[INFO] fetching crate pergola 0.9.0...
[INFO] checking pergola-0.9.0 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate pergola 0.9.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate pergola 0.9.0 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 crates.io crate pergola 0.9.0
[INFO] finished tweaking crates.io crate pergola 0.9.0
[INFO] tweaked toml for crates.io crate pergola 0.9.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "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" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] db28d7462857dac7432162d508634825f4043f8d43a006cf810aba5f01f3873f
[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" "db28d7462857dac7432162d508634825f4043f8d43a006cf810aba5f01f3873f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db28d7462857dac7432162d508634825f4043f8d43a006cf810aba5f01f3873f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db28d7462857dac7432162d508634825f4043f8d43a006cf810aba5f01f3873f", kill_on_drop: false }`
[INFO] [stdout] db28d7462857dac7432162d508634825f4043f8d43a006cf810aba5f01f3873f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] c2a83c8805f26e016d884f963e568995d1439ee85dfd555ae6a3013774b3ad8c
[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" "c2a83c8805f26e016d884f963e568995d1439ee85dfd555ae6a3013774b3ad8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling im v15.0.0
[INFO] [stderr]    Compiling im-rc v15.0.0
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking sized-chunks v0.6.4
[INFO] [stderr]     Checking rusty-fork v0.2.2
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]     Checking serde v1.0.124
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking proptest v0.9.6
[INFO] [stderr]     Checking pergola v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.35s
[INFO] running `Command { std: "docker" "inspect" "c2a83c8805f26e016d884f963e568995d1439ee85dfd555ae6a3013774b3ad8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2a83c8805f26e016d884f963e568995d1439ee85dfd555ae6a3013774b3ad8c", kill_on_drop: false }`
[INFO] [stdout] c2a83c8805f26e016d884f963e568995d1439ee85dfd555ae6a3013774b3ad8c