[INFO] cloning repository https://github.com/Ryan1202/my-tiny-jpeg-viewer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ryan1202/my-tiny-jpeg-viewer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyan1202%2Fmy-tiny-jpeg-viewer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyan1202%2Fmy-tiny-jpeg-viewer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] af88c3dbf1c35711ef760691ebaaf8ffb96ed242
[INFO] checking Ryan1202/my-tiny-jpeg-viewer against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyan1202%2Fmy-tiny-jpeg-viewer" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Ryan1202/my-tiny-jpeg-viewer
[INFO] finished tweaking git repo https://github.com/Ryan1202/my-tiny-jpeg-viewer
[INFO] tweaked toml for git repo https://github.com/Ryan1202/my-tiny-jpeg-viewer written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Ryan1202/my-tiny-jpeg-viewer on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Ryan1202/my-tiny-jpeg-viewer 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: build
[INFO] [stderr] help: build is a valid .cargo/config.toml key
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5fa6bb3185e6399f6739c2211a867ee1a815c653ba78da2cee0609624c7ba743
[INFO] running `Command { std: "docker" "start" "-a" "5fa6bb3185e6399f6739c2211a867ee1a815c653ba78da2cee0609624c7ba743", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fa6bb3185e6399f6739c2211a867ee1a815c653ba78da2cee0609624c7ba743", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fa6bb3185e6399f6739c2211a867ee1a815c653ba78da2cee0609624c7ba743", kill_on_drop: false }`
[INFO] [stdout] 5fa6bb3185e6399f6739c2211a867ee1a815c653ba78da2cee0609624c7ba743
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c23b4207a988f7f1d0193fd37735bc07c91df718c03599db02d539e333bcc71
[INFO] running `Command { std: "docker" "start" "-a" "4c23b4207a988f7f1d0193fd37735bc07c91df718c03599db02d539e333bcc71", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: build
[INFO] [stderr] help: build is a valid .cargo/config.toml key
[INFO] [stderr]    Compiling libc v0.2.155
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[INFO] [stderr]    Compiling proc-macro-crate v3.1.0
[INFO] [stderr]     Checking jpeg-decoder v0.3.1
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[INFO] [stderr]     Checking tiff v0.9.1
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[INFO] [stderr]     Checking clipboard_x11 v0.4.2
[INFO] [stderr]     Checking iced_runtime v0.12.1
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[INFO] [stderr]     Checking wgpu-core v0.19.4
[INFO] [stderr]     Checking iced_graphics v0.12.1
[INFO] [stderr]     Checking iced_tiny_skia v0.12.1
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[INFO] [stderr]     Checking ashpd v0.8.1
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[INFO] [stderr]     Checking iced_wgpu v0.12.1
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[INFO] [stderr]     Checking iced_widget v0.12.3
[INFO] [stderr]     Checking iced v0.12.1
[INFO] [stderr]     Checking my-tiny-jpeg-decoder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `path::Path` and `rc::Rc`
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     path::Path,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 5 |     rc::Rc,
[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 imports: `path::Path` and `rc::Rc`
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     path::Path,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 5 |     rc::Rc,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `i` is assigned to, but never used
[INFO] [stdout]    --> src/segment/mod.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 137 |         let mut i = 0;
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_i` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]    --> src/segment/mod.rs:149:13
[INFO] [stdout]     |
[INFO] [stdout] 149 |             i += 1;
[INFO] [stdout]     |             ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `i` is assigned to, but never used
[INFO] [stdout]    --> src/segment/mod.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 137 |         let mut i = 0;
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_i` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `flags`
[INFO] [stdout]   --> src/ui/mod.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn new(flags: Self::Flags) -> (Self, iced::Command<Self::Message>) {
[INFO] [stdout]    |            ^^^^^ help: if this is intentional, prefix it with an underscore: `_flags`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]    --> src/segment/mod.rs:149:13
[INFO] [stdout]     |
[INFO] [stdout] 149 |             i += 1;
[INFO] [stdout]     |             ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `flags`
[INFO] [stdout]   --> src/ui/mod.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn new(flags: Self::Flags) -> (Self, iced::Command<Self::Message>) {
[INFO] [stdout]    |            ^^^^^ help: if this is intentional, prefix it with an underscore: `_flags`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ed`
[INFO] [stdout]    --> src/lib.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |     let ed = ed.unwrap();
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_ed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]  --> src/application/jfif.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct JFIF {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 3 |     version: String,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 4 |     units: u8,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 5 |     x_density: u16,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 6 |     y_density: u16,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 7 |     x_thumbnail: u8,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 8 |     y_thumbnail: u8,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 9 |     nail_data: Vec<u8>,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `JFIF` 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 variable: `ed`
[INFO] [stdout]    --> src/lib.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |     let ed = ed.unwrap();
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_ed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ui/mod.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn view(&self) -> Element<Self::Message> {
[INFO] [stdout]    |             ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |             |
[INFO] [stdout]    |             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn view(&self) -> Element<'_, Self::Message> {
[INFO] [stdout]    |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]  --> src/application/jfif.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct JFIF {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 3 |     version: String,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 4 |     units: u8,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 5 |     x_density: u16,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 6 |     y_density: u16,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 7 |     x_thumbnail: u8,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 8 |     y_thumbnail: u8,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 9 |     nail_data: Vec<u8>,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `JFIF` 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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ui/mod.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn view(&self) -> Element<Self::Message> {
[INFO] [stdout]    |             ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |             |
[INFO] [stdout]    |             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn view(&self) -> Element<'_, Self::Message> {
[INFO] [stdout]    |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::future::IntoFuture`
[INFO] [stdout]  --> benches/bench.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::future::IntoFuture;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> benches/bench.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut data = [[1f32; 8]; 8];
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 30s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: ashpd v0.8.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "4c23b4207a988f7f1d0193fd37735bc07c91df718c03599db02d539e333bcc71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c23b4207a988f7f1d0193fd37735bc07c91df718c03599db02d539e333bcc71", kill_on_drop: false }`
[INFO] [stdout] 4c23b4207a988f7f1d0193fd37735bc07c91df718c03599db02d539e333bcc71
