[INFO] updating cached repository CollinValley/rust_practice [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/CollinValley/rust_practice [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/CollinValley/rust_practice" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/CollinValley/rust_practice"` [INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/CollinValley/rust_practice'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/CollinValley/rust_practice" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/CollinValley/rust_practice"` [INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/CollinValley/rust_practice'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] f43ee9bf1397a7e46b78a5a03bc6811988dfc58f [INFO] sha for GitHub repo CollinValley/rust_practice: f43ee9bf1397a7e46b78a5a03bc6811988dfc58f [INFO] validating manifest of CollinValley/rust_practice on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of CollinValley/rust_practice on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing CollinValley/rust_practice [INFO] finished frobbing CollinValley/rust_practice [INFO] frobbed toml for CollinValley/rust_practice written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/CollinValley/rust_practice/Cargo.toml [INFO] started frobbing CollinValley/rust_practice [INFO] finished frobbing CollinValley/rust_practice [INFO] frobbed toml for CollinValley/rust_practice written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/CollinValley/rust_practice/Cargo.toml [INFO] crate CollinValley/rust_practice already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking CollinValley/rust_practice against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-3/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/CollinValley/rust_practice:/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 339b398b2195c786d9bafdce70b0378f0eca7f0c00148539e04c567c9008ba54 [INFO] running `"docker" "start" "-a" "339b398b2195c786d9bafdce70b0378f0eca7f0c00148539e04c567c9008ba54"` [INFO] [stderr] Checking num-bigint v0.2.1 [INFO] [stderr] Checking num-rational v0.2.1 [INFO] [stderr] Checking num v0.2.0 [INFO] [stderr] Checking rust_practice v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/chapter_11.rs:6:24 [INFO] [stderr] | [INFO] [stderr] 6 | fn say_hello(out: &mut Write) -> std::io::Result<()> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'core::str::::trim_right_matches': superseded by `trim_end_matches` [INFO] [stderr] --> src/chapter_10.rs:84:23 [INFO] [stderr] | [INFO] [stderr] 84 | self.plural().trim_right_matches('s') [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(deprecated)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/chapter_11.rs:6:24 [INFO] [stderr] | [INFO] [stderr] 6 | fn say_hello(out: &mut Write) -> std::io::Result<()> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'core::str::::trim_right_matches': superseded by `trim_end_matches` [INFO] [stderr] --> src/chapter_10.rs:84:23 [INFO] [stderr] | [INFO] [stderr] 84 | self.plural().trim_right_matches('s') [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(deprecated)] on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Extrema` [INFO] [stderr] --> src/chapter_9.rs:157:1 [INFO] [stderr] | [INFO] [stderr] 157 | struct Extrema<'elt> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `find_extrema` [INFO] [stderr] --> src/chapter_9.rs:162:1 [INFO] [stderr] | [INFO] [stderr] 162 | fn find_extrema<'s>(slice: &'s [i32]) -> Extrema<'s> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `say_hello` [INFO] [stderr] --> src/chapter_11.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | fn say_hello(out: &mut Write) -> std::io::Result<()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `min` [INFO] [stderr] --> src/chapter_11.rs:32:1 [INFO] [stderr] | [INFO] [stderr] 32 | fn min(value1: T, value2: T) -> T { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `dot` [INFO] [stderr] --> src/chapter_11.rs:199:1 [INFO] [stderr] | [INFO] [stderr] 199 | / fn dot(v1: &[N], v2: &[N]) -> N [INFO] [stderr] 200 | | where N: Add + Mul + Default + Copy [INFO] [stderr] 201 | | { [INFO] [stderr] 202 | | let mut total = N::default(); //All numerical types default will equal 0 [INFO] [stderr] ... | [INFO] [stderr] 206 | | total [INFO] [stderr] 207 | | } [INFO] [stderr] | |_^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.32s [INFO] running `"docker" "inspect" "339b398b2195c786d9bafdce70b0378f0eca7f0c00148539e04c567c9008ba54"` [INFO] running `"docker" "rm" "-f" "339b398b2195c786d9bafdce70b0378f0eca7f0c00148539e04c567c9008ba54"` [INFO] [stdout] 339b398b2195c786d9bafdce70b0378f0eca7f0c00148539e04c567c9008ba54