[INFO] cloning repository https://github.com/Lev-Stambler/malloc-protocol-pass-through-chained
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lev-Stambler/malloc-protocol-pass-through-chained" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLev-Stambler%2Fmalloc-protocol-pass-through-chained", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLev-Stambler%2Fmalloc-protocol-pass-through-chained'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7457eb92cc076d6c69187d1dfb9afa065ab26657
[INFO] checking Lev-Stambler/malloc-protocol-pass-through-chained against try#4a04890980766cc79878135f5ade8c0c4321e943 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLev-Stambler%2Fmalloc-protocol-pass-through-chained" "/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/Lev-Stambler/malloc-protocol-pass-through-chained on toolchain 4a04890980766cc79878135f5ade8c0c4321e943
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Lev-Stambler/malloc-protocol-pass-through-chained
[INFO] finished tweaking git repo https://github.com/Lev-Stambler/malloc-protocol-pass-through-chained
[INFO] tweaked toml for git repo https://github.com/Lev-Stambler/malloc-protocol-pass-through-chained written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Lev-Stambler/malloc-protocol-pass-through-chained already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "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" "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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f181a86a45155b230ee419b26a48fc1a50a859ac1358069505b1d2ec0e4d56f0
[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" "f181a86a45155b230ee419b26a48fc1a50a859ac1358069505b1d2ec0e4d56f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f181a86a45155b230ee419b26a48fc1a50a859ac1358069505b1d2ec0e4d56f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f181a86a45155b230ee419b26a48fc1a50a859ac1358069505b1d2ec0e4d56f0", kill_on_drop: false }`
[INFO] [stdout] f181a86a45155b230ee419b26a48fc1a50a859ac1358069505b1d2ec0e4d56f0
[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" "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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0dced9ac7e1f824d82dce7e6283aa9173a8d7181fb7a477b7dcc19b01c1b55b2
[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" "0dced9ac7e1f824d82dce7e6283aa9173a8d7181fb7a477b7dcc19b01c1b55b2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stderr]     Checking rand v0.8.3
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[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]     Checking tokio-reactor v0.1.12
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[INFO] [stderr]    Compiling jemalloc-sys v0.3.2
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[INFO] [stderr]    Compiling bzip2-sys v0.1.10+1.0.8
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[INFO] [stderr]     Checking tokio-uds v0.2.7
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[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr] error: could not compile `regex`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-1.4.3/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="aho-corasick"' --cfg 'feature="default"' --cfg 'feature="memchr"' --cfg 'feature="perf"' --cfg 'feature="perf-cache"' --cfg 'feature="perf-dfa"' --cfg 'feature="perf-inline"' --cfg 'feature="perf-literal"' --cfg 'feature="std"' --cfg 'feature="thread_local"' --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=f6997adaa96195d3 -C extra-filename=-f6997adaa96195d3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern aho_corasick=/opt/rustwide/target/debug/deps/libaho_corasick-ad99b36d87dad5ef.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-e220204c3e6e1397.rmeta --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-9e9531b190d3ae50.rmeta --extern thread_local=/opt/rustwide/target/debug/deps/libthread_local-fd68c290b0eaf507.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: build failed
[INFO] running `Command { std: "docker" "inspect" "0dced9ac7e1f824d82dce7e6283aa9173a8d7181fb7a477b7dcc19b01c1b55b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dced9ac7e1f824d82dce7e6283aa9173a8d7181fb7a477b7dcc19b01c1b55b2", kill_on_drop: false }`
[INFO] [stdout] 0dced9ac7e1f824d82dce7e6283aa9173a8d7181fb7a477b7dcc19b01c1b55b2