[INFO] cloning repository https://github.com/crumblingstatue/cowbump
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/crumblingstatue/cowbump" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrumblingstatue%2Fcowbump", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrumblingstatue%2Fcowbump'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7a0fbb8a93efb9070e10d2a09994cb1c054620c8
[INFO] documenting crumblingstatue/cowbump against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrumblingstatue%2Fcowbump" "/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/crumblingstatue/cowbump on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/crumblingstatue/cowbump
[INFO] finished tweaking git repo https://github.com/crumblingstatue/cowbump
[INFO] tweaked toml for git repo https://github.com/crumblingstatue/cowbump written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/crumblingstatue/cowbump already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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] 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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 729037fc7d183f314c5a6191f15adf30f9767c76b88829253d7bb4fdfc1f2cd5
[INFO] running `Command { std: "docker" "start" "-a" "729037fc7d183f314c5a6191f15adf30f9767c76b88829253d7bb4fdfc1f2cd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "729037fc7d183f314c5a6191f15adf30f9767c76b88829253d7bb4fdfc1f2cd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "729037fc7d183f314c5a6191f15adf30f9767c76b88829253d7bb4fdfc1f2cd5", kill_on_drop: false }`
[INFO] [stdout] 729037fc7d183f314c5a6191f15adf30f9767c76b88829253d7bb4fdfc1f2cd5
[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" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9466fa84697b36a2d5cc8d494cb1c81998c4be2cfd5dcc12734e5170a026dc35
[INFO] running `Command { std: "docker" "start" "-a" "9466fa84697b36a2d5cc8d494cb1c81998c4be2cfd5dcc12734e5170a026dc35", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling sfml-build v0.4.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.68
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking ttf-parser v0.6.2
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.4
[INFO] [stderr]     Checking weezl v0.1.4
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking atomic_refcell v0.1.7
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking emath v0.11.0
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking bytemuck v1.5.1
[INFO] [stderr]     Checking widestring v0.4.3
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking retain_mut v0.1.2
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking ropey v1.2.0
[INFO] [stderr]    Compiling csfml-system-sys v0.6.0
[INFO] [stderr]    Compiling csfml-window-sys v0.6.0
[INFO] [stderr]    Compiling csfml-graphics-sys v0.6.0
[INFO] [stderr]     Checking owned_ttf_parser v0.6.0
[INFO] [stderr]     Checking gif v0.11.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling ahash v0.7.2
[INFO] [stderr]     Checking rusttype v0.9.2
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking gethostname v0.2.1
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking sfml v0.16.0
[INFO] [stderr]     Checking ordered-float v2.1.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking epaint v0.11.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking bincode v1.3.2
[INFO] [stderr]     Checking egui v0.11.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking x11rb v0.8.1
[INFO] [stderr]     Checking egui-sfml v0.1.0 (https://github.com/crumblingstatue/egui-sfml.git#183921f8)
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking arboard v1.2.0
[INFO] [stderr]  Documenting cowbump v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(decl_macro, btree_retain)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `cowbump`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name cowbump src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern arboard=/opt/rustwide/target/debug/deps/libarboard-3a4f568d426faa60.rmeta --extern atty=/opt/rustwide/target/debug/deps/libatty-886a047e61a34337.rmeta --extern bincode=/opt/rustwide/target/debug/deps/libbincode-a5397278c8777524.rmeta --extern egui=/opt/rustwide/target/debug/deps/libegui-84f2fd4eb970bca3.rmeta --extern egui_sfml=/opt/rustwide/target/debug/deps/libegui_sfml-c853290efdb97895.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-531975349f5065e1.rmeta --extern image=/opt/rustwide/target/debug/deps/libimage-85641c866354dda7.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-2ace1ebbb95d43da.rmeta --extern retain_mut=/opt/rustwide/target/debug/deps/libretain_mut-de7743c6a0831f44.rmeta --extern ropey=/opt/rustwide/target/debug/deps/libropey-bb71fe6a68743a24.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-45e9e9361828a31a.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-29aea655306891bd.so --extern sfml=/opt/rustwide/target/debug/deps/libsfml-cee8c79e1f07de4e.rmeta --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-775b46339aaed9ad.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "9466fa84697b36a2d5cc8d494cb1c81998c4be2cfd5dcc12734e5170a026dc35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9466fa84697b36a2d5cc8d494cb1c81998c4be2cfd5dcc12734e5170a026dc35", kill_on_drop: false }`
[INFO] [stdout] 9466fa84697b36a2d5cc8d494cb1c81998c4be2cfd5dcc12734e5170a026dc35
