[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 master#339f574809bf8e4166b8de3cdbe7df181d37af3d for pr-71896
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fashfordneil%2Flooker" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ashfordneil/looker on toolchain 339f574809bf8e4166b8de3cdbe7df181d37af3d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+339f574809bf8e4166b8de3cdbe7df181d37af3d" "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-1/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" "+339f574809bf8e4166b8de3cdbe7df181d37af3d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+339f574809bf8e4166b8de3cdbe7df181d37af3d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cbeb5c80cb2d4bfe08b5acf4cb60126254ca9b7bd6717bee6115d12f36098019
[INFO] running `"docker" "start" "-a" "cbeb5c80cb2d4bfe08b5acf4cb60126254ca9b7bd6717bee6115d12f36098019"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling cc v1.0.34
[INFO] [stderr]    Compiling regex v1.1.5
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking ascii v0.9.1
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking scopeguard v0.1.2
[INFO] [stderr]     Checking variance v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.4.2
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking census v0.2.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.6
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking bit-set v0.5.1
[INFO] [stderr]     Checking arrayvec v0.4.10
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking fst v0.3.3
[INFO] [stderr]     Checking snap v0.2.5
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking murmurhash32 v0.2.0
[INFO] [stderr]     Checking scoped-pool v1.0.0
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]     Checking bitpacking v0.6.0
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking levenshtein_automata v0.1.1
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking iovec v0.1.2
[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 atty v0.2.11
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking nix v0.11.0
[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 tantivy-fst v0.1.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking fail v0.2.1
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking notify v4.0.10
[INFO] [stderr]     Checking tempfile v3.0.7
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking crossbeam v0.5.0
[INFO] [stderr]     Checking globset v0.4.2
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]     Checking ignore v0.4.6
[INFO] [stderr]     Checking atomicwrites v0.2.2
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking serde_json v1.0.39
[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 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=215cc401fc22079b -C extra-filename=-215cc401fc22079b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern crunchy=/opt/rustwide/target/debug/deps/libcrunchy-15d7ee0f9f10e587.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=135aa04dc58d6638 -C extra-filename=-135aa04dc58d6638 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-3a0984fecb525da4.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-8511e68aa3b386cd.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-fcbcc78e0c4738e9.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: linking with `cc` failed: signal: 9
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/rustwide/rustup-home/toolchains/339f574809bf8e4166b8de3cdbe7df181d37af3d/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/serde_derive-28e2dd0ff324156d.serde_derive.e0uipl4e-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/serde_derive-28e2dd0ff324156d.serde_derive.e0uipl4e-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/serde_derive-28e2dd0ff324156d.serde_derive.e0uipl4e-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/serde_derive-28e2dd0ff324156d.serde_derive.e0uipl4e-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/serde_derive-28e2dd0ff324156d.serde_derive.e0uipl4e-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/serde_derive-28e2dd0ff324156d.serde_derive.e0uipl4e-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/serde_derive-28e2dd0ff324156d.serde_derive.e0uipl4e-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/serde_derive-28e2dd0ff324156d.serde_derive.e0uipl4e-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/serde_derive-28e2dd0ff324156d.serde_derive.e0uipl4e-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/serde_derive-28e2dd0ff324156d.serde_derive.e0uipl4e-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/serde_derive-28e2dd0ff324156d.serde_derive.e0uipl4e-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/serde_derive-28e2dd0ff324156d.serde_derive.e0uipl4e-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/serde_derive-28e2dd0ff324156d.serde_derive.e0uipl4e-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/serde_derive-28e2dd0ff324156d.serde_derive.e0uipl4e-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/serde_derive-28e2dd0ff324156d.serde_derive.e0uipl4e-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/serde_derive-28e2dd0ff324156d.serde_derive.e0uipl4e-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/libserde_derive-28e2dd0ff324156d.so" "/opt/rustwide/target/debug/deps/serde_derive-28e2dd0ff324156d.304inmo66oix3fun.rcgu.o" "/opt/rustwide/target/debug/deps/serde_derive-28e2dd0ff324156d.9tk57eqhv82ksic.rcgu.o" "-Wl,--gc-sections" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/339f574809bf8e4166b8de3cdbe7df181d37af3d/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libsyn-fcbcc78e0c4738e9.rlib" "/opt/rustwide/target/debug/deps/libquote-8511e68aa3b386cd.rlib" "/opt/rustwide/target/debug/deps/libproc_macro2-3a0984fecb525da4.rlib" "/opt/rustwide/target/debug/deps/libunicode_xid-ff4fcdd9189ddc82.rlib" "/opt/rustwide/rustup-home/toolchains/339f574809bf8e4166b8de3cdbe7df181d37af3d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libproc_macro-3f191c3d8e42b3b9.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/339f574809bf8e4166b8de3cdbe7df181d37af3d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-7d65a344221c409b.rlib" "/opt/rustwide/rustup-home/toolchains/339f574809bf8e4166b8de3cdbe7df181d37af3d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-54df1a0c3024f5bd.rlib" "/opt/rustwide/rustup-home/toolchains/339f574809bf8e4166b8de3cdbe7df181d37af3d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-bb312de2a5d7d307.rlib" "/opt/rustwide/rustup-home/toolchains/339f574809bf8e4166b8de3cdbe7df181d37af3d/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-60c21d234379de22.rlib" "/opt/rustwide/rustup-home/toolchains/339f574809bf8e4166b8de3cdbe7df181d37af3d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-045480d965da2c45.rlib" "/opt/rustwide/rustup-home/toolchains/339f574809bf8e4166b8de3cdbe7df181d37af3d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-8ec1303a38498da9.rlib" "/opt/rustwide/rustup-home/toolchains/339f574809bf8e4166b8de3cdbe7df181d37af3d/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-18658537df359212.rlib" "/opt/rustwide/rustup-home/toolchains/339f574809bf8e4166b8de3cdbe7df181d37af3d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-b87be9f0e57bd4bf.rlib" "/opt/rustwide/rustup-home/toolchains/339f574809bf8e4166b8de3cdbe7df181d37af3d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-3a677d13d4ec517d.rlib" "/opt/rustwide/rustup-home/toolchains/339f574809bf8e4166b8de3cdbe7df181d37af3d/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-ac41f78688451395.rlib" "/opt/rustwide/rustup-home/toolchains/339f574809bf8e4166b8de3cdbe7df181d37af3d/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-f11f1597d535049a.rlib" "/opt/rustwide/rustup-home/toolchains/339f574809bf8e4166b8de3cdbe7df181d37af3d/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-428d15b56101bdc7.rlib" "/opt/rustwide/rustup-home/toolchains/339f574809bf8e4166b8de3cdbe7df181d37af3d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-941f7f6bc622e313.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/339f574809bf8e4166b8de3cdbe7df181d37af3d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-e77b8f5da9460407.rlib" "-Wl,-Bdynamic" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil" "-shared"
[INFO] [stderr]   = note: 
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `serde_derive`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "cbeb5c80cb2d4bfe08b5acf4cb60126254ca9b7bd6717bee6115d12f36098019"`
[INFO] running `"docker" "rm" "-f" "cbeb5c80cb2d4bfe08b5acf4cb60126254ca9b7bd6717bee6115d12f36098019"`
[INFO] [stdout] cbeb5c80cb2d4bfe08b5acf4cb60126254ca9b7bd6717bee6115d12f36098019