[INFO] fetching crate hdrsample 6.0.4...
[INFO] checking hdrsample-6.0.4 against beta for pr-78714
[INFO] extracting crate hdrsample 6.0.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate hdrsample 6.0.4 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 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-6/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] c19f2e05940c124b2227144827d22df5199566df76be063c8c1ae0aa262cfefd
[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" "c19f2e05940c124b2227144827d22df5199566df76be063c8c1ae0aa262cfefd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c19f2e05940c124b2227144827d22df5199566df76be063c8c1ae0aa262cfefd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c19f2e05940c124b2227144827d22df5199566df76be063c8c1ae0aa262cfefd", kill_on_drop: false }`
[INFO] [stdout] c19f2e05940c124b2227144827d22df5199566df76be063c8c1ae0aa262cfefd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 44ab781bf54c6fabdd95442d9daafdb0c0f8fced9f7065a3d6d5a1ed03d7ce24
[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" "44ab781bf54c6fabdd95442d9daafdb0c0f8fced9f7065a3d6d5a1ed03d7ce24", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.1
[INFO] [stderr]    Compiling rug v0.9.3
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking ieee754 v0.2.6
[INFO] [stderr]     Checking 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 base64 v0.7.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking hdrsample v6.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand v0.3.23
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "44ab781bf54c6fabdd95442d9daafdb0c0f8fced9f7065a3d6d5a1ed03d7ce24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44ab781bf54c6fabdd95442d9daafdb0c0f8fced9f7065a3d6d5a1ed03d7ce24", kill_on_drop: false }`
[INFO] [stdout] 44ab781bf54c6fabdd95442d9daafdb0c0f8fced9f7065a3d6d5a1ed03d7ce24