[INFO] updating cached repository https://github.com/ashfordneil/looker
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 06b261cb311d8c423be5075480e9831323f4d572
[INFO] checking ashfordneil/looker against try#a243773eaf3fedcd203f10ae4579e4f106bf7ccd for pr-68325
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fashfordneil%2Flooker" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ashfordneil/looker on toolchain a243773eaf3fedcd203f10ae4579e4f106bf7ccd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-14/source/Cargo.toml
[INFO] crate git repo https://github.com/ashfordneil/looker already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0037cd86448c3c3a7fc3d67fdab98570b82fc4ea4ba5a578eb709f310902366c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "0037cd86448c3c3a7fc3d67fdab98570b82fc4ea4ba5a578eb709f310902366c"`
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]    Compiling cc v1.0.34
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking ascii v0.9.1
[INFO] [stderr]     Checking scopeguard v0.1.2
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking variance v0.1.3
[INFO] [stderr]     Checking downcast-rs v1.0.3
[INFO] [stderr]     Checking htmlescape v0.3.1
[INFO] [stderr]     Checking census v0.2.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking filetime v0.2.4
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking termion v1.5.1
[INFO] [stderr]     Checking fst v0.3.3
[INFO] [stderr]     Checking snap v0.2.5
[INFO] [stderr]     Checking murmurhash32 v0.2.0
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking scoped-pool v1.0.0
[INFO] [stderr]     Checking globset v0.4.2
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking bitpacking v0.6.0
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking fail v0.2.1
[INFO] [stderr]     Checking levenshtein_automata v0.1.1
[INFO] [stderr]     Checking ignore v0.4.6
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking tantivy-fst v0.1.0
[INFO] [stderr]     Checking notify v4.0.10
[INFO] [stderr]     Checking tempfile v3.0.7
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking crossbeam v0.5.0
[INFO] [stderr]     Checking backtrace v0.3.15
[INFO] [stderr]     Checking atomicwrites v0.2.2
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling rental-impl v0.5.2
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking structopt v0.2.15
[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 --crate-type lib --emit=dep-info,metadata -C debuginfo=2 -C metadata=6cb8a339644483c4 -C extra-filename=-6cb8a339644483c4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern crunchy=/opt/rustwide/target/debug/deps/libcrunchy-4153c0ba9bbd6e4d.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rental-impl`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name rental_impl /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rental-impl-0.5.2/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C debuginfo=2 -C metadata=a877011f12f58ee7 -C extra-filename=-a877011f12f58ee7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-defc1c7cab312ff6.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-6d19fc02b85e6948.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-75f8db472836149a.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "0037cd86448c3c3a7fc3d67fdab98570b82fc4ea4ba5a578eb709f310902366c"`
[INFO] running `"docker" "rm" "-f" "0037cd86448c3c3a7fc3d67fdab98570b82fc4ea4ba5a578eb709f310902366c"`
[INFO] [stdout] 0037cd86448c3c3a7fc3d67fdab98570b82fc4ea4ba5a578eb709f310902366c