[INFO] cloning repository https://github.com/DenialAdams/walnut [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DenialAdams/walnut" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDenialAdams%2Fwalnut", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDenialAdams%2Fwalnut'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 87a292739cdfde0402053fa6d512a57e42f43121 [INFO] documenting DenialAdams/walnut 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%2FDenialAdams%2Fwalnut" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/DenialAdams/walnut 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/DenialAdams/walnut [INFO] finished tweaking git repo https://github.com/DenialAdams/walnut [INFO] tweaked toml for git repo https://github.com/DenialAdams/walnut written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/DenialAdams/walnut 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] Downloading crates ... [INFO] [stderr] Downloaded libc v0.2.47 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] d9ec079fc23d9f491bdb4348beed552817c39b55739877c3e4d1dc64a44a4277 [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" "d9ec079fc23d9f491bdb4348beed552817c39b55739877c3e4d1dc64a44a4277", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d9ec079fc23d9f491bdb4348beed552817c39b55739877c3e4d1dc64a44a4277", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9ec079fc23d9f491bdb4348beed552817c39b55739877c3e4d1dc64a44a4277", kill_on_drop: false }` [INFO] [stdout] d9ec079fc23d9f491bdb4348beed552817c39b55739877c3e4d1dc64a44a4277 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 20bd24948666b7e0cbf1a1ab9c3fb852f5cccb38d3c75c2434f3fc0d42947746 [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" "20bd24948666b7e0cbf1a1ab9c3fb852f5cccb38d3c75c2434f3fc0d42947746", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.47 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Checking termcolor v1.0.4 [INFO] [stderr] Compiling memchr v2.1.2 [INFO] [stderr] Checking regex-syntax v0.6.4 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Checking env_logger v0.5.13 [INFO] [stderr] Checking pretty_env_logger v0.2.5 [INFO] [stderr] Documenting walnut 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(try_blocks, try_from)] [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 `walnut`. [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name walnut 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 bitflags=/opt/rustwide/target/debug/deps/libbitflags-b4796cc9d79cc3b4.rmeta --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-d66a0aa4d4a009b9.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-c2820ce931b86e08.rmeta --extern pretty_env_logger=/opt/rustwide/target/debug/deps/libpretty_env_logger-241c6c7f1bbe6166.rmeta --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-b5913f5dd10e70f7.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1) [INFO] running `Command { std: "docker" "inspect" "20bd24948666b7e0cbf1a1ab9c3fb852f5cccb38d3c75c2434f3fc0d42947746", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "20bd24948666b7e0cbf1a1ab9c3fb852f5cccb38d3c75c2434f3fc0d42947746", kill_on_drop: false }` [INFO] [stdout] 20bd24948666b7e0cbf1a1ab9c3fb852f5cccb38d3c75c2434f3fc0d42947746