[INFO] updating cached repository laynemcnish/rust_workshop
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/laynemcnish/rust_workshop
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/laynemcnish/rust_workshop" "work/ex/pr-60444/sources/master#92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf/gh/laynemcnish/rust_workshop"`
[INFO] [stderr] Cloning into 'work/ex/pr-60444/sources/master#92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf/gh/laynemcnish/rust_workshop'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/laynemcnish/rust_workshop" "work/ex/pr-60444/sources/try#cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b/gh/laynemcnish/rust_workshop"`
[INFO] [stderr] Cloning into 'work/ex/pr-60444/sources/try#cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b/gh/laynemcnish/rust_workshop'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f68c820926ddd6cdcf70279f2e90fb64f51c2c6c
[INFO] sha for GitHub repo laynemcnish/rust_workshop: f68c820926ddd6cdcf70279f2e90fb64f51c2c6c
[INFO] validating manifest of laynemcnish/rust_workshop on toolchain master#92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of laynemcnish/rust_workshop on toolchain try#cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing laynemcnish/rust_workshop
[INFO] finished frobbing laynemcnish/rust_workshop
[INFO] frobbed toml for laynemcnish/rust_workshop written to work/ex/pr-60444/sources/master#92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf/gh/laynemcnish/rust_workshop/Cargo.toml
[INFO] started frobbing laynemcnish/rust_workshop
[INFO] finished frobbing laynemcnish/rust_workshop
[INFO] frobbed toml for laynemcnish/rust_workshop written to work/ex/pr-60444/sources/try#cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b/gh/laynemcnish/rust_workshop/Cargo.toml
[INFO] crate laynemcnish/rust_workshop already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-60444/sources/master#92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf/gh/laynemcnish/rust_workshop/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking laynemcnish/rust_workshop against master#92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf for pr-60444
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60444/worker-0/master#92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60444/sources/master#92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf/gh/laynemcnish/rust_workshop:/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" "+92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2b3aef9e60f6a98f91fdeba09bcdeaa6c4dca9ecaf54e51aba3cfa09aee87d3a
[INFO] running `"docker" "start" "-a" "2b3aef9e60f6a98f91fdeba09bcdeaa6c4dca9ecaf54e51aba3cfa09aee87d3a"`
[INFO] [stderr]     Checking my_wc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "2b3aef9e60f6a98f91fdeba09bcdeaa6c4dca9ecaf54e51aba3cfa09aee87d3a"`
[INFO] running `"docker" "rm" "-f" "2b3aef9e60f6a98f91fdeba09bcdeaa6c4dca9ecaf54e51aba3cfa09aee87d3a"`
[INFO] [stdout] 2b3aef9e60f6a98f91fdeba09bcdeaa6c4dca9ecaf54e51aba3cfa09aee87d3a