[INFO] fetching crate ergothic 0.1.4...
[INFO] checking ergothic-0.1.4 against beta for pr-78714
[INFO] extracting crate ergothic 0.1.4 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate ergothic 0.1.4 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 ergothic 0.1.4
[INFO] finished tweaking crates.io crate ergothic 0.1.4
[INFO] tweaked toml for crates.io crate ergothic 0.1.4 written to /workspace/builds/worker-5/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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 1229f29178ed9bba1da9df34c30ae5a5a581af8f29a82f72a6020cecc7bb53ec
[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" "1229f29178ed9bba1da9df34c30ae5a5a581af8f29a82f72a6020cecc7bb53ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1229f29178ed9bba1da9df34c30ae5a5a581af8f29a82f72a6020cecc7bb53ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1229f29178ed9bba1da9df34c30ae5a5a581af8f29a82f72a6020cecc7bb53ec", kill_on_drop: false }`
[INFO] [stdout] 1229f29178ed9bba1da9df34c30ae5a5a581af8f29a82f72a6020cecc7bb53ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 18d91da1f63e607278e4596f0ee15056d171ec511669c9b4a45cf5ecd532a63d
[INFO] running `Command { std: "docker" "start" "-a" "18d91da1f63e607278e4596f0ee15056d171ec511669c9b4a45cf5ecd532a63d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking md5 v0.3.8
[INFO] [stderr]     Checking try_from v0.2.2
[INFO] [stderr]     Checking separator v0.3.1
[INFO] [stderr]     Checking semver v0.8.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking crypto-mac v0.6.2
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking md-5 v0.7.0
[INFO] [stderr]     Checking sha-1 v0.7.0
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking hmac v0.6.3
[INFO] [stderr]     Checking csv v0.15.0
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking prettytable-rs v0.7.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking simple_logger v0.5.0
[INFO] [stderr]     Checking pbkdf2 v0.2.3
[INFO] [stderr]     Checking textnonce v0.6.5
[INFO] [stderr]     Checking bson v0.13.0
[INFO] [stderr]     Checking bson v0.12.3
[INFO] [stderr]     Checking scan_fmt v0.1.3
[INFO] [stderr]     Checking mongodb v0.3.12
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking ergothic v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.11s
[INFO] running `Command { std: "docker" "inspect" "18d91da1f63e607278e4596f0ee15056d171ec511669c9b4a45cf5ecd532a63d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18d91da1f63e607278e4596f0ee15056d171ec511669c9b4a45cf5ecd532a63d", kill_on_drop: false }`
[INFO] [stdout] 18d91da1f63e607278e4596f0ee15056d171ec511669c9b4a45cf5ecd532a63d