[INFO] cloning repository https://github.com/sulabhkothari/SkRustLearn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sulabhkothari/SkRustLearn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsulabhkothari%2FSkRustLearn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsulabhkothari%2FSkRustLearn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0593d5dce8c4c97bb399ff38bf37f803bb3f8e72
[INFO] documenting sulabhkothari/SkRustLearn against 1.86.0 for beta-1.87-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsulabhkothari%2FSkRustLearn" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sulabhkothari/SkRustLearn on toolchain 1.86.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sulabhkothari/SkRustLearn
[INFO] finished tweaking git repo https://github.com/sulabhkothari/SkRustLearn
[INFO] tweaked toml for git repo https://github.com/sulabhkothari/SkRustLearn written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sulabhkothari/SkRustLearn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac6eb35a424e67f4ef85ac847d4ab8f4745e0ad00b70d88dc6acfb7834a80fd2
[INFO] running `Command { std: "docker" "start" "-a" "ac6eb35a424e67f4ef85ac847d4ab8f4745e0ad00b70d88dc6acfb7834a80fd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac6eb35a424e67f4ef85ac847d4ab8f4745e0ad00b70d88dc6acfb7834a80fd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac6eb35a424e67f4ef85ac847d4ab8f4745e0ad00b70d88dc6acfb7834a80fd2", kill_on_drop: false }`
[INFO] [stdout] ac6eb35a424e67f4ef85ac847d4ab8f4745e0ad00b70d88dc6acfb7834a80fd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09073819dfa7d038cca4f6c6e479efa3028212b956f8295b5231bd2d5d1a2deb
[INFO] running `Command { std: "docker" "start" "-a" "09073819dfa7d038cca4f6c6e479efa3028212b956f8295b5231bd2d5d1a2deb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking SkRustLearn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting SkRustLearn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]  --> src/fearless_concurrency.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::BorrowMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/fearless_concurrency.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> src/advanced_features.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let r = address as *const i32;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `SkRustLearn` (lib); 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/1.86.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name mymods --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=0b7a79fa5cbc4867 -C extra-filename=-ca035df435164b51 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-7ca7a19eb4652d00.rmeta --cap-lints=warn` (exit status: 0)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: couldn't generate documentation: No space left on device (os error 28)
[INFO] [stdout]   |
[INFO] [stdout]   = note: failed to create or modify "/opt/rustwide/target/doc/search.desc/mymods"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `SkRustLearn`
[INFO] running `Command { std: "docker" "inspect" "09073819dfa7d038cca4f6c6e479efa3028212b956f8295b5231bd2d5d1a2deb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09073819dfa7d038cca4f6c6e479efa3028212b956f8295b5231bd2d5d1a2deb", kill_on_drop: false }`
[INFO] [stdout] 09073819dfa7d038cca4f6c6e479efa3028212b956f8295b5231bd2d5d1a2deb