[INFO] cloning repository https://github.com/Naalunth/aoc
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Naalunth/aoc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNaalunth%2Faoc"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNaalunth%2Faoc'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d18eeb8562976800beaebf45d7b0b4bf86f2ca78
[INFO] checking Naalunth/aoc against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNaalunth%2Faoc" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Naalunth/aoc on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Naalunth/aoc
[INFO] finished tweaking git repo https://github.com/Naalunth/aoc
[INFO] tweaked toml for git repo https://github.com/Naalunth/aoc written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/Naalunth/aoc already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1923d7b44043c4ecda21371291cc2803217baad4d2e21e83040c619a6a89918e
[INFO] running `"docker" "start" "-a" "1923d7b44043c4ecda21371291cc2803217baad4d2e21e83040c619a6a89918e"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ndarray v0.12.1 (https://github.com/rust-ndarray/ndarray#27c84a5e)
[INFO] [stderr]     Checking nonzero_signed v1.0.2
[INFO] [stderr]     Checking aoc-runner v0.2.2
[INFO] [stderr]     Checking partition v0.1.1
[INFO] [stderr]     Checking bit-vec v0.5.0
[INFO] [stderr]     Checking arrayvec v0.4.8
[INFO] [stderr]     Checking crossbeam-utils v0.6.3
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking hashers v1.0.1
[INFO] [stderr]     Checking criterion-plot v0.2.5
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking wait-timeout v0.1.5
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking criterion-stats v0.2.5
[INFO] [stderr]     Checking nom v4.1.1
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]     Checking alga v0.7.2
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling shred-derive v0.5.1
[INFO] [stderr]    Compiling specs-derive v0.3.0
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking bit-set v0.5.0
[INFO] [stderr]     Checking parking_lot v0.5.5
[INFO] [stderr]     Checking handlebars v0.32.4
[INFO] [stderr]     Checking simplelog v0.5.3
[INFO] [stderr]     Checking tempfile v3.0.5
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking csv v1.0.2
[INFO] [stderr]     Checking rusty-fork v0.2.1
[INFO] [stderr]     Checking shrev v1.0.1
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking crossbeam-deque v0.5.2
[INFO] [stderr]     Checking backtrace v0.3.12
[INFO] [stderr]     Checking proptest v0.8.7
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking crossbeam-channel v0.2.6
[INFO] [stderr]     Checking nalgebra v0.16.12
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking crossbeam v0.4.1
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]     Checking shred v0.7.1
[INFO] [stderr]     Checking hibitset v0.5.3
[INFO] [stderr]     Checking specs v0.14.1
[INFO] [stderr]    Compiling aoc-runner-internal v0.1.0
[INFO] [stderr]     Checking criterion v0.2.5
[INFO] [stderr]    Compiling aoc-runner-derive v0.2.1
[INFO] [stderr] error[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.16.12/src/base/cg.rs:291:44
[INFO] [stderr]     |
[INFO] [stderr] 291 |                 self[(j, i)] += shift[j] * self[(D::dim() - 1, i)];
[INFO] [stderr]     |                 ---------------------------^^^^-------------------
[INFO] [stderr]     |                 |                          |
[INFO] [stderr]     |                 |                          immutable borrow occurs here
[INFO] [stderr]     |                 mutable borrow occurs here
[INFO] [stderr]     |                 mutable borrow later used here
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0502`.
[INFO] [stderr] error: could not compile `nalgebra`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "1923d7b44043c4ecda21371291cc2803217baad4d2e21e83040c619a6a89918e"`
[INFO] running `"docker" "rm" "-f" "1923d7b44043c4ecda21371291cc2803217baad4d2e21e83040c619a6a89918e"`
[INFO] [stdout] 1923d7b44043c4ecda21371291cc2803217baad4d2e21e83040c619a6a89918e