[INFO] cloning repository https://github.com/TonyHsieh/dungeoncrawl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TonyHsieh/dungeoncrawl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTonyHsieh%2Fdungeoncrawl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTonyHsieh%2Fdungeoncrawl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c1395a5869dda6c0568760e3220c66edbbdb2ed3
[INFO] documenting TonyHsieh/dungeoncrawl against master#e1df625306f4136949e02612406f0c60df6008f3 for pr-96676
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTonyHsieh%2Fdungeoncrawl" "/workspace/builds/worker-100/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-100/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TonyHsieh/dungeoncrawl on toolchain e1df625306f4136949e02612406f0c60df6008f3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TonyHsieh/dungeoncrawl
[INFO] finished tweaking git repo https://github.com/TonyHsieh/dungeoncrawl
[INFO] tweaked toml for git repo https://github.com/TonyHsieh/dungeoncrawl written to /workspace/builds/worker-100/source/Cargo.toml
[INFO] crate git repo https://github.com/TonyHsieh/dungeoncrawl already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "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 js-sys v0.3.46
[INFO] [stderr]   Downloaded legion_codegen v0.3.0
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[INFO] [stderr]   Downloaded ultraviolet v0.4.6
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[INFO] [stderr]   Downloaded ordered-float v1.1.1
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[INFO] [stderr]   Downloaded bracket-geometry v0.8.1
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[INFO] [stderr]   Downloaded memoffset v0.6.1
[INFO] [stderr]   Downloaded libc v0.2.82
[INFO] [stderr]   Downloaded cocoa v0.20.2
[INFO] [stderr]   Downloaded crossbeam v0.7.3
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[INFO] [stderr]   Downloaded image v0.23.12
[INFO] [stderr]   Downloaded regex v1.4.3
[INFO] [stderr]   Downloaded regex-syntax v0.6.22
[INFO] [stderr]   Downloaded console_error_panic_hook v0.1.6
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[INFO] [stderr]   Downloaded crossbeam-utils v0.8.1
[INFO] [stderr]   Downloaded parking_lot v0.10.2
[INFO] [stderr]   Downloaded legion v0.3.1
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[INFO] [stderr]   Downloaded crossbeam-channel v0.4.4
[INFO] [stderr]   Downloaded glutin_wgl_sys v0.1.5
[INFO] [stderr]   Downloaded serde v1.0.122
[INFO] [stderr]   Downloaded slotmap v0.3.0
[INFO] [stderr]   Downloaded glow v0.4.0
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[INFO] [stderr]   Downloaded num_enum_derive v0.4.3
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.6.6
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[INFO] [stderr]   Downloaded dispatch v0.2.0
[INFO] [stderr]   Downloaded android_log-sys v0.1.2
[INFO] [stderr]   Downloaded parking_lot_core v0.7.2
[INFO] [stderr]   Downloaded dlib v0.4.2
[INFO] [stderr]   Downloaded lock_api v0.3.4
[INFO] [stderr]   Downloaded downcast-rs v1.2.0
[INFO] [stderr]   Downloaded erased-serde v0.3.13
[INFO] [stderr]   Downloaded rayon-core v1.9.0
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[INFO] [stderr]   Downloaded bracket-pathfinding v0.8.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e3a2ac09268d700b3ed8fc81f1e65f49ed44f09767c67cacf04d0be13b66d4b
[INFO] running `Command { std: "docker" "start" "-a" "1e3a2ac09268d700b3ed8fc81f1e65f49ed44f09767c67cacf04d0be13b66d4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e3a2ac09268d700b3ed8fc81f1e65f49ed44f09767c67cacf04d0be13b66d4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e3a2ac09268d700b3ed8fc81f1e65f49ed44f09767c67cacf04d0be13b66d4b", kill_on_drop: false }`
[INFO] [stdout] 1e3a2ac09268d700b3ed8fc81f1e65f49ed44f09767c67cacf04d0be13b66d4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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=forbid" "-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" "+e1df625306f4136949e02612406f0c60df6008f3" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e84536acee84a6b42a1f2e612d4f1affba185e59862d998dd5f4908f3245dc0
[INFO] running `Command { std: "docker" "start" "-a" "6e84536acee84a6b42a1f2e612d4f1affba185e59862d998dd5f4908f3245dc0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling serde_derive v1.0.122
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]    Compiling wide v0.4.6
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling serde v1.0.122
[INFO] [stderr]     Checking bytemuck v1.5.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.21
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling paste v1.0.4
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking thread_local v1.1.2
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking ultraviolet v0.4.6
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling glow v0.4.0
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.5
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.7
[INFO] [stderr] error: could not compile `nix`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name nix /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nix-0.14.1/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=606a33d67cc820e2 -C extra-filename=-606a33d67cc820e2 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-c30f35abb0b74f97.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-d7aa02586377abc4.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-018d56518436b3bd.rmeta --extern void=/opt/rustwide/target/debug/deps/libvoid-8d5221644b636eb9.rmeta --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.60/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="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=a960cf2b04396fc4 -C extra-filename=-a960cf2b04396fc4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-89254f8a188bc205.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-d715d37bd55e2db9.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-ca70f4dd0d5d1ebc.rmeta --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "6e84536acee84a6b42a1f2e612d4f1affba185e59862d998dd5f4908f3245dc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e84536acee84a6b42a1f2e612d4f1affba185e59862d998dd5f4908f3245dc0", kill_on_drop: false }`
[INFO] [stdout] 6e84536acee84a6b42a1f2e612d4f1affba185e59862d998dd5f4908f3245dc0