[INFO] fetching crate gendoc 0.4.0...
[INFO] checking gendoc-0.4.0 against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] extracting crate gendoc 0.4.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate gendoc 0.4.0 on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gendoc 0.4.0
[INFO] finished tweaking crates.io crate gendoc 0.4.0
[INFO] tweaked toml for crates.io crate gendoc 0.4.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate gendoc 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 643ec4a1bb6f8b2d99fd1db4ebde5112c8eb1eda145f9efaafb6398d1ba21aa5
[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" "643ec4a1bb6f8b2d99fd1db4ebde5112c8eb1eda145f9efaafb6398d1ba21aa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "643ec4a1bb6f8b2d99fd1db4ebde5112c8eb1eda145f9efaafb6398d1ba21aa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "643ec4a1bb6f8b2d99fd1db4ebde5112c8eb1eda145f9efaafb6398d1ba21aa5", kill_on_drop: false }`
[INFO] [stdout] 643ec4a1bb6f8b2d99fd1db4ebde5112c8eb1eda145f9efaafb6398d1ba21aa5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84f35560f6cd761400f6129898fa490a24bb164b3b4e6857699d7a793f98f0dc
[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" "84f35560f6cd761400f6129898fa490a24bb164b3b4e6857699d7a793f98f0dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling anyhow v1.0.36
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking serde_yaml v0.8.14
[INFO] [stderr]     Checking gendoc v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.34s
[INFO] running `Command { std: "docker" "inspect" "84f35560f6cd761400f6129898fa490a24bb164b3b4e6857699d7a793f98f0dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84f35560f6cd761400f6129898fa490a24bb164b3b4e6857699d7a793f98f0dc", kill_on_drop: false }`
[INFO] [stdout] 84f35560f6cd761400f6129898fa490a24bb164b3b4e6857699d7a793f98f0dc