[INFO] fetching crate ecc 0.0.5...
[INFO] extracting crate ecc 0.0.5 into work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/ecc/0.0.5
[INFO] extracting crate ecc 0.0.5 into work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/ecc/0.0.5
[INFO] validating manifest of ecc-0.0.5 on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ecc-0.0.5 on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ecc-0.0.5
[INFO] finished frobbing ecc-0.0.5
[INFO] frobbed toml for ecc-0.0.5 written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/ecc/0.0.5/Cargo.toml
[INFO] started frobbing ecc-0.0.5
[INFO] finished frobbing ecc-0.0.5
[INFO] frobbed toml for ecc-0.0.5 written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/ecc/0.0.5/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num v0.0.5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking ecc-0.0.5 against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-1/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/ecc/0.0.5:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0ed7d52b197651649d36318ad4934c6bdb17d5e8f4e4301df66d3c4fcdc4410e
[INFO] running `"docker" "start" "-a" "0ed7d52b197651649d36318ad4934c6bdb17d5e8f4e4301df66d3c4fcdc4410e"`
[INFO] [stderr]     Checking num v0.0.5
[INFO] [stderr] error: expected identifier, found keyword `mod`
[INFO] [stderr]   --> /opt/crater/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/crater/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" "0ed7d52b197651649d36318ad4934c6bdb17d5e8f4e4301df66d3c4fcdc4410e"`
[INFO] running `"docker" "rm" "-f" "0ed7d52b197651649d36318ad4934c6bdb17d5e8f4e4301df66d3c4fcdc4410e"`
[INFO] [stdout] 0ed7d52b197651649d36318ad4934c6bdb17d5e8f4e4301df66d3c4fcdc4410e