[INFO] cloning repository https://github.com/mgsloan/treadcam [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mgsloan/treadcam" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgsloan%2Ftreadcam", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgsloan%2Ftreadcam'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a7394173dbc9e81874d897e2e382f0ea38784b20 [INFO] documenting mgsloan/treadcam against 1.46.0 for beta-1.47-rustdoc-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgsloan%2Ftreadcam" "/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/mgsloan/treadcam on toolchain 1.46.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mgsloan/treadcam [INFO] finished tweaking git repo https://github.com/mgsloan/treadcam [INFO] tweaked toml for git repo https://github.com/mgsloan/treadcam written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/mgsloan/treadcam already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 092cadeda049b007df0716b3e39e3f5263c35c809d2d044d9264debad3cd3de0 [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" "092cadeda049b007df0716b3e39e3f5263c35c809d2d044d9264debad3cd3de0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "092cadeda049b007df0716b3e39e3f5263c35c809d2d044d9264debad3cd3de0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "092cadeda049b007df0716b3e39e3f5263c35c809d2d044d9264debad3cd3de0", kill_on_drop: false }` [INFO] [stdout] 092cadeda049b007df0716b3e39e3f5263c35c809d2d044d9264debad3cd3de0 [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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 99d7edf2a3b3cecbd4c580f8fa8ed45c9f226ab1f08ef4e44ca2cdc2d2151095 [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" "99d7edf2a3b3cecbd4c580f8fa8ed45c9f226ab1f08ef4e44ca2cdc2d2151095", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.4 [INFO] [stderr] Checking libc v0.2.42 [INFO] [stderr] Checking cfg-if v0.1.3 [INFO] [stderr] Compiling num-integer v0.1.38 [INFO] [stderr] Checking lazy_static v1.0.1 [INFO] [stderr] Compiling rayon-core v1.4.0 [INFO] [stderr] Checking byteorder v1.2.3 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Compiling serde v1.0.66 [INFO] [stderr] Checking bitflags v1.0.3 [INFO] [stderr] Checking itoa v0.4.1 [INFO] [stderr] Checking goertzel v0.2.0 [INFO] [stderr] Compiling proc-macro2 v0.4.6 [INFO] [stderr] Checking inflate v0.3.4 [INFO] [stderr] Checking gif v0.9.2 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking deflate v0.7.18 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling quote v0.6.3 [INFO] [stderr] Compiling syn v0.14.2 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking rscam v0.5.4 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking enum_primitive v0.1.1 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking png v0.11.0 [INFO] [stderr] Checking rayon v1.0.1 [INFO] [stderr] Checking rustfft v2.0.0 [INFO] [stderr] Compiling serde_derive v1.0.66 [INFO] [stderr] Checking jpeg-decoder v0.1.15 [INFO] [stderr] Checking image v0.17.0 [INFO] [stderr] Checking serde_json v1.0.20 [INFO] [stderr] Documenting treadcam 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(type_ascription)] [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 `treadcam`. [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --crate-type bin --crate-name treadcam 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 goertzel=/opt/rustwide/target/debug/deps/libgoertzel-943808c4468d1501.rmeta --extern image=/opt/rustwide/target/debug/deps/libimage-dbda868ab2de69c7.rmeta --extern rscam=/opt/rustwide/target/debug/deps/librscam-57b2569578310946.rmeta --extern rustfft=/opt/rustwide/target/debug/deps/librustfft-00627441354964d5.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-7af0aff6800d18fd.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-ac34582fb9a14e26.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-029de87e72a4ed93.rmeta --cap-lints=warn` (exit code: 1) [INFO] running `Command { std: "docker" "inspect" "99d7edf2a3b3cecbd4c580f8fa8ed45c9f226ab1f08ef4e44ca2cdc2d2151095", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "99d7edf2a3b3cecbd4c580f8fa8ed45c9f226ab1f08ef4e44ca2cdc2d2151095", kill_on_drop: false }` [INFO] [stdout] 99d7edf2a3b3cecbd4c580f8fa8ed45c9f226ab1f08ef4e44ca2cdc2d2151095