" "78bc0c6e6f539ecf9da664f38b2e4fa56897530d93277e2ca5fd29dd08b30a6e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling hyperx v1.3.0
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking tap v1.0.0
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking quoted_printable v0.4.2
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling nom v6.1.0
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking bitvec v0.19.4
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking idna v0.2.1
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.5
[INFO] [stderr]     Checking r2d2 v0.8.9
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking lettre v0.10.0-alpha.5
[INFO] [stderr]     Checking airmail v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.81s
[INFO] running `Command { std: "docker" "inspect" "78bc0c6e6f539ecf9da664f38b2e4fa56897530d93277e2ca5fd29dd08b30a6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78bc0c6e6f539ecf9da664f38b2e4fa56897530d93277e2ca5fd29dd08b30a6e", kill_on_drop: false }`
[INFO] [stdout] 78bc0c6e6f539ecf9da664f38b2e4fa56897530d93277e2ca5fd29dd08b30a6e