[INFO] updating cached repository huwsun/rust_study
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/huwsun/rust_study
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/huwsun/rust_study" "work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/huwsun/rust_study"`
[INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/huwsun/rust_study'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/huwsun/rust_study" "work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/huwsun/rust_study"`
[INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/huwsun/rust_study'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 288f85839fcb1cf856070f3da28d1d6cdc22771f
[INFO] sha for GitHub repo huwsun/rust_study: 288f85839fcb1cf856070f3da28d1d6cdc22771f
[INFO] validating manifest of huwsun/rust_study on toolchain master#589beb979c0f1a9736e02e578913db88398c3ba5
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of huwsun/rust_study on toolchain try#42445ded8fd34235a676755cb5d079658ed51f6a
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing huwsun/rust_study
[INFO] finished frobbing huwsun/rust_study
[INFO] frobbed toml for huwsun/rust_study written to work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/huwsun/rust_study/Cargo.toml
[INFO] started frobbing huwsun/rust_study
[INFO] finished frobbing huwsun/rust_study
[INFO] frobbed toml for huwsun/rust_study written to work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/huwsun/rust_study/Cargo.toml
[INFO] crate huwsun/rust_study already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking huwsun/rust_study against master#589beb979c0f1a9736e02e578913db88398c3ba5 for pr-60944
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60944/worker-7/master#589beb979c0f1a9736e02e578913db88398c3ba5:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/huwsun/rust_study:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3ee1a9e287f7c95ce0bf8f8cfbccb6e3600235a10fb8eae7d354802b0dc4c87a
[INFO] running `"docker" "start" "-a" "3ee1a9e287f7c95ce0bf8f8cfbccb6e3600235a10fb8eae7d354802b0dc4c87a"`
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking study v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.81s
[INFO] running `"docker" "inspect" "3ee1a9e287f7c95ce0bf8f8cfbccb6e3600235a10fb8eae7d354802b0dc4c87a"`
[INFO] running `"docker" "rm" "-f" "3ee1a9e287f7c95ce0bf8f8cfbccb6e3600235a10fb8eae7d354802b0dc4c87a"`
[INFO] [stdout] 3ee1a9e287f7c95ce0bf8f8cfbccb6e3600235a10fb8eae7d354802b0dc4c87a