[INFO] updating cached repository VoxWave/Introduction_to_AI_2018 [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/VoxWave/Introduction_to_AI_2018 [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/VoxWave/Introduction_to_AI_2018" "work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/VoxWave/Introduction_to_AI_2018"` [INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/VoxWave/Introduction_to_AI_2018'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/VoxWave/Introduction_to_AI_2018" "work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/VoxWave/Introduction_to_AI_2018"` [INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/VoxWave/Introduction_to_AI_2018'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] a338fcb647cc10682a5da4c02f19cb1a0da6749a [INFO] sha for GitHub repo VoxWave/Introduction_to_AI_2018: a338fcb647cc10682a5da4c02f19cb1a0da6749a [INFO] validating manifest of VoxWave/Introduction_to_AI_2018 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 VoxWave/Introduction_to_AI_2018 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 VoxWave/Introduction_to_AI_2018 [INFO] finished frobbing VoxWave/Introduction_to_AI_2018 [INFO] frobbed toml for VoxWave/Introduction_to_AI_2018 written to work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/VoxWave/Introduction_to_AI_2018/Cargo.toml [INFO] started frobbing VoxWave/Introduction_to_AI_2018 [INFO] finished frobbing VoxWave/Introduction_to_AI_2018 [INFO] frobbed toml for VoxWave/Introduction_to_AI_2018 written to work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/VoxWave/Introduction_to_AI_2018/Cargo.toml [INFO] crate VoxWave/Introduction_to_AI_2018 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 VoxWave/Introduction_to_AI_2018 against master#589beb979c0f1a9736e02e578913db88398c3ba5 for pr-60944 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60944/worker-4/master#589beb979c0f1a9736e02e578913db88398c3ba5:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/VoxWave/Introduction_to_AI_2018:/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] 12325a348fcf400a0cb38cfaeb255c6b92402a61aecceb8f8c92a49e32a7f4ae [INFO] running `"docker" "start" "-a" "12325a348fcf400a0cb38cfaeb255c6b92402a61aecceb8f8c92a49e32a7f4ae"` [INFO] [stderr] Compiling syn v0.15.3 [INFO] [stderr] Compiling serde_derive v1.0.78 [INFO] [stderr] Checking ai_kurssi v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::io` [INFO] [stderr] --> src/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::io; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io` [INFO] [stderr] --> src/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::io; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 14.99s [INFO] running `"docker" "inspect" "12325a348fcf400a0cb38cfaeb255c6b92402a61aecceb8f8c92a49e32a7f4ae"` [INFO] running `"docker" "rm" "-f" "12325a348fcf400a0cb38cfaeb255c6b92402a61aecceb8f8c92a49e32a7f4ae"` [INFO] [stdout] 12325a348fcf400a0cb38cfaeb255c6b92402a61aecceb8f8c92a49e32a7f4ae