[INFO] cloning repository https://github.com/kasper0406/fft [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kasper0406/fft" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkasper0406%2Ffft"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkasper0406%2Ffft'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] c4a005944d366ac7b7623f05625f64a89bdc7bdd [INFO] checking kasper0406/fft against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkasper0406%2Ffft" "/workspace/builds/worker-14/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kasper0406/fft on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/kasper0406/fft [INFO] finished tweaking git repo https://github.com/kasper0406/fft [INFO] tweaked toml for git repo https://github.com/kasper0406/fft written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/kasper0406/fft already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] f63b934f6cebfe75c933e931871b1177787e4b5a5dba8ed57cef31ffe5a6fdac [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "f63b934f6cebfe75c933e931871b1177787e4b5a5dba8ed57cef31ffe5a6fdac"` [INFO] [stderr] Compiling autocfg v0.1.6 [INFO] [stderr] Compiling num-bigint v0.2.2 [INFO] [stderr] Checking gnuplot v0.0.31 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling num-complex v0.2.3 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Checking num v0.2.0 [INFO] [stderr] Checking fft v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `axes` [INFO] [stderr] --> src/main.rs:52:9 [INFO] [stderr] | [INFO] [stderr] 52 | let mut axes = figure.axes2d() [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_axes` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `axes` [INFO] [stderr] --> src/main.rs:52:9 [INFO] [stderr] | [INFO] [stderr] 52 | let mut axes = figure.axes2d() [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_axes` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `axes` [INFO] [stderr] --> src/main.rs:67:9 [INFO] [stderr] | [INFO] [stderr] 67 | let mut axes = figure.axes2d() [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_axes` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:315:9 [INFO] [stderr] | [INFO] [stderr] 315 | for i in 0..100 { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `axes` [INFO] [stderr] --> src/main.rs:67:9 [INFO] [stderr] | [INFO] [stderr] 67 | let mut axes = figure.axes2d() [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_axes` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:52:9 [INFO] [stderr] | [INFO] [stderr] 52 | let mut axes = figure.axes2d() [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: `i` [INFO] [stderr] --> src/main.rs:315:9 [INFO] [stderr] | [INFO] [stderr] 315 | for i in 0..100 { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:67:9 [INFO] [stderr] | [INFO] [stderr] 67 | let mut axes = figure.axes2d() [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: field is never read: `time` [INFO] [stderr] --> src/main.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | time: f64, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `render_samples` [INFO] [stderr] --> src/main.rs:47:4 [INFO] [stderr] | [INFO] [stderr] 47 | fn render_samples(samples: &[Sample]) { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `render_dft_coefficients` [INFO] [stderr] --> src/main.rs:61:4 [INFO] [stderr] | [INFO] [stderr] 61 | fn render_dft_coefficients(interval: f64, coefficients: &[Complex]) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `naive_dft` [INFO] [stderr] --> src/main.rs:76:4 [INFO] [stderr] | [INFO] [stderr] 76 | fn naive_dft(samples: &[Sample]) -> Vec> { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `recursive_fft` [INFO] [stderr] --> src/main.rs:101:4 [INFO] [stderr] | [INFO] [stderr] 101 | fn recursive_fft(samples: &[Sample]) -> Vec> { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `validate_coefficients` [INFO] [stderr] --> src/main.rs:222:4 [INFO] [stderr] | [INFO] [stderr] 222 | fn validate_coefficients(actual: &[Complex], expected: &[Complex]) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `N` should have a snake case name [INFO] [stderr] --> src/main.rs:62:9 [INFO] [stderr] | [INFO] [stderr] 62 | let N = coefficients.len() / 2; [INFO] [stderr] | ^ help: convert the identifier to snake case: `n` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `N` should have a snake case name [INFO] [stderr] --> src/main.rs:81:9 [INFO] [stderr] | [INFO] [stderr] 81 | let N = samples.len(); [INFO] [stderr] | ^ help: convert the identifier to snake case: `n` [INFO] [stderr] [INFO] [stderr] warning: variable `N` should have a snake case name [INFO] [stderr] --> src/main.rs:102:9 [INFO] [stderr] | [INFO] [stderr] 102 | let N = samples.len(); [INFO] [stderr] | ^ help: convert the identifier to snake case: `n` [INFO] [stderr] [INFO] [stderr] warning: variable `N` should have a snake case name [INFO] [stderr] --> src/main.rs:136:25 [INFO] [stderr] | [INFO] [stderr] 136 | fn generate_permutation(N: usize) -> Vec { [INFO] [stderr] | ^ help: convert the identifier to snake case: `n` [INFO] [stderr] [INFO] [stderr] warning: variable `N` should have a snake case name [INFO] [stderr] --> src/main.rs:176:9 [INFO] [stderr] | [INFO] [stderr] 176 | let N = samples.len(); [INFO] [stderr] | ^ help: convert the identifier to snake case: `n` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:52:9 [INFO] [stderr] | [INFO] [stderr] 52 | let mut axes = figure.axes2d() [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: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:67:9 [INFO] [stderr] | [INFO] [stderr] 67 | let mut axes = figure.axes2d() [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: field is never read: `time` [INFO] [stderr] --> src/main.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | time: f64, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `render_samples` [INFO] [stderr] --> src/main.rs:47:4 [INFO] [stderr] | [INFO] [stderr] 47 | fn render_samples(samples: &[Sample]) { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `render_dft_coefficients` [INFO] [stderr] --> src/main.rs:61:4 [INFO] [stderr] | [INFO] [stderr] 61 | fn render_dft_coefficients(interval: f64, coefficients: &[Complex]) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `N` should have a snake case name [INFO] [stderr] --> src/main.rs:62:9 [INFO] [stderr] | [INFO] [stderr] 62 | let N = coefficients.len() / 2; [INFO] [stderr] | ^ help: convert the identifier to snake case: `n` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `N` should have a snake case name [INFO] [stderr] --> src/main.rs:81:9 [INFO] [stderr] | [INFO] [stderr] 81 | let N = samples.len(); [INFO] [stderr] | ^ help: convert the identifier to snake case: `n` [INFO] [stderr] [INFO] [stderr] warning: variable `N` should have a snake case name [INFO] [stderr] --> src/main.rs:102:9 [INFO] [stderr] | [INFO] [stderr] 102 | let N = samples.len(); [INFO] [stderr] | ^ help: convert the identifier to snake case: `n` [INFO] [stderr] [INFO] [stderr] warning: variable `N` should have a snake case name [INFO] [stderr] --> src/main.rs:136:25 [INFO] [stderr] | [INFO] [stderr] 136 | fn generate_permutation(N: usize) -> Vec { [INFO] [stderr] | ^ help: convert the identifier to snake case: `n` [INFO] [stderr] [INFO] [stderr] warning: variable `N` should have a snake case name [INFO] [stderr] --> src/main.rs:176:9 [INFO] [stderr] | [INFO] [stderr] 176 | let N = samples.len(); [INFO] [stderr] | ^ help: convert the identifier to snake case: `n` [INFO] [stderr] [INFO] [stderr] warning: 13 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 16 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.86s [INFO] running `"docker" "inspect" "f63b934f6cebfe75c933e931871b1177787e4b5a5dba8ed57cef31ffe5a6fdac"` [INFO] running `"docker" "rm" "-f" "f63b934f6cebfe75c933e931871b1177787e4b5a5dba8ed57cef31ffe5a6fdac"` [INFO] [stdout] f63b934f6cebfe75c933e931871b1177787e4b5a5dba8ed57cef31ffe5a6fdac