[INFO] cloning repository https://github.com/y-kitamu/numeric [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/y-kitamu/numeric" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fy-kitamu%2Fnumeric", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fy-kitamu%2Fnumeric'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e2f6f768d5ca55d0e0acc19c3bc9743ff866b65f [INFO] checking y-kitamu/numeric against try#9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869 for pr-129249 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fy-kitamu%2Fnumeric" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/y-kitamu/numeric on toolchain 9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/y-kitamu/numeric [INFO] removed 0 missing examples [INFO] finished tweaking git repo https://github.com/y-kitamu/numeric [INFO] tweaked toml for git repo https://github.com/y-kitamu/numeric written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/y-kitamu/numeric already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3e2fde2ff693c2a8e0c7302bc67d08260e390c4877d30414592227c9837b8beb [INFO] running `Command { std: "docker" "start" "-a" "3e2fde2ff693c2a8e0c7302bc67d08260e390c4877d30414592227c9837b8beb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3e2fde2ff693c2a8e0c7302bc67d08260e390c4877d30414592227c9837b8beb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e2fde2ff693c2a8e0c7302bc67d08260e390c4877d30414592227c9837b8beb", kill_on_drop: false }` [INFO] [stdout] 3e2fde2ff693c2a8e0c7302bc67d08260e390c4877d30414592227c9837b8beb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bbe4908f6529d4a7c602b135804e64446863043dc84ff81e5c15f80da935ddb4 [INFO] running `Command { std: "docker" "start" "-a" "bbe4908f6529d4a7c602b135804e64446863043dc84ff81e5c15f80da935ddb4", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling proc-macro2 v1.0.29 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.77 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling libc v0.2.107 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-bigint v0.4.2 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling num-rational v0.4.0 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling anyhow v1.0.44 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking os_str_bytes v4.2.0 [INFO] [stderr] Checking textwrap v0.14.2 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking num-complex v0.4.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking num v0.4.0 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Compiling clap_derive v3.0.0-beta.5 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Checking thiserror v1.0.30 [INFO] [stderr] Checking clap v3.0.0-beta.5 [INFO] [stderr] Checking numerics v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `SVD` is never constructed [INFO] [stdout] --> src/linalg/svd.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | struct SVD [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/linalg/svd.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 20 | / impl SVD [INFO] [stdout] 21 | | where [INFO] [stdout] 22 | | T: MatLinAlgBound, [INFO] [stdout] | |______________________- associated items in this implementation [INFO] [stdout] 23 | { [INFO] [stdout] 24 | pub fn new(a: Matrix) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 48 | fn decompose(&mut self, mut a: Matrix) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 203 | fn reorder(&mut self) {} [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 204 | [INFO] [stdout] 205 | pub fn solve(&self, b: &[T], x: &mut [T]) -> Result<()> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 231 | pub fn solve_mat(&self, b: &Matrix, x: &mut Matrix) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 245 | pub fn rank(&self) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 255 | pub fn nullity(&self) -> usize { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 265 | pub fn range(&self) -> Matrix { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 280 | pub fn nullspace(&self) -> Matrix { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this conversion is useless `T` to `T` [INFO] [stdout] --> src/linalg/lu_decomposition.rs:109:20 [INFO] [stdout] | [INFO] [stdout] 109 | x[i] = sum.into(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[deny(self_type_conversion)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this conversion is useless `T` to `T` [INFO] [stdout] --> src/linalg/svd.rs:131:32 [INFO] [stdout] | [INFO] [stdout] 131 | let norm = (a[i][i + 1].square() + a[i + 1][i + 1].square()).into(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this conversion is useless `T` to `T` [INFO] [stdout] --> src/linalg/svd.rs:135:25 [INFO] [stdout] | [INFO] [stdout] 135 | (T::from(nsin * a[i][i + 1]) + T::from(cos * a[i + 1][i + 1])).into(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this conversion is useless `T` to `T` [INFO] [stdout] --> src/linalg/svd.rs:148:26 [INFO] [stdout] | [INFO] [stdout] 148 | let c11: T = (a[idx][idx + 1].square() + a[idx + 1][idx + 1].square()).into(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this conversion is useless `T` to `T` [INFO] [stdout] --> src/linalg/svd.rs:165:21 [INFO] [stdout] | [INFO] [stdout] 165 | (T::from(sin * mat[idx][idx]) + T::from(cos * mat[idx][idx + 1])).into(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this conversion is useless `f32` to `f32` [INFO] [stdout] --> src/linalg/tridiagonal.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 18 | u[0] = (r[0].to_f32().unwrap() / bet).into(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this conversion is useless `T` to `T` [INFO] [stdout] --> src/linalg/vander.rs:23:17 [INFO] [stdout] | [INFO] [stdout] 23 | b = (c[j] + T::from(xx * b)).into(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this conversion is useless `T` to `T` [INFO] [stdout] --> src/linalg/vander.rs:25:17 [INFO] [stdout] | [INFO] [stdout] 25 | t = (T::from(xx * t) + b).into(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/linalg/svd.rs:237:13 [INFO] [stdout] | [INFO] [stdout] 237 | self.solve(&b.get_col(j), &mut tmp); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 237 | let _ = self.solve(&b.get_col(j), &mut tmp); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `numerics` (lib) due to 8 previous errors; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: struct `SVD` is never constructed [INFO] [stdout] --> src/linalg/svd.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | struct SVD [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/linalg/svd.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 20 | / impl SVD [INFO] [stdout] 21 | | where [INFO] [stdout] 22 | | T: MatLinAlgBound, [INFO] [stdout] | |______________________- associated items in this implementation [INFO] [stdout] 23 | { [INFO] [stdout] 24 | pub fn new(a: Matrix) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 48 | fn decompose(&mut self, mut a: Matrix) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 203 | fn reorder(&mut self) {} [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 204 | [INFO] [stdout] 205 | pub fn solve(&self, b: &[T], x: &mut [T]) -> Result<()> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 231 | pub fn solve_mat(&self, b: &Matrix, x: &mut Matrix) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 245 | pub fn rank(&self) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 255 | pub fn nullity(&self) -> usize { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 265 | pub fn range(&self) -> Matrix { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 280 | pub fn nullspace(&self) -> Matrix { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_svd` is never used [INFO] [stdout] --> src/linalg/svd.rs:301:8 [INFO] [stdout] | [INFO] [stdout] 301 | fn test_svd() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this conversion is useless `T` to `T` [INFO] [stdout] --> src/linalg/lu_decomposition.rs:109:20 [INFO] [stdout] | [INFO] [stdout] 109 | x[i] = sum.into(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[deny(self_type_conversion)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this conversion is useless `T` to `T` [INFO] [stdout] --> src/linalg/svd.rs:131:32 [INFO] [stdout] | [INFO] [stdout] 131 | let norm = (a[i][i + 1].square() + a[i + 1][i + 1].square()).into(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this conversion is useless `T` to `T` [INFO] [stdout] --> src/linalg/svd.rs:135:25 [INFO] [stdout] | [INFO] [stdout] 135 | (T::from(nsin * a[i][i + 1]) + T::from(cos * a[i + 1][i + 1])).into(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this conversion is useless `T` to `T` [INFO] [stdout] --> src/linalg/svd.rs:148:26 [INFO] [stdout] | [INFO] [stdout] 148 | let c11: T = (a[idx][idx + 1].square() + a[idx + 1][idx + 1].square()).into(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this conversion is useless `T` to `T` [INFO] [stdout] --> src/linalg/svd.rs:165:21 [INFO] [stdout] | [INFO] [stdout] 165 | (T::from(sin * mat[idx][idx]) + T::from(cos * mat[idx][idx + 1])).into(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this conversion is useless `f32` to `f32` [INFO] [stdout] --> src/linalg/tridiagonal.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 18 | u[0] = (r[0].to_f32().unwrap() / bet).into(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this conversion is useless `T` to `T` [INFO] [stdout] --> src/linalg/vander.rs:23:17 [INFO] [stdout] | [INFO] [stdout] 23 | b = (c[j] + T::from(xx * b)).into(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this conversion is useless `T` to `T` [INFO] [stdout] --> src/linalg/vander.rs:25:17 [INFO] [stdout] | [INFO] [stdout] 25 | t = (T::from(xx * t) + b).into(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/linalg/svd.rs:237:13 [INFO] [stdout] | [INFO] [stdout] 237 | self.solve(&b.get_col(j), &mut tmp); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 237 | let _ = self.solve(&b.get_col(j), &mut tmp); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `numerics` (lib test) due to 8 previous errors; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "bbe4908f6529d4a7c602b135804e64446863043dc84ff81e5c15f80da935ddb4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bbe4908f6529d4a7c602b135804e64446863043dc84ff81e5c15f80da935ddb4", kill_on_drop: false }` [INFO] [stdout] bbe4908f6529d4a7c602b135804e64446863043dc84ff81e5c15f80da935ddb4