[INFO] updating cached repository otaviopace/linked-lists [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/otaviopace/linked-lists [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/otaviopace/linked-lists" "work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/otaviopace/linked-lists"` [INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/otaviopace/linked-lists'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/otaviopace/linked-lists" "work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/otaviopace/linked-lists"` [INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/otaviopace/linked-lists'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 97f9a022bd74c0592584a8f4a717d494f762c794 [INFO] sha for GitHub repo otaviopace/linked-lists: 97f9a022bd74c0592584a8f4a717d494f762c794 [INFO] validating manifest of otaviopace/linked-lists on toolchain master#a850a426491e14186af2250549bf41256b5938d2 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of otaviopace/linked-lists on toolchain try#06a150c7d11500b41499224f165e9de1de096768 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing otaviopace/linked-lists [INFO] finished frobbing otaviopace/linked-lists [INFO] frobbed toml for otaviopace/linked-lists written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/otaviopace/linked-lists/Cargo.toml [INFO] started frobbing otaviopace/linked-lists [INFO] finished frobbing otaviopace/linked-lists [INFO] frobbed toml for otaviopace/linked-lists written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/otaviopace/linked-lists/Cargo.toml [INFO] crate otaviopace/linked-lists already has a lockfile, it will not be regenerated [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking otaviopace/linked-lists against master#a850a426491e14186af2250549bf41256b5938d2 for pr-60162 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-3/master#a850a426491e14186af2250549bf41256b5938d2:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/otaviopace/linked-lists:/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" "+a850a426491e14186af2250549bf41256b5938d2-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 5416148d755f5308ca0f61cce1d93a4dc83881125436583bd09d409b806387e3 [INFO] running `"docker" "start" "-a" "5416148d755f5308ca0f61cce1d93a4dc83881125436583bd09d409b806387e3"` [INFO] [stderr] Checking linked-lists v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: method is never used: `iter` [INFO] [stderr] --> src/third.rs:44:5 [INFO] [stderr] | [INFO] [stderr] 44 | fn iter<'a>(&'a self) -> Iter<'a, T> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.85s [INFO] running `"docker" "inspect" "5416148d755f5308ca0f61cce1d93a4dc83881125436583bd09d409b806387e3"` [INFO] running `"docker" "rm" "-f" "5416148d755f5308ca0f61cce1d93a4dc83881125436583bd09d409b806387e3"` [INFO] [stdout] 5416148d755f5308ca0f61cce1d93a4dc83881125436583bd09d409b806387e3