[INFO] updating cached repository Woyten/math-util
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Woyten/math-util
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Woyten/math-util" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/Woyten/math-util"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/Woyten/math-util'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Woyten/math-util" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/Woyten/math-util"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/Woyten/math-util'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ac824440152248228880fd4b32ca5066bfb80077
[INFO] sha for GitHub repo Woyten/math-util: ac824440152248228880fd4b32ca5066bfb80077
[INFO] validating manifest of Woyten/math-util on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Woyten/math-util on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Woyten/math-util
[INFO] finished frobbing Woyten/math-util
[INFO] frobbed toml for Woyten/math-util written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/Woyten/math-util/Cargo.toml
[INFO] started frobbing Woyten/math-util
[INFO] finished frobbing Woyten/math-util
[INFO] frobbed toml for Woyten/math-util written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/Woyten/math-util/Cargo.toml
[INFO] crate Woyten/math-util already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Woyten/math-util against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-2/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/Woyten/math-util:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e7c7dc8775414986bfbe80bd4fdab91ad102c2e2a43d88845c094716e11c9d4b
[INFO] running `"docker" "start" "-a" "e7c7dc8775414986bfbe80bd4fdab91ad102c2e2a43d88845c094716e11c9d4b"`
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking rustfft v2.1.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking nalgebra v0.16.8
[INFO] [stderr]     Checking math-util v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved import `num`
[INFO] [stderr]  --> examples/benchmark.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use num::Complex;
[INFO] [stderr]   |     ^^^ help: a similar path exists: `std::num`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `math-util`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "e7c7dc8775414986bfbe80bd4fdab91ad102c2e2a43d88845c094716e11c9d4b"`
[INFO] running `"docker" "rm" "-f" "e7c7dc8775414986bfbe80bd4fdab91ad102c2e2a43d88845c094716e11c9d4b"`
[INFO] [stdout] e7c7dc8775414986bfbe80bd4fdab91ad102c2e2a43d88845c094716e11c9d4b