[INFO] cloning repository https://github.com/dustlang/docs.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dustlang/docs.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdustlang%2Fdocs.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdustlang%2Fdocs.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 410c660a4169afe669b161ca80901dcfe5259c24
[INFO] documenting dustlang/docs.rs 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%2Fdustlang%2Fdocs.rs" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dustlang/docs.rs 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] removed /workspace/builds/worker-1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/dustlang/docs.rs
[INFO] finished tweaking git repo https://github.com/dustlang/docs.rs
[INFO] tweaked toml for git repo https://github.com/dustlang/docs.rs written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/dustlang/docs.rs 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]  Downloading crates ...
[INFO] [stderr]   Downloaded arc-swap v0.4.8
[INFO] [stderr]   Downloaded tar v0.4.26
[INFO] [stderr]   Downloaded cssparser-macros v0.3.6
[INFO] [stderr]   Downloaded kuchiki v0.8.0
[INFO] [stderr]   Downloaded selectors v0.21.0
[INFO] [stderr]   Downloaded schemamama_postgres v0.3.0
[INFO] [stderr]   Downloaded prometheus v0.10.0
[INFO] [stderr]   Downloaded shell-words v1.0.0
[INFO] [stderr]   Downloaded entities v1.0.1
[INFO] [stderr]   Downloaded comrak v0.9.1
[INFO] [stderr]   Downloaded procedural-masquerade v0.1.7
[INFO] [stderr]   Downloaded crates-index-diff v7.1.2
[INFO] [stderr]   Downloaded typed-arena v1.7.0
[INFO] [stderr]   Downloaded crates-index v0.15.1
[INFO] [stderr]   Downloaded systemstat v0.1.5
[INFO] [stderr]   Downloaded tera v1.5.0
[INFO] [stderr]   Downloaded smol_str v0.1.16
[INFO] [stderr]   Downloaded postgres-types v0.1.3
[INFO] [stderr]   Downloaded route-recognizer v0.1.13
[INFO] [stderr]   Downloaded path-slash v0.1.3
[INFO] [stderr]   Downloaded derive_more v0.99.7
[INFO] [stderr]   Downloaded cssparser v0.25.9
[INFO] [stderr]   Downloaded slug v0.1.1
[INFO] [stderr]   Downloaded bytesize v1.0.0
[INFO] [stderr]   Downloaded standback v0.2.8
[INFO] [stderr]   Downloaded ttf-parser v0.6.1
[INFO] [stderr]   Downloaded globwalk v0.8.0
[INFO] [stderr]   Downloaded zstd v0.5.2+zstd.1.4.5
[INFO] [stderr]   Downloaded rustwide v0.11.0
[INFO] [stderr]   Downloaded libflate v1.0.0
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.12
[INFO] [stderr]   Downloaded unidecode v0.2.0
[INFO] [stderr]   Downloaded postgres-derive v0.4.0
[INFO] [stderr]   Downloaded ignore v0.4.16
[INFO] [stderr]   Downloaded lol_html v0.2.0
[INFO] [stderr]   Downloaded ab_glyph_rasterizer v0.1.2
[INFO] [stderr]   Downloaded sass-sys v0.4.19
[INFO] [stderr]   Downloaded zstd-sys v1.4.16+zstd.1.4.5
[INFO] [stderr]   Downloaded schemamama v0.3.0
[INFO] [stderr]   Downloaded zstd-safe v2.0.4+zstd.1.4.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6d1409da01f21ef7e49d22605b3c8fa101fe6e4d6f533a003594fca8cc9b25c3
[INFO] running `Command { std: "docker" "start" "-a" "6d1409da01f21ef7e49d22605b3c8fa101fe6e4d6f533a003594fca8cc9b25c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d1409da01f21ef7e49d22605b3c8fa101fe6e4d6f533a003594fca8cc9b25c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d1409da01f21ef7e49d22605b3c8fa101fe6e4d6f533a003594fca8cc9b25c3", kill_on_drop: false }`
[INFO] [stdout] 6d1409da01f21ef7e49d22605b3c8fa101fe6e4d6f533a003594fca8cc9b25c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 731beb7177f60d7c3f89fc17f5f1e1a0618e1bcfb7001bf653d98ada0b9f59de
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "731beb7177f60d7c3f89fc17f5f1e1a0618e1bcfb7001bf653d98ada0b9f59de", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling procedural-masquerade v0.1.7
[INFO] [stderr]     Checking unidecode v0.2.0
[INFO] [stderr]    Compiling font-awesome-as-a-crate v0.1.2 (/opt/rustwide/workdir/crates/font-awesome-as-a-crate)
[INFO] [stderr]    Compiling rustwide v0.11.0
[INFO] [stderr]    Compiling docsrs-metadata v0.1.0 (/opt/rustwide/workdir/crates/metadata)
[INFO] [stderr]     Checking bytesize v1.0.0
[INFO] [stderr]     Checking route-recognizer v0.1.13
[INFO] [stderr]     Checking path-slash v0.1.3
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling time v0.2.25
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking schemamama v0.3.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking libflate v1.0.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]    Compiling parse-zoneinfo v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking slug v0.1.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking filetime v0.2.10
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking backtrace v0.3.48
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking nix v0.11.1
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling chrono-tz v0.5.1
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking inotify v0.7.0
[INFO] [stderr]     Checking tar v0.4.26
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.4
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]    Compiling sass-sys v0.4.19
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking r2d2 v0.8.8
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking badge v0.3.0 (/opt/rustwide/workdir/crates/badge)
[INFO] [stderr]     Checking notify v4.0.15
[INFO] [stderr]     Checking const-random v0.1.8
[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 --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="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=f6a79cdb3f5a1dbc -C extra-filename=-f6a79cdb3f5a1dbc --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-01e3656b8f8b7078.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-bdaaf24dbfdb0f3a.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-e5d6ef4cd3d3c00f.rmeta --cap-lints allow --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "731beb7177f60d7c3f89fc17f5f1e1a0618e1bcfb7001bf653d98ada0b9f59de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "731beb7177f60d7c3f89fc17f5f1e1a0618e1bcfb7001bf653d98ada0b9f59de", kill_on_drop: false }`
[INFO] [stdout] 731beb7177f60d7c3f89fc17f5f1e1a0618e1bcfb7001bf653d98ada0b9f59de
