[INFO] fetching crate flutterbug 0.1.1... [INFO] testing flutterbug-0.1.1 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate flutterbug 0.1.1 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate flutterbug 0.1.1 [INFO] finished tweaking crates.io crate flutterbug 0.1.1 [INFO] tweaked toml for crates.io crate flutterbug 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate flutterbug 0.1.1 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate flutterbug 0.1.1 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 633170f019aa93f71bdf652510ddfec548398e270128265a2f2d7823d136efaf [INFO] running `Command { std: "docker" "start" "-a" "633170f019aa93f71bdf652510ddfec548398e270128265a2f2d7823d136efaf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "633170f019aa93f71bdf652510ddfec548398e270128265a2f2d7823d136efaf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "633170f019aa93f71bdf652510ddfec548398e270128265a2f2d7823d136efaf", kill_on_drop: false }` [INFO] [stdout] 633170f019aa93f71bdf652510ddfec548398e270128265a2f2d7823d136efaf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 15b3eeecf0e470a2c0b9cd803555866e6a50d3369c66cd77c7725dc2eef64c3a [INFO] running `Command { std: "docker" "start" "-a" "15b3eeecf0e470a2c0b9cd803555866e6a50d3369c66cd77c7725dc2eef64c3a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.12 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.19 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling pkg-config v0.3.17 [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling flutterbug v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Compiling x11 v2.18.2 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling quote v1.0.4 [INFO] [stderr] Compiling euclid v0.20.11 [INFO] [stderr] Compiling thiserror-impl v1.0.16 [INFO] [stderr] Compiling thiserror v1.0.16 [INFO] [stdout] warning: fields `error_code`, `minor_code`, `request`, and `err_text` are never read [INFO] [stdout] --> src/event.rs:894:5 [INFO] [stdout] | [INFO] [stdout] 889 | pub struct ErrorEvent { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 894 | error_code: c_uchar, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 895 | minor_code: c_uchar, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 896 | request: c_uchar, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 897 | err_text: String, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ErrorEvent` has a derived impl for the trait `Clone`, 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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.25s [INFO] running `Command { std: "docker" "inspect" "15b3eeecf0e470a2c0b9cd803555866e6a50d3369c66cd77c7725dc2eef64c3a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "15b3eeecf0e470a2c0b9cd803555866e6a50d3369c66cd77c7725dc2eef64c3a", kill_on_drop: false }` [INFO] [stdout] 15b3eeecf0e470a2c0b9cd803555866e6a50d3369c66cd77c7725dc2eef64c3a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 10b5a901bf8d26276a3e42ee7614018e4ff1a26b35129d1d281f53b61e528cc8 [INFO] running `Command { std: "docker" "start" "-a" "10b5a901bf8d26276a3e42ee7614018e4ff1a26b35129d1d281f53b61e528cc8", kill_on_drop: false }` [INFO] [stderr] Compiling cc v1.0.54 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling servo-fontconfig-sys v4.0.9 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling anyhow v1.0.31 [INFO] [stderr] Compiling walkdir v2.3.1 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling float-ord v0.2.0 [INFO] [stderr] Compiling dirs-sys v0.3.4 [INFO] [stdout] warning: fields `error_code`, `minor_code`, `request`, and `err_text` are never read [INFO] [stdout] --> src/event.rs:894:5 [INFO] [stdout] | [INFO] [stdout] 889 | pub struct ErrorEvent { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 894 | error_code: c_uchar, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 895 | minor_code: c_uchar, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 896 | request: c_uchar, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 897 | err_text: String, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ErrorEvent` has a derived impl for the trait `Clone`, 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] [stderr] Compiling dirs v2.0.2 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling cmake v0.1.44 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling servo-freetype-sys v4.0.5 [INFO] [stderr] Compiling expat-sys v2.1.6 [INFO] [stderr] Compiling pathfinder_simd v0.5.0 [INFO] [stderr] Compiling freetype v0.4.1 [INFO] [stderr] Compiling servo-fontconfig v0.4.0 [INFO] [stderr] Compiling pathfinder_geometry v0.5.1 [INFO] [stderr] Compiling font-kit v0.7.0 [INFO] [stderr] Compiling flutterbug v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: this function depends on never type fallback being `()` [INFO] [stdout] --> examples/font_text.rs:111:1 [INFO] [stdout] | [INFO] [stdout] 111 | fn main() -> Result<(), anyhow::Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = help: specify the types explicitly [INFO] [stdout] note: in edition 2024, the requirement `!: FromIterator<()>` will fail [INFO] [stdout] --> examples/font_text.rs:154:20 [INFO] [stdout] | [INFO] [stdout] 154 | .collect::>()?; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(dependency_on_unit_never_type_fallback)]` (part of `#[warn(rust_2024_compatibility)]`) on by default [INFO] [stdout] help: use `()` annotations to avoid fallback changes [INFO] [stdout] | [INFO] [stdout] 154 ~ .collect::>()?; [INFO] [stdout] 155 | [INFO] [stdout] ... [INFO] [stdout] 174 | }) [INFO] [stdout] 175 ~ .collect::>()?; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `error_code`, `minor_code`, `request`, and `err_text` are never read [INFO] [stdout] --> src/event.rs:894:5 [INFO] [stdout] | [INFO] [stdout] 889 | pub struct ErrorEvent { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 894 | error_code: c_uchar, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 895 | minor_code: c_uchar, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 896 | request: c_uchar, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 897 | err_text: String, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ErrorEvent` has a derived impl for the trait `Clone`, 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] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 6.26s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: flutterbug v0.1.1 (/opt/rustwide/workdir) [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" "10b5a901bf8d26276a3e42ee7614018e4ff1a26b35129d1d281f53b61e528cc8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "10b5a901bf8d26276a3e42ee7614018e4ff1a26b35129d1d281f53b61e528cc8", kill_on_drop: false }` [INFO] [stdout] 10b5a901bf8d26276a3e42ee7614018e4ff1a26b35129d1d281f53b61e528cc8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2f7a6d90831f514ff9ecf0fb323c9f9ea1b5ad1ef4398270d52a92edbe521c86 [INFO] running `Command { std: "docker" "start" "-a" "2f7a6d90831f514ff9ecf0fb323c9f9ea1b5ad1ef4398270d52a92edbe521c86", kill_on_drop: false }` [INFO] [stderr] warning: fields `error_code`, `minor_code`, `request`, and `err_text` are never read [INFO] [stderr] --> src/event.rs:894:5 [INFO] [stderr] | [INFO] [stderr] 889 | pub struct ErrorEvent { [INFO] [stderr] | ---------- fields in this struct [INFO] [stderr] ... [INFO] [stderr] 894 | error_code: c_uchar, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] 895 | minor_code: c_uchar, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] 896 | request: c_uchar, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] 897 | err_text: String, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `ErrorEvent` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `flutterbug` (lib) generated 1 warning [INFO] [stderr] warning: this function depends on never type fallback being `()` [INFO] [stderr] --> examples/font_text.rs:111:1 [INFO] [stderr] | [INFO] [stderr] 111 | fn main() -> Result<(), anyhow::Error> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions! [INFO] [stderr] = note: for more information, see [INFO] [stderr] = help: specify the types explicitly [INFO] [stderr] note: in edition 2024, the requirement `!: FromIterator<()>` will fail [INFO] [stderr] --> examples/font_text.rs:154:20 [INFO] [stderr] | [INFO] [stderr] 154 | .collect::>()?; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] = note: `#[warn(dependency_on_unit_never_type_fallback)]` (part of `#[warn(rust_2024_compatibility)]`) on by default [INFO] [stderr] help: use `()` annotations to avoid fallback changes [INFO] [stderr] | [INFO] [stderr] 154 ~ .collect::>()?; [INFO] [stderr] 155 | [INFO] [stderr] ... [INFO] [stderr] 174 | }) [INFO] [stderr] 175 ~ .collect::>()?; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `flutterbug` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] warning: `flutterbug` (example "font_text") generated 1 warning (run `cargo fix --example "font_text"` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: flutterbug v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/flutterbug-490fde1addceca8a) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests flutterbug [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "2f7a6d90831f514ff9ecf0fb323c9f9ea1b5ad1ef4398270d52a92edbe521c86", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f7a6d90831f514ff9ecf0fb323c9f9ea1b5ad1ef4398270d52a92edbe521c86", kill_on_drop: false }` [INFO] [stdout] 2f7a6d90831f514ff9ecf0fb323c9f9ea1b5ad1ef4398270d52a92edbe521c86