[INFO] crate rust-image-to-ascii 0.1.0 is already in cache [INFO] extracting crate rust-image-to-ascii 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/rust-image-to-ascii/0.1.0 [INFO] extracting crate rust-image-to-ascii 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rust-image-to-ascii/0.1.0 [INFO] validating manifest of rust-image-to-ascii-0.1.0 on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of rust-image-to-ascii-0.1.0 on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing rust-image-to-ascii-0.1.0 [INFO] finished frobbing rust-image-to-ascii-0.1.0 [INFO] frobbed toml for rust-image-to-ascii-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rust-image-to-ascii/0.1.0/Cargo.toml [INFO] started frobbing rust-image-to-ascii-0.1.0 [INFO] finished frobbing rust-image-to-ascii-0.1.0 [INFO] frobbed toml for rust-image-to-ascii-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rust-image-to-ascii/0.1.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] testing rust-image-to-ascii-0.1.0 against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rust-image-to-ascii/0.1.0:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 98295635e6c9cd98cc95396ce57c41d908c2a2bcb9f840fdd0b72f73d1e97bf3 [INFO] running `"docker" "start" "-a" "98295635e6c9cd98cc95396ce57c41d908c2a2bcb9f840fdd0b72f73d1e97bf3"` [INFO] [stderr] Compiling inflate v0.1.1 [INFO] [stderr] Compiling want v0.0.4 [INFO] [stderr] Compiling uuid v0.6.5 [INFO] [stderr] Compiling openssl v0.9.24 [INFO] [stderr] Compiling tokio-io v0.1.12 [INFO] [stderr] Compiling flate2 v0.2.20 [INFO] [stderr] Compiling serde_urlencoded v0.5.5 [INFO] [stderr] Compiling num-bigint v0.1.44 [INFO] [stderr] Compiling tokio-codec v0.1.1 [INFO] [stderr] Compiling tokio-reactor v0.1.9 [INFO] [stderr] Compiling tokio-fs v0.1.6 [INFO] [stderr] Compiling tokio-tcp v0.1.3 [INFO] [stderr] Compiling tokio-uds v0.2.5 [INFO] [stderr] Compiling tokio-udp v0.1.3 [INFO] [stderr] Compiling num-rational v0.1.42 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling image v0.10.4 [INFO] [stderr] Compiling png v0.5.2 [INFO] [stderr] Compiling native-tls v0.1.5 [INFO] [stderr] Compiling tokio-core v0.1.17 [INFO] [stderr] Compiling tokio-tls v0.1.4 [INFO] [stderr] Compiling hyper v0.11.27 [INFO] [stderr] Compiling raster v0.2.0 [INFO] [stderr] Compiling hyper-tls v0.1.4 [INFO] [stderr] Compiling reqwest v0.8.8 [INFO] [stderr] Compiling rust-image-to-ascii v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `raster::Image` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use raster::Image; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:57:8 [INFO] [stderr] | [INFO] [stderr] 57 | if (type_str == "image/jpeg") { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:61:8 [INFO] [stderr] | [INFO] [stderr] 61 | if (type_str == "image/png") { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:86:9 [INFO] [stderr] | [INFO] [stderr] 86 | for i in 0..size { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:138:9 [INFO] [stderr] | [INFO] [stderr] 138 | for i in 0..max_size { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:48:9 [INFO] [stderr] | [INFO] [stderr] 48 | for mut line in image_type.iter() { [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:49:13 [INFO] [stderr] | [INFO] [stderr] 49 | let mut l = &mut line.to_owned(); [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:90:9 [INFO] [stderr] | [INFO] [stderr] 90 | let mut chars_s = " .-:*+=%@#"; [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:91:9 [INFO] [stderr] | [INFO] [stderr] 91 | let mut chars = chars_s.chars(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_save` [INFO] [stderr] --> src/main.rs:117:1 [INFO] [stderr] | [INFO] [stderr] 117 | fn test_save(avg: Vec>, size: i32) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:78:5 [INFO] [stderr] | [INFO] [stderr] 78 | file.write_all(&buf[..]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:122:13 [INFO] [stderr] | [INFO] [stderr] 122 | image.set_pixel(row, col, Color {r: 0, g: 0, b: 0, a: avg[(size - row - 1) as usize][(size - col - 1) as usize] as u8}); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: variable `imageLocation` should have a snake case name [INFO] [stderr] --> src/main.rs:128:12 [INFO] [stderr] | [INFO] [stderr] 128 | fn process(imageLocation: &String) [INFO] [stderr] | ^^^^^^^^^^^^^ help: convert the identifier to snake case: `image_location` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 41.38s [INFO] running `"docker" "inspect" "98295635e6c9cd98cc95396ce57c41d908c2a2bcb9f840fdd0b72f73d1e97bf3"` [INFO] running `"docker" "rm" "-f" "98295635e6c9cd98cc95396ce57c41d908c2a2bcb9f840fdd0b72f73d1e97bf3"` [INFO] [stdout] 98295635e6c9cd98cc95396ce57c41d908c2a2bcb9f840fdd0b72f73d1e97bf3 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rust-image-to-ascii/0.1.0:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] 9e6d387ec58478274709742a3544fb1ecce846e172538bffeb88b31b07ab1418 [INFO] running `"docker" "start" "-a" "9e6d387ec58478274709742a3544fb1ecce846e172538bffeb88b31b07ab1418"` [INFO] [stderr] Compiling rust-image-to-ascii v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `raster::Image` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use raster::Image; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:57:8 [INFO] [stderr] | [INFO] [stderr] 57 | if (type_str == "image/jpeg") { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:61:8 [INFO] [stderr] | [INFO] [stderr] 61 | if (type_str == "image/png") { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:86:9 [INFO] [stderr] | [INFO] [stderr] 86 | for i in 0..size { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:138:9 [INFO] [stderr] | [INFO] [stderr] 138 | for i in 0..max_size { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:48:9 [INFO] [stderr] | [INFO] [stderr] 48 | for mut line in image_type.iter() { [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:49:13 [INFO] [stderr] | [INFO] [stderr] 49 | let mut l = &mut line.to_owned(); [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:90:9 [INFO] [stderr] | [INFO] [stderr] 90 | let mut chars_s = " .-:*+=%@#"; [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:91:9 [INFO] [stderr] | [INFO] [stderr] 91 | let mut chars = chars_s.chars(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_save` [INFO] [stderr] --> src/main.rs:117:1 [INFO] [stderr] | [INFO] [stderr] 117 | fn test_save(avg: Vec>, size: i32) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:78:5 [INFO] [stderr] | [INFO] [stderr] 78 | file.write_all(&buf[..]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:122:13 [INFO] [stderr] | [INFO] [stderr] 122 | image.set_pixel(row, col, Color {r: 0, g: 0, b: 0, a: avg[(size - row - 1) as usize][(size - col - 1) as usize] as u8}); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: variable `imageLocation` should have a snake case name [INFO] [stderr] --> src/main.rs:128:12 [INFO] [stderr] | [INFO] [stderr] 128 | fn process(imageLocation: &String) [INFO] [stderr] | ^^^^^^^^^^^^^ help: convert the identifier to snake case: `image_location` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.85s [INFO] running `"docker" "inspect" "9e6d387ec58478274709742a3544fb1ecce846e172538bffeb88b31b07ab1418"` [INFO] running `"docker" "rm" "-f" "9e6d387ec58478274709742a3544fb1ecce846e172538bffeb88b31b07ab1418"` [INFO] [stdout] 9e6d387ec58478274709742a3544fb1ecce846e172538bffeb88b31b07ab1418 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rust-image-to-ascii/0.1.0:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] 0a93ae251dc1462cec9c949bbbea54b41e011e238e580fbfc7df916cda88fc24 [INFO] running `"docker" "start" "-a" "0a93ae251dc1462cec9c949bbbea54b41e011e238e580fbfc7df916cda88fc24"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.19s [INFO] [stderr] Running /opt/crater/target/debug/deps/rust_image_to_ascii-f48022eb6663819e [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 `"docker" "inspect" "0a93ae251dc1462cec9c949bbbea54b41e011e238e580fbfc7df916cda88fc24"` [INFO] running `"docker" "rm" "-f" "0a93ae251dc1462cec9c949bbbea54b41e011e238e580fbfc7df916cda88fc24"` [INFO] [stdout] 0a93ae251dc1462cec9c949bbbea54b41e011e238e580fbfc7df916cda88fc24