[INFO] updating cached repository sirkibsirkib/zork
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sirkibsirkib/zork
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sirkibsirkib/zork" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/sirkibsirkib/zork"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/sirkibsirkib/zork'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sirkibsirkib/zork" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/sirkibsirkib/zork"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/sirkibsirkib/zork'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 46b51d031e607c350fc634426670f43e92542b50
[INFO] sha for GitHub repo sirkibsirkib/zork: 46b51d031e607c350fc634426670f43e92542b50
[INFO] validating manifest of sirkibsirkib/zork 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 sirkibsirkib/zork 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 sirkibsirkib/zork
[INFO] finished frobbing sirkibsirkib/zork
[INFO] frobbed toml for sirkibsirkib/zork written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/sirkibsirkib/zork/Cargo.toml
[INFO] started frobbing sirkibsirkib/zork
[INFO] finished frobbing sirkibsirkib/zork
[INFO] frobbed toml for sirkibsirkib/zork written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/sirkibsirkib/zork/Cargo.toml
[INFO] crate sirkibsirkib/zork 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 sirkibsirkib/zork against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-3/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/sirkibsirkib/zork:/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] 18de140ae6602358b4a2bf346bb9346ce09a6ad61e581573c16759ff840b9079
[INFO] running `"docker" "start" "-a" "18de140ae6602358b4a2bf346bb9346ce09a6ad61e581573c16759ff840b9079"`
[INFO] [stderr]    Compiling derive-new v0.5.6
[INFO] [stderr]     Checking zork v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: struct is never constructed: `Person`
[INFO] [stderr]    --> src/main.rs:188:1
[INFO] [stderr]     |
[INFO] [stderr] 188 | struct Person {
[INFO] [stderr]     | ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Person`
[INFO] [stderr]    --> src/main.rs:188:1
[INFO] [stderr]     |
[INFO] [stderr] 188 | struct Person {
[INFO] [stderr]     | ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.41s
[INFO] running `"docker" "inspect" "18de140ae6602358b4a2bf346bb9346ce09a6ad61e581573c16759ff840b9079"`
[INFO] running `"docker" "rm" "-f" "18de140ae6602358b4a2bf346bb9346ce09a6ad61e581573c16759ff840b9079"`
[INFO] [stdout] 18de140ae6602358b4a2bf346bb9346ce09a6ad61e581573c16759ff840b9079