[INFO] cloning repository https://github.com/cyclefortytwo/knockturn-allee
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cyclefortytwo/knockturn-allee" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyclefortytwo%2Fknockturn-allee", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyclefortytwo%2Fknockturn-allee'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9e7a5ebaa55247725908928712416b8955decbfd
[INFO] documenting cyclefortytwo/knockturn-allee against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyclefortytwo%2Fknockturn-allee" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cyclefortytwo/knockturn-allee on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cyclefortytwo/knockturn-allee
[INFO] finished tweaking git repo https://github.com/cyclefortytwo/knockturn-allee
[INFO] tweaked toml for git repo https://github.com/cyclefortytwo/knockturn-allee written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/cyclefortytwo/knockturn-allee already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 617cfc45ed7363ea471b2dbb446dc120a43843211c45754ebcde06b1f2c06ba0
[INFO] running `Command { std: "docker" "start" "-a" "617cfc45ed7363ea471b2dbb446dc120a43843211c45754ebcde06b1f2c06ba0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "617cfc45ed7363ea471b2dbb446dc120a43843211c45754ebcde06b1f2c06ba0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "617cfc45ed7363ea471b2dbb446dc120a43843211c45754ebcde06b1f2c06ba0", kill_on_drop: false }`
[INFO] [stdout] 617cfc45ed7363ea471b2dbb446dc120a43843211c45754ebcde06b1f2c06ba0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f800881c5bcf475829ffa86d8424272f8aaa90202ac4a95fb86a34e1111470f
[INFO] running `Command { std: "docker" "start" "-a" "8f800881c5bcf475829ffa86d8424272f8aaa90202ac4a95fb86a34e1111470f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]     Checking either v1.5.1
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking rustc-demangle v0.1.13
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]    Compiling openssl v0.10.16
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling crc32fast v1.1.2
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]     Checking string v0.1.3
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]     Checking linked-hash-map v0.4.2
[INFO] [stderr]     Checking arc-swap v0.3.7
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]    Compiling encoding_rs v0.8.17
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling askama_escape v0.2.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling humansize v1.1.0
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking opaque-debug v0.2.2
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking base32 v0.3.1
[INFO] [stderr]     Checking fragile v0.3.0
[INFO] [stderr]     Checking checked_int_cast v1.0.0
[INFO] [stderr]     Checking consistenttime v0.2.0
[INFO] [stderr]     Checking data-encoding v2.1.2
[INFO] [stderr]     Checking strum v0.13.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.2
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling unicase v2.2.0
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking miniz_oxide v0.2.1
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling v_escape v0.3.2
[INFO] [stderr]    Compiling v_htmlescape v0.3.2
[INFO] [stderr]    Compiling actix-web v0.7.18
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking gif v0.10.1
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling im v12.3.4
[INFO] [stderr]     Checking sized-chunks v0.1.3
[INFO] [stderr]     Checking generic-array v0.12.0
[INFO] [stderr]    Compiling sentry v0.15.2
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking smallvec v0.6.8
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.5
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr] error: could not compile `num-derive`
[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/num-derive-0.2.4/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 -C metadata=e5c1d99adb9e8b13 -C extra-filename=-e5c1d99adb9e8b13 --out-dir /opt/rustwide/target/debug/build/num-derive-e5c1d99adb9e8b13 -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 `cc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name cc /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.28/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=a9f8578111fc67e9 -C extra-filename=-a9f8578111fc67e9 --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 `futures`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name futures /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-0.1.25/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="use_std"' --cfg 'feature="with-deprecated"' -C metadata=2ebf20a8fd780292 -C extra-filename=-2ebf20a8fd780292 --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 `httparse`
[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/httparse-1.3.3/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="std"' -C metadata=04fd67942acb194d -C extra-filename=-04fd67942acb194d --out-dir /opt/rustwide/target/debug/build/httparse-04fd67942acb194d -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `rayon`
[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/rayon-1.0.3/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 -C metadata=f4c46577ede9c934 -C extra-filename=-f4c46577ede9c934 --out-dir /opt/rustwide/target/debug/build/rayon-f4c46577ede9c934 -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `crc32fast`
[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/crc32fast-1.1.2/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 -C metadata=4d52bd067d877a47 -C extra-filename=-4d52bd067d877a47 --out-dir /opt/rustwide/target/debug/build/crc32fast-4d52bd067d877a47 -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `num-integer`
[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/num-integer-0.1.39/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="std"' -C metadata=82affa34e3128e9d -C extra-filename=-82affa34e3128e9d --out-dir /opt/rustwide/target/debug/build/num-integer-82affa34e3128e9d -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `gif`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name gif /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gif-0.10.1/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="raii_no_panic"' -C metadata=4a6ef45ebfed90a4 -C extra-filename=-4a6ef45ebfed90a4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern color_quant=/opt/rustwide/target/debug/deps/libcolor_quant-1377555266e7cbbb.rmeta --extern lzw=/opt/rustwide/target/debug/deps/liblzw-4729ac1596e902a2.rmeta --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `hex`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name hex /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hex-0.3.2/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 -C metadata=8c9f5394e3ad9cff -C extra-filename=-8c9f5394e3ad9cff --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`
[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/regex-1.1.0/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="use_std"' -C metadata=53d1fa5f6153b862 -C extra-filename=-53d1fa5f6153b862 --out-dir /opt/rustwide/target/debug/build/regex-53d1fa5f6153b862 -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[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="proc-macro"' -C metadata=9d573ac0ed923c3f -C extra-filename=-9d573ac0ed923c3f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-09e70e8bcc039b17.rmeta --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `data-encoding`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name data_encoding --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/data-encoding-2.1.2/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 -C metadata=90e0cb3b8009578d -C extra-filename=-90e0cb3b8009578d --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 `miniz_oxide`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name miniz_oxide /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/miniz_oxide-0.2.1/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=09e26f09532d8d29 -C extra-filename=-09e26f09532d8d29 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern adler32=/opt/rustwide/target/debug/deps/libadler32-3b9c5cb998f0b757.rmeta --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "8f800881c5bcf475829ffa86d8424272f8aaa90202ac4a95fb86a34e1111470f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f800881c5bcf475829ffa86d8424272f8aaa90202ac4a95fb86a34e1111470f", kill_on_drop: false }`
[INFO] [stdout] 8f800881c5bcf475829ffa86d8424272f8aaa90202ac4a95fb86a34e1111470f