[INFO] cloning repository https://github.com/Celti/zero-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Celti/zero-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCelti%2Fzero-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCelti%2Fzero-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc2d872c008c8c6fea0859179ed86837ff12b868
[INFO] documenting Celti/zero-rs 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%2FCelti%2Fzero-rs" "/workspace/builds/worker-16/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-16/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Celti/zero-rs 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/Celti/zero-rs
[INFO] finished tweaking git repo https://github.com/Celti/zero-rs
[INFO] tweaked toml for git repo https://github.com/Celti/zero-rs written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] crate git repo https://github.com/Celti/zero-rs 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 memchr v2.1.0
[INFO] [stderr]   Downloaded tiny_http v0.6.0
[INFO] [stderr]   Downloaded mustache v0.8.2
[INFO] [stderr]   Downloaded regex v1.0.5
[INFO] [stderr]   Downloaded dotenv v0.13.0
[INFO] [stderr]   Downloaded iron v0.6.0
[INFO] [stderr]   Downloaded want v0.0.6
[INFO] [stderr]   Downloaded input_buffer v0.2.0
[INFO] [stderr]   Downloaded log-panics v2.0.0
[INFO] [stderr]   Downloaded data-encoding v2.1.1
[INFO] [stderr]   Downloaded h2 v0.1.12
[INFO] [stderr]   Downloaded http v0.1.13
[INFO] [stderr]   Downloaded serde_json v1.0.31
[INFO] [stderr]   Downloaded nickel v0.10.1
[INFO] [stderr]   Downloaded pretty_env_logger v0.2.4
[INFO] [stderr]   Downloaded tungstenite v0.6.0
[INFO] [stderr]   Downloaded magic v0.12.2
[INFO] [stderr]   Downloaded warp v0.1.4
[INFO] [stderr]   Downloaded slice-deque v0.1.13
[INFO] [stderr]   Downloaded hyper v0.12.11
[INFO] [stderr]   Downloaded magic-sys v0.2.0
[INFO] [stderr]   Downloaded buf_redux v0.7.1
[INFO] [stderr]   Downloaded utf-8 v0.7.4
[INFO] [stderr]   Downloaded mach v0.2.2
[INFO] [stderr]   Downloaded multipart v0.15.3
[INFO] [stderr]   Downloaded ring v0.13.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] 52100b256cb13c04a7875b3a88bfd465c6dadf659dd035014da4849f3087afe7
[INFO] running `Command { std: "docker" "start" "-a" "52100b256cb13c04a7875b3a88bfd465c6dadf659dd035014da4849f3087afe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52100b256cb13c04a7875b3a88bfd465c6dadf659dd035014da4849f3087afe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52100b256cb13c04a7875b3a88bfd465c6dadf659dd035014da4849f3087afe7", kill_on_drop: false }`
[INFO] [stdout] 52100b256cb13c04a7875b3a88bfd465c6dadf659dd035014da4849f3087afe7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] 937bbe5382766f37c9d011e0eccccda3fe26a3b267f8a61cdef8b50f532ed030
[INFO] running `Command { std: "docker" "start" "-a" "937bbe5382766f37c9d011e0eccccda3fe26a3b267f8a61cdef8b50f532ed030", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking futures v0.1.24
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]     Checking lazycell v1.2.0
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.19
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]     Checking utf8-ranges v1.0.1
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling serde v1.0.79
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking arrayref v0.3.5
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]    Compiling pq-sys v0.4.6
[INFO] [stderr]     Checking string v0.1.1
[INFO] [stderr]    Compiling magic-sys v0.2.0
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]     Checking indexmap v1.0.1
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking chunked_transfer v0.3.1
[INFO] [stderr]     Checking ascii v0.8.7
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking utf-8 v0.7.4
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]     Checking groupable v0.2.0
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking urlencoding v1.0.0
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]     Checking data-encoding v2.1.1
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]     Checking log v0.4.5
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking slice-deque v0.1.13
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]    Compiling unicase v2.1.0
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.0
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking log-panics v2.0.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking smallvec v0.6.5
[INFO] [stderr]     Checking bytes v0.4.10
[INFO] [stderr] error: could not compile `proc-macro2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name proc_macro2 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="proc-macro"' -C metadata=2873e1ac9b36fc99 -C extra-filename=-2873e1ac9b36fc99 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-123b1a1a47f71896.rmeta --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "937bbe5382766f37c9d011e0eccccda3fe26a3b267f8a61cdef8b50f532ed030", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "937bbe5382766f37c9d011e0eccccda3fe26a3b267f8a61cdef8b50f532ed030", kill_on_drop: false }`
[INFO] [stdout] 937bbe5382766f37c9d011e0eccccda3fe26a3b267f8a61cdef8b50f532ed030