[INFO] cloning repository https://github.com/urugang/create-lang-with-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/urugang/create-lang-with-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Furugang%2Fcreate-lang-with-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Furugang%2Fcreate-lang-with-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1443b2f41183f242324d59b1e2a8827acf6bbfdd [INFO] documenting urugang/create-lang-with-rust 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%2Furugang%2Fcreate-lang-with-rust" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/urugang/create-lang-with-rust 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/urugang/create-lang-with-rust [INFO] finished tweaking git repo https://github.com/urugang/create-lang-with-rust [INFO] tweaked toml for git repo https://github.com/urugang/create-lang-with-rust written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/urugang/create-lang-with-rust 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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 93277064a52118bb7b310cb34746c8ee6f1af04f34e23fba18fa21fc8fda1f7d [INFO] running `Command { std: "docker" "start" "-a" "93277064a52118bb7b310cb34746c8ee6f1af04f34e23fba18fa21fc8fda1f7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "93277064a52118bb7b310cb34746c8ee6f1af04f34e23fba18fa21fc8fda1f7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "93277064a52118bb7b310cb34746c8ee6f1af04f34e23fba18fa21fc8fda1f7d", kill_on_drop: false }` [INFO] [stdout] 93277064a52118bb7b310cb34746c8ee6f1af04f34e23fba18fa21fc8fda1f7d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] fc66b3d1abc397806d49e67b63a44e6a7cc1b7eafbbb9a25385128e4f4b62f9a [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" "fc66b3d1abc397806d49e67b63a44e6a7cc1b7eafbbb9a25385128e4f4b62f9a", kill_on_drop: false }` [INFO] [stderr] Compiling pest v2.1.0 [INFO] [stderr] Compiling syn v0.15.26 [INFO] [stderr] Compiling pest_meta v2.1.0 [INFO] [stderr] Compiling pest_generator v2.1.0 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Documenting meetup-2019-02 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(slice_patterns)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: half-open range patterns are unstable [INFO] [stdout] --> src/codegen.rs:70:51 [INFO] [stdout] | [INFO] [stdout] 70 | [SExp::Ident("+"), first, second, rest..] => { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #67264 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: half-open range patterns are unstable [INFO] [stdout] --> src/codegen.rs:73:51 [INFO] [stdout] | [INFO] [stdout] 73 | [SExp::Ident("-"), first, second, rest..] => { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #67264 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: half-open range patterns are unstable [INFO] [stdout] --> src/codegen.rs:76:51 [INFO] [stdout] | [INFO] [stdout] 76 | [SExp::Ident("<"), first, second, rest..] => { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #67264 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: half-open range patterns are unstable [INFO] [stdout] --> src/codegen.rs:115:26 [INFO] [stdout] | [INFO] [stdout] 115 | [callee, args..] => { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #67264 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: Compilation failed, aborting rustdoc [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 6 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0554, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: Could not document `meetup-2019-02`. [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name meetup_2019_02 src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-09be1e3f269d05b8.rmeta --extern pest=/opt/rustwide/target/debug/deps/libpest-bf113178b08bb2da.rmeta --extern pest_derive=/opt/rustwide/target/debug/deps/libpest_derive-bd32226d0071db6c.so --cap-lints=warn` (exit code: 1) [INFO] running `Command { std: "docker" "inspect" "fc66b3d1abc397806d49e67b63a44e6a7cc1b7eafbbb9a25385128e4f4b62f9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fc66b3d1abc397806d49e67b63a44e6a7cc1b7eafbbb9a25385128e4f4b62f9a", kill_on_drop: false }` [INFO] [stdout] fc66b3d1abc397806d49e67b63a44e6a7cc1b7eafbbb9a25385128e4f4b62f9a