[INFO] fetching crate libchao 0.1.0... [INFO] documenting libchao-0.1.0 against beta-2020-08-29 for beta-1.47-rustdoc-1 [INFO] extracting crate libchao 0.1.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate libchao 0.1.0 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 crates.io crate libchao 0.1.0 [INFO] finished tweaking crates.io crate libchao 0.1.0 [INFO] tweaked toml for crates.io crate libchao 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] f784e1531b961da6bde6b6e4c91b73db8154d285abaa9dc38184bf96d6697214 [INFO] running `Command { std: "docker" "start" "-a" "f784e1531b961da6bde6b6e4c91b73db8154d285abaa9dc38184bf96d6697214", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f784e1531b961da6bde6b6e4c91b73db8154d285abaa9dc38184bf96d6697214", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f784e1531b961da6bde6b6e4c91b73db8154d285abaa9dc38184bf96d6697214", kill_on_drop: false }` [INFO] [stdout] f784e1531b961da6bde6b6e4c91b73db8154d285abaa9dc38184bf96d6697214 [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] bbb6c365005ef3938e16a93055cbc53f7658770e461fa5aed9d0c9b1d1211221 [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" "bbb6c365005ef3938e16a93055cbc53f7658770e461fa5aed9d0c9b1d1211221", kill_on_drop: false }` [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking either v1.6.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking ascii v0.9.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking colored v1.9.3 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Checking combine v3.8.1 [INFO] [stderr] Documenting libchao v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(slice_patterns)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: half-open range patterns are unstable [INFO] [stdout] --> src/env.rs:118:20 [INFO] [stdout] | [INFO] [stdout] 118 | [expr, rest..] => match self.eval(expr) { [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/env.rs:177:20 [INFO] [stdout] | [INFO] [stdout] 177 | [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc - x.clone()), [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/env.rs:197:20 [INFO] [stdout] | [INFO] [stdout] 197 | [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc / x.clone()), [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/env.rs:224:20 [INFO] [stdout] | [INFO] [stdout] 224 | [head, tail..] => Bool(tail.iter().all(|ref x| *x == head)), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #67264 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: exclusive range pattern syntax is experimental [INFO] [stdout] --> src/env.rs:118:20 [INFO] [stdout] | [INFO] [stdout] 118 | [expr, rest..] => match self.eval(expr) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #37854 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: exclusive range pattern syntax is experimental [INFO] [stdout] --> src/env.rs:177:20 [INFO] [stdout] | [INFO] [stdout] 177 | [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc - x.clone()), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #37854 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: exclusive range pattern syntax is experimental [INFO] [stdout] --> src/env.rs:197:20 [INFO] [stdout] | [INFO] [stdout] 197 | [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc / x.clone()), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #37854 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: exclusive range pattern syntax is experimental [INFO] [stdout] --> src/env.rs:224:20 [INFO] [stdout] | [INFO] [stdout] 224 | [head, tail..] => Bool(tail.iter().all(|ref x| *x == head)), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #37854 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: Compilation failed, aborting rustdoc [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 10 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 `libchao`. [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --crate-type lib --crate-name libchao 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 colored=/opt/rustwide/target/debug/deps/libcolored-580222313d849236.rmeta --extern combine=/opt/rustwide/target/debug/deps/libcombine-f458a4fdf4e2a30b.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-9474ea2caecfb910.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1) [INFO] running `Command { std: "docker" "inspect" "bbb6c365005ef3938e16a93055cbc53f7658770e461fa5aed9d0c9b1d1211221", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bbb6c365005ef3938e16a93055cbc53f7658770e461fa5aed9d0c9b1d1211221", kill_on_drop: false }` [INFO] [stdout] bbb6c365005ef3938e16a93055cbc53f7658770e461fa5aed9d0c9b1d1211221