[INFO] cloning repository https://github.com/cjstock/rusty-splash
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cjstock/rusty-splash" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjstock%2Frusty-splash", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjstock%2Frusty-splash'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 959fe74fac5c0b9640bb79ef9e949f80e467d0de
[INFO] checking cjstock/rusty-splash against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjstock%2Frusty-splash" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cjstock/rusty-splash
[INFO] finished tweaking git repo https://github.com/cjstock/rusty-splash
[INFO] tweaked toml for git repo https://github.com/cjstock/rusty-splash written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cjstock/rusty-splash 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 git repo https://github.com/cjstock/rusty-splash 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 3fc061e62bda1f5cf7ce9b4121d75a492328f0badeb0cb809aac01f54c248ff4
[INFO] running `Command { std: "docker" "start" "-a" "3fc061e62bda1f5cf7ce9b4121d75a492328f0badeb0cb809aac01f54c248ff4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fc061e62bda1f5cf7ce9b4121d75a492328f0badeb0cb809aac01f54c248ff4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fc061e62bda1f5cf7ce9b4121d75a492328f0badeb0cb809aac01f54c248ff4", kill_on_drop: false }`
[INFO] [stdout] 3fc061e62bda1f5cf7ce9b4121d75a492328f0badeb0cb809aac01f54c248ff4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 397fa86cd7e3b128ca55f9c946816a9131c8d0c1a1a4cd31019d2ff080ae51fe
[INFO] running `Command { std: "docker" "start" "-a" "397fa86cd7e3b128ca55f9c946816a9131c8d0c1a1a4cd31019d2ff080ae51fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.80
[INFO] [stderr]    Compiling cc v1.0.94
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking libloading v0.8.3
[INFO] [stderr]    Compiling wayland-sys v0.31.1
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]     Checking getrandom v0.2.14
[INFO] [stderr]     Checking either v1.11.0
[INFO] [stderr]     Checking weezl v0.1.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.18.1
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]    Compiling anyhow v1.0.82
[INFO] [stderr]     Checking xcursor v0.3.5
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling quick-xml v0.31.0
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]    Compiling quick-xml v0.30.0
[INFO] [stderr]     Checking memmap2 v0.9.4
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking anstream v0.6.13
[INFO] [stderr]     Checking is-docker v0.2.0
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking half v2.4.1
[INFO] [stderr]     Checking fastrand v2.0.2
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]     Checking xkeysym v0.2.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking lebe v0.5.2
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]    Compiling xcb v1.3.0
[INFO] [stderr]    Compiling syn v2.0.59
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking flume v0.11.0
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking png v0.17.13
[INFO] [stderr]    Compiling wayland-scanner v0.31.1
[INFO] [stderr]     Checking is-wsl v0.4.0
[INFO] [stderr]     Checking exr v1.72.0
[INFO] [stderr]     Checking gif v0.13.1
[INFO] [stderr]    Compiling openssl-sys v0.9.102
[INFO] [stderr]    Compiling wayland-backend v0.3.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking pathdiff v0.2.1
[INFO] [stderr]     Checking dirs v5.0.1
[INFO] [stderr]     Checking open v5.1.2
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking jpeg-decoder v0.3.1
[INFO] [stderr]     Checking tiff v0.9.1
[INFO] [stderr]     Checking image v0.24.9
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking h2 v0.3.26
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]    Compiling uuid-macro-internal v1.8.0
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]     Checking wayland-client v0.31.2
[INFO] [stderr]     Checking wayland-csd-frame v0.3.0
[INFO] [stderr]     Checking thiserror v1.0.61
[INFO] [stderr]     Checking clap v4.5.4
[INFO] [stderr]     Checking dialoguer v0.11.0
[INFO] [stderr]     Checking wayland-protocols v0.31.2
[INFO] [stderr]     Checking wayland-cursor v0.31.1
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking wayland-protocols-wlr v0.2.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking uuid v1.8.0
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking reqwest v0.11.27
[INFO] [stderr]     Checking display-info v0.5.0
[INFO] [stderr]     Checking rusty-splash v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `temp_best` is never read
[INFO] [stdout]   --> src/tiled_splash.rs:24:41
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let mut temp_best: TileParams = TileParams::default();
[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: type `SkinLine` is more private than the item `Skin::skin_lines`
[INFO] [stdout]    --> src/cdragon.rs:284:5
[INFO] [stdout]     |
[INFO] [stdout] 284 |     pub skin_lines: Option<Vec<SkinLine>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `Skin::skin_lines` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `SkinLine` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/cdragon.rs:288:1
[INFO] [stdout]     |
[INFO] [stdout] 288 | struct SkinLine {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cache.rs:16:35
[INFO] [stdout]    |
[INFO] [stdout] 16 |           let cached_data: String = fs::read_to_string(self.cache()?)
[INFO] [stdout]    |  ___________________________________^
[INFO] [stdout] 17 | |             .with_context(|| format!("failed to read from {:?}", self.cache()))?
[INFO] [stdout] 18 | |             .parse()
[INFO] [stdout]    | |____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusty-splash` (lib test) due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: value assigned to `temp_best` is never read
[INFO] [stdout]   --> src/tiled_splash.rs:24:41
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let mut temp_best: TileParams = TileParams::default();
[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: type `SkinLine` is more private than the item `Skin::skin_lines`
[INFO] [stdout]    --> src/cdragon.rs:284:5
[INFO] [stdout]     |
[INFO] [stdout] 284 |     pub skin_lines: Option<Vec<SkinLine>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `Skin::skin_lines` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `SkinLine` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/cdragon.rs:288:1
[INFO] [stdout]     |
[INFO] [stdout] 288 | struct SkinLine {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cache.rs:16:35
[INFO] [stdout]    |
[INFO] [stdout] 16 |           let cached_data: String = fs::read_to_string(self.cache()?)
[INFO] [stdout]    |  ___________________________________^
[INFO] [stdout] 17 | |             .with_context(|| format!("failed to read from {:?}", self.cache()))?
[INFO] [stdout] 18 | |             .parse()
[INFO] [stdout]    | |____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusty-splash` (lib) due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "397fa86cd7e3b128ca55f9c946816a9131c8d0c1a1a4cd31019d2ff080ae51fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "397fa86cd7e3b128ca55f9c946816a9131c8d0c1a1a4cd31019d2ff080ae51fe", kill_on_drop: false }`
[INFO] [stdout] 397fa86cd7e3b128ca55f9c946816a9131c8d0c1a1a4cd31019d2ff080ae51fe
