[INFO] updating cached repository taskie/rust-memo [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/taskie/rust-memo [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/taskie/rust-memo" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/taskie/rust-memo"` [INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/taskie/rust-memo'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/taskie/rust-memo" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/taskie/rust-memo"` [INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/taskie/rust-memo'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 389718524416253649e58ce9b1a285f3b405275d [INFO] sha for GitHub repo taskie/rust-memo: 389718524416253649e58ce9b1a285f3b405275d [INFO] validating manifest of taskie/rust-memo on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of taskie/rust-memo on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing taskie/rust-memo [INFO] finished frobbing taskie/rust-memo [INFO] frobbed toml for taskie/rust-memo written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/taskie/rust-memo/Cargo.toml [INFO] started frobbing taskie/rust-memo [INFO] finished frobbing taskie/rust-memo [INFO] frobbed toml for taskie/rust-memo written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/taskie/rust-memo/Cargo.toml [INFO] crate taskie/rust-memo already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking taskie/rust-memo against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-4/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/taskie/rust-memo:/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 2187b1a08d66f76d06633d6f8f0622b84bae8ce8c8185fd11754ae78ac667775 [INFO] running `"docker" "start" "-a" "2187b1a08d66f76d06633d6f8f0622b84bae8ce8c8185fd11754ae78ac667775"` [INFO] [stderr] Checking memo v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: struct is never constructed: `S2_1` [INFO] [stderr] --> src/memo1.rs:5:1 [INFO] [stderr] | [INFO] [stderr] 5 | struct S2_1 { s1: Option } [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `S2_2` [INFO] [stderr] --> src/memo1.rs:8:1 [INFO] [stderr] | [INFO] [stderr] 8 | struct S2_2<'a> { s1: Option<&'a S1> } [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `f1` [INFO] [stderr] --> src/memo1.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | fn f1(&self) -> S1 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `f1` [INFO] [stderr] --> src/memo1.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | fn f1(&self) -> &S1 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.24s [INFO] running `"docker" "inspect" "2187b1a08d66f76d06633d6f8f0622b84bae8ce8c8185fd11754ae78ac667775"` [INFO] running `"docker" "rm" "-f" "2187b1a08d66f76d06633d6f8f0622b84bae8ce8c8185fd11754ae78ac667775"` [INFO] [stdout] 2187b1a08d66f76d06633d6f8f0622b84bae8ce8c8185fd11754ae78ac667775