[INFO] fetching crate czt 0.3.6...
[INFO] checking czt-0.3.6 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate czt 0.3.6 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate czt 0.3.6 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate czt 0.3.6
[INFO] finished tweaking crates.io crate czt 0.3.6
[INFO] tweaked toml for crates.io crate czt 0.3.6 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] 7ae52d5b8b0e8730d73d623f08bdb6ee66aa5df212fb0c5382163a519850acad
[INFO] running `"docker" "start" "-a" "7ae52d5b8b0e8730d73d623f08bdb6ee66aa5df212fb0c5382163a519850acad"`
[INFO] [stderr]     Checking assert v0.7.4
[INFO] [stderr]     Checking num-traits v0.2.11
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking dft v0.5.5
[INFO] [stderr]     Checking czt v0.3.6 (/opt/rustwide/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 type parameter `T` declared on the struct `Complex`
[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] [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 type parameter `T` declared on the struct `Complex`
[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" "7ae52d5b8b0e8730d73d623f08bdb6ee66aa5df212fb0c5382163a519850acad"`
[INFO] running `"docker" "rm" "-f" "7ae52d5b8b0e8730d73d623f08bdb6ee66aa5df212fb0c5382163a519850acad"`
[INFO] [stdout] 7ae52d5b8b0e8730d73d623f08bdb6ee66aa5df212fb0c5382163a519850acad