[INFO] cloning repository https://github.com/CircuitCoder/CommRegServer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CircuitCoder/CommRegServer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCircuitCoder%2FCommRegServer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCircuitCoder%2FCommRegServer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e4117ac0477727761d77ee2b76554d3aef3971bb
[INFO] documenting CircuitCoder/CommRegServer 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%2FCircuitCoder%2FCommRegServer" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CircuitCoder/CommRegServer 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/CircuitCoder/CommRegServer
[INFO] finished tweaking git repo https://github.com/CircuitCoder/CommRegServer
[INFO] tweaked toml for git repo https://github.com/CircuitCoder/CommRegServer written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/CircuitCoder/CommRegServer 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 log v0.4.1
[INFO] [stderr]   Downloaded itoa v0.4.1
[INFO] [stderr]   Downloaded linked-hash-map v0.5.1
[INFO] [stderr]   Downloaded quote v0.5.1
[INFO] [stderr]   Downloaded proc-macro2 v0.3.6
[INFO] [stderr]   Downloaded toml v0.4.6
[INFO] [stderr]   Downloaded idna v0.1.4
[INFO] [stderr]   Downloaded nix v0.9.0
[INFO] [stderr]   Downloaded aho-corasick v0.6.4
[INFO] [stderr]   Downloaded slab v0.3.0
[INFO] [stderr]   Downloaded matches v0.1.6
[INFO] [stderr]   Downloaded textwrap v0.9.0
[INFO] [stderr]   Downloaded vec_map v0.8.0
[INFO] [stderr]   Downloaded atty v0.2.8
[INFO] [stderr]   Downloaded unicode-normalization v0.1.5
[INFO] [stderr]   Downloaded net2 v0.2.32
[INFO] [stderr]   Downloaded mio v0.6.14
[INFO] [stderr]   Downloaded itertools v0.7.8
[INFO] [stderr]   Downloaded byteorder v1.2.2
[INFO] [stderr]   Downloaded num-traits v0.2.2
[INFO] [stderr]   Downloaded bindgen v0.33.2
[INFO] [stderr]   Downloaded strsim v0.7.0
[INFO] [stderr]   Downloaded redox_syscall v0.1.37
[INFO] [stderr]   Downloaded bytes v0.4.6
[INFO] [stderr]   Downloaded either v1.5.0
[INFO] [stderr]   Downloaded version_check v0.1.3
[INFO] [stderr]   Downloaded pear v0.0.15
[INFO] [stderr]   Downloaded rocket v0.3.8
[INFO] [stderr]   Downloaded cfg-if v0.1.2
[INFO] [stderr]   Downloaded lazy_static v1.0.0
[INFO] [stderr]   Downloaded clang-sys v0.22.0
[INFO] [stderr]   Downloaded rayon-core v1.4.0
[INFO] [stderr]   Downloaded syn v0.13.1
[INFO] [stderr]   Downloaded quine-mc_cluskey v0.2.4
[INFO] [stderr]   Downloaded url v1.7.0
[INFO] [stderr]   Downloaded regex-syntax v0.5.3
[INFO] [stderr]   Downloaded ctrlc v3.1.0
[INFO] [stderr]   Downloaded serde_json v1.0.13
[INFO] [stderr]   Downloaded yaml-rust v0.4.0
[INFO] [stderr]   Downloaded if_chain v0.1.2
[INFO] [stderr]   Downloaded state v0.4.0
[INFO] [stderr]   Downloaded serde_derive v1.0.37
[INFO] [stderr]   Downloaded bitflags v1.0.1
[INFO] [stderr]   Downloaded cookie v0.9.2
[INFO] [stderr]   Downloaded serde_derive_internals v0.23.0
[INFO] [stderr]   Downloaded unicode-width v0.1.4
[INFO] [stderr]   Downloaded time v0.1.39
[INFO] [stderr]   Downloaded clap v2.31.2
[INFO] [stderr]   Downloaded cc v1.0.9
[INFO] [stderr]   Downloaded csv-core v0.1.4
[INFO] [stderr]   Downloaded serde v1.0.37
[INFO] [stderr]   Downloaded smallvec v0.4.4
[INFO] [stderr]   Downloaded rocket_contrib v0.3.8
[INFO] [stderr]   Downloaded rocket_codegen v0.3.8
[INFO] [stderr]   Downloaded httparse v1.2.4
[INFO] [stderr]   Downloaded getopts v0.2.17
[INFO] [stderr]   Downloaded regex v0.2.10
[INFO] [stderr]   Downloaded quick-error v1.2.1
[INFO] [stderr]   Downloaded rayon v0.7.1
[INFO] [stderr]   Downloaded isatty v0.1.7
[INFO] [stderr]   Downloaded pear_codegen v0.0.15
[INFO] [stderr]   Downloaded hyper v0.10.13
[INFO] [stderr]   Downloaded libc v0.2.40
[INFO] [stderr]   Downloaded dtoa v0.4.2
[INFO] [stderr]   Downloaded env_logger v0.5.6
[INFO] [stderr]   Downloaded uuid v0.6.2
[INFO] [stderr]   Downloaded serde_yaml v0.7.3
[INFO] [stderr]   Downloaded clippy v0.0.193
[INFO] [stderr]   Downloaded clippy_lints v0.0.193
[INFO] [stderr]   Downloaded ws v0.7.6
[INFO] [stderr]   Downloaded winapi v0.3.4
[INFO] [stderr]   Downloaded csv v1.0.0-beta.5
[INFO] [stderr]   Downloaded ring v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 1d24c13a915482931ff91a47b3ccd7ed400b3e7890669243edb9e93ac9bacadf
[INFO] running `Command { std: "docker" "start" "-a" "1d24c13a915482931ff91a47b3ccd7ed400b3e7890669243edb9e93ac9bacadf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d24c13a915482931ff91a47b3ccd7ed400b3e7890669243edb9e93ac9bacadf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d24c13a915482931ff91a47b3ccd7ed400b3e7890669243edb9e93ac9bacadf", kill_on_drop: false }`
[INFO] [stdout] 1d24c13a915482931ff91a47b3ccd7ed400b3e7890669243edb9e93ac9bacadf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 3a515883aea3e7d9e2b23c0ebe0a61997c1e9fc408653c650a41d2bd1b76e9de
[INFO] running `Command { std: "docker" "start" "-a" "3a515883aea3e7d9e2b23c0ebe0a61997c1e9fc408653c650a41d2bd1b76e9de", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling yansi v0.4.0
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling matches v0.1.6
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling cc v1.0.9
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling unicode-normalization v0.1.5
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]     Checking byteorder v1.2.2
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]     Checking serde v1.0.37
[INFO] [stderr]    Compiling quick-error v1.2.1
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]    Compiling termcolor v0.3.6
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling bindgen v0.33.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking httparse v1.2.4
[INFO] [stderr]     Checking untrusted v0.5.1
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]     Checking num-traits v0.2.2
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]    Compiling leveldb-sys v2.0.1
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling getopts v0.2.17
[INFO] [stderr]    Compiling quine-mc_cluskey v0.2.4
[INFO] [stderr]    Compiling clippy v0.0.193
[INFO] [stderr]    Compiling pear v0.0.15
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking smallvec v0.4.4
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking slab v0.4.0
[INFO] [stderr]     Checking itoa v0.4.1
[INFO] [stderr]    Compiling ordermap v0.2.13
[INFO] [stderr]     Checking state v0.4.0
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]    Compiling if_chain v0.1.2
[INFO] [stderr]     Checking db-key v0.0.5
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]    Compiling proc-macro2 v0.3.6
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling atty v0.2.8
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling isatty v0.1.7
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr] error: could not compile `gcc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name gcc /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.54/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 -C metadata=ca2c281ddc4e65ab -C extra-filename=-ca2c281ddc4e65ab --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] [stderr] error: could not compile `language-tags`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name language_tags /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/language-tags-0.2.2/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 -C metadata=38dd5e2d7acb034f -C extra-filename=-38dd5e2d7acb034f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `num-traits`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name num_traits /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-traits-0.2.2/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 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=f5f02261a2266d21 -C extra-filename=-f5f02261a2266d21 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[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-1.0.37/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="std"' -C metadata=69b5ff5ab617eeb0 -C extra-filename=-69b5ff5ab617eeb0 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "3a515883aea3e7d9e2b23c0ebe0a61997c1e9fc408653c650a41d2bd1b76e9de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a515883aea3e7d9e2b23c0ebe0a61997c1e9fc408653c650a41d2bd1b76e9de", kill_on_drop: false }`
[INFO] [stdout] 3a515883aea3e7d9e2b23c0ebe0a61997c1e9fc408653c650a41d2bd1b76e9de