[INFO] fetching crate series 0.5.0... [INFO] extracting crate series 0.5.0 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/series/0.5.0 [INFO] extracting crate series 0.5.0 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/series/0.5.0 [INFO] validating manifest of series-0.5.0 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of series-0.5.0 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing series-0.5.0 [INFO] finished frobbing series-0.5.0 [INFO] frobbed toml for series-0.5.0 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/series/0.5.0/Cargo.toml [INFO] started frobbing series-0.5.0 [INFO] finished frobbing series-0.5.0 [INFO] frobbed toml for series-0.5.0 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/series/0.5.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing series-0.5.0 against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/series/0.5.0:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"` [INFO] [stdout] fae52a4dd628a626dc689b2581ec342875aadc6436aca9a7fb74c1b0771ad4ec [INFO] running `"docker" "start" "-a" "fae52a4dd628a626dc689b2581ec342875aadc6436aca9a7fb74c1b0771ad4ec"` [INFO] [stderr] Compiling series v0.5.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:724:17 [INFO] [stderr] | [INFO] [stderr] 724 | for mut b_n in & mut b { [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[E0502]: cannot borrow `b` as immutable because it is also borrowed as mutable [INFO] [stderr] --> src/lib.rs:816:50 [INFO] [stderr] | [INFO] [stderr] 816 | b[n] -= num_factor * (&a[n-i] * &b[i]); [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] = 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 `b` as immutable because it is also borrowed as mutable [INFO] [stderr] --> src/lib.rs:864:50 [INFO] [stderr] | [INFO] [stderr] 864 | b[n] -= num_factor * (&a[n-i] * &b[i])/c_k0; [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] = 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/lib.rs:956:13 [INFO] [stderr] | [INFO] [stderr] 956 | for mut coeff in &mut self.coeffs { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:978:13 [INFO] [stderr] | [INFO] [stderr] 978 | for mut coeff in &mut self.coeffs { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning[E0502]: cannot borrow `b` as immutable because it is also borrowed as mutable [INFO] [stderr] --> src/lib.rs:1056:50 [INFO] [stderr] | [INFO] [stderr] 1056 | b[n] -= num_factor * (&a[n-i] * &b[i]); [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] = 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 0.73s [INFO] running `"docker" "inspect" "fae52a4dd628a626dc689b2581ec342875aadc6436aca9a7fb74c1b0771ad4ec"` [INFO] running `"docker" "rm" "-f" "fae52a4dd628a626dc689b2581ec342875aadc6436aca9a7fb74c1b0771ad4ec"` [INFO] [stdout] fae52a4dd628a626dc689b2581ec342875aadc6436aca9a7fb74c1b0771ad4ec [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/series/0.5.0:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] c65af5f81a385cf8bf42c181698de1057e35be10ce656210b727811e45848d38 [INFO] running `"docker" "start" "-a" "c65af5f81a385cf8bf42c181698de1057e35be10ce656210b727811e45848d38"` [INFO] [stderr] Compiling series v0.5.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:724:17 [INFO] [stderr] | [INFO] [stderr] 724 | for mut b_n in & mut b { [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[E0502]: cannot borrow `b` as immutable because it is also borrowed as mutable [INFO] [stderr] --> src/lib.rs:816:50 [INFO] [stderr] | [INFO] [stderr] 816 | b[n] -= num_factor * (&a[n-i] * &b[i]); [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] = 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 `b` as immutable because it is also borrowed as mutable [INFO] [stderr] --> src/lib.rs:864:50 [INFO] [stderr] | [INFO] [stderr] 864 | b[n] -= num_factor * (&a[n-i] * &b[i])/c_k0; [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] = 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/lib.rs:956:13 [INFO] [stderr] | [INFO] [stderr] 956 | for mut coeff in &mut self.coeffs { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:978:13 [INFO] [stderr] | [INFO] [stderr] 978 | for mut coeff in &mut self.coeffs { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning[E0502]: cannot borrow `b` as immutable because it is also borrowed as mutable [INFO] [stderr] --> src/lib.rs:1056:50 [INFO] [stderr] | [INFO] [stderr] 1056 | b[n] -= num_factor * (&a[n-i] * &b[i]); [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] = 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 3.22s [INFO] running `"docker" "inspect" "c65af5f81a385cf8bf42c181698de1057e35be10ce656210b727811e45848d38"` [INFO] running `"docker" "rm" "-f" "c65af5f81a385cf8bf42c181698de1057e35be10ce656210b727811e45848d38"` [INFO] [stdout] c65af5f81a385cf8bf42c181698de1057e35be10ce656210b727811e45848d38 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/series/0.5.0:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"` [INFO] [stdout] f771200ce4fce409d2b9d347f14f4591b9da1917d04b543ecbefe5cd22879b99 [INFO] running `"docker" "start" "-a" "f771200ce4fce409d2b9d347f14f4591b9da1917d04b543ecbefe5cd22879b99"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running /opt/crater/target/debug/deps/series-d62b118936c5eb69 [INFO] [stdout] [INFO] [stdout] running 22 tests [INFO] [stdout] test tests::tst_add ... ok [INFO] [stdout] test tests::tst_add_assign ... ok [INFO] [stdout] test tests::tst_display ... ok [INFO] [stdout] test tests::tst_div_assign ... ok [INFO] [stdout] test tests::tst_div ... ok [INFO] [stdout] test tests::tst_exp ... ok [INFO] [stdout] test tests::tst_mul_assign ... ok [INFO] [stdout] test tests::tst_ln ... ok [INFO] [stdout] test tests::tst_mul ... ok [INFO] [stdout] test tests::tst_scalar ... ok [INFO] [stdout] test tests::tst_series ... ok [INFO] [stdout] test tests::tst_series_with_cutoff ... ok [INFO] [stdout] test tests::tst_sub ... ok [INFO] [stdout] test tests::tst_sub_assign ... ok [INFO] [stdout] test tests::tst_var ... ok [INFO] [stdout] test tests::tst_neg ... ok [INFO] [stdout] test tests::tst_pow ... ok [INFO] [stdout] test tests::tst_bad_add ... ok [INFO] [stdout] test tests::tst_bad_sub ... ok [INFO] [stdout] test tests::tst_bad_cutoff ... ok [INFO] [stdout] test tests::tst_bad_div ... ok [INFO] [stdout] test tests::tst_bad_mul ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests series [INFO] [stdout] [INFO] [stdout] running 20 tests [INFO] [stdout] test src/lib.rs - Series::cutoff_pow (line 142) ... ok [INFO] [stdout] test src/lib.rs - Series::coeff (line 103) ... ok [INFO] [stdout] test src/lib.rs - &'a Series::mul_inverse (line 168) ... ok [INFO] [stdout] test src/lib.rs - &'a Series::neg (line 287) ... ok [INFO] [stdout] test src/lib.rs - Series::add_assign (line 348) ... ok [INFO] [stdout] test src/lib.rs - Series::div_assign (line 648) ... ok [INFO] [stdout] test src/lib.rs - Series::div_assign (line 621) ... ok [INFO] [stdout] test src/lib.rs - Series::add_assign (line 385) ... ok [INFO] [stdout] test src/lib.rs - Series::min_pow (line 128) ... ok [INFO] [stdout] test src/lib.rs - Series::neg (line 267) ... ok [INFO] [stdout] test src/lib.rs - Series::new (line 36) ... ok [INFO] [stdout] test src/lib.rs - Series::mul_assign (line 565) ... ok [INFO] [stdout] test src/lib.rs - Series::powi (line 1073) ... ok [INFO] [stdout] test src/lib.rs - Series::mul_assign (line 526) ... ok [INFO] [stdout] test src/lib.rs - Series::mul_inverse (line 205) ... ok [INFO] [stdout] test src/lib.rs - Series::sub_assign (line 447) ... ok [INFO] [stdout] test src/lib.rs - Series::var (line 87) ... ok [INFO] [stdout] test src/lib.rs - Series::sub_assign (line 472) ... ok [INFO] [stdout] test src/lib.rs - Series::with_cutoff (line 53) ... ok [INFO] [stdout] test src/lib.rs - SeriesParts (line 998) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "f771200ce4fce409d2b9d347f14f4591b9da1917d04b543ecbefe5cd22879b99"` [INFO] running `"docker" "rm" "-f" "f771200ce4fce409d2b9d347f14f4591b9da1917d04b543ecbefe5cd22879b99"` [INFO] [stdout] f771200ce4fce409d2b9d347f14f4591b9da1917d04b543ecbefe5cd22879b99