[INFO] cloning repository https://github.com/bluecube/minipath
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bluecube/minipath" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbluecube%2Fminipath", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbluecube%2Fminipath'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 874ea628f0688334feaa09a80b1b1e6eac6182ab
[INFO] documenting bluecube/minipath against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbluecube%2Fminipath" "/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/bluecube/minipath on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bluecube/minipath
[INFO] finished tweaking git repo https://github.com/bluecube/minipath
[INFO] tweaked toml for git repo https://github.com/bluecube/minipath written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/bluecube/minipath already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded yansi v0.5.0
[INFO] [stderr]   Downloaded proptest-attr-macro v0.1.0
[INFO] [stderr]   Downloaded rgb v0.8.16
[INFO] [stderr]   Downloaded bit-set v0.5.1
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.12
[INFO] [stderr]   Downloaded euclid v0.20.7
[INFO] [stderr]   Downloaded bit-vec v0.5.1
[INFO] [stderr]   Downloaded sdl2 v0.33.0
[INFO] [stderr]   Downloaded panic-control v0.1.4
[INFO] [stderr]   Downloaded proptest v0.9.5
[INFO] [stderr]   Downloaded sdl2-sys v0.33.0
[INFO] [stderr]   Downloaded assert2 v0.1.2
[INFO] [stderr]   Downloaded assert2-macros v0.1.0
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7311ab32ee969d9df52de1db32680e7df84cea491711e9253f84480bffcba521
[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" "7311ab32ee969d9df52de1db32680e7df84cea491711e9253f84480bffcba521", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7311ab32ee969d9df52de1db32680e7df84cea491711e9253f84480bffcba521", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7311ab32ee969d9df52de1db32680e7df84cea491711e9253f84480bffcba521", kill_on_drop: false }`
[INFO] [stdout] 7311ab32ee969d9df52de1db32680e7df84cea491711e9253f84480bffcba521
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f53b85e4cde6ba7a87627bd2d5444e90978c2de275109b2a0c87914ef09ee1b
[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" "2f53b85e4cde6ba7a87627bd2d5444e90978c2de275109b2a0c87914ef09ee1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling sdl2 v0.33.0
[INFO] [stderr]    Compiling sdl2-sys v0.33.0
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking num-rational v0.2.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]     Checking image v0.23.0
[INFO] [stderr]  Documenting minipath v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0583]: file not found for module `scene`
[INFO] [stdout]   --> src/main.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | mod scene;
[INFO] [stdout]    | ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: to create the module `scene`, create file "src/scene.rs"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(specialization)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0583.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `minipath`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name minipath src/main.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="gui"' --cfg 'feature="sdl2"' --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern crossbeam_utils=/opt/rustwide/target/debug/deps/libcrossbeam_utils-15f53826c7adc591.rmeta --extern euclid=/opt/rustwide/target/debug/deps/libeuclid-59cee09fd0f84da4.rmeta --extern image=/opt/rustwide/target/debug/deps/libimage-586a206ec8e2853e.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-ba51e1239838a69e.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-c94151e2ab54327e.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-0cd98137a33071fc.rmeta --extern rand_distr=/opt/rustwide/target/debug/deps/librand_distr-0d473054029745dd.rmeta --extern rgb=/opt/rustwide/target/debug/deps/librgb-d495c6be3d294ba2.rmeta --extern scopeguard=/opt/rustwide/target/debug/deps/libscopeguard-809bce1a80ef1e2f.rmeta --extern sdl2=/opt/rustwide/target/debug/deps/libsdl2-c636e27e5bbd6bcf.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "2f53b85e4cde6ba7a87627bd2d5444e90978c2de275109b2a0c87914ef09ee1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f53b85e4cde6ba7a87627bd2d5444e90978c2de275109b2a0c87914ef09ee1b", kill_on_drop: false }`
[INFO] [stdout] 2f53b85e4cde6ba7a87627bd2d5444e90978c2de275109b2a0c87914ef09ee1b