[INFO] updating cached repository durka/karaconv
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/durka/karaconv
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/durka/karaconv" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/durka/karaconv"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/durka/karaconv'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/durka/karaconv" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/durka/karaconv"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/durka/karaconv'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6ecf007615afae1effa1dc506bf9797d4005687d
[INFO] sha for GitHub repo durka/karaconv: 6ecf007615afae1effa1dc506bf9797d4005687d
[INFO] validating manifest of durka/karaconv on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of durka/karaconv on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing durka/karaconv
[INFO] finished frobbing durka/karaconv
[INFO] frobbed toml for durka/karaconv written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/durka/karaconv/Cargo.toml
[INFO] started frobbing durka/karaconv
[INFO] finished frobbing durka/karaconv
[INFO] frobbed toml for durka/karaconv written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/durka/karaconv/Cargo.toml
[INFO] crate durka/karaconv already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking durka/karaconv against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-1/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/durka/karaconv:/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4cf9153e64cff05fdd0c31cc2fcb8fa61340a4690d75874b65b08c5f8442dde7
[INFO] running `"docker" "start" "-a" "4cf9153e64cff05fdd0c31cc2fcb8fa61340a4690d75874b65b08c5f8442dde7"`
[INFO] [stderr]    Compiling regex v0.2.9
[INFO] [stderr]    Compiling karaconv v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Checking result v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.5.2
[INFO] [stderr]     Checking xml-rs v0.3.6
[INFO] [stderr]     Checking itertools v0.7.7
[INFO] [stderr]    Compiling structopt-derive v0.2.5
[INFO] [stderr]     Checking remove_dir_all v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.30
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking tempdir v0.3.6
[INFO] [stderr]     Checking structopt v0.2.5
[INFO] [stderr]     Checking serde v1.0.30
[INFO] [stderr]     Checking serde-xml-rs v0.2.1
[INFO] [stderr]     Checking serde_json v1.0.11
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[macro_use] extern crate structopt;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[macro_use] extern crate structopt;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.49s
[INFO] running `"docker" "inspect" "4cf9153e64cff05fdd0c31cc2fcb8fa61340a4690d75874b65b08c5f8442dde7"`
[INFO] running `"docker" "rm" "-f" "4cf9153e64cff05fdd0c31cc2fcb8fa61340a4690d75874b65b08c5f8442dde7"`
[INFO] [stdout] 4cf9153e64cff05fdd0c31cc2fcb8fa61340a4690d75874b65b08c5f8442dde7