Dec 19 07:36:01.041 INFO checking tamanishi/blockchain_tutorial against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 07:36:01.041 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/tamanishi/blockchain_tutorial:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 07:36:01.466 INFO [stdout] ab78db6283da72ab40226f815a47f2d3c5a9fc350bba5125439a8cc889701bd8
Dec 19 07:36:01.468 INFO running `"docker" "start" "-a" "ab78db6283da72ab40226f815a47f2d3c5a9fc350bba5125439a8cc889701bd8"`
Dec 19 07:36:03.336 INFO [stderr]     Checking serde v1.0.30
Dec 19 07:36:03.336 INFO [stderr]     Checking num-traits v0.2.1
Dec 19 07:36:03.339 INFO [stderr]     Checking rand v0.3.22
Dec 19 07:36:03.348 INFO [stderr]    Compiling serde_derive_internals v0.20.0
Dec 19 07:36:03.770 INFO [stderr]     Checking rust-crypto v0.2.36
Dec 19 07:36:08.560 INFO [stderr]    Compiling serde_derive v1.0.30
Dec 19 07:36:19.372 INFO [stderr]     Checking serde_json v1.0.11
Dec 19 07:36:21.056 INFO [stderr]     Checking blockchain_tutorial v0.1.0 (/opt/crater/workdir)
Dec 19 07:36:21.300 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 07:36:21.300 INFO [stderr]  --> src/main.rs:1:1
Dec 19 07:36:21.300 INFO [stderr]   |
Dec 19 07:36:21.300 INFO [stderr] 1 | #[macro_use]
Dec 19 07:36:21.300 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 07:36:21.300 INFO [stderr]   |
Dec 19 07:36:21.301 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 07:36:21.301 INFO [stderr] 
Dec 19 07:36:21.576 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 07:36:21.576 INFO [stderr]  --> src/main.rs:1:1
Dec 19 07:36:21.576 INFO [stderr]   |
Dec 19 07:36:21.576 INFO [stderr] 1 | #[macro_use]
Dec 19 07:36:21.576 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 07:36:21.576 INFO [stderr]   |
Dec 19 07:36:21.576 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 07:36:21.576 INFO [stderr] 
Dec 19 07:36:21.884 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.67s
Dec 19 07:36:22.447 INFO running `"docker" "inspect" "ab78db6283da72ab40226f815a47f2d3c5a9fc350bba5125439a8cc889701bd8"`
Dec 19 07:36:22.718 INFO running `"docker" "rm" "-f" "ab78db6283da72ab40226f815a47f2d3c5a9fc350bba5125439a8cc889701bd8"`
Dec 19 07:36:23.048 INFO [stdout] ab78db6283da72ab40226f815a47f2d3c5a9fc350bba5125439a8cc889701bd8