[INFO] cloning repository https://github.com/Jeffrey-P-McAteer/cexec
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jeffrey-P-McAteer/cexec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJeffrey-P-McAteer%2Fcexec", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJeffrey-P-McAteer%2Fcexec'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 33bf83208f1ee9704c297c3fdc8f4e1fa4cf204b
[INFO] documenting Jeffrey-P-McAteer/cexec against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJeffrey-P-McAteer%2Fcexec" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jeffrey-P-McAteer/cexec on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Jeffrey-P-McAteer/cexec
[INFO] finished tweaking git repo https://github.com/Jeffrey-P-McAteer/cexec
[INFO] tweaked toml for git repo https://github.com/Jeffrey-P-McAteer/cexec written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Jeffrey-P-McAteer/cexec already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/Jeffrey-P-McAteer/wasmi.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.54.0" "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] 52ee2aa6e3d5ae85ca2a374f39851d7b88662bfc881adf1e5d1949f3260dd383
[INFO] running `Command { std: "docker" "start" "-a" "52ee2aa6e3d5ae85ca2a374f39851d7b88662bfc881adf1e5d1949f3260dd383", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52ee2aa6e3d5ae85ca2a374f39851d7b88662bfc881adf1e5d1949f3260dd383", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52ee2aa6e3d5ae85ca2a374f39851d7b88662bfc881adf1e5d1949f3260dd383", kill_on_drop: false }`
[INFO] [stdout] 52ee2aa6e3d5ae85ca2a374f39851d7b88662bfc881adf1e5d1949f3260dd383
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", 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] 0384963c6e9c5571e3c3285ddd65a6c89fb5a0544e7859eb0a894073c9d7c330
[INFO] running `Command { std: "docker" "start" "-a" "0384963c6e9c5571e3c3285ddd65a6c89fb5a0544e7859eb0a894073c9d7c330", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling crc24 v0.1.6
[INFO] [stderr]     Checking signature v1.3.0
[INFO] [stderr]     Checking circular v0.3.0
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]    Compiling num-bigint-dig v0.6.1
[INFO] [stderr]     Checking wasmi-validation v0.3.0 (https://github.com/Jeffrey-P-McAteer/wasmi.git#bc319612)
[INFO] [stderr]    Compiling wabt-sys v0.8.0
[INFO] [stderr]     Checking pem v0.8.2
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking nom v4.2.3
[INFO] [stderr]     Checking stream-cipher v0.7.1
[INFO] [stderr]     Checking block-modes v0.6.1
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking sha2 v0.9.3
[INFO] [stderr]     Checking ripemd160 v0.9.1
[INFO] [stderr]     Checking sha-1 v0.9.3
[INFO] [stderr]     Checking md-5 v0.9.1
[INFO] [stderr]     Checking ed25519 v1.0.3
[INFO] [stderr]     Checking cfb-mode v0.5.0
[INFO] [stderr]     Checking aes-soft v0.5.0
[INFO] [stderr]     Checking des v0.5.0
[INFO] [stderr]     Checking twofish v0.4.0
[INFO] [stderr]     Checking blowfish v0.6.0
[INFO] [stderr]     Checking cast5 v0.8.0
[INFO] [stderr]     Checking aes v0.5.0
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking wasmi v0.7.0 (https://github.com/Jeffrey-P-McAteer/wasmi.git#bc319612)
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking simple_asn1 v0.4.1
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.60/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="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=3abe91584a76c39f -C extra-filename=-3abe91584a76c39f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-540b6631119ce641.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-78fa2bb1cf53b619.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-12009cf1a2496f6d.rmeta --cap-lints allow --cfg syn_disable_nightly_tests` (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" "0384963c6e9c5571e3c3285ddd65a6c89fb5a0544e7859eb0a894073c9d7c330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0384963c6e9c5571e3c3285ddd65a6c89fb5a0544e7859eb0a894073c9d7c330", kill_on_drop: false }`
[INFO] [stdout] 0384963c6e9c5571e3c3285ddd65a6c89fb5a0544e7859eb0a894073c9d7c330
