[INFO] updating cached repository https://github.com/ToRainu256/trans_image [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d22e86d13601426ac644c06c29edaaee1f4fa7e3 [INFO] testing ToRainu256/trans_image against beta-2020-07-24 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FToRainu256%2Ftrans_image" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ToRainu256/trans_image on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ToRainu256/trans_image [INFO] finished tweaking git repo https://github.com/ToRainu256/trans_image [INFO] tweaked toml for git repo https://github.com/ToRainu256/trans_image written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/ToRainu256/trans_image already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 29fdc19763d3dbe3557f57d03e64f39412aae96036231329b72a6cf1a88898ca [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "29fdc19763d3dbe3557f57d03e64f39412aae96036231329b72a6cf1a88898ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "29fdc19763d3dbe3557f57d03e64f39412aae96036231329b72a6cf1a88898ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "29fdc19763d3dbe3557f57d03e64f39412aae96036231329b72a6cf1a88898ca", kill_on_drop: false }` [INFO] [stdout] 29fdc19763d3dbe3557f57d03e64f39412aae96036231329b72a6cf1a88898ca [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 29a0785796ff24c7ebdc326370dc97d0fca324f332e191e76a0e209f418d0275 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "29a0785796ff24c7ebdc326370dc97d0fca324f332e191e76a0e209f418d0275", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling ndarray v0.13.0 [INFO] [stderr] Compiling strength_reduce v0.2.1 [INFO] [stderr] Compiling itertools v0.8.0 [INFO] [stderr] Compiling num-complex v0.1.43 [INFO] [stderr] Compiling num_cpus v1.9.0 [INFO] [stderr] Compiling rand v0.4.3 [INFO] [stderr] Compiling syn v0.15.25 [INFO] [stderr] Compiling num-rational v0.2.1 [INFO] [stderr] Compiling png v0.14.0 [INFO] [stderr] Compiling rustfft v3.0.0 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Compiling rayon v1.0.3 [INFO] [stderr] Compiling rustdct v0.4.0 [INFO] [stderr] Compiling num-bigint v0.1.44 [INFO] [stderr] Compiling num-rational v0.1.42 [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling jpeg-decoder v0.1.15 [INFO] [stderr] Compiling num-derive v0.2.3 [INFO] [stderr] Compiling tiff v0.2.1 [INFO] [stderr] Compiling image v0.21.0 [INFO] [stderr] Compiling dct_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `DynamicImage` [INFO] [stdout] --> src/main.rs:7:13 [INFO] [stdout] | [INFO] [stdout] 7 | use image::{DynamicImage, GenericImageView}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/main.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | #[warn(unused_imports)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `arr2` [INFO] [stdout] --> src/main.rs:8:15 [INFO] [stdout] | [INFO] [stdout] 8 | use ndarray::{arr2, Array, Array2}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rustdct::algorithm::type2and3_butterflies::Type2And3Butterfly8` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use rustdct::algorithm::type2and3_butterflies::Type2And3Butterfly8; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rustdct::DCTplanner` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use rustdct::DCTplanner; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `DCT2`, `DCT3` [INFO] [stdout] --> src/main.rs:11:15 [INFO] [stdout] | [INFO] [stdout] 11 | use rustdct::{DCT2, DCT3}; [INFO] [stdout] | ^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Sub` [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::ops::Sub; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::Arc` [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'ndarray::impl_constructors::>>::from_vec': use standard `from` [INFO] [stdout] --> src/main.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | Array::from_vec(dct_mat) [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'ndarray::impl_constructors::>>::from_vec': use standard `from` [INFO] [stdout] --> src/main.rs:46:15 [INFO] [stdout] | [INFO] [stdout] 46 | let mat = Array::from_vec(f64_pix.to_vec()) [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'ndarray::impl_2d::>>::rows': Renamed to .nrows(), please use the new name [INFO] [stdout] --> src/main.rs:73:17 [INFO] [stdout] | [INFO] [stdout] 73 | let h = mat.rows(); [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'ndarray::impl_2d::>>::cols': Renamed to .ncols(), please use the new name [INFO] [stdout] --> src/main.rs:74:17 [INFO] [stdout] | [INFO] [stdout] 74 | let w = mat.cols(); [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `w` [INFO] [stdout] --> src/main.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | let w = src_mat.ncols(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_w` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `h` [INFO] [stdout] --> src/main.rs:73:9 [INFO] [stdout] | [INFO] [stdout] 73 | let h = mat.rows(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_h` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `w` [INFO] [stdout] --> src/main.rs:74:9 [INFO] [stdout] | [INFO] [stdout] 74 | let w = mat.cols(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_w` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `last` [INFO] [stdout] --> src/main.rs:76:9 [INFO] [stdout] | [INFO] [stdout] 76 | let mut last: i32 = 0; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `range` [INFO] [stdout] --> src/main.rs:77:9 [INFO] [stdout] | [INFO] [stdout] 77 | let mut range: Vec = vec![]; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_range` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:72:9 [INFO] [stdout] | [INFO] [stdout] 72 | let mut mat = read_pic("./lenna256.bmp".to_string()); [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: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:76:9 [INFO] [stdout] | [INFO] [stdout] 76 | let mut last: i32 = 0; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:77:9 [INFO] [stdout] | [INFO] [stdout] 77 | let mut range: Vec = vec![]; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `N` should have a snake case name [INFO] [stdout] --> src/main.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let N = size as f64; [INFO] [stdout] | ^ help: convert the identifier to snake case: `n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 20 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 16.55s [INFO] running `Command { std: "docker" "inspect" "29a0785796ff24c7ebdc326370dc97d0fca324f332e191e76a0e209f418d0275", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "29a0785796ff24c7ebdc326370dc97d0fca324f332e191e76a0e209f418d0275", kill_on_drop: false }` [INFO] [stdout] 29a0785796ff24c7ebdc326370dc97d0fca324f332e191e76a0e209f418d0275 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bc9d3ada87ba07c3717c639e439481779629f71d3dea650ede831a4c574f2d49 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "bc9d3ada87ba07c3717c639e439481779629f71d3dea650ede831a4c574f2d49", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling dct_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `DynamicImage` [INFO] [stdout] --> src/main.rs:7:13 [INFO] [stdout] | [INFO] [stdout] 7 | use image::{DynamicImage, GenericImageView}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/main.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | #[warn(unused_imports)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `arr2` [INFO] [stdout] --> src/main.rs:8:15 [INFO] [stdout] | [INFO] [stdout] 8 | use ndarray::{arr2, Array, Array2}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rustdct::algorithm::type2and3_butterflies::Type2And3Butterfly8` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use rustdct::algorithm::type2and3_butterflies::Type2And3Butterfly8; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rustdct::DCTplanner` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use rustdct::DCTplanner; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `DCT2`, `DCT3` [INFO] [stdout] --> src/main.rs:11:15 [INFO] [stdout] | [INFO] [stdout] 11 | use rustdct::{DCT2, DCT3}; [INFO] [stdout] | ^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Sub` [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::ops::Sub; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::Arc` [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'ndarray::impl_constructors::>>::from_vec': use standard `from` [INFO] [stdout] --> src/main.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | Array::from_vec(dct_mat) [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'ndarray::impl_constructors::>>::from_vec': use standard `from` [INFO] [stdout] --> src/main.rs:46:15 [INFO] [stdout] | [INFO] [stdout] 46 | let mat = Array::from_vec(f64_pix.to_vec()) [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'ndarray::impl_2d::>>::rows': Renamed to .nrows(), please use the new name [INFO] [stdout] --> src/main.rs:73:17 [INFO] [stdout] | [INFO] [stdout] 73 | let h = mat.rows(); [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'ndarray::impl_2d::>>::cols': Renamed to .ncols(), please use the new name [INFO] [stdout] --> src/main.rs:74:17 [INFO] [stdout] | [INFO] [stdout] 74 | let w = mat.cols(); [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `w` [INFO] [stdout] --> src/main.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | let w = src_mat.ncols(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_w` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `h` [INFO] [stdout] --> src/main.rs:73:9 [INFO] [stdout] | [INFO] [stdout] 73 | let h = mat.rows(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_h` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `w` [INFO] [stdout] --> src/main.rs:74:9 [INFO] [stdout] | [INFO] [stdout] 74 | let w = mat.cols(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_w` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `last` [INFO] [stdout] --> src/main.rs:76:9 [INFO] [stdout] | [INFO] [stdout] 76 | let mut last: i32 = 0; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `range` [INFO] [stdout] --> src/main.rs:77:9 [INFO] [stdout] | [INFO] [stdout] 77 | let mut range: Vec = vec![]; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_range` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:72:9 [INFO] [stdout] | [INFO] [stdout] 72 | let mut mat = read_pic("./lenna256.bmp".to_string()); [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: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:76:9 [INFO] [stdout] | [INFO] [stdout] 76 | let mut last: i32 = 0; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:77:9 [INFO] [stdout] | [INFO] [stdout] 77 | let mut range: Vec = vec![]; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `N` should have a snake case name [INFO] [stdout] --> src/main.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let N = size as f64; [INFO] [stdout] | ^ help: convert the identifier to snake case: `n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 20 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.65s [INFO] running `Command { std: "docker" "inspect" "bc9d3ada87ba07c3717c639e439481779629f71d3dea650ede831a4c574f2d49", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bc9d3ada87ba07c3717c639e439481779629f71d3dea650ede831a4c574f2d49", kill_on_drop: false }` [INFO] [stdout] bc9d3ada87ba07c3717c639e439481779629f71d3dea650ede831a4c574f2d49 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 5d1b0269b3505f6b953c284d8ba7bf7b58b3c3febb96d26eac06522f79755faa [INFO] running `Command { std: "docker" "start" "-a" "5d1b0269b3505f6b953c284d8ba7bf7b58b3c3febb96d26eac06522f79755faa", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `DynamicImage` [INFO] [stderr] --> src/main.rs:7:13 [INFO] [stderr] | [INFO] [stderr] 7 | use image::{DynamicImage, GenericImageView}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/main.rs:6:8 [INFO] [stderr] | [INFO] [stderr] 6 | #[warn(unused_imports)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `arr2` [INFO] [stderr] --> src/main.rs:8:15 [INFO] [stderr] | [INFO] [stderr] 8 | use ndarray::{arr2, Array, Array2}; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `rustdct::algorithm::type2and3_butterflies::Type2And3Butterfly8` [INFO] [stderr] --> src/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use rustdct::algorithm::type2and3_butterflies::Type2And3Butterfly8; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rustdct::DCTplanner` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use rustdct::DCTplanner; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `DCT2`, `DCT3` [INFO] [stderr] --> src/main.rs:11:15 [INFO] [stderr] | [INFO] [stderr] 11 | use rustdct::{DCT2, DCT3}; [INFO] [stderr] | ^^^^ ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::ops::Sub` [INFO] [stderr] --> src/main.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use std::ops::Sub; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::sync::Arc` [INFO] [stderr] --> src/main.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use std::sync::Arc; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'ndarray::impl_constructors::>>::from_vec': use standard `from` [INFO] [stderr] --> src/main.rs:35:5 [INFO] [stderr] | [INFO] [stderr] 35 | Array::from_vec(dct_mat) [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'ndarray::impl_constructors::>>::from_vec': use standard `from` [INFO] [stderr] --> src/main.rs:46:15 [INFO] [stderr] | [INFO] [stderr] 46 | let mat = Array::from_vec(f64_pix.to_vec()) [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'ndarray::impl_2d::>>::rows': Renamed to .nrows(), please use the new name [INFO] [stderr] --> src/main.rs:73:17 [INFO] [stderr] | [INFO] [stderr] 73 | let h = mat.rows(); [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'ndarray::impl_2d::>>::cols': Renamed to .ncols(), please use the new name [INFO] [stderr] --> src/main.rs:74:17 [INFO] [stderr] | [INFO] [stderr] 74 | let w = mat.cols(); [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `w` [INFO] [stderr] --> src/main.rs:57:9 [INFO] [stderr] | [INFO] [stderr] 57 | let w = src_mat.ncols(); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_w` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `h` [INFO] [stderr] --> src/main.rs:73:9 [INFO] [stderr] | [INFO] [stderr] 73 | let h = mat.rows(); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_h` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `w` [INFO] [stderr] --> src/main.rs:74:9 [INFO] [stderr] | [INFO] [stderr] 74 | let w = mat.cols(); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_w` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `last` [INFO] [stderr] --> src/main.rs:76:9 [INFO] [stderr] | [INFO] [stderr] 76 | let mut last: i32 = 0; [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `range` [INFO] [stderr] --> src/main.rs:77:9 [INFO] [stderr] | [INFO] [stderr] 77 | let mut range: Vec = vec![]; [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_range` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:72:9 [INFO] [stderr] | [INFO] [stderr] 72 | let mut mat = read_pic("./lenna256.bmp".to_string()); [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:76:9 [INFO] [stderr] | [INFO] [stderr] 76 | let mut last: i32 = 0; [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/main.rs:77:9 [INFO] [stderr] | [INFO] [stderr] 77 | let mut range: Vec = vec![]; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable `N` should have a snake case name [INFO] [stderr] --> src/main.rs:17:9 [INFO] [stderr] | [INFO] [stderr] 17 | let N = size as f64; [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: 20 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.32s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/dct_rust-65ac1566e2d054d6 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "5d1b0269b3505f6b953c284d8ba7bf7b58b3c3febb96d26eac06522f79755faa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d1b0269b3505f6b953c284d8ba7bf7b58b3c3febb96d26eac06522f79755faa", kill_on_drop: false }` [INFO] [stdout] 5d1b0269b3505f6b953c284d8ba7bf7b58b3c3febb96d26eac06522f79755faa