[INFO] updating cached repository paddygord/rust-nix-learning
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/paddygord/rust-nix-learning
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/paddygord/rust-nix-learning" "work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/paddygord/rust-nix-learning"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/paddygord/rust-nix-learning'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/paddygord/rust-nix-learning" "work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/paddygord/rust-nix-learning"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/paddygord/rust-nix-learning'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 975109e9b19acedef3977e5966ac8c69ad006c1a
[INFO] sha for GitHub repo paddygord/rust-nix-learning: 975109e9b19acedef3977e5966ac8c69ad006c1a
[INFO] validating manifest of paddygord/rust-nix-learning on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of paddygord/rust-nix-learning on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing paddygord/rust-nix-learning
[INFO] finished frobbing paddygord/rust-nix-learning
[INFO] frobbed toml for paddygord/rust-nix-learning written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/paddygord/rust-nix-learning/Cargo.toml
[INFO] started frobbing paddygord/rust-nix-learning
[INFO] finished frobbing paddygord/rust-nix-learning
[INFO] frobbed toml for paddygord/rust-nix-learning written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/paddygord/rust-nix-learning/Cargo.toml
[INFO] crate paddygord/rust-nix-learning already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking paddygord/rust-nix-learning against try#f45cc3094ee337acd688771b9234318046b0572d for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-4/try#f45cc3094ee337acd688771b9234318046b0572d:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/paddygord/rust-nix-learning:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a1a1a5710720444b81ca81cc8656c66a22b767227e7aba4c99de527fc09fc930
[INFO] running `"docker" "start" "-a" "a1a1a5710720444b81ca81cc8656c66a22b767227e7aba4c99de527fc09fc930"`
[INFO] [stderr] warning: dependency (nalgebra) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling num-complex v0.2.0
[INFO] [stderr]     Checking approx v0.2.0
[INFO] [stderr]     Checking bincode v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]     Checking alga v0.6.0
[INFO] [stderr]     Checking nalgebra v0.15.3
[INFO] [stderr] error[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.15.3/src/base/cg.rs:292:44
[INFO] [stderr]     |
[INFO] [stderr] 292 |                 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" "a1a1a5710720444b81ca81cc8656c66a22b767227e7aba4c99de527fc09fc930"`
[INFO] running `"docker" "rm" "-f" "a1a1a5710720444b81ca81cc8656c66a22b767227e7aba4c99de527fc09fc930"`
[INFO] [stdout] a1a1a5710720444b81ca81cc8656c66a22b767227e7aba4c99de527fc09fc930