[INFO] cloning repository https://github.com/woowe/convolution [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/woowe/convolution" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoowe%2Fconvolution", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoowe%2Fconvolution'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3283ba170f295d1ffddbff6184d4c0d5bfc9d724 [INFO] checking woowe/convolution against master#00bfd6b2734d9c28a147bf237490995731781fdd for pr-117984 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoowe%2Fconvolution" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/woowe/convolution on toolchain 00bfd6b2734d9c28a147bf237490995731781fdd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/woowe/convolution [INFO] finished tweaking git repo https://github.com/woowe/convolution [INFO] tweaked toml for git repo https://github.com/woowe/convolution written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/woowe/convolution 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" "+00bfd6b2734d9c28a147bf237490995731781fdd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating git repository `https://github.com/woowe/num_rust.git` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded libc v0.2.17 [INFO] [stderr] Downloaded num-rational v0.1.35 [INFO] [stderr] Downloaded flate2 v0.2.14 [INFO] [stderr] Downloaded num_cpus v1.1.0 [INFO] [stderr] Downloaded num-iter v0.1.32 [INFO] [stderr] Downloaded num-integer v0.1.32 [INFO] [stderr] Downloaded inflate v0.1.1 [INFO] [stderr] Downloaded num-traits v0.1.36 [INFO] [stderr] Downloaded byteorder v0.5.3 [INFO] [stderr] Downloaded png v0.5.2 [INFO] [stderr] Downloaded color_quant v1.0.0 [INFO] [stderr] Downloaded rand v0.3.14 [INFO] [stderr] Downloaded scoped_threadpool v0.1.7 [INFO] [stderr] Downloaded rayon v0.5.0 [INFO] [stderr] Downloaded rayon v0.4.3 [INFO] [stderr] Downloaded miniz-sys v0.1.7 [INFO] [stderr] Downloaded image v0.10.3 [INFO] [stderr] Downloaded num-bigint v0.1.35 [INFO] [stderr] Downloaded num v0.1.36 [INFO] [stderr] Downloaded rustc-serialize v0.3.21 [INFO] [stderr] Downloaded gif v0.9.0 [INFO] [stderr] Downloaded glob v0.2.11 [INFO] [stderr] Downloaded gcc v0.3.38 [INFO] [stderr] Downloaded jpeg-decoder v0.1.8 [INFO] [stderr] Downloaded deque v0.3.1 [INFO] [stderr] Downloaded bitflags v0.7.0 [INFO] [stderr] Downloaded lzw v0.10.0 [INFO] [stderr] Downloaded enum_primitive v0.1.0 [INFO] [stderr] Downloaded matrixmultiply v0.1.12 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4dc53145418acfa4c3dd847e559790d977a2f5961923605597a0a0b21e22e6ea [INFO] running `Command { std: "docker" "start" "-a" "4dc53145418acfa4c3dd847e559790d977a2f5961923605597a0a0b21e22e6ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4dc53145418acfa4c3dd847e559790d977a2f5961923605597a0a0b21e22e6ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4dc53145418acfa4c3dd847e559790d977a2f5961923605597a0a0b21e22e6ea", kill_on_drop: false }` [INFO] [stdout] 4dc53145418acfa4c3dd847e559790d977a2f5961923605597a0a0b21e22e6ea [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 66bd7b7602532026be43eb123fec6490efc20b00430dbbdaacc0a4fcb369f2cb [INFO] running `Command { std: "docker" "start" "-a" "66bd7b7602532026be43eb123fec6490efc20b00430dbbdaacc0a4fcb369f2cb", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.17 [INFO] [stderr] Checking num-traits v0.1.36 [INFO] [stderr] Compiling gcc v0.3.38 [INFO] [stderr] Checking rustc-serialize v0.3.21 [INFO] [stderr] Checking color_quant v1.0.0 [INFO] [stderr] Checking inflate v0.1.1 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking byteorder v0.5.3 [INFO] [stderr] Checking bitflags v0.7.0 [INFO] [stderr] Checking scoped_threadpool v0.1.7 [INFO] [stderr] Checking glob v0.2.11 [INFO] [stderr] Checking matrixmultiply v0.1.12 [INFO] [stderr] Checking gif v0.9.0 [INFO] [stderr] Checking rand v0.3.14 [INFO] [stderr] Checking num_cpus v1.1.0 [INFO] [stderr] Compiling miniz-sys v0.1.7 [INFO] [stderr] Checking num-integer v0.1.32 [INFO] [stderr] Checking num-iter v0.1.32 [INFO] [stderr] Checking num v0.1.36 [INFO] [stderr] Checking enum_primitive v0.1.0 [INFO] [stderr] Checking deque v0.3.1 [INFO] [stderr] Checking rayon v0.5.0 [INFO] [stderr] Checking rayon v0.4.3 [INFO] [stderr] Checking flate2 v0.2.14 [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/rustwide/workdir) [INFO] [stdout] warning: unused import: `num_rust::ext::impls::*` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use num_rust::ext::impls::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `image::GenericImage` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use image::GenericImage; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `num_rust::ext::impls::*` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use num_rust::ext::impls::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `image::GenericImage` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use image::GenericImage; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `norm_m` [INFO] [stdout] --> src/main.rs:33:13 [INFO] [stdout] | [INFO] [stdout] 33 | let norm_m = vec![1./(size as f64); size].reshape(convolution.get_rows(), convolution.get_cols()).unwrap(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_norm_m` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `norm_m` [INFO] [stdout] --> src/main.rs:33:13 [INFO] [stdout] | [INFO] [stdout] 33 | let norm_m = vec![1./(size as f64); size].reshape(convolution.get_rows(), convolution.get_cols()).unwrap(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_norm_m` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `image` [INFO] [stdout] --> src/main.rs:61:13 [INFO] [stdout] | [INFO] [stdout] 61 | let mut image = (0..28*28).map(|i: usize| i as f64).collect::>().reshape(28, 28).unwrap(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_image` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `conv` [INFO] [stdout] --> src/main.rs:69:9 [INFO] [stdout] | [INFO] [stdout] 69 | let conv = Kernel::new(conv_m); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_conv` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `filtered` [INFO] [stdout] --> src/main.rs:76:9 [INFO] [stdout] | [INFO] [stdout] 76 | let filtered = img.filter3x3(&kernel); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filtered` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `image` [INFO] [stdout] --> src/main.rs:61:13 [INFO] [stdout] | [INFO] [stdout] 61 | let mut image = (0..28*28).map(|i: usize| i as f64).collect::>().reshape(28, 28).unwrap(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_image` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `conv` [INFO] [stdout] --> src/main.rs:69:9 [INFO] [stdout] | [INFO] [stdout] 69 | let conv = Kernel::new(conv_m); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_conv` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `filtered` [INFO] [stdout] --> src/main.rs:76:9 [INFO] [stdout] | [INFO] [stdout] 76 | let filtered = img.filter3x3(&kernel); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filtered` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:61:9 [INFO] [stdout] | [INFO] [stdout] 61 | let mut image = (0..28*28).map(|i: usize| i as f64).collect::>().reshape(28, 28).unwrap(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_matrix_window` is never used [INFO] [stdout] --> src/main.rs:13:4 [INFO] [stdout] | [INFO] [stdout] 13 | fn get_matrix_window(matrix: &Matrix2d, n: usize, m: usize, i: usize, j: usize) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `matrix` is never read [INFO] [stdout] --> src/main.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 26 | struct Kernel { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 27 | matrix: Matrix2d [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:61:9 [INFO] [stdout] | [INFO] [stdout] 61 | let mut image = (0..28*28).map(|i: usize| i as f64).collect::>().reshape(28, 28).unwrap(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `apply` is never used [INFO] [stdout] --> src/main.rs:39:12 [INFO] [stdout] | [INFO] [stdout] 30 | impl Kernel { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 39 | pub fn apply(&self, image: &Matrix2d) -> Option { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_matrix_window` is never used [INFO] [stdout] --> src/main.rs:13:4 [INFO] [stdout] | [INFO] [stdout] 13 | fn get_matrix_window(matrix: &Matrix2d, n: usize, m: usize, i: usize, j: usize) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `matrix` is never read [INFO] [stdout] --> src/main.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 26 | struct Kernel { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 27 | matrix: Matrix2d [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `apply` is never used [INFO] [stdout] --> src/main.rs:39:12 [INFO] [stdout] | [INFO] [stdout] 30 | impl Kernel { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 39 | pub fn apply(&self, image: &Matrix2d) -> Option { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.04s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.21 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "66bd7b7602532026be43eb123fec6490efc20b00430dbbdaacc0a4fcb369f2cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "66bd7b7602532026be43eb123fec6490efc20b00430dbbdaacc0a4fcb369f2cb", kill_on_drop: false }` [INFO] [stdout] 66bd7b7602532026be43eb123fec6490efc20b00430dbbdaacc0a4fcb369f2cb