[INFO] updating cached repository nanoxd/hello.rs [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/nanoxd/hello.rs [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/nanoxd/hello.rs" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/nanoxd/hello.rs"` [INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/nanoxd/hello.rs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/nanoxd/hello.rs" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/nanoxd/hello.rs"` [INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/nanoxd/hello.rs'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 10933bdc16d5a900dcda3ec62264cea34973908a [INFO] sha for GitHub repo nanoxd/hello.rs: 10933bdc16d5a900dcda3ec62264cea34973908a [INFO] validating manifest of nanoxd/hello.rs on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of nanoxd/hello.rs on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing nanoxd/hello.rs [INFO] finished frobbing nanoxd/hello.rs [INFO] frobbed toml for nanoxd/hello.rs written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/nanoxd/hello.rs/Cargo.toml [INFO] started frobbing nanoxd/hello.rs [INFO] finished frobbing nanoxd/hello.rs [INFO] frobbed toml for nanoxd/hello.rs written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/nanoxd/hello.rs/Cargo.toml [INFO] crate nanoxd/hello.rs already has a lockfile, it will not be regenerated [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking nanoxd/hello.rs against master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 for pr-59199 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-6/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/nanoxd/hello.rs:/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" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] d086603af637dcab7cbebded4ae4d4c0c9c5ecb3305b67cf91812765c086a3d0 [INFO] running `"docker" "start" "-a" "d086603af637dcab7cbebded4ae4d4c0c9c5ecb3305b67cf91812765c086a3d0"` [INFO] [stderr] Checking hello_rs v0.0.1 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `v2` [INFO] [stderr] --> src/main.rs:99:9 [INFO] [stderr] | [INFO] [stderr] 99 | let v2 = v; // Accessing v will now cause an error [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_v2` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v2` [INFO] [stderr] --> src/main.rs:99:9 [INFO] [stderr] | [INFO] [stderr] 99 | let v2 = v; // Accessing v will now cause an error [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_v2` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Wolf` [INFO] [stderr] --> src/trait_objects.rs:11:1 [INFO] [stderr] | [INFO] [stderr] 11 | pub struct Wolf { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `x` [INFO] [stderr] --> src/main.rs:183:5 [INFO] [stderr] | [INFO] [stderr] 183 | x: T, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `y` [INFO] [stderr] --> src/main.rs:184:5 [INFO] [stderr] | [INFO] [stderr] 184 | y: T, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Wolf` [INFO] [stderr] --> src/trait_objects.rs:11:1 [INFO] [stderr] | [INFO] [stderr] 11 | pub struct Wolf { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `x` [INFO] [stderr] --> src/main.rs:183:5 [INFO] [stderr] | [INFO] [stderr] 183 | x: T, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `y` [INFO] [stderr] --> src/main.rs:184:5 [INFO] [stderr] | [INFO] [stderr] 184 | y: T, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.47s [INFO] running `"docker" "inspect" "d086603af637dcab7cbebded4ae4d4c0c9c5ecb3305b67cf91812765c086a3d0"` [INFO] running `"docker" "rm" "-f" "d086603af637dcab7cbebded4ae4d4c0c9c5ecb3305b67cf91812765c086a3d0"` [INFO] [stdout] d086603af637dcab7cbebded4ae4d4c0c9c5ecb3305b67cf91812765c086a3d0