[INFO] cloning repository https://github.com/nitros12/advent_of_code_2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nitros12/advent_of_code_2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnitros12%2Fadvent_of_code_2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnitros12%2Fadvent_of_code_2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 89addd68c6cb47acc74bf084c86cd9e068d8f6ed
[INFO] documenting nitros12/advent_of_code_2018 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnitros12%2Fadvent_of_code_2018" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nitros12/advent_of_code_2018 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nitros12/advent_of_code_2018
[INFO] finished tweaking git repo https://github.com/nitros12/advent_of_code_2018
[INFO] tweaked toml for git repo https://github.com/nitros12/advent_of_code_2018 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/nitros12/advent_of_code_2018 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", 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]  Downloading crates ...
[INFO] [stderr]   Downloaded hashbrown v0.1.7
[INFO] [stderr]   Downloaded ndarray-parallel v0.9.0
[INFO] [stderr]   Downloaded bimap v0.1.5
[INFO] [stderr]   Downloaded ropey v0.9.2
[INFO] [stderr]   Downloaded spade v1.6.0
[INFO] [stderr]   Downloaded nalgebra v0.16.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48c45ae3173a1f95c179f83a308d3bbf268771df33e7efffb548e39df378bb2c
[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" "48c45ae3173a1f95c179f83a308d3bbf268771df33e7efffb548e39df378bb2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48c45ae3173a1f95c179f83a308d3bbf268771df33e7efffb548e39df378bb2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48c45ae3173a1f95c179f83a308d3bbf268771df33e7efffb548e39df378bb2c", kill_on_drop: false }`
[INFO] [stdout] 48c45ae3173a1f95c179f83a308d3bbf268771df33e7efffb548e39df378bb2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2759e991e074a6301edbeaf6101119c6cb797dbf5b38b0bdbb65e95a59d679f
[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" "a2759e991e074a6301edbeaf6101119c6cb797dbf5b38b0bdbb65e95a59d679f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling serde v1.0.82
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking aoc-runner v0.2.2
[INFO] [stderr]     Checking bimap v0.1.5
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking num-bigint v0.2.2
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]     Checking ropey v0.9.2
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking hashbrown v0.1.7
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking alga v0.7.2
[INFO] [stderr]     Checking num-rational v0.2.1
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking nalgebra v0.16.12
[INFO] [stderr]     Checking ndarray-parallel v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.33
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stdout] error[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.16.12/src/base/cg.rs:291:44
[INFO] [stdout]     |
[INFO] [stdout] 291 |                 self[(j, i)] += shift[j] * self[(D::dim() - 1, i)];
[INFO] [stdout]     |                 ---------------------------^^^^-------------------
[INFO] [stdout]     |                 |                          |
[INFO] [stdout]     |                 |                          immutable borrow occurs here
[INFO] [stdout]     |                 mutable borrow occurs here
[INFO] [stdout]     |                 mutable borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0502`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nalgebra` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a2759e991e074a6301edbeaf6101119c6cb797dbf5b38b0bdbb65e95a59d679f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2759e991e074a6301edbeaf6101119c6cb797dbf5b38b0bdbb65e95a59d679f", kill_on_drop: false }`
[INFO] [stdout] a2759e991e074a6301edbeaf6101119c6cb797dbf5b38b0bdbb65e95a59d679f
