[INFO] fetching crate ecc 0.0.5...
[INFO] checking ecc-0.0.5 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate ecc 0.0.5 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate ecc 0.0.5 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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 /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num v0.0.5
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] 942b831b3e3ea128e9b39bd65c71ecc814f8b4d4a7bc22334ad345f720cec63e
[INFO] running `"docker" "start" "-a" "942b831b3e3ea128e9b39bd65c71ecc814f8b4d4a7bc22334ad345f720cec63e"`
[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" "942b831b3e3ea128e9b39bd65c71ecc814f8b4d4a7bc22334ad345f720cec63e"`
[INFO] running `"docker" "rm" "-f" "942b831b3e3ea128e9b39bd65c71ecc814f8b4d4a7bc22334ad345f720cec63e"`
[INFO] [stdout] 942b831b3e3ea128e9b39bd65c71ecc814f8b4d4a7bc22334ad345f720cec63e