[INFO] fetching crate hdrhistogram 7.2.0...
[INFO] testing hdrhistogram-7.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate hdrhistogram 7.2.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate hdrhistogram 7.2.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-11/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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bca5380d0acc4147d8365815e92f0dda3c642879e2d270d4255906427abbc98b
[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" "bca5380d0acc4147d8365815e92f0dda3c642879e2d270d4255906427abbc98b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bca5380d0acc4147d8365815e92f0dda3c642879e2d270d4255906427abbc98b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bca5380d0acc4147d8365815e92f0dda3c642879e2d270d4255906427abbc98b", kill_on_drop: false }`
[INFO] [stdout] bca5380d0acc4147d8365815e92f0dda3c642879e2d270d4255906427abbc98b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60cc2c8d331ab676886b5fd2ec21140be98e9d05fc66ae3ef040d79998045125
[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" "60cc2c8d331ab676886b5fd2ec21140be98e9d05fc66ae3ef040d79998045125", kill_on_drop: false }`
[INFO] [stderr]    Compiling nom v6.0.1
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling flate2 v1.0.19
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling hdrhistogram v7.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.06s
[INFO] running `Command { std: "docker" "inspect" "60cc2c8d331ab676886b5fd2ec21140be98e9d05fc66ae3ef040d79998045125", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60cc2c8d331ab676886b5fd2ec21140be98e9d05fc66ae3ef040d79998045125", kill_on_drop: false }`
[INFO] [stdout] 60cc2c8d331ab676886b5fd2ec21140be98e9d05fc66ae3ef040d79998045125
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", 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] e6dca0ea88fbb843ee539a314581982be54070ff68bb302b5a7301970227622c
[INFO] running `Command { std: "docker" "start" "-a" "e6dca0ea88fbb843ee539a314581982be54070ff68bb302b5a7301970227622c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.2
[INFO] [stderr]    Compiling rug v1.11.0
[INFO] [stderr]    Compiling az v1.0.0
[INFO] [stderr]    Compiling ieee754 v0.2.6
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "e6dca0ea88fbb843ee539a314581982be54070ff68bb302b5a7301970227622c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6dca0ea88fbb843ee539a314581982be54070ff68bb302b5a7301970227622c", kill_on_drop: false }`
[INFO] [stdout] e6dca0ea88fbb843ee539a314581982be54070ff68bb302b5a7301970227622c