[INFO] cloning repository https://github.com/lesguillemets/effective-fortnight [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lesguillemets/effective-fortnight" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flesguillemets%2Feffective-fortnight"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flesguillemets%2Feffective-fortnight'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] b2cd88ee8005042e87ea682c8dac2e5b183c94de [INFO] checking lesguillemets/effective-fortnight against try#ba14a92a10441c4b839ce71e6ef5f7a48bbff18f for prs-64470-and-65389 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flesguillemets%2Feffective-fortnight" "/workspace/builds/worker-5/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lesguillemets/effective-fortnight on toolchain ba14a92a10441c4b839ce71e6ef5f7a48bbff18f [INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/lesguillemets/effective-fortnight [INFO] finished tweaking git repo https://github.com/lesguillemets/effective-fortnight [INFO] tweaked toml for git repo https://github.com/lesguillemets/effective-fortnight written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/lesguillemets/effective-fortnight already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"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=forbid" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 9ea54f996bc65906cbb9c9bc592ab469cc689c456dfba10f3657967c7365b0eb [INFO] running `"docker" "start" "-a" "9ea54f996bc65906cbb9c9bc592ab469cc689c456dfba10f3657967c7365b0eb"` [INFO] [stderr] Checking colourful-converter v0.1.0 (/opt/rustwide/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 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 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 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 `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] 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 2.73s [INFO] running `"docker" "inspect" "9ea54f996bc65906cbb9c9bc592ab469cc689c456dfba10f3657967c7365b0eb"` [INFO] running `"docker" "rm" "-f" "9ea54f996bc65906cbb9c9bc592ab469cc689c456dfba10f3657967c7365b0eb"` [INFO] [stdout] 9ea54f996bc65906cbb9c9bc592ab469cc689c456dfba10f3657967c7365b0eb