[INFO] cloning repository https://github.com/kana-rus/simplex_method
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kana-rus/simplex_method" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkana-rus%2Fsimplex_method", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkana-rus%2Fsimplex_method'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8bd94b69053abc92ef69413403ab8aed1b61a6f1
[INFO] documenting kana-rus/simplex_method against 1.75.0 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkana-rus%2Fsimplex_method" "/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/kana-rus/simplex_method on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kana-rus/simplex_method
[INFO] finished tweaking git repo https://github.com/kana-rus/simplex_method
[INFO] tweaked toml for git repo https://github.com/kana-rus/simplex_method written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kana-rus/simplex_method 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] documenting kana-rus/simplex_method against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkana-rus%2Fsimplex_method" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kana-rus/simplex_method on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kana-rus/simplex_method
[INFO] finished tweaking git repo https://github.com/kana-rus/simplex_method
[INFO] tweaked toml for git repo https://github.com/kana-rus/simplex_method written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kana-rus/simplex_method 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" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f87b9325c97fb7d5669696b60318294bf99002a5fc8e11b53f484c13d5ba70b2
[INFO] running `Command { std: "docker" "start" "-a" "f87b9325c97fb7d5669696b60318294bf99002a5fc8e11b53f484c13d5ba70b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f87b9325c97fb7d5669696b60318294bf99002a5fc8e11b53f484c13d5ba70b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f87b9325c97fb7d5669696b60318294bf99002a5fc8e11b53f484c13d5ba70b2", kill_on_drop: false }`
[INFO] [stdout] f87b9325c97fb7d5669696b60318294bf99002a5fc8e11b53f484c13d5ba70b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d12a415d6efdc4ddd633b353e8a31c0edbb0cf8d793e44ab18a483b4d0e75130
[INFO] running `Command { std: "docker" "start" "-a" "d12a415d6efdc4ddd633b353e8a31c0edbb0cf8d793e44ab18a483b4d0e75130", kill_on_drop: false }`
[INFO] [stderr]  Documenting simplex_method v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | #![feature(slice_concat_trait)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |   //! ```ignore
[INFO] [stdout]   |  _____^
[INFO] [stdout] 4 | | //!     maximize:  c x
[INFO] [stdout] 5 | | //!     s.t.  A x <= b, \forall{i}, x_i >= 0
[INFO] [stdout] 6 | | //!     ( x, b, c \in R^n,  A \in R^m × R^n ) 
[INFO] [stdout] 7 | | //! ```
[INFO] [stdout]   | |_______^
[INFO] [stdout]   |
[INFO] [stdout] help: `ignore` code blocks require valid Rust code for syntax highlighting; mark blocks that do not contain Rust code as text: ```text
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | //! ```ignore
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   = note: error from rustc: unknown start of token: \
[INFO] [stdout]   = note: error from rustc: unknown start of token: \
[INFO] [stdout]   = note: error from rustc: unknown start of token: \
[INFO] [stdout]   = note: error from rustc: unknown start of token: \u{d7}
[INFO] [stdout]   = note: `#[warn(rustdoc::invalid_rust_codeblocks)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |   //! ```ignore
[INFO] [stdout]    |  _____^
[INFO] [stdout] 11 | | //!     maximize:  c x
[INFO] [stdout] 12 | | //!     s.t.  A' x' = b, \forall{i}, x'_i >= 0
[INFO] [stdout] 13 | | //!     ( A' = [A | E] )
[INFO] [stdout] 14 | | //!     ( x' = (x_1, ..., x_n, s_1, ..., s_m)^t )
[INFO] [stdout] 15 | | //! ```
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout] help: `ignore` code blocks require valid Rust code for syntax highlighting; mark blocks that do not contain Rust code as text: ```text
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | //! ```ignore
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    = note: error from rustc: prefix `A` is unknown
[INFO] [stdout]    = note: error from rustc: character literal may only contain one codepoint
[INFO] [stdout]    = note: error from rustc: unknown start of token: \
[INFO] [stdout]    = note: error from rustc: prefix `x` is unknown
[INFO] [stdout]    = note: error from rustc: prefix `A` is unknown
[INFO] [stdout]    = note: error from rustc: unterminated character literal
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `simplex_method`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2023-12-22-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --crate-name simplex_method src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=738f6d84aeba42a6 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "d12a415d6efdc4ddd633b353e8a31c0edbb0cf8d793e44ab18a483b4d0e75130", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d12a415d6efdc4ddd633b353e8a31c0edbb0cf8d793e44ab18a483b4d0e75130", kill_on_drop: false }`
[INFO] [stdout] d12a415d6efdc4ddd633b353e8a31c0edbb0cf8d793e44ab18a483b4d0e75130
