[INFO] fetching crate standard-dist 1.0.0... [INFO] testing standard-dist-1.0.0 against beta-2026-04-21 for beta-1.96-3 [INFO] extracting crate standard-dist 1.0.0 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate standard-dist 1.0.0 [INFO] finished tweaking crates.io crate standard-dist 1.0.0 [INFO] tweaked toml for crates.io crate standard-dist 1.0.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate standard-dist 1.0.0 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 18 packages to latest compatible versions [INFO] [stderr] Adding itertools v0.10.5 (available: v0.14.0) [INFO] [stderr] Adding rand v0.8.6 (available: v0.10.1) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.117) [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 1328370b176c1a7d34a541d2c78a589572674da7a2efa6ba7fef692eadc428e3 [INFO] running `Command { std: "docker" "start" "-a" "1328370b176c1a7d34a541d2c78a589572674da7a2efa6ba7fef692eadc428e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1328370b176c1a7d34a541d2c78a589572674da7a2efa6ba7fef692eadc428e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1328370b176c1a7d34a541d2c78a589572674da7a2efa6ba7fef692eadc428e3", kill_on_drop: false }` [INFO] [stdout] 1328370b176c1a7d34a541d2c78a589572674da7a2efa6ba7fef692eadc428e3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] db245b9aecca31fe9af0574d7f9ceb17ccd22c03e251cef51420b072205067af [INFO] running `Command { std: "docker" "start" "-a" "db245b9aecca31fe9af0574d7f9ceb17ccd22c03e251cef51420b072205067af", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling standard-dist v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:321:25 [INFO] [stdout] | [INFO] [stdout] 321 | fn fields_types(fields: &Fields) -> impl Iterator> { [INFO] [stdout] | ^^^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 321 | fn fields_types(fields: &Fields) -> impl Iterator>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.57s [INFO] running `Command { std: "docker" "inspect" "db245b9aecca31fe9af0574d7f9ceb17ccd22c03e251cef51420b072205067af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db245b9aecca31fe9af0574d7f9ceb17ccd22c03e251cef51420b072205067af", kill_on_drop: false }` [INFO] [stdout] db245b9aecca31fe9af0574d7f9ceb17ccd22c03e251cef51420b072205067af [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 38a5075309bff2087b30f1946743358027cf930cb50f99275c686e679a4789e9 [INFO] running `Command { std: "docker" "start" "-a" "38a5075309bff2087b30f1946743358027cf930cb50f99275c686e679a4789e9", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.186 [INFO] [stderr] Compiling unicode-ident v1.0.24 [INFO] [stderr] Compiling either v1.15.0 [INFO] [stderr] Compiling proc-macro2 v1.0.106 [INFO] [stderr] Compiling quote v1.0.45 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling getrandom v0.2.17 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.6 [INFO] [stderr] Compiling standard-dist v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:321:25 [INFO] [stdout] | [INFO] [stdout] 321 | fn fields_types(fields: &Fields) -> impl Iterator> { [INFO] [stdout] | ^^^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 321 | fn fields_types(fields: &Fields) -> impl Iterator>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:321:25 [INFO] [stdout] | [INFO] [stdout] 321 | fn fields_types(fields: &Fields) -> impl Iterator> { [INFO] [stdout] | ^^^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 321 | fn fields_types(fields: &Fields) -> impl Iterator>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/tests.rs:114:9 [INFO] [stdout] | [INFO] [stdout] 114 | One(u32), [INFO] [stdout] | --- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Generics` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 114 - One(u32), [INFO] [stdout] 114 + One(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `t`, `u`, and `f` are never read [INFO] [stdout] --> tests/tests.rs:117:13 [INFO] [stdout] | [INFO] [stdout] 117 | Group { t: T, u: U, f: f64 }, [INFO] [stdout] | ----- ^ ^ ^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Generics` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 14.42s [INFO] running `Command { std: "docker" "inspect" "38a5075309bff2087b30f1946743358027cf930cb50f99275c686e679a4789e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "38a5075309bff2087b30f1946743358027cf930cb50f99275c686e679a4789e9", kill_on_drop: false }` [INFO] [stdout] 38a5075309bff2087b30f1946743358027cf930cb50f99275c686e679a4789e9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 60e305fc86832f6ac684540b3b742ee5fd3a2e5765886bc52f6099f4caeb1aa6 [INFO] running `Command { std: "docker" "start" "-a" "60e305fc86832f6ac684540b3b742ee5fd3a2e5765886bc52f6099f4caeb1aa6", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] [INFO] [stderr] --> src/lib.rs:321:25 [INFO] [stdout] running 0 tests [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] 321 | fn fields_types(fields: &Fields) -> impl Iterator> { [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] | ^^^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] running 2 tests [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 321 | fn fields_types(fields: &Fields) -> impl Iterator>> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `standard-dist` (lib) generated 1 warning (run `cargo fix --lib -p standard-dist` to apply 1 suggestion) [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> tests/tests.rs:114:9 [INFO] [stderr] | [INFO] [stderr] 114 | One(u32), [INFO] [stderr] | --- ^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `Generics` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 114 - One(u32), [INFO] [stderr] 114 + One(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: fields `t`, `u`, and `f` are never read [INFO] [stderr] --> tests/tests.rs:117:13 [INFO] [stderr] | [INFO] [stderr] 117 | Group { t: T, u: U, f: f64 }, [INFO] [stderr] | ----- ^ ^ ^ [INFO] [stderr] | | [INFO] [stderr] | fields in this variant [INFO] [stderr] | [INFO] [stderr] = note: `Generics` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: `standard-dist` (test "tests") generated 2 warnings [INFO] [stderr] warning: `standard-dist` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/standard_dist-3fca6907f7dcec47) [INFO] [stderr] Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-e1ab8a37eb3b6f85) [INFO] [stdout] test test_generic ... ok [INFO] [stdout] test test_fancy ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.48s [INFO] [stdout] [INFO] [stderr] Doc-tests standard_dist [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test src/lib.rs - (line 126) ... ok [INFO] [stdout] test src/lib.rs - (line 6) ... ok [INFO] [stdout] test src/lib.rs - (line 62) ... ok [INFO] [stdout] test src/lib.rs - (line 155) ... ok [INFO] [stdout] test src/lib.rs - (line 91) ... ok [INFO] [stdout] test src/lib.rs - (line 187) ... ok [INFO] [stdout] test src/lib.rs - (line 229) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.44s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "60e305fc86832f6ac684540b3b742ee5fd3a2e5765886bc52f6099f4caeb1aa6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "60e305fc86832f6ac684540b3b742ee5fd3a2e5765886bc52f6099f4caeb1aa6", kill_on_drop: false }` [INFO] [stdout] 60e305fc86832f6ac684540b3b742ee5fd3a2e5765886bc52f6099f4caeb1aa6