Dec 11 08:15:22.037 INFO checking tamanishi/blockchain_tutorial against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 08:15:22.038 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 11 08:15:22.548 INFO [stdout] 447b83b6774e76d8b6053fa07aef49f0d52793bf1d8038fb4c1420ce733b737d
Dec 11 08:15:22.556 INFO running `"docker" "start" "-a" "447b83b6774e76d8b6053fa07aef49f0d52793bf1d8038fb4c1420ce733b737d"`
Dec 11 08:15:23.843 INFO [stderr] usermod: no changes
Dec 11 08:15:24.028 INFO [stderr]     Checking num-traits v0.2.1
Dec 11 08:15:24.028 INFO [stderr]     Checking serde v1.0.30
Dec 11 08:15:24.028 INFO [stderr]     Checking time v0.1.39
Dec 11 08:15:24.032 INFO [stderr]    Compiling serde_derive v1.0.30
Dec 11 08:15:26.272 INFO [stderr]     Checking rust-crypto v0.2.36
Dec 11 08:15:39.217 INFO [stderr]     Checking serde_json v1.0.11
Dec 11 08:15:41.199 INFO [stderr]     Checking blockchain_tutorial v0.1.0 (/source)
Dec 11 08:15:41.808 INFO [stderr] warning: unused `#[macro_use]` import
Dec 11 08:15:41.808 INFO [stderr]  --> src/main.rs:1:1
Dec 11 08:15:41.808 INFO [stderr]   |
Dec 11 08:15:41.808 INFO [stderr] 1 | #[macro_use]
Dec 11 08:15:41.808 INFO [stderr]   | ^^^^^^^^^^^^
Dec 11 08:15:41.808 INFO [stderr]   |
Dec 11 08:15:41.808 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 08:15:41.808 INFO [stderr] 
Dec 11 08:15:41.816 INFO [stderr] warning: unused `#[macro_use]` import
Dec 11 08:15:41.816 INFO [stderr]  --> src/main.rs:1:1
Dec 11 08:15:41.816 INFO [stderr]   |
Dec 11 08:15:41.816 INFO [stderr] 1 | #[macro_use]
Dec 11 08:15:41.816 INFO [stderr]   | ^^^^^^^^^^^^
Dec 11 08:15:41.832 INFO [stderr]   |
Dec 11 08:15:41.832 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 08:15:41.832 INFO [stderr] 
Dec 11 08:15:42.237 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.36s
Dec 11 08:15:42.248 INFO [stderr] su: No module specific data is present
Dec 11 08:15:43.423 INFO running `"docker" "inspect" "447b83b6774e76d8b6053fa07aef49f0d52793bf1d8038fb4c1420ce733b737d"`
Dec 11 08:15:43.708 INFO running `"docker" "rm" "-f" "447b83b6774e76d8b6053fa07aef49f0d52793bf1d8038fb4c1420ce733b737d"`
Dec 11 08:15:44.152 INFO [stdout] 447b83b6774e76d8b6053fa07aef49f0d52793bf1d8038fb4c1420ce733b737d