[INFO] cloning repository https://github.com/flatcar-linux/coreos-metadata
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flatcar-linux/coreos-metadata" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflatcar-linux%2Fcoreos-metadata", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflatcar-linux%2Fcoreos-metadata'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bb3cdd0b895e9803c843d1e1831f9c0613e35e02
[INFO] [stderr] warning: refname 'HEAD' is ambiguous.
[INFO] documenting flatcar-linux/coreos-metadata against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflatcar-linux%2Fcoreos-metadata" "/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/flatcar-linux/coreos-metadata on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/flatcar-linux/coreos-metadata
[INFO] finished tweaking git repo https://github.com/flatcar-linux/coreos-metadata
[INFO] tweaked toml for git repo https://github.com/flatcar-linux/coreos-metadata written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/flatcar-linux/coreos-metadata already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded byte-tools v0.3.0
[INFO] [stderr]   Downloaded redox_syscall v0.1.44
[INFO] [stderr]   Downloaded block-padding v0.1.2
[INFO] [stderr]   Downloaded opaque-debug v0.2.1
[INFO] [stderr]   Downloaded libc v0.2.47
[INFO] [stderr]   Downloaded slog-async v2.3.0
[INFO] [stderr]   Downloaded slog-term v2.4.0
[INFO] [stderr]   Downloaded syn v0.15.23
[INFO] [stderr]   Downloaded memchr v2.1.2
[INFO] [stderr]   Downloaded pnet v0.22.0
[INFO] [stderr]   Downloaded pnet_packet v0.22.0
[INFO] [stderr]   Downloaded slog-scope v4.0.1
[INFO] [stderr]   Downloaded time v0.1.41
[INFO] [stderr]   Downloaded ipnetwork v0.14.0
[INFO] [stderr]   Downloaded colored v1.6.1
[INFO] [stderr]   Downloaded pnet_datalink v0.22.0
[INFO] [stderr]   Downloaded slog v2.4.1
[INFO] [stderr]   Downloaded cc v1.0.26
[INFO] [stderr]   Downloaded crossbeam-epoch v0.7.0
[INFO] [stderr]   Downloaded string v0.1.2
[INFO] [stderr]   Downloaded libflate v0.1.19
[INFO] [stderr]   Downloaded crossbeam-utils v0.6.3
[INFO] [stderr]   Downloaded pnet_macros_support v0.22.0
[INFO] [stderr]   Downloaded http v0.1.14
[INFO] [stderr]   Downloaded pnet_sys v0.22.0
[INFO] [stderr]   Downloaded pnet_transport v0.22.0
[INFO] [stderr]   Downloaded hyper v0.12.18
[INFO] [stderr]   Downloaded arrayvec v0.4.9
[INFO] [stderr]   Downloaded h2 v0.1.14
[INFO] [stderr]   Downloaded pnet_base v0.22.0
[INFO] [stderr]   Downloaded encoding_rs v0.8.13
[INFO] [stderr]   Downloaded mockito v0.17.0
[INFO] [stderr]   Downloaded update-ssh-keys v0.4.1
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58bf0ccc3db84277100592595ac211a43d870b9750e6412d7dce29b04b43f848
[INFO] running `Command { std: "docker" "start" "-a" "58bf0ccc3db84277100592595ac211a43d870b9750e6412d7dce29b04b43f848", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58bf0ccc3db84277100592595ac211a43d870b9750e6412d7dce29b04b43f848", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58bf0ccc3db84277100592595ac211a43d870b9750e6412d7dce29b04b43f848", kill_on_drop: false }`
[INFO] [stdout] 58bf0ccc3db84277100592595ac211a43d870b9750e6412d7dce29b04b43f848
[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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7595e5263d00ab7f746bce89ca118d363dab36ee6ac7870cbf1dcc4e1186aa4
[INFO] running `Command { std: "docker" "start" "-a" "d7595e5263d00ab7f746bce89ca118d363dab36ee6ac7870cbf1dcc4e1186aa4", 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] [stderr]    Compiling libc v0.2.47
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling arrayvec v0.4.9
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling cc v1.0.26
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking pnet_base v0.22.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling slog v2.4.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]     Checking byte-tools v0.3.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling crc32fast v1.1.2
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking string v0.1.2
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking opaque-debug v0.2.1
[INFO] [stderr]    Compiling encoding_rs v0.8.13
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]    Compiling pnet v0.22.0
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking error-chain v0.12.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr] error: could not compile `unicode-normalization`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name unicode_normalization /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/unicode-normalization-0.1.7/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=c60f88b3ee6ef46f -C extra-filename=-c60f88b3ee6ef46f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d7595e5263d00ab7f746bce89ca118d363dab36ee6ac7870cbf1dcc4e1186aa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7595e5263d00ab7f746bce89ca118d363dab36ee6ac7870cbf1dcc4e1186aa4", kill_on_drop: false }`
[INFO] [stdout] d7595e5263d00ab7f746bce89ca118d363dab36ee6ac7870cbf1dcc4e1186aa4