[INFO] fetching crate hdrsample 6.0.4...
[INFO] checking hdrsample-6.0.4 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate hdrsample 6.0.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate hdrsample 6.0.4 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hdrsample 6.0.4
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate hdrsample 6.0.4
[INFO] tweaked toml for crates.io crate hdrsample 6.0.4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47b2286e78f381e3c1eda6c94f8bb6ffc5caf0fbc2e179448d58bd5751404808
[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" "47b2286e78f381e3c1eda6c94f8bb6ffc5caf0fbc2e179448d58bd5751404808", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47b2286e78f381e3c1eda6c94f8bb6ffc5caf0fbc2e179448d58bd5751404808", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47b2286e78f381e3c1eda6c94f8bb6ffc5caf0fbc2e179448d58bd5751404808", kill_on_drop: false }`
[INFO] [stdout] 47b2286e78f381e3c1eda6c94f8bb6ffc5caf0fbc2e179448d58bd5751404808
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0bbe4afdccd2738b83327bb4bd6303a5f38793224bc00f8967ace8b671081c0
[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" "c0bbe4afdccd2738b83327bb4bd6303a5f38793224bc00f8967ace8b671081c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.2
[INFO] [stderr]    Compiling rug v0.9.3
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ieee754 v0.2.6
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking base64 v0.7.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking hdrsample v6.0.4 (/opt/rustwide/workdir)
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "c0bbe4afdccd2738b83327bb4bd6303a5f38793224bc00f8967ace8b671081c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0bbe4afdccd2738b83327bb4bd6303a5f38793224bc00f8967ace8b671081c0", kill_on_drop: false }`
[INFO] [stdout] c0bbe4afdccd2738b83327bb4bd6303a5f38793224bc00f8967ace8b671081c0