[INFO] updating cached repository https://github.com/femnad/gel
[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] 78a1ae35ea52d0b50c42ce679cd5bc2ea6b41c5f
[INFO] checking femnad/gel against try#7cb06892a23b4da510686618c8730f0b2e8bd952 for pr-66963
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffemnad%2Fgel" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/femnad/gel on toolchain 7cb06892a23b4da510686618c8730f0b2e8bd952
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/femnad/gel
[INFO] finished tweaking git repo https://github.com/femnad/gel
[INFO] tweaked toml for git repo https://github.com/femnad/gel written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/femnad/gel already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 16a2091f1770ae1ca36eaf70fe0e747db83912fbab7014464c4de58b161de29d
[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" "16a2091f1770ae1ca36eaf70fe0e747db83912fbab7014464c4de58b161de29d"`
[INFO] [stderr]    Compiling libc v0.2.59
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling procedural-masquerade v0.1.6
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]     Checking variance v0.1.3
[INFO] [stderr]     Checking thin-slice v0.1.1
[INFO] [stderr]     Checking ascii v0.9.2
[INFO] [stderr]     Checking scopeguard v0.1.2
[INFO] [stderr]     Checking ego-tree v0.6.0
[INFO] [stderr]     Checking htmlescape v0.3.1
[INFO] [stderr]     Checking census v0.2.0
[INFO] [stderr]     Checking xmlparser v0.9.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.30
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking dtoa-short v0.3.2
[INFO] [stderr]     Checking walkdir v2.2.8
[INFO] [stderr]     Checking servo_arc v0.1.1
[INFO] [stderr]     Checking arrayvec v0.4.11
[INFO] [stderr]     Checking tendril v0.4.1
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]    Compiling parking_lot_core v0.6.1
[INFO] [stderr]    Compiling hyper v0.12.32
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking fst v0.3.3
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking murmurhash32 v0.2.0
[INFO] [stderr]     Checking snap v0.2.5
[INFO] [stderr]     Checking scoped-pool v1.0.0
[INFO] [stderr]     Checking bit-set v0.5.1
[INFO] [stderr]     Checking roxmltree v0.6.1
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]    Compiling serde_derive v1.0.94
[INFO] [stderr]    Compiling cssparser v0.25.8
[INFO] [stderr]    Compiling html5ever v0.22.5
[INFO] [stderr]    Compiling rental-impl v0.5.4
[INFO] [stderr]    Compiling html5ever v0.23.0
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking bitpacking v0.8.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking levenshtein_automata v0.1.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking getrandom v0.1.6
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking openssl-sys v0.9.47
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking filetime v0.2.5
[INFO] [stderr]     Checking miniz_oxide_c_api v0.2.2
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking dirs-sys v0.3.3
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking tantivy-fst v0.1.0
[INFO] [stderr]     Checking backtrace v0.3.32
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking flate2 v1.0.9
[INFO] [stderr]     Checking openssl v0.10.23
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking dirs v2.0.1
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.17
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking error-chain v0.12.1
[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-0.8.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C debuginfo=2 --cfg 'feature="bitpacker4x"' -C metadata=04f894ad4c77a920 -C extra-filename=-04f894ad4c77a920 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern crunchy=/opt/rustwide/target/debug/deps/libcrunchy-2f0b4c71ecf70ad0.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 `serde_derive`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde_derive /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_derive-1.0.94/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C debuginfo=2 --cfg 'feature="default"' -C metadata=bd7ccaf106dabef9 -C extra-filename=-bd7ccaf106dabef9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-c6173b32a7d3908e.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-e471435ddcd68b0d.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-69deaa1925ff553c.rlib --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" "16a2091f1770ae1ca36eaf70fe0e747db83912fbab7014464c4de58b161de29d"`
[INFO] running `"docker" "rm" "-f" "16a2091f1770ae1ca36eaf70fe0e747db83912fbab7014464c4de58b161de29d"`
[INFO] [stdout] 16a2091f1770ae1ca36eaf70fe0e747db83912fbab7014464c4de58b161de29d