[INFO] cloning repository cylonn/cylonn
[INFO] running `"git" "clone" "--bare" "git://github.com/cylonn/cylonn.git" "work/cache/sources/gh/cylonn/cylonn"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/cylonn/cylonn'...
[INFO] running `"git" "clone" "work/cache/sources/gh/cylonn/cylonn" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/cylonn/cylonn"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/cylonn/cylonn'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cylonn/cylonn" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/cylonn/cylonn"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/cylonn/cylonn'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 997e97a27be044669e8eda53b0b2f9d16cf84699
[INFO] sha for GitHub repo cylonn/cylonn: 997e97a27be044669e8eda53b0b2f9d16cf84699
[INFO] validating manifest of cylonn/cylonn on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cylonn/cylonn on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cylonn/cylonn
[INFO] finished frobbing cylonn/cylonn
[INFO] frobbed toml for cylonn/cylonn written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/cylonn/cylonn/Cargo.toml
[INFO] started frobbing cylonn/cylonn
[INFO] finished frobbing cylonn/cylonn
[INFO] frobbed toml for cylonn/cylonn written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/cylonn/cylonn/Cargo.toml
[INFO] crate cylonn/cylonn already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/cylonn/cylonn/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing cylonn/cylonn against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/cylonn/cylonn:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 719517d3884efe0c5987a0a700a25f37769e413674e6c69150d9f71c517bf183
[INFO] running `"docker" "start" "-a" "719517d3884efe0c5987a0a700a25f37769e413674e6c69150d9f71c517bf183"`
[INFO] [stderr]    Compiling cylonn v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] error: expected identifier, found `"rustc-serialize"`
[INFO] [stderr]  --> src/main.rs:6:14
[INFO] [stderr]   |
[INFO] [stderr] 6 | extern crate "rustc-serialize" as serialize;
[INFO] [stderr]   |              ^^^^^^^^^^^^^^^^^ expected identifier
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `cylonn`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "719517d3884efe0c5987a0a700a25f37769e413674e6c69150d9f71c517bf183"`
[INFO] running `"docker" "rm" "-f" "719517d3884efe0c5987a0a700a25f37769e413674e6c69150d9f71c517bf183"`
[INFO] [stdout] 719517d3884efe0c5987a0a700a25f37769e413674e6c69150d9f71c517bf183