[INFO] cloning repository https://github.com/elbaro/license-checker [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/elbaro/license-checker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felbaro%2Flicense-checker", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felbaro%2Flicense-checker'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a2615f3f84e4092520ef0141de9719ff6a4f64d4 [INFO] documenting elbaro/license-checker against beta-2020-08-29 for beta-1.47-rustdoc-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felbaro%2Flicense-checker" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/elbaro/license-checker 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 git repo https://github.com/elbaro/license-checker [INFO] finished tweaking git repo https://github.com/elbaro/license-checker [INFO] tweaked toml for git repo https://github.com/elbaro/license-checker written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/elbaro/license-checker already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ignore v0.4.10 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stdout] 9cf944c6e1ad8c5ccd4839ae94a886c24fec0f4ae8e3807c70e3f840ff053c5a [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" "9cf944c6e1ad8c5ccd4839ae94a886c24fec0f4ae8e3807c70e3f840ff053c5a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9cf944c6e1ad8c5ccd4839ae94a886c24fec0f4ae8e3807c70e3f840ff053c5a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9cf944c6e1ad8c5ccd4839ae94a886c24fec0f4ae8e3807c70e3f840ff053c5a", kill_on_drop: false }` [INFO] [stdout] 9cf944c6e1ad8c5ccd4839ae94a886c24fec0f4ae8e3807c70e3f840ff053c5a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 1694909f4b036f1e10493531a68d160e754dbae15af92759ad29b9f2e49e76db [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" "1694909f4b036f1e10493531a68d160e754dbae15af92759ad29b9f2e49e76db", kill_on_drop: false }` [INFO] [stderr] Compiling num_cpus v1.11.1 [INFO] [stderr] Compiling jobserver v0.1.17 [INFO] [stderr] Checking serde v1.0.102 [INFO] [stderr] Compiling cc v1.0.47 [INFO] [stderr] Compiling libz-sys v1.0.25 [INFO] [stderr] Compiling openssl-sys v0.9.52 [INFO] [stderr] Compiling libssh2-sys v0.2.13 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Compiling libgit2-sys v0.9.1 [INFO] [stderr] Checking backtrace v0.3.40 [INFO] [stderr] Checking failure v0.1.6 [INFO] [stderr] Checking git2 v0.10.1 [INFO] [stderr] Checking toml v0.5.5 [INFO] [stderr] Documenting license-checker v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(label_break_value)] [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 `license-checker`. [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name license_checker 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 chrono=/opt/rustwide/target/debug/deps/libchrono-572cb6368bd49ac4.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-47d2469a64e723a3.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-2ce3e50c2e0f336b.rmeta --extern git2=/opt/rustwide/target/debug/deps/libgit2-082a1ce6036725de.rmeta --extern ignore=/opt/rustwide/target/debug/deps/libignore-221f5dfe1e67c964.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-13b01f7cffee51ae.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-da6568d28c5e45c0.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-9c9e57cb9ff393fb.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1) [INFO] running `Command { std: "docker" "inspect" "1694909f4b036f1e10493531a68d160e754dbae15af92759ad29b9f2e49e76db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1694909f4b036f1e10493531a68d160e754dbae15af92759ad29b9f2e49e76db", kill_on_drop: false }` [INFO] [stdout] 1694909f4b036f1e10493531a68d160e754dbae15af92759ad29b9f2e49e76db