[INFO] cloning repository https://github.com/lesguillemets/effective-fortnight
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flesguillemets%2Feffective-fortnight'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b2cd88ee8005042e87ea682c8dac2e5b183c94de
[INFO] checking lesguillemets/effective-fortnight against master#03c609abb6638f9d7f49f34326d4137d07f5cd61 for pr-155945
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flesguillemets%2Feffective-fortnight" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[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-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lesguillemets/effective-fortnight on toolchain 03c609abb6638f9d7f49f34326d4137d07f5cd61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lesguillemets/effective-fortnight 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" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-traits v0.1.37
[INFO] [stderr]   Downloaded num-iter v0.1.33
[INFO] [stderr]   Downloaded num-integer v0.1.34
[INFO] [stderr]   Downloaded png v0.6.2
[INFO] [stderr]   Downloaded image v0.12.3
[INFO] [stderr]   Downloaded num_cpus v1.3.0
[INFO] [stderr]   Downloaded adler32 v1.0.0
[INFO] [stderr]   Downloaded num-rational v0.1.36
[INFO] [stderr]   Downloaded enum_primitive v0.1.1
[INFO] [stderr]   Downloaded byteorder v1.0.0
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.12
[INFO] [stderr]   Downloaded rayon-core v1.0.0
[INFO] [stderr]   Downloaded gif v0.9.1
[INFO] [stderr]   Downloaded rayon v0.7.0
[INFO] [stderr]   Downloaded deflate v0.7.6
[INFO] [stderr]   Downloaded libc v0.2.21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 235249f07ac7cf9abd01ff8e20d46ba7c772b6bf4d95156cc2ea35c871468eb0
[INFO] running `Command { std: "docker" "start" "-a" "235249f07ac7cf9abd01ff8e20d46ba7c772b6bf4d95156cc2ea35c871468eb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "235249f07ac7cf9abd01ff8e20d46ba7c772b6bf4d95156cc2ea35c871468eb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "235249f07ac7cf9abd01ff8e20d46ba7c772b6bf4d95156cc2ea35c871468eb0", kill_on_drop: false }`
[INFO] [stdout] 235249f07ac7cf9abd01ff8e20d46ba7c772b6bf4d95156cc2ea35c871468eb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 503f4d8b8d7ecd029a8cb308084939b00ce13bcaf3fa6993f4745a968c86786c
[INFO] running `Command { std: "docker" "start" "-a" "503f4d8b8d7ecd029a8cb308084939b00ce13bcaf3fa6993f4745a968c86786c", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]    Compiling rayon-core v1.0.0
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]     Checking adler32 v1.0.0
[INFO] [stderr]     Checking color_quant v1.0.0
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking inflate v0.1.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.7
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking deflate v0.7.6
[INFO] [stderr]     Checking gif v0.9.1
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking num_cpus v1.3.0
[INFO] [stderr]     Checking num-integer v0.1.34
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking num-iter v0.1.33
[INFO] [stderr]     Checking deque v0.3.1
[INFO] [stderr]     Checking num-rational v0.1.36
[INFO] [stderr]     Checking rayon v0.7.0
[INFO] [stderr]     Checking png v0.6.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.12
[INFO] [stderr]     Checking image v0.12.3
[INFO] [stderr]     Checking colourful-converter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ColorType` and `Rgb`
[INFO] [stdout]  --> src/decode.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use image::{ColorType, Rgb, Pixel};
[INFO] [stdout]   |             ^^^^^^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     /// decode the encoded file to validate
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 20 |     let test_file = from_file.clone() + ".redecoded";
[INFO] [stdout]    |     ------------------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ColorType` and `Rgb`
[INFO] [stdout]  --> src/decode.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use image::{ColorType, Rgb, Pixel};
[INFO] [stdout]   |             ^^^^^^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     /// decode the encoded file to validate
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 20 |     let test_file = from_file.clone() + ".redecoded";
[INFO] [stdout]    |     ------------------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GenericImage`
[INFO] [stdout]  --> src/decode.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use image::{GenericImage, ImageDecoder};
[INFO] [stdout]   |             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Pixel`
[INFO] [stdout]  --> src/decode.rs:4:29
[INFO] [stdout]   |
[INFO] [stdout] 4 | use image::{ColorType, Rgb, Pixel};
[INFO] [stdout]   |                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]   --> src/decode.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let (w, h) = decoder.dimensions().expect("cannot get file dimensions");
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/decode.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let mut header = body.next().expect("empty body");
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/decode.rs:73:60
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let mut x = header.chunks(3).enumerate().skip_while(|&(i, p)| is_empty(p));
[INFO] [stdout]    |                                                            ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut outf = &mut File::create(&Path::new(to_file)).expect("fileerror");
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `size` is never read
[INFO] [stdout]   --> src/decode.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct DecodeInfo {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 27 |     size: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DecodeInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     test.write(&decode_file("out.png"));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let _ = test.write(&decode_file("out.png"));
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     image::ImageRgb8(imgbuf).save(outf, image::PNG);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let _ = image::ImageRgb8(imgbuf).save(outf, image::PNG);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GenericImage`
[INFO] [stdout]  --> src/decode.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use image::{GenericImage, ImageDecoder};
[INFO] [stdout]   |             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Pixel`
[INFO] [stdout]  --> src/decode.rs:4:29
[INFO] [stdout]   |
[INFO] [stdout] 4 | use image::{ColorType, Rgb, Pixel};
[INFO] [stdout]   |                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]   --> src/decode.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let (w, h) = decoder.dimensions().expect("cannot get file dimensions");
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/decode.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let mut header = body.next().expect("empty body");
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/decode.rs:73:60
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let mut x = header.chunks(3).enumerate().skip_while(|&(i, p)| is_empty(p));
[INFO] [stdout]    |                                                            ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut outf = &mut File::create(&Path::new(to_file)).expect("fileerror");
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `size` is never read
[INFO] [stdout]   --> src/decode.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct DecodeInfo {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 27 |     size: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DecodeInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     test.write(&decode_file("out.png"));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let _ = test.write(&decode_file("out.png"));
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     image::ImageRgb8(imgbuf).save(outf, image::PNG);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let _ = image::ImageRgb8(imgbuf).save(outf, image::PNG);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.94s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.7.0
[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" "503f4d8b8d7ecd029a8cb308084939b00ce13bcaf3fa6993f4745a968c86786c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "503f4d8b8d7ecd029a8cb308084939b00ce13bcaf3fa6993f4745a968c86786c", kill_on_drop: false }`
[INFO] [stdout] 503f4d8b8d7ecd029a8cb308084939b00ce13bcaf3fa6993f4745a968c86786c
