[INFO] cloning repository https://github.com/Elvyria/Caffi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Elvyria/Caffi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElvyria%2FCaffi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElvyria%2FCaffi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f6fe61be4b99b2d4dfb4d43d1461cc3c7b3e5bfc
[INFO] checking Elvyria/Caffi/f6fe61be4b99b2d4dfb4d43d1461cc3c7b3e5bfc against master#61cc47e367d7be91e13bcd01e4e96e0e233d4f6d for 2025-12-16-next-solver-global
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElvyria%2FCaffi" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Elvyria/Caffi
[INFO] finished tweaking git repo https://github.com/Elvyria/Caffi
[INFO] tweaked toml for git repo https://github.com/Elvyria/Caffi written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Elvyria/Caffi on toolchain 61cc47e367d7be91e13bcd01e4e96e0e233d4f6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Elvyria/Caffi 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" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52650b2ab8cc4e819f00ed8996f57221e4039f35668466760168efd4d7fdffdc
[INFO] running `Command { std: "docker" "start" "-a" "52650b2ab8cc4e819f00ed8996f57221e4039f35668466760168efd4d7fdffdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52650b2ab8cc4e819f00ed8996f57221e4039f35668466760168efd4d7fdffdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52650b2ab8cc4e819f00ed8996f57221e4039f35668466760168efd4d7fdffdc", kill_on_drop: false }`
[INFO] [stdout] 52650b2ab8cc4e819f00ed8996f57221e4039f35668466760168efd4d7fdffdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f9e7a647cb35dab6dbc71a4db2661f6f3867ccb6591faa0674dd9e09fbabcb2
[INFO] running `Command { std: "docker" "start" "-a" "6f9e7a647cb35dab6dbc71a4db2661f6f3867ccb6591faa0674dd9e09fbabcb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
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[INFO] [stderr]    Compiling caffi v0.1.0-alpha.4 (/opt/rustwide/workdir)
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[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]    --> src/app.rs:170:13
[INFO] [stdout]     |
[INFO] [stdout] 170 |         let config = WM_CONFIG.get().unwrap();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]    --> src/app.rs:170:13
[INFO] [stdout]     |
[INFO] [stdout] 170 |         let config = WM_CONFIG.get().unwrap();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `left` is never read
[INFO] [stdout]    --> src/app.rs:113:34
[INFO] [stdout]     |
[INFO] [stdout] 113 |                         #[name = "left"]
[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: value assigned to `right` is never read
[INFO] [stdout]    --> src/app.rs:117:34
[INFO] [stdout]     |
[INFO] [stdout] 117 |                         #[name = "right"]
[INFO] [stdout]     |                                  ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `left` is never read
[INFO] [stdout]    --> src/app.rs:113:34
[INFO] [stdout]     |
[INFO] [stdout] 113 |                         #[name = "left"]
[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: value assigned to `right` is never read
[INFO] [stdout]    --> src/app.rs:117:34
[INFO] [stdout]     |
[INFO] [stdout] 117 |                         #[name = "right"]
[INFO] [stdout]     |                                  ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `anchors` and `margins` are never read
[INFO] [stdout]   --> src/app.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub struct WMConfig {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 58 |     pub anchors: Anchor,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 59 |     pub margins: Vec<i32>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `anchors` and `margins` are never read
[INFO] [stdout]   --> src/app.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub struct WMConfig {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 58 |     pub anchors: Anchor,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 59 |     pub margins: Vec<i32>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "6f9e7a647cb35dab6dbc71a4db2661f6f3867ccb6591faa0674dd9e09fbabcb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f9e7a647cb35dab6dbc71a4db2661f6f3867ccb6591faa0674dd9e09fbabcb2", kill_on_drop: false }`
[INFO] [stdout] 6f9e7a647cb35dab6dbc71a4db2661f6f3867ccb6591faa0674dd9e09fbabcb2