[INFO] fetching crate czt 0.3.6...
[INFO] extracting crate czt 0.3.6 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/czt/0.3.6
[INFO] extracting crate czt 0.3.6 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/czt/0.3.6
[INFO] validating manifest of czt-0.3.6 on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of czt-0.3.6 on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing czt-0.3.6
[INFO] finished frobbing czt-0.3.6
[INFO] frobbed toml for czt-0.3.6 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/czt/0.3.6/Cargo.toml
[INFO] started frobbing czt-0.3.6
[INFO] finished frobbing czt-0.3.6
[INFO] frobbed toml for czt-0.3.6 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/czt/0.3.6/Cargo.toml
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking czt-0.3.6 against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-6/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/czt/0.3.6:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 60fbba13f2bbef9f15340fa87cc1f12018f2f1e97211904f9ea8cbed08d87183
[INFO] running `"docker" "start" "-a" "60fbba13f2bbef9f15340fa87cc1f12018f2f1e97211904f9ea8cbed08d87183"`
[INFO] [stderr]     Checking assert v0.7.4
[INFO] [stderr]     Checking dft v0.5.5
[INFO] [stderr]     Checking czt v0.3.6 (/opt/crater/workdir)
[INFO] [stderr] error[E0282]: type annotations needed for `num_complex::Complex<T>`
[INFO] [stderr]   --> src/transform.rs:23:19
[INFO] [stderr]    |
[INFO] [stderr] 23 |         let one = Complex::one();
[INFO] [stderr]    |             ---   ^^^^^^^^^^^^ cannot infer type for `T`
[INFO] [stderr]    |             |
[INFO] [stderr]    |             consider giving `one` the explicit type `num_complex::Complex<T>`, where the type parameter `T` is specified
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0282`.
[INFO] [stderr] error: Could not compile `czt`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0282]: type annotations needed for `num_complex::Complex<T>`
[INFO] [stderr]   --> src/transform.rs:23:19
[INFO] [stderr]    |
[INFO] [stderr] 23 |         let one = Complex::one();
[INFO] [stderr]    |             ---   ^^^^^^^^^^^^ cannot infer type for `T`
[INFO] [stderr]    |             |
[INFO] [stderr]    |             consider giving `one` the explicit type `num_complex::Complex<T>`, where the type parameter `T` is specified
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0282`.
[INFO] [stderr] error: Could not compile `czt`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "60fbba13f2bbef9f15340fa87cc1f12018f2f1e97211904f9ea8cbed08d87183"`
[INFO] running `"docker" "rm" "-f" "60fbba13f2bbef9f15340fa87cc1f12018f2f1e97211904f9ea8cbed08d87183"`
[INFO] [stdout] 60fbba13f2bbef9f15340fa87cc1f12018f2f1e97211904f9ea8cbed08d87183