[INFO] fetching crate microui-redux 0.3.0...
[INFO] checking microui-redux-0.3.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate microui-redux 0.3.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate microui-redux 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate microui-redux 0.3.0
[INFO] tweaked toml for crates.io crate microui-redux 0.3.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate microui-redux 0.3.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate microui-redux 0.3.0 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4396a497f91d6dd5fb2b8458b59e30b9e4c9a03dbb21b9d95ad20ebd093c6026
[INFO] running `Command { std: "docker" "start" "-a" "4396a497f91d6dd5fb2b8458b59e30b9e4c9a03dbb21b9d95ad20ebd093c6026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4396a497f91d6dd5fb2b8458b59e30b9e4c9a03dbb21b9d95ad20ebd093c6026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4396a497f91d6dd5fb2b8458b59e30b9e4c9a03dbb21b9d95ad20ebd093c6026", kill_on_drop: false }`
[INFO] [stdout] 4396a497f91d6dd5fb2b8458b59e30b9e4c9a03dbb21b9d95ad20ebd093c6026
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b72fcd24b3bb9862a9d8252c16d7065f17416301a1478458fedc7b2a94e111d2
[INFO] running `Command { std: "docker" "start" "-a" "b72fcd24b3bb9862a9d8252c16d7065f17416301a1478458fedc7b2a94e111d2", kill_on_drop: false }`
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]     Checking crc32fast v1.5.0
[INFO] [stderr]     Checking ttf-parser v0.21.1
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]    Compiling microui-redux v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bitflags v2.9.3
[INFO] [stderr]     Checking rs-math3d v0.9.24
[INFO] [stderr]     Checking flate2 v1.1.2
[INFO] [stderr]    Compiling sdl2 v0.38.0
[INFO] [stderr]     Checking glow v0.16.0
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]    Compiling sdl2-sys v0.38.0
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking png v0.18.0
[INFO] [stderr]     Checking fontdue v0.9.3
[INFO] [stdout] warning: value assigned to `tr` is never read
[INFO] [stdout]    --> src/window.rs:153:17
[INFO] [stdout]     |
[INFO] [stdout] 153 |                 tr.width -= r.width;
[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] error: this type will no longer be must used: std::result::Result<String, Infallible>
[INFO] [stdout]    --> src/atlas.rs:577:25
[INFO] [stdout]     |
[INFO] [stdout] 577 |         let mut icons = String::from_str("&[\n").unwrap();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<String, Infallible>
[INFO] [stdout]    --> src/atlas.rs:588:25
[INFO] [stdout]     |
[INFO] [stdout] 588 |         let mut slots = String::from_str("&[\n").unwrap();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<String, Infallible>
[INFO] [stdout]    --> src/atlas.rs:593:25
[INFO] [stdout]     |
[INFO] [stdout] 593 |         let mut fonts = String::from_str("&[\n").unwrap();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<String, Infallible>
[INFO] [stdout]    --> src/atlas.rs:595:36
[INFO] [stdout]     |
[INFO] [stdout] 595 |             let mut char_entries = String::from_str("&[\n").unwrap();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<String, Infallible>
[INFO] [stdout]    --> src/atlas.rs:598:29
[INFO] [stdout]     |
[INFO] [stdout] 598 |                     '\'' => String::from_str("\\'").unwrap(),
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<String, Infallible>
[INFO] [stdout]    --> src/atlas.rs:599:29
[INFO] [stdout]     |
[INFO] [stdout] 599 |                     '\\' => String::from_str("\\\\").unwrap(),
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<String, Infallible>
[INFO] [stdout]    --> src/atlas.rs:632:26
[INFO] [stdout]     |
[INFO] [stdout] 632 |         let mut pixels = String::from_str("&[\n").unwrap();
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `microui-redux` (lib) due to 7 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: value assigned to `tr` is never read
[INFO] [stdout]    --> src/window.rs:153:17
[INFO] [stdout]     |
[INFO] [stdout] 153 |                 tr.width -= r.width;
[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] error: this type will no longer be must used: std::result::Result<String, Infallible>
[INFO] [stdout]    --> src/atlas.rs:577:25
[INFO] [stdout]     |
[INFO] [stdout] 577 |         let mut icons = String::from_str("&[\n").unwrap();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<String, Infallible>
[INFO] [stdout]    --> src/atlas.rs:588:25
[INFO] [stdout]     |
[INFO] [stdout] 588 |         let mut slots = String::from_str("&[\n").unwrap();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<String, Infallible>
[INFO] [stdout]    --> src/atlas.rs:593:25
[INFO] [stdout]     |
[INFO] [stdout] 593 |         let mut fonts = String::from_str("&[\n").unwrap();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<String, Infallible>
[INFO] [stdout]    --> src/atlas.rs:595:36
[INFO] [stdout]     |
[INFO] [stdout] 595 |             let mut char_entries = String::from_str("&[\n").unwrap();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<String, Infallible>
[INFO] [stdout]    --> src/atlas.rs:598:29
[INFO] [stdout]     |
[INFO] [stdout] 598 |                     '\'' => String::from_str("\\'").unwrap(),
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<String, Infallible>
[INFO] [stdout]    --> src/atlas.rs:599:29
[INFO] [stdout]     |
[INFO] [stdout] 599 |                     '\\' => String::from_str("\\\\").unwrap(),
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<String, Infallible>
[INFO] [stdout]    --> src/atlas.rs:632:26
[INFO] [stdout]     |
[INFO] [stdout] 632 |         let mut pixels = String::from_str("&[\n").unwrap();
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `microui-redux` (lib test) due to 7 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "b72fcd24b3bb9862a9d8252c16d7065f17416301a1478458fedc7b2a94e111d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b72fcd24b3bb9862a9d8252c16d7065f17416301a1478458fedc7b2a94e111d2", kill_on_drop: false }`
[INFO] [stdout] b72fcd24b3bb9862a9d8252c16d7065f17416301a1478458fedc7b2a94e111d2