[INFO] updating cached repository Knium/trpl-exercise-chap8 [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/Knium/trpl-exercise-chap8 [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/Knium/trpl-exercise-chap8" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/Knium/trpl-exercise-chap8"` [INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/Knium/trpl-exercise-chap8'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Knium/trpl-exercise-chap8" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/Knium/trpl-exercise-chap8"` [INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/Knium/trpl-exercise-chap8'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 51ba570a09a7e0c4d7cda9296c36ec5b9545c78b [INFO] sha for GitHub repo Knium/trpl-exercise-chap8: 51ba570a09a7e0c4d7cda9296c36ec5b9545c78b [INFO] validating manifest of Knium/trpl-exercise-chap8 on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of Knium/trpl-exercise-chap8 on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing Knium/trpl-exercise-chap8 [INFO] finished frobbing Knium/trpl-exercise-chap8 [INFO] frobbed toml for Knium/trpl-exercise-chap8 written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/Knium/trpl-exercise-chap8/Cargo.toml [INFO] started frobbing Knium/trpl-exercise-chap8 [INFO] finished frobbing Knium/trpl-exercise-chap8 [INFO] frobbed toml for Knium/trpl-exercise-chap8 written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/Knium/trpl-exercise-chap8/Cargo.toml [INFO] crate Knium/trpl-exercise-chap8 already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking Knium/trpl-exercise-chap8 against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-1/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/Knium/trpl-exercise-chap8:/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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 5337fd0d2c281fd3f83cbba6ed41f6bae266d98673067780c83b722f3ee94c4c [INFO] running `"docker" "start" "-a" "5337fd0d2c281fd3f83cbba6ed41f6bae266d98673067780c83b722f3ee94c4c"` [INFO] [stderr] Checking trpl-exercise-chap8 v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.09s [INFO] running `"docker" "inspect" "5337fd0d2c281fd3f83cbba6ed41f6bae266d98673067780c83b722f3ee94c4c"` [INFO] running `"docker" "rm" "-f" "5337fd0d2c281fd3f83cbba6ed41f6bae266d98673067780c83b722f3ee94c4c"` [INFO] [stdout] 5337fd0d2c281fd3f83cbba6ed41f6bae266d98673067780c83b722f3ee94c4c