[INFO] cloning repository https://github.com/jonathansharman/gynjo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jonathansharman/gynjo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonathansharman%2Fgynjo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonathansharman%2Fgynjo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e322d20d0be6f6326fec0d12baa3a4e090a69dc8
[INFO] documenting jonathansharman/gynjo 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%2Fjonathansharman%2Fgynjo" "/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/jonathansharman/gynjo 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/jonathansharman/gynjo
[INFO] finished tweaking git repo https://github.com/jonathansharman/gynjo
[INFO] tweaked toml for git repo https://github.com/jonathansharman/gynjo written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/jonathansharman/gynjo 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-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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 270148b639a24d674bd3ad5e4b265a0a2283c91db3ecbfb4ccc02903e0dca87c
[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" "270148b639a24d674bd3ad5e4b265a0a2283c91db3ecbfb4ccc02903e0dca87c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "270148b639a24d674bd3ad5e4b265a0a2283c91db3ecbfb4ccc02903e0dca87c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "270148b639a24d674bd3ad5e4b265a0a2283c91db3ecbfb4ccc02903e0dca87c", kill_on_drop: false }`
[INFO] [stdout] 270148b639a24d674bd3ad5e4b265a0a2283c91db3ecbfb4ccc02903e0dca87c
[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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", 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] 79f8bb363e1d442592e18e858f6131b2e9f7ea6d44bb762462816d3117cdcdf0
[INFO] running `Command { std: "docker" "start" "-a" "79f8bb363e1d442592e18e858f6131b2e9f7ea6d44bb762462816d3117cdcdf0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling beef v0.4.4
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking bigdecimal v0.1.2
[INFO] [stderr]    Compiling logos-derive v0.11.5
[INFO] [stderr]     Checking logos v0.11.4
[INFO] [stderr]  Documenting gynjo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(exclusive_range_pattern)]
[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 `gynjo`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name gynjo 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 bigdecimal=/opt/rustwide/target/debug/deps/libbigdecimal-9267c1eb96e7b47a.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-3b466a4978391dd5.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-57a7edc7f441d44c.rmeta --extern logos=/opt/rustwide/target/debug/deps/liblogos-3c69f6e2b0c6b262.rmeta --extern num_bigint=/opt/rustwide/target/debug/deps/libnum_bigint-38ca930cf386f689.rmeta --extern num_rational=/opt/rustwide/target/debug/deps/libnum_rational-a8de74ff164289b6.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-572500966ec634eb.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "79f8bb363e1d442592e18e858f6131b2e9f7ea6d44bb762462816d3117cdcdf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79f8bb363e1d442592e18e858f6131b2e9f7ea6d44bb762462816d3117cdcdf0", kill_on_drop: false }`
[INFO] [stdout] 79f8bb363e1d442592e18e858f6131b2e9f7ea6d44bb762462816d3117cdcdf0