[INFO] updating cached repository https://github.com/noneuclideangirl/cocol
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e74e999ec2f1469bdfa04e025714cf944b1526bc
[INFO] testing noneuclideangirl/cocol against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoneuclideangirl%2Fcocol" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/noneuclideangirl/cocol on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-6/source/Cargo.toml
[INFO] crate git repo https://github.com/noneuclideangirl/cocol already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35c37c53d2180770a8f1627ea609315aa2b8ca18d49d1d9172a915b84fd0c48b
[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" "35c37c53d2180770a8f1627ea609315aa2b8ca18d49d1d9172a915b84fd0c48b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35c37c53d2180770a8f1627ea609315aa2b8ca18d49d1d9172a915b84fd0c48b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35c37c53d2180770a8f1627ea609315aa2b8ca18d49d1d9172a915b84fd0c48b", kill_on_drop: false }`
[INFO] [stdout] 35c37c53d2180770a8f1627ea609315aa2b8ca18d49d1d9172a915b84fd0c48b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 098edc4e601913b04d3a45e435af51b5d4e694d9eb8c6c1c02fdd4a66144a093
[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" "098edc4e601913b04d3a45e435af51b5d4e694d9eb8c6c1c02fdd4a66144a093", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling static_assertions v0.3.4
[INFO] [stderr]    Compiling vulkano v0.17.0
[INFO] [stderr]    Compiling half v1.4.1
[INFO] [stderr]    Compiling vk-sys v0.5.1
[INFO] [stderr]    Compiling bytecount v0.6.0
[INFO] [stderr]    Compiling simple-error v0.2.1
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling lexical-core v0.6.7
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling shaderc-sys v0.6.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling 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,artifacts --crate-type lib --emit=dep-info,metadata,link -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=4e2a996bc6fd05e6 -C extra-filename=-4e2a996bc6fd05e6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern arrayvec=/opt/rustwide/target/debug/deps/libarrayvec-81371e88e327c2ef.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-56eca94422237621.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-45df0fd50fa2e287.rmeta --extern ryu=/opt/rustwide/target/debug/deps/libryu-6661baed86ca2b70.rmeta --extern static_assertions=/opt/rustwide/target/debug/deps/libstatic_assertions-0e3d1e4ebf4c56c7.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 `Command { std: "docker" "inspect" "098edc4e601913b04d3a45e435af51b5d4e694d9eb8c6c1c02fdd4a66144a093", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "098edc4e601913b04d3a45e435af51b5d4e694d9eb8c6c1c02fdd4a66144a093", kill_on_drop: false }`
[INFO] [stdout] 098edc4e601913b04d3a45e435af51b5d4e694d9eb8c6c1c02fdd4a66144a093