[INFO] cloning repository https://github.com/ashfordneil/looker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ashfordneil/looker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fashfordneil%2Flooker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fashfordneil%2Flooker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 06b261cb311d8c423be5075480e9831323f4d572
[INFO] testing ashfordneil/looker against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fashfordneil%2Flooker" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ashfordneil/looker on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ashfordneil/looker
[INFO] finished tweaking git repo https://github.com/ashfordneil/looker
[INFO] tweaked toml for git repo https://github.com/ashfordneil/looker written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/ashfordneil/looker already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fsevent-sys v0.1.6
[INFO] [stderr]   Downloaded bitflags v1.0.4
[INFO] [stderr]   Downloaded htmlescape v0.3.1
[INFO] [stderr]   Downloaded futures-cpupool v0.1.8
[INFO] [stderr]   Downloaded rand v0.4.6
[INFO] [stderr]   Downloaded mio-extras v2.0.5
[INFO] [stderr]   Downloaded murmurhash32 v0.2.0
[INFO] [stderr]   Downloaded tempdir v0.3.7
[INFO] [stderr]   Downloaded parking_lot v0.6.4
[INFO] [stderr]   Downloaded rand v0.3.23
[INFO] [stderr]   Downloaded rand_jitter v0.1.3
[INFO] [stderr]   Downloaded tempfile v3.0.7
[INFO] [stderr]   Downloaded libc v0.2.51
[INFO] [stderr]   Downloaded redox_syscall v0.1.53
[INFO] [stderr]   Downloaded crossbeam v0.5.0
[INFO] [stderr]   Downloaded combine v3.8.1
[INFO] [stderr]   Downloaded smallvec v0.6.9
[INFO] [stderr]   Downloaded remove_dir_all v0.5.1
[INFO] [stderr]   Downloaded lazy_static v0.2.11
[INFO] [stderr]   Downloaded unreachable v1.0.0
[INFO] [stderr]   Downloaded filetime v0.2.4
[INFO] [stderr]   Downloaded num-traits v0.2.6
[INFO] [stderr]   Downloaded levenshtein_automata v0.1.1
[INFO] [stderr]   Downloaded num-integer v0.1.39
[INFO] [stderr]   Downloaded rand v0.5.6
[INFO] [stderr]   Downloaded regex-syntax v0.6.6
[INFO] [stderr]   Downloaded parking_lot_core v0.3.1
[INFO] [stderr]   Downloaded void v1.0.2
[INFO] [stderr]   Downloaded synstructure v0.10.1
[INFO] [stderr]   Downloaded utf8-ranges v1.0.2
[INFO] [stderr]   Downloaded atomicwrites v0.2.2
[INFO] [stderr]   Downloaded time v0.1.42
[INFO] [stderr]   Downloaded bit-vec v0.5.1
[INFO] [stderr]   Downloaded env_logger v0.6.1
[INFO] [stderr]   Downloaded downcast-rs v1.0.3
[INFO] [stderr]   Downloaded ignore v0.4.6
[INFO] [stderr]   Downloaded unicode-segmentation v1.2.1
[INFO] [stderr]   Downloaded crossbeam-epoch v0.6.1
[INFO] [stderr]   Downloaded mio v0.6.16
[INFO] [stderr]   Downloaded quote v0.6.11
[INFO] [stderr]   Downloaded aho-corasick v0.6.10
[INFO] [stderr]   Downloaded futures v0.1.26
[INFO] [stderr]   Downloaded scoped-pool v1.0.0
[INFO] [stderr]   Downloaded inotify-sys v0.1.3
[INFO] [stderr]   Downloaded regex-syntax v0.4.2
[INFO] [stderr]   Downloaded byteorder v1.3.1
[INFO] [stderr]   Downloaded proc-macro2 v0.4.27
[INFO] [stderr]   Downloaded serde v1.0.90
[INFO] [stderr]   Downloaded num_cpus v1.10.0
[INFO] [stderr]   Downloaded census v0.2.0
[INFO] [stderr]   Downloaded notify v4.0.10
[INFO] [stderr]   Downloaded fs2 v0.4.3
[INFO] [stderr]   Downloaded rustc-demangle v0.1.13
[INFO] [stderr]   Downloaded bit-set v0.5.1
[INFO] [stderr]   Downloaded scopeguard v0.1.2
[INFO] [stderr]   Downloaded serde_json v1.0.39
[INFO] [stderr]   Downloaded cc v1.0.34
[INFO] [stderr]   Downloaded inotify v0.6.1
[INFO] [stderr]   Downloaded uuid v0.7.4
[INFO] [stderr]   Downloaded log v0.3.9
[INFO] [stderr]   Downloaded lazycell v1.2.1
[INFO] [stderr]   Downloaded rental v0.5.3
[INFO] [stderr]   Downloaded cfg-if v0.1.7
[INFO] [stderr]   Downloaded owned-read v0.4.0
[INFO] [stderr]   Downloaded crossbeam v0.2.12
[INFO] [stderr]   Downloaded termion v1.5.1
[INFO] [stderr]   Downloaded rental-impl v0.5.2
[INFO] [stderr]   Downloaded memmap v0.7.0
[INFO] [stderr]   Downloaded rust-stemmers v1.1.0
[INFO] [stderr]   Downloaded chrono v0.4.6
[INFO] [stderr]   Downloaded bitpacking v0.6.0
[INFO] [stderr]   Downloaded ryu v0.2.7
[INFO] [stderr]   Downloaded backtrace v0.3.15
[INFO] [stderr]   Downloaded itoa v0.4.3
[INFO] [stderr]   Downloaded variance v0.1.3
[INFO] [stderr]   Downloaded fst v0.3.3
[INFO] [stderr]   Downloaded structopt-derive v0.2.15
[INFO] [stderr]   Downloaded fail v0.2.1
[INFO] [stderr]   Downloaded tantivy-fst v0.1.0
[INFO] [stderr]   Downloaded nix v0.11.0
[INFO] [stderr]   Downloaded globset v0.4.2
[INFO] [stderr]   Downloaded tantivy v0.9.1
[INFO] [stderr]   Downloaded autocfg v0.1.2
[INFO] [stderr]   Downloaded syn v0.15.30
[INFO] [stderr]   Downloaded crunchy v0.1.6
[INFO] [stderr]   Downloaded regex v1.1.5
[INFO] [stderr]   Downloaded serde_derive v1.0.90
[INFO] [stderr]   Downloaded ascii v0.9.1
[INFO] [stderr]   Downloaded termcolor v1.0.4
[INFO] [stderr]   Downloaded structopt v0.2.15
[INFO] [stderr]   Downloaded snap v0.2.5
[INFO] [stderr]   Downloaded backtrace-sys v0.1.28
[INFO] [stderr]   Downloaded fsevent v0.2.17
[INFO] [stderr]   Downloaded itertools v0.8.0
[INFO] [stderr]   Downloaded walkdir v2.2.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4cea89e83bbcb26c57e39e79f3935828f1249d584130784f68a50c77db6389c6
[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" "4cea89e83bbcb26c57e39e79f3935828f1249d584130784f68a50c77db6389c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4cea89e83bbcb26c57e39e79f3935828f1249d584130784f68a50c77db6389c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cea89e83bbcb26c57e39e79f3935828f1249d584130784f68a50c77db6389c6", kill_on_drop: false }`
[INFO] [stdout] 4cea89e83bbcb26c57e39e79f3935828f1249d584130784f68a50c77db6389c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cd61f799651fa827ba8ea5a4b82fd1f0e76b9398c240a17796805bcf4f51b13
[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" "9cd61f799651fa827ba8ea5a4b82fd1f0e76b9398c240a17796805bcf4f51b13", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]    Compiling cc v1.0.34
[INFO] [stderr]    Compiling regex v1.1.5
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling regex-syntax v0.4.2
[INFO] [stderr]    Compiling scopeguard v0.1.2
[INFO] [stderr]    Compiling futures v0.1.26
[INFO] [stderr]    Compiling ascii v0.9.1
[INFO] [stderr]    Compiling variance v0.1.3
[INFO] [stderr]    Compiling census v0.2.0
[INFO] [stderr]    Compiling downcast-rs v1.0.3
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling regex-syntax v0.6.6
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling walkdir v2.2.7
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling bit-set v0.5.1
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling scoped-pool v1.0.0
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]    Compiling fst v0.3.3
[INFO] [stderr]    Compiling murmurhash32 v0.2.0
[INFO] [stderr]    Compiling snap v0.2.5
[INFO] [stderr]    Compiling combine v3.8.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling bitpacking v0.6.0
[INFO] [stderr]    Compiling levenshtein_automata v0.1.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling inotify-sys v0.1.3
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling filetime v0.2.4
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling termion v1.5.1
[INFO] [stderr]    Compiling tantivy-fst v0.1.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling inotify v0.6.1
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling fail v0.2.1
[INFO] [stderr]    Compiling tempfile v3.0.7
[INFO] [stderr]    Compiling mio-extras v2.0.5
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling notify v4.0.10
[INFO] [stderr]    Compiling crossbeam v0.5.0
[INFO] [stderr]    Compiling globset v0.4.2
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling atomicwrites v0.2.2
[INFO] [stderr]    Compiling ignore v0.4.6
[INFO] [stderr] error: could not compile `bitpacking`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name bitpacking /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bitpacking-0.6.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=288ea26ddcfb57b4 -C extra-filename=-288ea26ddcfb57b4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern crunchy=/opt/rustwide/target/debug/deps/libcrunchy-fad018eb4514afd5.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9cd61f799651fa827ba8ea5a4b82fd1f0e76b9398c240a17796805bcf4f51b13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cd61f799651fa827ba8ea5a4b82fd1f0e76b9398c240a17796805bcf4f51b13", kill_on_drop: false }`
[INFO] [stdout] 9cd61f799651fa827ba8ea5a4b82fd1f0e76b9398c240a17796805bcf4f51b13