[INFO] fetching crate num-complex 0.2.4...
[INFO] checking num-complex-0.2.4 against try#a243773eaf3fedcd203f10ae4579e4f106bf7ccd for pr-68325
[INFO] extracting crate num-complex 0.2.4 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate num-complex 0.2.4 on toolchain a243773eaf3fedcd203f10ae4579e4f106bf7ccd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate num-complex 0.2.4
[INFO] finished tweaking crates.io crate num-complex 0.2.4
[INFO] tweaked toml for crates.io crate num-complex 0.2.4 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "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] e3cd7637a22faa522726e581e08fefd38509adce55c3c302281e687806856373
[INFO] running `"docker" "start" "-a" "e3cd7637a22faa522726e581e08fefd38509adce55c3c302281e687806856373"`
[INFO] [stderr]    Compiling num-complex v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/lib.rs:1365:14
[INFO] [stderr]      |
[INFO] [stderr] 1365 |     let re = try!(from(re).map_err(ParseComplexError::from_error));
[INFO] [stderr]      |              ^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/lib.rs:1378:14
[INFO] [stderr]      |
[INFO] [stderr] 1378 |     let im = try!(from(im).map_err(ParseComplexError::from_error));
[INFO] [stderr]      |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/lib.rs:1365:14
[INFO] [stderr]      |
[INFO] [stderr] 1365 |     let re = try!(from(re).map_err(ParseComplexError::from_error));
[INFO] [stderr]      |              ^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/lib.rs:1378:14
[INFO] [stderr]      |
[INFO] [stderr] 1378 |     let im = try!(from(im).map_err(ParseComplexError::from_error));
[INFO] [stderr]      |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]     --> src/lib.rs:1499:54
[INFO] [stderr]      |
[INFO] [stderr] 1499 |             ComplexErrorKind::ParseError(ref e) => e.description(),
[INFO] [stderr]      |                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]     --> src/lib.rs:1499:54
[INFO] [stderr]      |
[INFO] [stderr] 1499 |             ComplexErrorKind::ParseError(ref e) => e.description(),
[INFO] [stderr]      |                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.66s
[INFO] running `"docker" "inspect" "e3cd7637a22faa522726e581e08fefd38509adce55c3c302281e687806856373"`
[INFO] running `"docker" "rm" "-f" "e3cd7637a22faa522726e581e08fefd38509adce55c3c302281e687806856373"`
[INFO] [stdout] e3cd7637a22faa522726e581e08fefd38509adce55c3c302281e687806856373