[INFO] cloning repository https://github.com/LeJane/tcp_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LeJane/tcp_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeJane%2Ftcp_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeJane%2Ftcp_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 36a84f13d2a77a50d11260f8590642e47091d10b
[INFO] checking LeJane/tcp_test against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeJane%2Ftcp_test" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LeJane/tcp_test on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LeJane/tcp_test
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/LeJane/tcp_test
[INFO] tweaked toml for git repo https://github.com/LeJane/tcp_test written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/LeJane/tcp_test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-core v0.1.11
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.7
[INFO] [stderr]   Downloaded debug-builders v0.1.0
[INFO] [stderr]   Downloaded pq-sys v0.4.6
[INFO] [stderr]   Downloaded diesel v1.4.5
[INFO] [stderr]   Downloaded proc-macro-hack v0.4.2
[INFO] [stderr]   Downloaded either v0.1.7
[INFO] [stderr]   Downloaded tracing v0.1.16
[INFO] [stderr]   Downloaded tracing-attributes v0.1.9
[INFO] [stderr]   Downloaded guid-macro-impl v0.1.0
[INFO] [stderr]   Downloaded proc-macro-hack-impl v0.4.2
[INFO] [stderr]   Downloaded debugtrace v0.1.0
[INFO] [stderr]   Downloaded chomp v0.3.1
[INFO] [stderr]   Downloaded murmur3 v0.5.1
[INFO] [stderr]   Downloaded backtrace v0.1.8
[INFO] [stderr]   Downloaded cityhash v0.1.1
[INFO] [stderr]   Downloaded guid v0.1.0
[INFO] [stderr]   Downloaded guid-parser v0.1.0
[INFO] [stderr]   Downloaded guid-create v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53f9eeec988f5f485c9225c9fb1d11bf87cb412d313d0b6714065016bd0c44a8
[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" "53f9eeec988f5f485c9225c9fb1d11bf87cb412d313d0b6714065016bd0c44a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53f9eeec988f5f485c9225c9fb1d11bf87cb412d313d0b6714065016bd0c44a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53f9eeec988f5f485c9225c9fb1d11bf87cb412d313d0b6714065016bd0c44a8", kill_on_drop: false }`
[INFO] [stdout] 53f9eeec988f5f485c9225c9fb1d11bf87cb412d313d0b6714065016bd0c44a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac43864fb6f576418b3b60a7a84d4a0aab76d07a941c6a1d0d87a588abcf3b99
[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" "ac43864fb6f576418b3b60a7a84d4a0aab76d07a941c6a1d0d87a588abcf3b99", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]    Compiling bindgen v0.49.4
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]     Checking waker-fn v1.0.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking parking v1.0.4
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking murmur3 v0.5.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking tracing-core v0.1.11
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking sharded-slab v0.0.9
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.0
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking concurrent-queue v1.1.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.18/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="default"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=0bf2c0c5f07aac96 -C extra-filename=-0bf2c0c5f07aac96 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --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 `Command { std: "docker" "inspect" "ac43864fb6f576418b3b60a7a84d4a0aab76d07a941c6a1d0d87a588abcf3b99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac43864fb6f576418b3b60a7a84d4a0aab76d07a941c6a1d0d87a588abcf3b99", kill_on_drop: false }`
[INFO] [stdout] ac43864fb6f576418b3b60a7a84d4a0aab76d07a941c6a1d0d87a588abcf3b99