[INFO] updating cached repository https://github.com/noneuclideangirl/cocol
[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] e74e999ec2f1469bdfa04e025714cf944b1526bc
[INFO] checking noneuclideangirl/cocol against try#1a399c10897767c36d147199696c96f193034e49 for pr-72644
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoneuclideangirl%2Fcocol" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/noneuclideangirl/cocol on toolchain 1a399c10897767c36d147199696c96f193034e49
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/noneuclideangirl/cocol
[INFO] finished tweaking git repo https://github.com/noneuclideangirl/cocol
[INFO] tweaked toml for git repo https://github.com/noneuclideangirl/cocol written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/noneuclideangirl/cocol already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1a399c10897767c36d147199696c96f193034e49" "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] 175db2d26132b164e907597ddee58e63c0298d75c36a096cf442305478435066
[INFO] running `"docker" "start" "-a" "175db2d26132b164e907597ddee58e63c0298d75c36a096cf442305478435066"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling vulkano v0.17.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking half v1.4.1
[INFO] [stderr]     Checking bytecount v0.6.0
[INFO] [stderr]     Checking vk-sys v0.5.1
[INFO] [stderr]     Checking simple-error v0.2.1
[INFO] [stderr]    Compiling shaderc-sys v0.6.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling lexical-core v0.6.7
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr] error: could not compile `lexical-core`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name lexical_core /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.6.7/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -Cembed-bitcode=no -C debuginfo=2 --cfg 'feature="arrayvec"' --cfg 'feature="correct"' --cfg 'feature="default"' --cfg 'feature="ryu"' --cfg 'feature="static_assertions"' --cfg 'feature="std"' --cfg 'feature="table"' -C metadata=f53ecc1aa6036dc0 -C extra-filename=-f53ecc1aa6036dc0 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern arrayvec=/opt/rustwide/target/debug/deps/libarrayvec-641174a8088a5f50.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-938ce14d136842b0.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-59738fcb5816e4e5.rmeta --extern ryu=/opt/rustwide/target/debug/deps/libryu-6138a670f54fad08.rmeta --extern static_assertions=/opt/rustwide/target/debug/deps/libstatic_assertions-2b81c49904705d48.rmeta --cap-lints allow --cap-lints=forbid --cfg has_range_bounds --cfg has_slice_index --cfg has_full_range_inclusive --cfg has_const_index --cfg has_i128 --cfg has_ops_bound --cfg has_pointer_methods --cfg has_range_inclusive --cfg limb_width_64` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: Checking for system installed libraries.  Use --features = build-from-source to disable this behavior
[INFO] [stderr] warning: System installed library not found.  Falling back to build from source
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "175db2d26132b164e907597ddee58e63c0298d75c36a096cf442305478435066"`
[INFO] running `"docker" "rm" "-f" "175db2d26132b164e907597ddee58e63c0298d75c36a096cf442305478435066"`
[INFO] [stdout] 175db2d26132b164e907597ddee58e63c0298d75c36a096cf442305478435066