[INFO] updating cached repository cocomoff/open-data-structure-rust-basic
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cocomoff/open-data-structure-rust-basic
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cocomoff/open-data-structure-rust-basic" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/cocomoff/open-data-structure-rust-basic"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/cocomoff/open-data-structure-rust-basic'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cocomoff/open-data-structure-rust-basic" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/cocomoff/open-data-structure-rust-basic"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/cocomoff/open-data-structure-rust-basic'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 047e43c947706f0666b1e0732609a3a4d1854e5c
[INFO] sha for GitHub repo cocomoff/open-data-structure-rust-basic: 047e43c947706f0666b1e0732609a3a4d1854e5c
[INFO] validating manifest of cocomoff/open-data-structure-rust-basic on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cocomoff/open-data-structure-rust-basic on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cocomoff/open-data-structure-rust-basic
[INFO] finished frobbing cocomoff/open-data-structure-rust-basic
[INFO] frobbed toml for cocomoff/open-data-structure-rust-basic written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/cocomoff/open-data-structure-rust-basic/Cargo.toml
[INFO] started frobbing cocomoff/open-data-structure-rust-basic
[INFO] finished frobbing cocomoff/open-data-structure-rust-basic
[INFO] frobbed toml for cocomoff/open-data-structure-rust-basic written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/cocomoff/open-data-structure-rust-basic/Cargo.toml
[INFO] crate cocomoff/open-data-structure-rust-basic already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking cocomoff/open-data-structure-rust-basic against master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-7/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/cocomoff/open-data-structure-rust-basic:/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" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 64f98675d1c2ae95d90cdda1f40d50852845209e8dcb57c5287d07acba2e1a5d
[INFO] running `"docker" "start" "-a" "64f98675d1c2ae95d90cdda1f40d50852845209e8dcb57c5287d07acba2e1a5d"`
[INFO] [stderr]     Checking IntroDS v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `IntroDS` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `intro_ds`
[INFO] [stderr] 
[INFO] [stderr] warning: crate `IntroDS` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `intro_ds`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `"docker" "inspect" "64f98675d1c2ae95d90cdda1f40d50852845209e8dcb57c5287d07acba2e1a5d"`
[INFO] running `"docker" "rm" "-f" "64f98675d1c2ae95d90cdda1f40d50852845209e8dcb57c5287d07acba2e1a5d"`
[INFO] [stdout] 64f98675d1c2ae95d90cdda1f40d50852845209e8dcb57c5287d07acba2e1a5d