[INFO] updating cached repository lesguillemets/effective-fortnight [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/lesguillemets/effective-fortnight [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/lesguillemets/effective-fortnight" "work/ex/beta-1.38-1/sources/1.37.0/gh/lesguillemets/effective-fortnight"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/lesguillemets/effective-fortnight'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/lesguillemets/effective-fortnight" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lesguillemets/effective-fortnight"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lesguillemets/effective-fortnight'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] b2cd88ee8005042e87ea682c8dac2e5b183c94de [INFO] sha for GitHub repo lesguillemets/effective-fortnight: b2cd88ee8005042e87ea682c8dac2e5b183c94de [INFO] validating manifest of lesguillemets/effective-fortnight 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 lesguillemets/effective-fortnight 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 lesguillemets/effective-fortnight [INFO] finished frobbing lesguillemets/effective-fortnight [INFO] frobbed toml for lesguillemets/effective-fortnight written to work/ex/beta-1.38-1/sources/1.37.0/gh/lesguillemets/effective-fortnight/Cargo.toml [INFO] started frobbing lesguillemets/effective-fortnight [INFO] finished frobbing lesguillemets/effective-fortnight [INFO] frobbed toml for lesguillemets/effective-fortnight written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lesguillemets/effective-fortnight/Cargo.toml [INFO] crate lesguillemets/effective-fortnight already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing lesguillemets/effective-fortnight against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/lesguillemets/effective-fortnight:/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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 269a3893bd1d4cfad0146a16e2e30d94538ac50604dd909a0a663a88690d94ce [INFO] running `"docker" "start" "-a" "269a3893bd1d4cfad0146a16e2e30d94538ac50604dd909a0a663a88690d94ce"` [INFO] [stderr] Compiling num-integer v0.1.34 [INFO] [stderr] Compiling deflate v0.7.6 [INFO] [stderr] Compiling rayon-core v1.0.0 [INFO] [stderr] Compiling num-iter v0.1.33 [INFO] [stderr] Compiling num-rational v0.1.36 [INFO] [stderr] Compiling rayon v0.7.0 [INFO] [stderr] Compiling png v0.6.2 [INFO] [stderr] Compiling jpeg-decoder v0.1.12 [INFO] [stderr] Compiling image v0.12.3 [INFO] [stderr] Compiling colourful-converter v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/main.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | /// decode the encoded file to validate [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 20 | let test_file = from_file.clone() + ".redecoded"; [INFO] [stderr] | ------------------------------------------------- rustdoc does not generate documentation for statements [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_doc_comments)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `ColorType`, `Rgb` [INFO] [stderr] --> src/decode.rs:4:13 [INFO] [stderr] | [INFO] [stderr] 4 | use image::{ColorType, Rgb, Pixel}; [INFO] [stderr] | ^^^^^^^^^ ^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `GenericImage` [INFO] [stderr] --> src/decode.rs:3:13 [INFO] [stderr] | [INFO] [stderr] 3 | use image::{GenericImage, ImageDecoder}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Pixel` [INFO] [stderr] --> src/decode.rs:4:29 [INFO] [stderr] | [INFO] [stderr] 4 | use image::{ColorType, Rgb, Pixel}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `w` [INFO] [stderr] --> src/decode.rs:11:10 [INFO] [stderr] | [INFO] [stderr] 11 | let (w, h) = decoder.dimensions().expect("cannot get file dimensions"); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_w` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/decode.rs:73:60 [INFO] [stderr] | [INFO] [stderr] 73 | let mut x = header.chunks(3).enumerate().skip_while(|&(i, p)| is_empty(p)); [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:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | let mut outf = &mut File::create(&Path::new(to_file)).expect("fileerror"); [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/decode.rs:46:9 [INFO] [stderr] | [INFO] [stderr] 46 | let mut header = body.next().expect("empty body"); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | test.write(&decode_file("out.png")); [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:30:5 [INFO] [stderr] | [INFO] [stderr] 30 | image::ImageRgb8(imgbuf).save(outf, image::PNG); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 28.37s [INFO] running `"docker" "inspect" "269a3893bd1d4cfad0146a16e2e30d94538ac50604dd909a0a663a88690d94ce"` [INFO] running `"docker" "rm" "-f" "269a3893bd1d4cfad0146a16e2e30d94538ac50604dd909a0a663a88690d94ce"` [INFO] [stdout] 269a3893bd1d4cfad0146a16e2e30d94538ac50604dd909a0a663a88690d94ce [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/lesguillemets/effective-fortnight:/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" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 283b559753603ef6de20fde167ec85478a08ac8b324956713ecf3581f440d91c [INFO] running `"docker" "start" "-a" "283b559753603ef6de20fde167ec85478a08ac8b324956713ecf3581f440d91c"` [INFO] [stderr] Compiling colourful-converter v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/main.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | /// decode the encoded file to validate [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 20 | let test_file = from_file.clone() + ".redecoded"; [INFO] [stderr] | ------------------------------------------------- rustdoc does not generate documentation for statements [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_doc_comments)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `ColorType`, `Rgb` [INFO] [stderr] --> src/decode.rs:4:13 [INFO] [stderr] | [INFO] [stderr] 4 | use image::{ColorType, Rgb, Pixel}; [INFO] [stderr] | ^^^^^^^^^ ^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `GenericImage` [INFO] [stderr] --> src/decode.rs:3:13 [INFO] [stderr] | [INFO] [stderr] 3 | use image::{GenericImage, ImageDecoder}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Pixel` [INFO] [stderr] --> src/decode.rs:4:29 [INFO] [stderr] | [INFO] [stderr] 4 | use image::{ColorType, Rgb, Pixel}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `w` [INFO] [stderr] --> src/decode.rs:11:10 [INFO] [stderr] | [INFO] [stderr] 11 | let (w, h) = decoder.dimensions().expect("cannot get file dimensions"); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_w` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/decode.rs:73:60 [INFO] [stderr] | [INFO] [stderr] 73 | let mut x = header.chunks(3).enumerate().skip_while(|&(i, p)| is_empty(p)); [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:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | let mut outf = &mut File::create(&Path::new(to_file)).expect("fileerror"); [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/decode.rs:46:9 [INFO] [stderr] | [INFO] [stderr] 46 | let mut header = body.next().expect("empty body"); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | test.write(&decode_file("out.png")); [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:30:5 [INFO] [stderr] | [INFO] [stderr] 30 | image::ImageRgb8(imgbuf).save(outf, image::PNG); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.03s [INFO] running `"docker" "inspect" "283b559753603ef6de20fde167ec85478a08ac8b324956713ecf3581f440d91c"` [INFO] running `"docker" "rm" "-f" "283b559753603ef6de20fde167ec85478a08ac8b324956713ecf3581f440d91c"` [INFO] [stdout] 283b559753603ef6de20fde167ec85478a08ac8b324956713ecf3581f440d91c [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/lesguillemets/effective-fortnight:/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" "+1.37.0" "test" "--frozen"` [INFO] [stdout] 138f2bbd23d8f7bab2f88999f299fa0257d81b3f68b7cf49c9400503e67ced78 [INFO] running `"docker" "start" "-a" "138f2bbd23d8f7bab2f88999f299fa0257d81b3f68b7cf49c9400503e67ced78"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running /opt/crater/target/debug/deps/colourful_converter-e502376489836b32 [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" "138f2bbd23d8f7bab2f88999f299fa0257d81b3f68b7cf49c9400503e67ced78"` [INFO] running `"docker" "rm" "-f" "138f2bbd23d8f7bab2f88999f299fa0257d81b3f68b7cf49c9400503e67ced78"` [INFO] [stdout] 138f2bbd23d8f7bab2f88999f299fa0257d81b3f68b7cf49c9400503e67ced78