[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] documenting dholroyd/whatf 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%2Fdholroyd%2Fwhatf" "/workspace/builds/worker-32/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-32/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dholroyd/whatf 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/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-32/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" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/hyperium/hyper.git`
[INFO] [stderr]     Updating git repository `https://github.com/hyperium/hyper-tls.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded urlparse v0.7.3
[INFO] [stderr]   Downloaded toml v0.3.1
[INFO] [stderr]   Downloaded mio v0.6.6
[INFO] [stderr]   Downloaded url v1.4.0
[INFO] [stderr]   Downloaded serde_codegen_internals v0.11.3
[INFO] [stderr]   Downloaded syntex_errors v0.54.0
[INFO] [stderr]   Downloaded reqwest v0.3.0
[INFO] [stderr]   Downloaded gcc v0.3.43
[INFO] [stderr]   Downloaded gdi32-sys v0.2.0
[INFO] [stderr]   Downloaded num_cpus v1.2.1
[INFO] [stderr]   Downloaded httparse v1.2.1
[INFO] [stderr]   Downloaded untrusted v0.3.2
[INFO] [stderr]   Downloaded env_logger v0.4.2
[INFO] [stderr]   Downloaded flate2 v0.2.17
[INFO] [stderr]   Downloaded aho-corasick v0.6.2
[INFO] [stderr]   Downloaded tokio-io v0.1.1
[INFO] [stderr]   Downloaded atty v0.2.2
[INFO] [stderr]   Downloaded syn v0.11.9
[INFO] [stderr]   Downloaded serde_codegen v0.8.23
[INFO] [stderr]   Downloaded native-tls v0.1.1
[INFO] [stderr]   Downloaded Inflector v0.6.0
[INFO] [stderr]   Downloaded clap v2.22.0
[INFO] [stderr]   Downloaded mime v0.2.2
[INFO] [stderr]   Downloaded deque v0.3.1
[INFO] [stderr]   Downloaded regex-syntax v0.4.0
[INFO] [stderr]   Downloaded unicode-segmentation v1.1.0
[INFO] [stderr]   Downloaded nom v2.1.0
[INFO] [stderr]   Downloaded regex v0.2.1
[INFO] [stderr]   Downloaded term v0.4.5
[INFO] [stderr]   Downloaded bitflags v0.8.0
[INFO] [stderr]   Downloaded term_size v0.2.3
[INFO] [stderr]   Downloaded chan v0.1.19
[INFO] [stderr]   Downloaded security-framework v0.1.10
[INFO] [stderr]   Downloaded miniz-sys v0.1.9
[INFO] [stderr]   Downloaded serde_derive v0.9.12
[INFO] [stderr]   Downloaded hyper-native-tls v0.2.2
[INFO] [stderr]   Downloaded quote v0.3.13
[INFO] [stderr]   Downloaded ring v0.6.3
[INFO] [stderr]   Downloaded net2 v0.2.27
[INFO] [stderr]   Downloaded serde_json v0.8.6
[INFO] [stderr]   Downloaded vec_map v0.7.0
[INFO] [stderr]   Downloaded chrono v0.2.25
[INFO] [stderr]   Downloaded thread-id v3.0.0
[INFO] [stderr]   Downloaded md5 v0.3.3
[INFO] [stderr]   Downloaded schannel v0.1.2
[INFO] [stderr]   Downloaded security-framework-sys v0.1.10
[INFO] [stderr]   Downloaded serde_urlencoded v0.3.0
[INFO] [stderr]   Downloaded syntex v0.54.0
[INFO] [stderr]   Downloaded syntex_pos v0.54.0
[INFO] [stderr]   Downloaded idna v0.1.0
[INFO] [stderr]   Downloaded unicode-bidi v0.2.5
[INFO] [stderr]   Downloaded matches v0.1.4
[INFO] [stderr]   Downloaded serde_codegen_internals v0.14.2
[INFO] [stderr]   Downloaded time v0.1.36
[INFO] [stderr]   Downloaded bytes v0.4.1
[INFO] [stderr]   Downloaded futures v0.1.11
[INFO] [stderr]   Downloaded libc v0.2.20
[INFO] [stderr]   Downloaded tokio-core v0.1.6
[INFO] [stderr]   Downloaded base64 v0.4.1
[INFO] [stderr]   Downloaded tokio-tls v0.1.2
[INFO] [stderr]   Downloaded memchr v1.0.1
[INFO] [stderr]   Downloaded thread_local v0.3.2
[INFO] [stderr]   Downloaded unicase v1.4.0
[INFO] [stderr]   Downloaded hyper v0.10.5
[INFO] [stderr]   Downloaded rusoto_credential v0.4.0
[INFO] [stderr]   Downloaded user32-sys v0.2.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.7
[INFO] [stderr]   Downloaded openssl v0.9.7
[INFO] [stderr]   Downloaded rustc-serialize v0.3.22
[INFO] [stderr]   Downloaded syn v0.10.8
[INFO] [stderr]   Downloaded unicode-normalization v0.1.4
[INFO] [stderr]   Downloaded hdrsample v3.0.0
[INFO] [stderr]   Downloaded rusoto v0.22.0
[INFO] [stderr]   Downloaded syntex_syntax v0.54.0
[INFO] [stderr]   Downloaded redox_syscall v0.1.16
[INFO] [stderr]   Downloaded xml-rs v0.1.26
[INFO] [stderr]   Downloaded rusoto_codegen v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] 5d19d5c58d36d8726bb1453f98c94c1b85e683723c8214f0baf6720b5f8377fa
[INFO] running `Command { std: "docker" "start" "-a" "5d19d5c58d36d8726bb1453f98c94c1b85e683723c8214f0baf6720b5f8377fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d19d5c58d36d8726bb1453f98c94c1b85e683723c8214f0baf6720b5f8377fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d19d5c58d36d8726bb1453f98c94c1b85e683723c8214f0baf6720b5f8377fa", kill_on_drop: false }`
[INFO] [stdout] 5d19d5c58d36d8726bb1453f98c94c1b85e683723c8214f0baf6720b5f8377fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] 6578987ace611ce8f70a4303c776d396fb7d2e29955514028cc60c2cdf26b29e
[INFO] running `Command { std: "docker" "start" "-a" "6578987ace611ce8f70a4303c776d396fb7d2e29955514028cc60c2cdf26b29e", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.20
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking rustc-serialize v0.3.22
[INFO] [stderr]    Compiling gcc v0.3.43
[INFO] [stderr]     Checking num-traits v0.1.36
[INFO] [stderr]    Compiling quote v0.3.13
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]     Checking matches v0.1.4
[INFO] [stderr]    Compiling term v0.4.5
[INFO] [stderr]     Checking unicode-normalization v0.1.4
[INFO] [stderr]    Compiling openssl v0.9.7
[INFO] [stderr]     Checking lazy_static v0.2.2
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]     Checking futures v0.1.11
[INFO] [stderr]     Checking foreign-types v0.2.0
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]     Checking httparse v1.2.1
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]     Checking lazycell v0.4.0
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling dtoa v0.2.2
[INFO] [stderr]    Compiling itoa v0.1.1
[INFO] [stderr]     Checking scoped-tls v0.1.0
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling ring v0.6.3
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]     Checking smallvec v0.2.1
[INFO] [stderr]     Checking bitflags v0.8.0
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]     Checking untrusted v0.3.2
[INFO] [stderr]     Checking regex-syntax v0.4.0
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking serde v0.9.12
[INFO] [stderr]     Checking vec_map v0.7.0
[INFO] [stderr]     Checking unicode-segmentation v1.1.0
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking md5 v0.3.3
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking urlparse v0.7.3
[INFO] [stderr]     Checking nom v2.1.0
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking xml-rs v0.3.6
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling mime v0.2.2
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling num_cpus v1.2.1
[INFO] [stderr]    Compiling time v0.1.36
[INFO] [stderr]    Compiling unicode-bidi v0.2.5
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking iovec v0.1.0
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking thread-id v3.0.0
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking term_size v0.2.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking net2 v0.2.27
[INFO] [stderr]     Checking xml-rs v0.1.26
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking base64 v0.4.1
[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-0.3.43/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=8b3e8cf381e44e0a -C extra-filename=-8b3e8cf381e44e0a --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 `ring`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ring-0.6.3/build.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="dev_urandom_fallback"' --cfg 'feature="use_heap"' -C metadata=e39d5910dd2029d2 -C extra-filename=-e39d5910dd2029d2 --out-dir /opt/rustwide/target/debug/build/ring-e39d5910dd2029d2 -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-0.8.23/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=bf94024bcb1b7a16 -C extra-filename=-bf94024bcb1b7a16 --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 `term`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name term /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/term-0.4.5/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"' -C metadata=4fa037802a5fc0a6 -C extra-filename=-4fa037802a5fc0a6 --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 `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-0.1.4/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=cd0105e21a7dcde5 -C extra-filename=-cd0105e21a7dcde5 --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 `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-0.1.4/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=4ae43c9695901bf7 -C extra-filename=-4ae43c9695901bf7 --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 `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.3.9/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=e2aba62b839ceb27 -C extra-filename=-e2aba62b839ceb27 --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-0.9.12/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=f94d0f283f3f843a -C extra-filename=-f94d0f283f3f843a --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 `rustc-serialize`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name rustc_serialize /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.22/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=7a36064c905ac3c5 -C extra-filename=-7a36064c905ac3c5 --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 `nom`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name nom /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nom-2.1.0/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="stream"' --cfg 'feature="verbose-errors"' -C metadata=d11de9582621d49e -C extra-filename=-d11de9582621d49e --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" "6578987ace611ce8f70a4303c776d396fb7d2e29955514028cc60c2cdf26b29e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6578987ace611ce8f70a4303c776d396fb7d2e29955514028cc60c2cdf26b29e", kill_on_drop: false }`
[INFO] [stdout] 6578987ace611ce8f70a4303c776d396fb7d2e29955514028cc60c2cdf26b29e