[INFO] cloning repository https://github.com/loalang/loalang [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/loalang/loalang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Floalang%2Floalang", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Floalang%2Floalang'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 745edc192564b3f362ad1623fbb8853fcefa876e [INFO] documenting loalang/loalang 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%2Floalang%2Floalang" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/loalang/loalang 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/loalang/loalang [INFO] finished tweaking git repo https://github.com/loalang/loalang [INFO] tweaked toml for git repo https://github.com/loalang/loalang written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/loalang/loalang 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] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 0a960b9d33f9a680c6eabda6bcaa68d775cf936b58a40246fac3860a0c670f45 [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" "0a960b9d33f9a680c6eabda6bcaa68d775cf936b58a40246fac3860a0c670f45", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0a960b9d33f9a680c6eabda6bcaa68d775cf936b58a40246fac3860a0c670f45", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a960b9d33f9a680c6eabda6bcaa68d775cf936b58a40246fac3860a0c670f45", kill_on_drop: false }` [INFO] [stdout] 0a960b9d33f9a680c6eabda6bcaa68d775cf936b58a40246fac3860a0c670f45 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] e77ee49cf43d417258d8c5f4aa4342872d6a9ebf704859119bdf1f24959b1a6d [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" "e77ee49cf43d417258d8c5f4aa4342872d6a9ebf704859119bdf1f24959b1a6d", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling num-bigint v0.2.2 [INFO] [stderr] Compiling unicode-segmentation v1.5.0 [INFO] [stderr] Checking peekmore v0.4.0 [INFO] [stderr] Checking strum v0.17.1 [INFO] [stderr] Checking ngrammatic v0.3.1 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling num-complex v0.2.3 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling bincode v1.2.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling serde_derive v1.0.101 [INFO] [stderr] Compiling strum_macros v0.17.1 [INFO] [stderr] Checking serde v1.0.101 [INFO] [stderr] Checking num v0.2.0 [INFO] [stderr] Checking fraction v0.6.2 [INFO] [stderr] Documenting loalang v0.1.20 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib/mod.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(box_patterns, try_trait)] [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 `loalang`. [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name loa src/lib/mod.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern atty=/opt/rustwide/target/debug/deps/libatty-27b4c9d546abb603.rmeta --extern bincode=/opt/rustwide/target/debug/deps/libbincode-d9a5f966c1d832aa.rmeta --extern fraction=/opt/rustwide/target/debug/deps/libfraction-b0988923dd7c4c9c.rmeta --extern glob=/opt/rustwide/target/debug/deps/libglob-91c2b32d0ceb9511.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-8323f990c1bf056d.rmeta --extern matches=/opt/rustwide/target/debug/deps/libmatches-375a61cf355a0c26.rmeta --extern ngrammatic=/opt/rustwide/target/debug/deps/libngrammatic-101e6d7a7a9f4fbf.rmeta --extern num_bigint=/opt/rustwide/target/debug/deps/libnum_bigint-cc2a29b1322fb060.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-661f8bc1128d8c0f.rmeta --extern peekmore=/opt/rustwide/target/debug/deps/libpeekmore-8c4e0119c5e4ee82.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-6c87d1455ffce48a.rmeta --extern strum=/opt/rustwide/target/debug/deps/libstrum-9522db049f6070ad.rmeta --extern strum_macros=/opt/rustwide/target/debug/deps/libstrum_macros-bc259169550716a0.so --cap-lints=warn` (exit code: 1) [INFO] running `Command { std: "docker" "inspect" "e77ee49cf43d417258d8c5f4aa4342872d6a9ebf704859119bdf1f24959b1a6d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e77ee49cf43d417258d8c5f4aa4342872d6a9ebf704859119bdf1f24959b1a6d", kill_on_drop: false }` [INFO] [stdout] e77ee49cf43d417258d8c5f4aa4342872d6a9ebf704859119bdf1f24959b1a6d