[INFO] cloning repository https://github.com/dholroyd/whatf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dholroyd/whatf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdholroyd%2Fwhatf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdholroyd%2Fwhatf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3c7b09a39cca1e940858236d6996e0687c94f04b
[INFO] checking dholroyd/whatf against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdholroyd%2Fwhatf" "/workspace/builds/worker-73/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-73/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dholroyd/whatf on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dholroyd/whatf
[INFO] finished tweaking git repo https://github.com/dholroyd/whatf
[INFO] tweaked toml for git repo https://github.com/dholroyd/whatf written to /workspace/builds/worker-73/source/Cargo.toml
[INFO] crate git repo https://github.com/dholroyd/whatf already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3eab122485199fdae827d34065f9e2fd0c4bada10ee7266f7e38d987e1d3a265
[INFO] running `Command { std: "docker" "start" "-a" "3eab122485199fdae827d34065f9e2fd0c4bada10ee7266f7e38d987e1d3a265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3eab122485199fdae827d34065f9e2fd0c4bada10ee7266f7e38d987e1d3a265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3eab122485199fdae827d34065f9e2fd0c4bada10ee7266f7e38d987e1d3a265", kill_on_drop: false }`
[INFO] [stdout] 3eab122485199fdae827d34065f9e2fd0c4bada10ee7266f7e38d987e1d3a265
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03cfbc4e039cf286826283472070fc79e969ede86ed9e4a3db5d28d7047abb7d
[INFO] running `Command { std: "docker" "start" "-a" "03cfbc4e039cf286826283472070fc79e969ede86ed9e4a3db5d28d7047abb7d", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.20
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling gcc v0.3.43
[INFO] [stderr]     Checking rustc-serialize v0.3.22
[INFO] [stderr]     Checking num-traits v0.1.36
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]    Compiling quote v0.3.13
[INFO] [stderr]     Checking matches v0.1.4
[INFO] [stderr]    Compiling term v0.4.5
[INFO] [stderr]     Checking unicode-normalization v0.1.4
[INFO] [stderr]     Checking lazy_static v0.2.2
[INFO] [stderr]    Compiling openssl v0.9.7
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]     Checking futures v0.1.11
[INFO] [stderr]     Checking unicode-xid v0.0.4
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking httparse v1.2.1
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling itoa v0.1.1
[INFO] [stderr]    Compiling dtoa v0.2.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking bitflags v0.8.0
[INFO] [stderr]    Compiling ring v0.6.3
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking untrusted v0.3.2
[INFO] [stderr]     Checking regex-syntax v0.4.0
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking md5 v0.3.3
[INFO] [stderr]     Checking unicode-segmentation v1.1.0
[INFO] [stderr]     Checking serde v0.9.12
[INFO] [stderr]     Checking vec_map v0.7.0
[INFO] [stderr]     Checking nom v2.1.0
[INFO] [stderr]     Checking urlparse v0.7.3
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]    Compiling unicase v1.4.0
[INFO] [stderr]    Compiling hyper v0.10.5
[INFO] [stderr]    Compiling hyper v0.11.0-a.0 (https://github.com/hyperium/hyper.git#d63b7de4)
[INFO] [stderr]     Checking xml-rs v0.3.6
[INFO] [stderr]    Compiling mime v0.2.2
[INFO] [stderr]     Checking unicode-bidi v0.2.5
[INFO] [stderr] error: could not compile `serde`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-0.9.12/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=f0e65a23b0842cd4 -C extra-filename=-f0e65a23b0842cd4 --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" "03cfbc4e039cf286826283472070fc79e969ede86ed9e4a3db5d28d7047abb7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03cfbc4e039cf286826283472070fc79e969ede86ed9e4a3db5d28d7047abb7d", kill_on_drop: false }`
[INFO] [stdout] 03cfbc4e039cf286826283472070fc79e969ede86ed9e4a3db5d28d7047abb7d