[INFO] crate ecc 0.0.5 is already in cache
[INFO] checking ecc-0.0.5 against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] extracting crate ecc 0.0.5 into work/builds/worker-4/source
[INFO] validating manifest of crates.io crate ecc 0.0.5 on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ecc 0.0.5
[INFO] finished tweaking crates.io crate ecc 0.0.5
[INFO] tweaked toml for crates.io crate ecc 0.0.5 written to work/builds/worker-4/source/Cargo.toml
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c3fa1d7ad10c3a59f907b3ba8acbb4445eb7b263867d84e6f530c28dc03bdc53
[INFO] running `"docker" "start" "-a" "c3fa1d7ad10c3a59f907b3ba8acbb4445eb7b263867d84e6f530c28dc03bdc53"`
[INFO] [stderr]     Checking num v0.0.5
[INFO] [stderr] error: expected identifier, found keyword `mod`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-0.0.5/src/bigint.rs:66:16
[INFO] [stderr]    |
[INFO] [stderr] 66 | use std::str::{mod, FromStr};
[INFO] [stderr]    |                ^^^ expected identifier, found keyword
[INFO] [stderr] help: you can escape reserved keywords to use them as identifiers
[INFO] [stderr]    |
[INFO] [stderr] 66 | use std::str::{r#mod, FromStr};
[INFO] [stderr]    |                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: expected one of `!`, `(`, `+`, `::`, `;`, `<`, or `]`, found `,`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-0.0.5/src/bigint.rs:80:27
[INFO] [stderr]    |
[INFO] [stderr] 80 | static ZERO_VEC: [BigDigit, ..1] = [ZERO_BIG_DIGIT];
[INFO] [stderr]    |                           ^ expected one of 7 possible tokens here
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `num`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c3fa1d7ad10c3a59f907b3ba8acbb4445eb7b263867d84e6f530c28dc03bdc53"`
[INFO] running `"docker" "rm" "-f" "c3fa1d7ad10c3a59f907b3ba8acbb4445eb7b263867d84e6f530c28dc03bdc53"`
[INFO] [stdout] c3fa1d7ad10c3a59f907b3ba8acbb4445eb7b263867d84e6f530c28dc03bdc53