[INFO] fetching crate warkov-wordgen 0.1.0...
[INFO] checking warkov-wordgen-0.1.0 against master#430feb24a46993e5073c1bb1b39da190d83fa2bf for pr-78363
[INFO] extracting crate warkov-wordgen 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate warkov-wordgen 0.1.0 on toolchain 430feb24a46993e5073c1bb1b39da190d83fa2bf
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate warkov-wordgen 0.1.0
[INFO] finished tweaking crates.io crate warkov-wordgen 0.1.0
[INFO] tweaked toml for crates.io crate warkov-wordgen 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate warkov-wordgen 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 882d75c3b1e758504fa69089dc982ad1e7a28b71b828c867b824b86e3524ed8a
[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" "882d75c3b1e758504fa69089dc982ad1e7a28b71b828c867b824b86e3524ed8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "882d75c3b1e758504fa69089dc982ad1e7a28b71b828c867b824b86e3524ed8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "882d75c3b1e758504fa69089dc982ad1e7a28b71b828c867b824b86e3524ed8a", kill_on_drop: false }`
[INFO] [stdout] 882d75c3b1e758504fa69089dc982ad1e7a28b71b828c867b824b86e3524ed8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8381c93cba544f0db63a7e760eee8a5410810030512c484f8139b0fbb13eca7a
[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" "8381c93cba544f0db63a7e760eee8a5410810030512c484f8139b0fbb13eca7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling rayon-core v1.8.1
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling rayon v1.4.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking warkov v0.1.0
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking clap-verbosity-flag v0.1.0
[INFO] [stderr]     Checking quicli v0.3.1
[INFO] [stderr]     Checking warkov-wordgen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.08s
[INFO] running `Command { std: "docker" "inspect" "8381c93cba544f0db63a7e760eee8a5410810030512c484f8139b0fbb13eca7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8381c93cba544f0db63a7e760eee8a5410810030512c484f8139b0fbb13eca7a", kill_on_drop: false }`
[INFO] [stdout] 8381c93cba544f0db63a7e760eee8a5410810030512c484f8139b0fbb13eca7a