[INFO] fetching crate oxigen 2.2.2... [INFO] testing oxigen-2.2.2 against beta-2026-04-21 for beta-1.96-3 [INFO] extracting crate oxigen 2.2.2 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate oxigen 2.2.2 [INFO] finished tweaking crates.io crate oxigen 2.2.2 [INFO] tweaked toml for crates.io crate oxigen 2.2.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate oxigen 2.2.2 on toolchain beta-2026-04-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 23 packages to latest compatible versions [INFO] [stderr] Adding rand v0.7.3 (available: v0.10.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b2e75caa3336a167205628f36963c22646736e5c3f29724532336bf6248bf808 [INFO] running `Command { std: "docker" "start" "-a" "b2e75caa3336a167205628f36963c22646736e5c3f29724532336bf6248bf808", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b2e75caa3336a167205628f36963c22646736e5c3f29724532336bf6248bf808", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b2e75caa3336a167205628f36963c22646736e5c3f29724532336bf6248bf808", kill_on_drop: false }` [INFO] [stdout] b2e75caa3336a167205628f36963c22646736e5c3f29724532336bf6248bf808 [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8edbc9d6d89ca64f20c2da4168fe3d44fa81db2f2790a07437d2f8f698fe5740 [INFO] running `Command { std: "docker" "start" "-a" "8edbc9d6d89ca64f20c2da4168fe3d44fa81db2f2790a07437d2f8f698fe5740", kill_on_drop: false }` [INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] Compiling libc v0.2.186 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling zerocopy v0.8.48 [INFO] [stderr] Compiling cfg-if v1.0.4 [INFO] [stderr] Compiling rayon-core v1.13.0 [INFO] [stderr] Compiling either v1.15.0 [INFO] [stderr] Compiling historian v4.0.4 [INFO] [stderr] Compiling crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling crossbeam-deque v0.8.6 [INFO] [stderr] Compiling rayon v1.12.0 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling ppv-lite86 v0.2.21 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling oxigen v2.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/genotype.rs:28:52 [INFO] [stdout] | [INFO] [stdout] 28 | fn from_iter>(&mut self, I); [INFO] [stdout] | ^ help: try naming the parameter or explicitly ignoring it: `_: I` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/genotype.rs:22:13 [INFO] [stdout] | [INFO] [stdout] 22 | fn iter(&self) -> Iter; [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] 22 | fn iter(&self) -> Iter<'_, T>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.42s [INFO] running `Command { std: "docker" "inspect" "8edbc9d6d89ca64f20c2da4168fe3d44fa81db2f2790a07437d2f8f698fe5740", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8edbc9d6d89ca64f20c2da4168fe3d44fa81db2f2790a07437d2f8f698fe5740", kill_on_drop: false }` [INFO] [stdout] 8edbc9d6d89ca64f20c2da4168fe3d44fa81db2f2790a07437d2f8f698fe5740 [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 32d9267f617c5f3ce5d4638ee296c30f4172f07876514beaa3270b1f8f0689fe [INFO] running `Command { std: "docker" "start" "-a" "32d9267f617c5f3ce5d4638ee296c30f4172f07876514beaa3270b1f8f0689fe", kill_on_drop: false }` [INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/genotype.rs:28:52 [INFO] [stdout] | [INFO] [stdout] 28 | fn from_iter>(&mut self, I); [INFO] [stdout] | ^ help: try naming the parameter or explicitly ignoring it: `_: I` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/genotype.rs:22:13 [INFO] [stdout] | [INFO] [stdout] 22 | fn iter(&self) -> Iter; [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] 22 | fn iter(&self) -> Iter<'_, T>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling oxigen v2.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/genotype.rs:28:52 [INFO] [stdout] | [INFO] [stdout] 28 | fn from_iter>(&mut self, I); [INFO] [stdout] | ^ help: try naming the parameter or explicitly ignoring it: `_: I` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/genotype.rs:22:13 [INFO] [stdout] | [INFO] [stdout] 22 | fn iter(&self) -> Iter; [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] 22 | fn iter(&self) -> Iter<'_, T>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s [INFO] running `Command { std: "docker" "inspect" "32d9267f617c5f3ce5d4638ee296c30f4172f07876514beaa3270b1f8f0689fe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32d9267f617c5f3ce5d4638ee296c30f4172f07876514beaa3270b1f8f0689fe", kill_on_drop: false }` [INFO] [stdout] 32d9267f617c5f3ce5d4638ee296c30f4172f07876514beaa3270b1f8f0689fe [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 86d2551a3bd6d3ed235a3664463f3ccda3a503c2bd9b60d43f49650f5f6aea9c [INFO] running `Command { std: "docker" "start" "-a" "86d2551a3bd6d3ed235a3664463f3ccda3a503c2bd9b60d43f49650f5f6aea9c", kill_on_drop: false }` [INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stderr] --> src/genotype.rs:28:52 [INFO] [stderr] | [INFO] [stderr] 28 | fn from_iter>(&mut self, I); [INFO] [stderr] | ^ help: try naming the parameter or explicitly ignoring it: `_: I` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/genotype.rs:22:13 [INFO] [stderr] | [INFO] [stderr] 22 | fn iter(&self) -> Iter; [INFO] [stderr] | ^^^^^ ^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 22 | fn iter(&self) -> Iter<'_, T>; [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `oxigen` (lib) generated 2 warnings (run `cargo fix --lib -p oxigen` to apply 2 suggestions) [INFO] [stderr] warning: `oxigen` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/oxigen-ed0189b64864d613) [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 oxigen [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test src/age.rs - age::Age::age_unfitness (line 15) ... ignored [INFO] [stdout] test src/age.rs - age::Age::age_unfitness (line 18) ... ignored [INFO] [stdout] test src/age.rs - age::Age::age_unfitness (line 21) ... ignored [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "86d2551a3bd6d3ed235a3664463f3ccda3a503c2bd9b60d43f49650f5f6aea9c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86d2551a3bd6d3ed235a3664463f3ccda3a503c2bd9b60d43f49650f5f6aea9c", kill_on_drop: false }` [INFO] [stdout] 86d2551a3bd6d3ed235a3664463f3ccda3a503c2bd9b60d43f49650f5f6aea9c