[INFO] updating cached repository jotingen/rust-sudokusolver [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/jotingen/rust-sudokusolver [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/jotingen/rust-sudokusolver" "work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/jotingen/rust-sudokusolver"` [INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/jotingen/rust-sudokusolver'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/jotingen/rust-sudokusolver" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/jotingen/rust-sudokusolver"` [INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/jotingen/rust-sudokusolver'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 5655b077a8c3cc64745ed0aa130370f5dfcf9c9e [INFO] sha for GitHub repo jotingen/rust-sudokusolver: 5655b077a8c3cc64745ed0aa130370f5dfcf9c9e [INFO] validating manifest of jotingen/rust-sudokusolver on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of jotingen/rust-sudokusolver on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing jotingen/rust-sudokusolver [INFO] finished frobbing jotingen/rust-sudokusolver [INFO] frobbed toml for jotingen/rust-sudokusolver written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/jotingen/rust-sudokusolver/Cargo.toml [INFO] started frobbing jotingen/rust-sudokusolver [INFO] finished frobbing jotingen/rust-sudokusolver [INFO] frobbed toml for jotingen/rust-sudokusolver written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/jotingen/rust-sudokusolver/Cargo.toml [INFO] crate jotingen/rust-sudokusolver already has a lockfile, it will not be regenerated [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] checking jotingen/rust-sudokusolver against master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504 for pr-61100 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-6/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/jotingen/rust-sudokusolver:/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" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] f7199886cc76c33fc878ff60840053c9f52e0fb13c6ad68a77696a0b0d025a5d [INFO] running `"docker" "start" "-a" "f7199886cc76c33fc878ff60840053c9f52e0fb13c6ad68a77696a0b0d025a5d"` [INFO] [stderr] Checking rust-sudokusolver v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.48s [INFO] running `"docker" "inspect" "f7199886cc76c33fc878ff60840053c9f52e0fb13c6ad68a77696a0b0d025a5d"` [INFO] running `"docker" "rm" "-f" "f7199886cc76c33fc878ff60840053c9f52e0fb13c6ad68a77696a0b0d025a5d"` [INFO] [stdout] f7199886cc76c33fc878ff60840053c9f52e0fb13c6ad68a77696a0b0d025a5d