[INFO] cloning repository https://github.com/ivanceras/tinki
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ivanceras/tinki" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivanceras%2Ftinki", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivanceras%2Ftinki'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 05a16ee9b8130b425b676eafb88c7e7307dfd93e
[INFO] documenting ivanceras/tinki 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%2Fivanceras%2Ftinki" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ivanceras/tinki 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/ivanceras/tinki
[INFO] finished tweaking git repo https://github.com/ivanceras/tinki
[INFO] tweaked toml for git repo https://github.com/ivanceras/tinki written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/ivanceras/tinki 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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 256f8b309ba2aee8e446c47aeb23030472ebe434026995e1b7d65bb1d947526b
[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" "256f8b309ba2aee8e446c47aeb23030472ebe434026995e1b7d65bb1d947526b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "256f8b309ba2aee8e446c47aeb23030472ebe434026995e1b7d65bb1d947526b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "256f8b309ba2aee8e446c47aeb23030472ebe434026995e1b7d65bb1d947526b", kill_on_drop: false }`
[INFO] [stdout] 256f8b309ba2aee8e446c47aeb23030472ebe434026995e1b7d65bb1d947526b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 7a3f68a825b8fbe2fae7bfcc4d794dc5146bf5c3cb11e108fddeb20c053cd0f9
[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" "7a3f68a825b8fbe2fae7bfcc4d794dc5146bf5c3cb11e108fddeb20c053cd0f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.60
[INFO] [stderr]    Compiling bumpalo v3.2.1
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling wasm-bindgen v0.2.60
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]     Checking downcast-rs v1.1.1
[INFO] [stderr]     Checking xml-rs v0.8.2
[INFO] [stderr]     Checking unchecked-index v0.2.2
[INFO] [stderr]     Checking pom v3.1.0
[INFO] [stderr]     Checking unicode_categories v0.1.1
[INFO] [stderr]     Checking typed-arena v1.7.0
[INFO] [stderr]     Checking entities v1.0.1
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]     Checking file v1.1.2
[INFO] [stderr]     Checking url_path v0.1.3
[INFO] [stderr]     Checking memory_units v0.4.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking bit-set v0.5.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking sauron_vdom v0.24.0
[INFO] [stderr]     Checking twoway v0.2.1
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking fancy-regex v0.3.3
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking num-integer v0.1.42
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking nalgebra v0.18.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.60
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking plist v0.5.5
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.60
[INFO] [stderr]    Compiling thiserror-impl v1.0.15
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.60
[INFO] [stderr]     Checking comrak v0.7.0
[INFO] [stderr]     Checking thiserror v1.0.15
[INFO] [stderr]     Checking js-sys v0.3.37
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking syntect v4.1.1
[INFO] [stderr]     Checking web-sys v0.3.37
[INFO] [stderr]     Checking ncollide2d v0.19.2
[INFO] [stderr]     Checking sauron v0.24.0
[INFO] [stderr]     Checking console_log v0.1.2
[INFO] [stderr]     Checking svgbob v0.5.0-alpha.4
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/svgbob-0.5.0-alpha.4/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(is_sorted)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/svgbob-0.5.0-alpha.4/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[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 compile `svgbob`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "7a3f68a825b8fbe2fae7bfcc4d794dc5146bf5c3cb11e108fddeb20c053cd0f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a3f68a825b8fbe2fae7bfcc4d794dc5146bf5c3cb11e108fddeb20c053cd0f9", kill_on_drop: false }`
[INFO] [stdout] 7a3f68a825b8fbe2fae7bfcc4d794dc5146bf5c3cb11e108fddeb20c053cd0f9