[INFO] updating cached repository AuroransSolis/fractions_and_matrices [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/AuroransSolis/fractions_and_matrices [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/AuroransSolis/fractions_and_matrices" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/AuroransSolis/fractions_and_matrices"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/AuroransSolis/fractions_and_matrices'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/AuroransSolis/fractions_and_matrices" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/AuroransSolis/fractions_and_matrices"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/AuroransSolis/fractions_and_matrices'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 1c9dc186e532e4fe050bd19d9dfdadb6e3931d69 [INFO] sha for GitHub repo AuroransSolis/fractions_and_matrices: 1c9dc186e532e4fe050bd19d9dfdadb6e3931d69 [INFO] validating manifest of AuroransSolis/fractions_and_matrices on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of AuroransSolis/fractions_and_matrices on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing AuroransSolis/fractions_and_matrices [INFO] finished frobbing AuroransSolis/fractions_and_matrices [INFO] frobbed toml for AuroransSolis/fractions_and_matrices written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/AuroransSolis/fractions_and_matrices/Cargo.toml [INFO] started frobbing AuroransSolis/fractions_and_matrices [INFO] finished frobbing AuroransSolis/fractions_and_matrices [INFO] frobbed toml for AuroransSolis/fractions_and_matrices written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/AuroransSolis/fractions_and_matrices/Cargo.toml [INFO] crate AuroransSolis/fractions_and_matrices already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking AuroransSolis/fractions_and_matrices against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-5/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/AuroransSolis/fractions_and_matrices:/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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] d072227c64ddb6fc7a90dedbf2a005dbb712c1c9582d2cd97ef6521122ee5d73 [INFO] running `"docker" "start" "-a" "d072227c64ddb6fc7a90dedbf2a005dbb712c1c9582d2cd97ef6521122ee5d73"` [INFO] [stderr] Checking fractions_and_matrices v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/fractions/macros.rs:35:26 [INFO] [stderr] | [INFO] [stderr] 35 | let (mut start, mut end) = num_string_tmp.split_at_mut(decimal_ind); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] ::: src/fractions/base.rs:48:1 [INFO] [stderr] | [INFO] [stderr] 48 | into_frac_float!{f32 f64} [INFO] [stderr] | ------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/fractions/macros.rs:35:37 [INFO] [stderr] | [INFO] [stderr] 35 | let (mut start, mut end) = num_string_tmp.split_at_mut(decimal_ind); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] ::: src/fractions/base.rs:48:1 [INFO] [stderr] | [INFO] [stderr] 48 | into_frac_float!{f32 f64} [INFO] [stderr] | ------------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/fractions/macros.rs:35:26 [INFO] [stderr] | [INFO] [stderr] 35 | let (mut start, mut end) = num_string_tmp.split_at_mut(decimal_ind); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] ::: src/fractions/base.rs:48:1 [INFO] [stderr] | [INFO] [stderr] 48 | into_frac_float!{f32 f64} [INFO] [stderr] | ------------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable [INFO] [stderr] --> src/matrices/transforms.rs:141:42 [INFO] [stderr] | [INFO] [stderr] 141 | self[(target, b)] += self[(tool, b)].clone(); [INFO] [stderr] | ---------------------^^^^------------------- [INFO] [stderr] | | | [INFO] [stderr] | | immutable borrow occurs here [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | mutable borrow later used here [INFO] [stderr] ... [INFO] [stderr] 1028 | transforms_impl!{Matrix: Matrix, AugmentedMatrix: AugmentedMatrix} [INFO] [stderr] | ------------------------------------------------------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] warning[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable [INFO] [stderr] --> src/matrices/transforms.rs:149:42 [INFO] [stderr] | [INFO] [stderr] 149 | self[(target, b)] -= self[(tool, b)].clone(); [INFO] [stderr] | ---------------------^^^^------------------- [INFO] [stderr] | | | [INFO] [stderr] | | immutable borrow occurs here [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | mutable borrow later used here [INFO] [stderr] ... [INFO] [stderr] 1028 | transforms_impl!{Matrix: Matrix, AugmentedMatrix: AugmentedMatrix} [INFO] [stderr] | ------------------------------------------------------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/fractions/macros.rs:35:26 [INFO] [stderr] | [INFO] [stderr] 35 | let (mut start, mut end) = num_string_tmp.split_at_mut(decimal_ind); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] ::: src/fractions/base.rs:48:1 [INFO] [stderr] | [INFO] [stderr] 48 | into_frac_float!{f32 f64} [INFO] [stderr] | ------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/fractions/macros.rs:35:37 [INFO] [stderr] | [INFO] [stderr] 35 | let (mut start, mut end) = num_string_tmp.split_at_mut(decimal_ind); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] ::: src/fractions/base.rs:48:1 [INFO] [stderr] | [INFO] [stderr] 48 | into_frac_float!{f32 f64} [INFO] [stderr] | ------------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/fractions/macros.rs:35:26 [INFO] [stderr] | [INFO] [stderr] 35 | let (mut start, mut end) = num_string_tmp.split_at_mut(decimal_ind); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] ::: src/fractions/base.rs:48:1 [INFO] [stderr] | [INFO] [stderr] 48 | into_frac_float!{f32 f64} [INFO] [stderr] | ------------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable [INFO] [stderr] --> src/matrices/transforms.rs:141:42 [INFO] [stderr] | [INFO] [stderr] 141 | self[(target, b)] += self[(tool, b)].clone(); [INFO] [stderr] | ---------------------^^^^------------------- [INFO] [stderr] | | | [INFO] [stderr] | | immutable borrow occurs here [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | mutable borrow later used here [INFO] [stderr] ... [INFO] [stderr] 1028 | transforms_impl!{Matrix: Matrix, AugmentedMatrix: AugmentedMatrix} [INFO] [stderr] | ------------------------------------------------------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] warning[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable [INFO] [stderr] --> src/matrices/transforms.rs:149:42 [INFO] [stderr] | [INFO] [stderr] 149 | self[(target, b)] -= self[(tool, b)].clone(); [INFO] [stderr] | ---------------------^^^^------------------- [INFO] [stderr] | | | [INFO] [stderr] | | immutable borrow occurs here [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | mutable borrow later used here [INFO] [stderr] ... [INFO] [stderr] 1028 | transforms_impl!{Matrix: Matrix, AugmentedMatrix: AugmentedMatrix} [INFO] [stderr] | ------------------------------------------------------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.92s [INFO] running `"docker" "inspect" "d072227c64ddb6fc7a90dedbf2a005dbb712c1c9582d2cd97ef6521122ee5d73"` [INFO] running `"docker" "rm" "-f" "d072227c64ddb6fc7a90dedbf2a005dbb712c1c9582d2cd97ef6521122ee5d73"` [INFO] [stdout] d072227c64ddb6fc7a90dedbf2a005dbb712c1c9582d2cd97ef6521122ee5d73