[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<Item = syn::Result<FieldDistributionBinding>> {
[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<Item = syn::Result<FieldDistributionBinding<'_>>> {
[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<Item = syn::Result<FieldDistributionBinding>> {
[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<Item = syn::Result<FieldDistributionBinding<'_>>> {
[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<Item = syn::Result<FieldDistributionBinding>> {
[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<Item = syn::Result<FieldDistributionBinding<'_>>> {
[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<Item = syn::Result<FieldDistributionBinding>> {
[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<Item = syn::Result<FieldDistributionBinding<'_>>> {
[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
