[INFO] cloning repository https://github.com/Bietola/rustroids
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Bietola/rustroids" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBietola%2Frustroids", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBietola%2Frustroids'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b8ef6d1d40d6752bec42fdfe69492903aa21876f
[INFO] documenting Bietola/rustroids 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%2FBietola%2Frustroids" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Bietola/rustroids 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/Bietola/rustroids
[INFO] finished tweaking git repo https://github.com/Bietola/rustroids
[INFO] tweaked toml for git repo https://github.com/Bietola/rustroids written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Bietola/rustroids 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b19b72a9b4174e4f77571a88958f698650d546d8c7279ca98cd4efd773681f2a
[INFO] running `Command { std: "docker" "start" "-a" "b19b72a9b4174e4f77571a88958f698650d546d8c7279ca98cd4efd773681f2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b19b72a9b4174e4f77571a88958f698650d546d8c7279ca98cd4efd773681f2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b19b72a9b4174e4f77571a88958f698650d546d8c7279ca98cd4efd773681f2a", kill_on_drop: false }`
[INFO] [stdout] b19b72a9b4174e4f77571a88958f698650d546d8c7279ca98cd4efd773681f2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 99509ef86bbbaddb357d2f4aada34708967a409b6c7a38e23644e89ca882bdbc
[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" "99509ef86bbbaddb357d2f4aada34708967a409b6c7a38e23644e89ca882bdbc", kill_on_drop: false }`
[INFO] [stderr]    Compiling sfml-build v0.2.0
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]    Compiling csfml-system-sys v0.4.0
[INFO] [stderr]    Compiling csfml-window-sys v0.4.0
[INFO] [stderr]    Compiling csfml-graphics-sys v0.4.0
[INFO] [stderr]    Compiling csfml-audio-sys v0.4.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking sfml v0.14.0
[INFO] [stderr]     Checking simplelog v0.7.3
[INFO] [stderr]     Checking backtrace v0.3.38
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking single v1.0.0
[INFO] [stderr]  Documenting dlfiroids 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(slice_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable
[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 `dlfiroids`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name dlfiroids 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 bitflags=/opt/rustwide/target/debug/deps/libbitflags-e3db6e40bf3ddf64.rmeta --extern derive_more=/opt/rustwide/target/debug/deps/libderive_more-b7d949e60d15e290.so --extern log=/opt/rustwide/target/debug/deps/liblog-3350f96749421cbd.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-922de4a3cd4ba91d.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-1582ae2d04c12b03.rmeta --extern sfml=/opt/rustwide/target/debug/deps/libsfml-e7822a1e863ee3fb.rmeta --extern simplelog=/opt/rustwide/target/debug/deps/libsimplelog-01ec541f6306da11.rmeta --extern single=/opt/rustwide/target/debug/deps/libsingle-05d27c279ab2bbca.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "99509ef86bbbaddb357d2f4aada34708967a409b6c7a38e23644e89ca882bdbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99509ef86bbbaddb357d2f4aada34708967a409b6c7a38e23644e89ca882bdbc", kill_on_drop: false }`
[INFO] [stdout] 99509ef86bbbaddb357d2f4aada34708967a409b6c7a38e23644e89ca882bdbc
