[INFO] fetching crate numext-fixed-hash 0.1.4...
[INFO] documenting numext-fixed-hash-0.1.4 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate numext-fixed-hash 0.1.4 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate numext-fixed-hash 0.1.4 on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate numext-fixed-hash 0.1.4
[INFO] finished tweaking crates.io crate numext-fixed-hash 0.1.4
[INFO] tweaked toml for crates.io crate numext-fixed-hash 0.1.4 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11771be599f1ad11cc645a38aae6c6b86275305cfdf6b063c5073e6b5180b883
[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" "11771be599f1ad11cc645a38aae6c6b86275305cfdf6b063c5073e6b5180b883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11771be599f1ad11cc645a38aae6c6b86275305cfdf6b063c5073e6b5180b883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11771be599f1ad11cc645a38aae6c6b86275305cfdf6b063c5073e6b5180b883", kill_on_drop: false }`
[INFO] [stdout] 11771be599f1ad11cc645a38aae6c6b86275305cfdf6b063c5073e6b5180b883
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "RUSTDOCFLAGS=--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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5494609b78e5ba32d1341847310bf32f68b04a6597451f12dd9bb8a4d55aafa4
[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" "5494609b78e5ba32d1341847310bf32f68b04a6597451f12dd9bb8a4d55aafa4", kill_on_drop: false }`
[INFO] [stderr]    Compiling adler32 v1.1.0
[INFO] [stderr]    Compiling gimli v0.21.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking numext-fixed-uint-core v0.1.4
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling addr2line v0.12.2
[INFO] [stderr]    Compiling backtrace v0.3.49
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling numext-fixed-uint-hack v0.1.4
[INFO] [stderr]    Compiling numext-fixed-uint v0.1.4
[INFO] [stderr]    Compiling numext-fixed-hash-core v0.1.4
[INFO] [stderr] error: could not compile `numext-fixed-hash-core`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name numext_fixed_hash_core --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/numext-fixed-hash-core-0.1.4/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="default"' -C metadata=e76971c0875e11ca -C extra-filename=-e76971c0875e11ca --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern failure=/opt/rustwide/target/debug/deps/libfailure-d24bf09571c3451e.rmeta --extern numext_constructor=/opt/rustwide/target/debug/deps/libnumext_constructor-9c8f1e0dec498d42.so --extern numext_fixed_uint=/opt/rustwide/target/debug/deps/libnumext_fixed_uint-7934c227c380e4dd.rmeta --cap-lints allow` (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" "5494609b78e5ba32d1341847310bf32f68b04a6597451f12dd9bb8a4d55aafa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5494609b78e5ba32d1341847310bf32f68b04a6597451f12dd9bb8a4d55aafa4", kill_on_drop: false }`
[INFO] [stdout] 5494609b78e5ba32d1341847310bf32f68b04a6597451f12dd9bb8a4d55aafa4