[INFO] updating cached repository woowe/convolution [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/woowe/convolution [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/woowe/convolution" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/woowe/convolution"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/woowe/convolution'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/woowe/convolution" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/woowe/convolution"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/woowe/convolution'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 3283ba170f295d1ffddbff6184d4c0d5bfc9d724 [INFO] sha for GitHub repo woowe/convolution: 3283ba170f295d1ffddbff6184d4c0d5bfc9d724 [INFO] validating manifest of woowe/convolution 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 woowe/convolution 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 woowe/convolution [INFO] finished frobbing woowe/convolution [INFO] frobbed toml for woowe/convolution written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/woowe/convolution/Cargo.toml [INFO] started frobbing woowe/convolution [INFO] finished frobbing woowe/convolution [INFO] frobbed toml for woowe/convolution written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/woowe/convolution/Cargo.toml [INFO] crate woowe/convolution 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 woowe/convolution against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-0/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/woowe/convolution:/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] f59e72691aad226297e1ee6e7340cf8d936d1d353f5dbb8d16873c7d306d6ae7 [INFO] running `"docker" "start" "-a" "f59e72691aad226297e1ee6e7340cf8d936d1d353f5dbb8d16873c7d306d6ae7"` [INFO] [stderr] Checking rustc-serialize v0.3.21 [INFO] [stderr] Checking inflate v0.1.1 [INFO] [stderr] Checking scoped_threadpool v0.1.7 [INFO] [stderr] Checking glob v0.2.11 [INFO] [stderr] Checking matrixmultiply v0.1.12 [INFO] [stderr] Compiling miniz-sys v0.1.7 [INFO] [stderr] Checking rand v0.3.14 [INFO] [stderr] Checking num_cpus v1.1.0 [INFO] [stderr] Checking gif v0.9.0 [INFO] [stderr] Checking enum_primitive v0.1.0 [INFO] [stderr] Checking flate2 v0.2.14 [INFO] [stderr] Checking deque v0.3.1 [INFO] [stderr] Checking rayon v0.5.0 [INFO] [stderr] Checking rayon v0.4.3 [INFO] [stderr] Checking num_rust v0.1.0 (https://github.com/woowe/num_rust.git#ad88ba18) [INFO] [stderr] Checking jpeg-decoder v0.1.8 [INFO] [stderr] Checking png v0.5.2 [INFO] [stderr] Checking num-bigint v0.1.35 [INFO] [stderr] Checking num-rational v0.1.35 [INFO] [stderr] Checking image v0.10.3 [INFO] [stderr] Checking convolution v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `num_rust::ext::impls::*` [INFO] [stderr] --> src/main.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use num_rust::ext::impls::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `image::GenericImage` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use image::GenericImage; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs::File` [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use std::fs::File; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `image` [INFO] [stderr] --> src/main.rs:61:13 [INFO] [stderr] | [INFO] [stderr] 61 | let mut image = (0..28*28).map(|i: usize| i as f64).collect::>().reshape(28, 28).unwrap(); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_image` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `conv` [INFO] [stderr] --> src/main.rs:69:9 [INFO] [stderr] | [INFO] [stderr] 69 | let conv = Kernel::new(conv_m); [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_conv` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `filtered` [INFO] [stderr] --> src/main.rs:76:9 [INFO] [stderr] | [INFO] [stderr] 76 | let filtered = img.filter3x3(&kernel); [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_filtered` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `norm_m` [INFO] [stderr] --> src/main.rs:33:13 [INFO] [stderr] | [INFO] [stderr] 33 | let norm_m = vec![1./(size as f64); size].reshape(convolution.get_rows(), convolution.get_cols()).unwrap(); [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_norm_m` [INFO] [stderr] [INFO] [stderr] warning: unused import: `num_rust::ext::impls::*` [INFO] [stderr] --> src/main.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use num_rust::ext::impls::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `image::GenericImage` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use image::GenericImage; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs::File` [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use std::fs::File; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:61:9 [INFO] [stderr] | [INFO] [stderr] 61 | let mut image = (0..28*28).map(|i: usize| i as f64).collect::>().reshape(28, 28).unwrap(); [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: function is never used: `get_matrix_window` [INFO] [stderr] --> src/main.rs:13:1 [INFO] [stderr] | [INFO] [stderr] 13 | fn get_matrix_window(matrix: &Matrix2d, n: usize, m: usize, i: usize, j: usize) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `matrix` [INFO] [stderr] --> src/main.rs:27:5 [INFO] [stderr] | [INFO] [stderr] 27 | matrix: Matrix2d [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `apply` [INFO] [stderr] --> src/main.rs:39:5 [INFO] [stderr] | [INFO] [stderr] 39 | pub fn apply(&self, image: &Matrix2d) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `image` [INFO] [stderr] --> src/main.rs:61:13 [INFO] [stderr] | [INFO] [stderr] 61 | let mut image = (0..28*28).map(|i: usize| i as f64).collect::>().reshape(28, 28).unwrap(); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_image` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `conv` [INFO] [stderr] --> src/main.rs:69:9 [INFO] [stderr] | [INFO] [stderr] 69 | let conv = Kernel::new(conv_m); [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_conv` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `filtered` [INFO] [stderr] --> src/main.rs:76:9 [INFO] [stderr] | [INFO] [stderr] 76 | let filtered = img.filter3x3(&kernel); [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_filtered` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `norm_m` [INFO] [stderr] --> src/main.rs:33:13 [INFO] [stderr] | [INFO] [stderr] 33 | let norm_m = vec![1./(size as f64); size].reshape(convolution.get_rows(), convolution.get_cols()).unwrap(); [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_norm_m` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:61:9 [INFO] [stderr] | [INFO] [stderr] 61 | let mut image = (0..28*28).map(|i: usize| i as f64).collect::>().reshape(28, 28).unwrap(); [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: function is never used: `get_matrix_window` [INFO] [stderr] --> src/main.rs:13:1 [INFO] [stderr] | [INFO] [stderr] 13 | fn get_matrix_window(matrix: &Matrix2d, n: usize, m: usize, i: usize, j: usize) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `matrix` [INFO] [stderr] --> src/main.rs:27:5 [INFO] [stderr] | [INFO] [stderr] 27 | matrix: Matrix2d [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `apply` [INFO] [stderr] --> src/main.rs:39:5 [INFO] [stderr] | [INFO] [stderr] 39 | pub fn apply(&self, image: &Matrix2d) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 17.49s [INFO] running `"docker" "inspect" "f59e72691aad226297e1ee6e7340cf8d936d1d353f5dbb8d16873c7d306d6ae7"` [INFO] running `"docker" "rm" "-f" "f59e72691aad226297e1ee6e7340cf8d936d1d353f5dbb8d16873c7d306d6ae7"` [INFO] [stdout] f59e72691aad226297e1ee6e7340cf8d936d1d353f5dbb8d16873c7d306d6ae7