[INFO] fetching crate hdrhistogram 7.2.0...
[INFO] checking hdrhistogram-7.2.0 against master#6526e5c772f2da07db745c94ca6bb0a591a39ba4 for pr-80920
[INFO] extracting crate hdrhistogram 7.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate hdrhistogram 7.2.0 on toolchain 6526e5c772f2da07db745c94ca6bb0a591a39ba4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hdrhistogram 7.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate hdrhistogram 7.2.0
[INFO] tweaked toml for crates.io crate hdrhistogram 7.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate hdrhistogram 7.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f2844a01311805153286f5dad7a6b91cc8a41dd4868cff83eb11a245a604b688
[INFO] running `Command { std: "docker" "start" "-a" "f2844a01311805153286f5dad7a6b91cc8a41dd4868cff83eb11a245a604b688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2844a01311805153286f5dad7a6b91cc8a41dd4868cff83eb11a245a604b688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2844a01311805153286f5dad7a6b91cc8a41dd4868cff83eb11a245a604b688", kill_on_drop: false }`
[INFO] [stdout] f2844a01311805153286f5dad7a6b91cc8a41dd4868cff83eb11a245a604b688
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0668a913559d994b243e0fa31c4f54a86622028ee5ddbc3c712b8f4b79ea6959
[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" "0668a913559d994b243e0fa31c4f54a86622028ee5ddbc3c712b8f4b79ea6959", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.2
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling rug v1.11.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking az v1.0.0
[INFO] [stderr]     Checking ieee754 v0.2.6
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking miniz_oxide v0.4.3
[INFO] [stderr]     Checking bitvec v0.19.4
[INFO] [stderr]    Compiling nom v6.0.1
[INFO] [stderr]     Checking lexical-core v0.7.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking hdrhistogram v7.2.0 (/opt/rustwide/workdir)
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "0668a913559d994b243e0fa31c4f54a86622028ee5ddbc3c712b8f4b79ea6959", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0668a913559d994b243e0fa31c4f54a86622028ee5ddbc3c712b8f4b79ea6959", kill_on_drop: false }`
[INFO] [stdout] 0668a913559d994b243e0fa31c4f54a86622028ee5ddbc3c712b8f4b79ea6959