[INFO] cloning repository https://github.com/noneuclideangirl/cocol
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/noneuclideangirl/cocol" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoneuclideangirl%2Fcocol", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoneuclideangirl%2Fcocol'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e74e999ec2f1469bdfa04e025714cf944b1526bc
[INFO] testing noneuclideangirl/cocol against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoneuclideangirl%2Fcocol" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/noneuclideangirl/cocol on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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-9/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9b32bdc33c3470b816461b1f9f1e3276e9c1d169703897ca8c383671820bb05f
[INFO] running `Command { std: "docker" "start" "-a" "9b32bdc33c3470b816461b1f9f1e3276e9c1d169703897ca8c383671820bb05f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b32bdc33c3470b816461b1f9f1e3276e9c1d169703897ca8c383671820bb05f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b32bdc33c3470b816461b1f9f1e3276e9c1d169703897ca8c383671820bb05f", kill_on_drop: false }`
[INFO] [stdout] 9b32bdc33c3470b816461b1f9f1e3276e9c1d169703897ca8c383671820bb05f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e8b320b3db080e3279f9ac4150cb4aef14f03300f2ccaddf5898ea73893191e
[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" "5e8b320b3db080e3279f9ac4150cb4aef14f03300f2ccaddf5898ea73893191e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling static_assertions v0.3.4
[INFO] [stderr]    Compiling syn v1.0.16
[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 simple-error v0.2.1
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling lexical-core v0.6.7
[INFO] [stderr]    Compiling shaderc-sys v0.6.1
[INFO] [stderr]    Compiling nom v5.1.1
[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 shared_library v0.1.9
[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] 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 -C embed-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=13d78995f67e93b1 -C extra-filename=-13d78995f67e93b1 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern arrayvec=/opt/rustwide/target/debug/deps/libarrayvec-d6d5f0e8543c1123.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-df474a8ca45884a8.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-3ffe9d8230e44ab9.rmeta --extern ryu=/opt/rustwide/target/debug/deps/libryu-8e9eea2d356f9ff2.rmeta --extern static_assertions=/opt/rustwide/target/debug/deps/libstatic_assertions-7b13896bca634c9f.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" "5e8b320b3db080e3279f9ac4150cb4aef14f03300f2ccaddf5898ea73893191e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e8b320b3db080e3279f9ac4150cb4aef14f03300f2ccaddf5898ea73893191e", kill_on_drop: false }`
[INFO] [stdout] 5e8b320b3db080e3279f9ac4150cb4aef14f03300f2ccaddf5898ea73893191e