[INFO] cloning repository https://github.com/volution/vonuvoli-scheme
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/volution/vonuvoli-scheme" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvolution%2Fvonuvoli-scheme", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvolution%2Fvonuvoli-scheme'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 23084001b6d54d3adcfb949ca8532526740b9b62
[INFO] documenting volution/vonuvoli-scheme 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%2Fvolution%2Fvonuvoli-scheme" "/workspace/builds/worker-28/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/volution/vonuvoli-scheme 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/volution/vonuvoli-scheme
[INFO] finished tweaking git repo https://github.com/volution/vonuvoli-scheme
[INFO] tweaked toml for git repo https://github.com/volution/vonuvoli-scheme written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate git repo https://github.com/volution/vonuvoli-scheme 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 fastrand v1.7.0
[INFO] [stderr]   Downloaded tempfile v3.3.0
[INFO] [stderr]   Downloaded backtrace v0.3.64
[INFO] [stderr]   Downloaded sha2-asm v0.6.2
[INFO] [stderr]   Downloaded siphasher v0.3.9
[INFO] [stderr]   Downloaded twox-hash v1.6.2
[INFO] [stderr]   Downloaded sha1 v0.10.1
[INFO] [stderr]   Downloaded md-5 v0.10.1
[INFO] [stderr]   Downloaded blake2 v0.10.3
[INFO] [stderr]   Downloaded quote v1.0.15
[INFO] [stderr]   Downloaded cpio v0.2.1
[INFO] [stderr]   Downloaded supercow v0.1.0
[INFO] [stderr]   Downloaded lmdb-zero v0.4.4
[INFO] [stderr]   Downloaded seahash v4.1.0
[INFO] [stderr]   Downloaded sha3 v0.10.1
[INFO] [stderr]   Downloaded pulldown-cmark v0.9.1
[INFO] [stderr]   Downloaded md5-asm v0.5.0
[INFO] [stderr]   Downloaded highway v0.7.0
[INFO] [stderr]   Downloaded liblmdb-sys v0.2.2
[INFO] [stderr]   Downloaded libc v0.2.118
[INFO] [stderr]   Downloaded sha1-asm v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] c73fb8156ae301c394205b58116e2c2700d504882ccdb61a103594190e0e6a71
[INFO] running `Command { std: "docker" "start" "-a" "c73fb8156ae301c394205b58116e2c2700d504882ccdb61a103594190e0e6a71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c73fb8156ae301c394205b58116e2c2700d504882ccdb61a103594190e0e6a71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c73fb8156ae301c394205b58116e2c2700d504882ccdb61a103594190e0e6a71", kill_on_drop: false }`
[INFO] [stdout] c73fb8156ae301c394205b58116e2c2700d504882ccdb61a103594190e0e6a71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] 452687d2f69efb044a3f38b2fdc143cc6e4a2af53d974910a5ccaa424a888d91
[INFO] running `Command { std: "docker" "start" "-a" "452687d2f69efb044a3f38b2fdc143cc6e4a2af53d974910a5ccaa424a888d91", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling libc v0.2.118
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling pulldown-cmark v0.9.1
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking supercow v0.1.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]     Checking highway v0.7.0
[INFO] [stderr]     Checking siphasher v0.3.9
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cpio v0.2.1
[INFO] [stderr]     Checking seahash v4.1.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking getrandom v0.2.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking twox-hash v1.6.2
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]    Compiling liblmdb-sys v0.2.2
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking blake2 v0.10.3
[INFO] [stderr]     Checking sha3 v0.10.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/blake2-0.10.3/src/lib.rs:78:31
[INFO] [stdout]    |
[INFO] [stdout] 78 | #![cfg_attr(feature = "simd", feature(platform_intrinsics, repr_simd))]
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `blake2` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "452687d2f69efb044a3f38b2fdc143cc6e4a2af53d974910a5ccaa424a888d91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "452687d2f69efb044a3f38b2fdc143cc6e4a2af53d974910a5ccaa424a888d91", kill_on_drop: false }`
[INFO] [stdout] 452687d2f69efb044a3f38b2fdc143cc6e4a2af53d974910a5ccaa424a888d91