[INFO] updating cached repository gregtatum/rust-sketches [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/gregtatum/rust-sketches [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/gregtatum/rust-sketches" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/gregtatum/rust-sketches"` [INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/gregtatum/rust-sketches'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/gregtatum/rust-sketches" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/gregtatum/rust-sketches"` [INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/gregtatum/rust-sketches'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] d72efc73822d9837cb7856e6dfae8b85bcaec8bd [INFO] sha for GitHub repo gregtatum/rust-sketches: d72efc73822d9837cb7856e6dfae8b85bcaec8bd [INFO] validating manifest of gregtatum/rust-sketches on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of gregtatum/rust-sketches on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing gregtatum/rust-sketches [INFO] finished frobbing gregtatum/rust-sketches [INFO] frobbed toml for gregtatum/rust-sketches written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/gregtatum/rust-sketches/Cargo.toml [INFO] started frobbing gregtatum/rust-sketches [INFO] finished frobbing gregtatum/rust-sketches [INFO] frobbed toml for gregtatum/rust-sketches written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/gregtatum/rust-sketches/Cargo.toml [INFO] crate gregtatum/rust-sketches already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking gregtatum/rust-sketches against try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab for pr-63247 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-7/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/gregtatum/rust-sketches:/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" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 57f21705813b50619cb0531506ed2acec3afd3cc617c449a8fb16846adc1d54f [INFO] running `"docker" "start" "-a" "57f21705813b50619cb0531506ed2acec3afd3cc617c449a8fb16846adc1d54f"` [INFO] [stderr] Checking rust-memory v0.1.0 (/opt/crater/workdir) [INFO] [stderr] error[E0601]: `main` function not found in crate `generic_traits` [INFO] [stderr] | [INFO] [stderr] = note: consider adding a `main` function to `examples/generic-traits.rs` [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0601`. [INFO] [stderr] error: Could not compile `rust-memory`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> examples/vec-closure.rs:12:24 [INFO] [stderr] | [INFO] [stderr] 12 | let mut v: Vec Box>> = Vec::new(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> Box` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> examples/vec-closure.rs:12:36 [INFO] [stderr] | [INFO] [stderr] 12 | let mut v: Vec Box>> = Vec::new(); [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn UniformValue` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> examples/match-ownership.rs:4:9 [INFO] [stderr] | [INFO] [stderr] 4 | let mut x = &Struct { value: 5 }; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `vecs2` [INFO] [stderr] --> examples/transmute-vecs.rs:37:9 [INFO] [stderr] | [INFO] [stderr] 37 | let vecs2 = vec![[0.0, 0.0], [1.0, 1.0]]; [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_vecs2` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> examples/iterators.rs:7:11 [INFO] [stderr] | [INFO] [stderr] 7 | vec = vec as Vec; [INFO] [stderr] | ^^^^^^^^^^^^^^^ expected array of 3 elements, found f32 [INFO] [stderr] | [INFO] [stderr] = note: expected type `std::vec::Vec<[f32; 3]>` [INFO] [stderr] found type `std::vec::Vec` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `transmute` [INFO] [stderr] --> examples/transmute-vecs.rs:31:1 [INFO] [stderr] | [INFO] [stderr] 31 | fn transmute() { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] error[E0605]: non-primitive cast: `std::vec::Vec<[f32; 3]>` as `std::vec::Vec` [INFO] [stderr] --> examples/iterators.rs:7:11 [INFO] [stderr] | [INFO] [stderr] 7 | vec = vec as Vec; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: an `as` expression can only be used to convert between primitive types. Consider using the `From` trait [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0308, E0605. [INFO] [stderr] For more information about an error, try `rustc --explain E0308`. [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> examples/transmute-vecs.rs:11:17 [INFO] [stderr] | [INFO] [stderr] 11 | fmtr.write_fmt(format_args!("| ")); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] error: Could not compile `rust-memory`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "57f21705813b50619cb0531506ed2acec3afd3cc617c449a8fb16846adc1d54f"` [INFO] running `"docker" "rm" "-f" "57f21705813b50619cb0531506ed2acec3afd3cc617c449a8fb16846adc1d54f"` [INFO] [stdout] 57f21705813b50619cb0531506ed2acec3afd3cc617c449a8fb16846adc1d54f