[INFO] cloning repository https://github.com/MatthewBlanchard/QStroke
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MatthewBlanchard/QStroke" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatthewBlanchard%2FQStroke", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatthewBlanchard%2FQStroke'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e30a46be33cd62601aa7488ff6852f516676aead
[INFO] documenting MatthewBlanchard/QStroke against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatthewBlanchard%2FQStroke" "/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/MatthewBlanchard/QStroke on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MatthewBlanchard/QStroke
[INFO] finished tweaking git repo https://github.com/MatthewBlanchard/QStroke
[INFO] tweaked toml for git repo https://github.com/MatthewBlanchard/QStroke written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/MatthewBlanchard/QStroke already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/mfeq/glifparser`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bindgen v0.55.1
[INFO] [stderr]   Downloaded skulpin-renderer v0.4.0
[INFO] [stderr]   Downloaded skia-bindings v0.36.0
[INFO] [stderr]   Downloaded xmltree v0.10.2
[INFO] [stderr]   Downloaded skulpin v0.10.0
[INFO] [stderr]   Downloaded skia-safe v0.36.0
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f690c8ab992d35975ce5f874de9a1c1163da631e83dc7df40dd92cccc49cabc8
[INFO] running `Command { std: "docker" "start" "-a" "f690c8ab992d35975ce5f874de9a1c1163da631e83dc7df40dd92cccc49cabc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f690c8ab992d35975ce5f874de9a1c1163da631e83dc7df40dd92cccc49cabc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f690c8ab992d35975ce5f874de9a1c1163da631e83dc7df40dd92cccc49cabc8", kill_on_drop: false }`
[INFO] [stdout] f690c8ab992d35975ce5f874de9a1c1163da631e83dc7df40dd92cccc49cabc8
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3446e5a4ed17f216566da93144dd5607b8f2527eeaeee7a05bc8cab7ee6b75a
[INFO] running `Command { std: "docker" "start" "-a" "b3446e5a4ed17f216566da93144dd5607b8f2527eeaeee7a05bc8cab7ee6b75a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling bindgen v0.55.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling chunked_transfer v1.3.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]     Checking xmlwriter v0.1.0
[INFO] [stderr]    Compiling standback v0.2.14
[INFO] [stderr]    Compiling thread_local v1.1.0
[INFO] [stderr]    Compiling tinyvec v1.1.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling time v0.2.23
[INFO] [stderr]    Compiling form_urlencoded v1.0.0
[INFO] [stderr]    Compiling clang-sys v1.0.3
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling libloading v0.6.6
[INFO] [stderr]    Compiling qstring v0.7.2
[INFO] [stderr]     Checking xmltree v0.10.2
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]     Checking glifparser v0.0.0 (https://github.com/mfeq/glifparser#5f5f1d76)
[INFO] [stderr]     Checking ash v0.31.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.16
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/glifparser-a0b09305bd94eda1/5f5f1d7/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(assoc_char_funcs, let_chains)]
[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 `glifparser` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b3446e5a4ed17f216566da93144dd5607b8f2527eeaeee7a05bc8cab7ee6b75a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3446e5a4ed17f216566da93144dd5607b8f2527eeaeee7a05bc8cab7ee6b75a", kill_on_drop: false }`
[INFO] [stdout] b3446e5a4ed17f216566da93144dd5607b8f2527eeaeee7a05bc8cab7ee6b75a
