[INFO] fetching crate type-lang 1.0.0...
[INFO] testing type-lang-1.0.0 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate type-lang 1.0.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate type-lang 1.0.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate type-lang 1.0.0
[INFO] tweaked toml for crates.io crate type-lang 1.0.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate type-lang 1.0.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate type-lang 1.0.0 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:43:12
[INFO] [stderr]    |
[INFO] [stderr] 43 | homepage = "https://github.com/jamesgober/type-lang"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 48 | repository = "https://github.com/jamesgober/type-lang"
[INFO] [stderr]    |              -----------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `type-lang` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 1bf5779d8c4d78da76cd9a462c5134380969eaf61090e52623c6f0f9ea4728ef
[INFO] running `Command { std: "docker" "start" "1bf5779d8c4d78da76cd9a462c5134380969eaf61090e52623c6f0f9ea4728ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bf5779d8c4d78da76cd9a462c5134380969eaf61090e52623c6f0f9ea4728ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1bf5779d8c4d78da76cd9a462c5134380969eaf61090e52623c6f0f9ea4728ef" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bf5779d8c4d78da76cd9a462c5134380969eaf61090e52623c6f0f9ea4728ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1bf5779d8c4d78da76cd9a462c5134380969eaf61090e52623c6f0f9ea4728ef" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:43:12
[INFO] [stderr]    |
[INFO] [stderr] 43 | homepage = "https://github.com/jamesgober/type-lang"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 48 | repository = "https://github.com/jamesgober/type-lang"
[INFO] [stderr]    |              -----------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `type-lang` (manifest) generated 1 warning
[INFO] [stderr]    Compiling type-lang v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "1bf5779d8c4d78da76cd9a462c5134380969eaf61090e52623c6f0f9ea4728ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1bf5779d8c4d78da76cd9a462c5134380969eaf61090e52623c6f0f9ea4728ef" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:43:12
[INFO] [stderr]    |
[INFO] [stderr] 43 | homepage = "https://github.com/jamesgober/type-lang"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 48 | repository = "https://github.com/jamesgober/type-lang"
[INFO] [stderr]    |              -----------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `type-lang` (manifest) generated 1 warning
[INFO] [stderr]    Compiling quote v1.0.46
[INFO] [stderr]    Compiling zerocopy v0.8.52
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling either v1.16.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde_json v1.0.150
[INFO] [stderr]    Compiling bitflags v2.13.0
[INFO] [stderr]    Compiling memchr v2.8.2
[INFO] [stderr]    Compiling fastrand v2.4.1
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling getrandom v0.4.3
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling clap_builder v4.6.0
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling is-terminal v0.4.17
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling rayon v1.12.0
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling rand_xorshift v0.4.0
[INFO] [stderr]    Compiling rand v0.9.4
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling clap v4.6.1
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling rusty-fork v0.3.1
[INFO] [stderr]    Compiling regex v1.12.4
[INFO] [stderr]    Compiling zerocopy-derive v0.8.52
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling proptest v1.11.0
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling type-lang v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 20.25s
[INFO] running `Command { std: "docker" "inspect" "1bf5779d8c4d78da76cd9a462c5134380969eaf61090e52623c6f0f9ea4728ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1bf5779d8c4d78da76cd9a462c5134380969eaf61090e52623c6f0f9ea4728ef" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:43:12
[INFO] [stderr]    |
[INFO] [stderr] 43 | homepage = "https://github.com/jamesgober/type-lang"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 48 | repository = "https://github.com/jamesgober/type-lang"
[INFO] [stderr]    |              -----------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `type-lang` (manifest) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/build/type-lang/000105e924f1b7c1/out/type_lang-000105e924f1b7c1)
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test ty::tests::test_display_renders_structure ... ok
[INFO] [stdout] test error::tests::test_error_is_clonable_and_equatable ... ok
[INFO] [stdout] test error::tests::test_mismatch_display_names_both_types ... ok
[INFO] [stdout] test error::tests::test_occurs_display_names_variable ... ok
[INFO] [stdout] test unify::tests::test_fresh_variables_are_distinct_and_counted ... ok
[INFO] [stdout] test unify::tests::test_occurs_check_rejects_infinite_type ... ok
[INFO] [stdout] test unify::tests::test_two_unbound_variables_share_a_representative ... ok
[INFO] [stdout] test unify::tests::test_unify_different_heads_is_mismatch ... ok
[INFO] [stdout] test unify::tests::test_default_matches_new ... ok
[INFO] [stdout] test unify::tests::test_resolve_is_idempotent ... ok
[INFO] [stdout] test unify::tests::test_variable_from_another_unifier_binds_soundly ... ok
[INFO] [stdout] test ty::tests::test_accessors_split_var_from_app ... ok
[INFO] [stdout] test unify::tests::test_resolve_handles_a_deep_chain ... ok
[INFO] [stdout] test unify::tests::test_unify_matching_constructors_unifies_arguments ... ok
[INFO] [stdout] test unify::tests::test_occurs_check_sees_through_a_binding ... ok
[INFO] [stdout] test unify::tests::test_unify_same_head_different_arity_is_mismatch ... ok
[INFO] [stdout] test ty::tests::test_con_is_app_with_no_arguments ... ok
[INFO] [stdout] test unify::tests::test_unify_identical_terms_always_succeeds ... ok
[INFO] [stdout] test ty::tests::test_handles_work_as_map_keys ... ok
[INFO] [stdout] test unify::tests::test_unify_variable_with_constructor_binds_it ... ok
[INFO] [stdout] test unify::tests::test_unify_propagates_through_a_variable_chain ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/properties.rs (/opt/rustwide/target/debug/build/type-lang/deac331746362a85/out/properties-deac331746362a85)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test a_variable_never_unifies_inside_its_own_term ... ok
[INFO] [stdout] test unification_makes_types_equal ... ok
[INFO] [stdout] test resolution_is_idempotent ... ok
[INFO] [stdout] test a_type_unifies_with_itself ... ok
[INFO] [stdout] test unification_is_symmetric ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/serde.rs (/opt/rustwide/target/debug/build/type-lang/c5ee662564ddd73e/out/serde-c5ee662564ddd73e)
[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]      Running tests/unify.rs (/opt/rustwide/target/debug/build/type-lang/d03014430760c8d1/out/unify-d03014430760c8d1)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test propagates_a_binding_across_independent_uses ... ok
[INFO] [stdout] test cloning_a_unifier_isolates_a_speculative_unification ... ok
[INFO] [stdout] test checks_a_function_application ... ok
[INFO] [stdout] test rejects_a_self_referential_type ... ok
[INFO] [stdout] test reports_argument_mismatch_with_resolved_types ... ok
[INFO] [stdout] test a_failed_unification_leaves_partial_bindings_in_place ... ok
[INFO] [stdout] test instantiates_a_generic_through_nested_unification ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests type_lang
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test src/unify.rs - unify::Unifier (line 26) ... ok
[INFO] [stdout] test src/ty.rs - ty::TyVar (line 22) ... ok
[INFO] [stdout] test src/unify.rs - unify::Unifier::new (line 58) ... ok
[INFO] [stdout] test src/error.rs - error::TypeError (line 27) ... ok
[INFO] [stdout] test src/ty.rs - ty::Type::app (line 211) ... ok
[INFO] [stdout] test src/ty.rs - ty::TyCon::new (line 101) ... ok
[INFO] [stdout] test src/ty.rs - ty::Type::con (line 192) ... ok
[INFO] [stdout] test src/ty.rs - ty::TyVar::to_u32 (line 55) ... ok
[INFO] [stdout] test src/ty.rs - ty::Type::as_var (line 235) ... ok
[INFO] [stdout] test src/ty.rs - ty::Type::head (line 257) ... ok
[INFO] [stdout] test src/ty.rs - ty::Type::var (line 171) ... ok
[INFO] [stdout] test src/unify.rs - unify::Unifier::unify (line 163) ... ok
[INFO] [stdout] test src/unify.rs - unify::Unifier::with_capacity (line 80) ... ok
[INFO] [stdout] test src/lib.rs - (line 34) ... ok
[INFO] [stdout] test src/ty.rs - ty::TyCon (line 76) ... ok
[INFO] [stdout] test src/ty.rs - ty::Type::args (line 280) ... ok
[INFO] [stdout] test src/ty.rs - ty::Type (line 139) ... ok
[INFO] [stdout] test src/unify.rs - unify::Unifier::resolve (line 217) ... ok
[INFO] [stdout] test src/unify.rs - unify::Unifier::fresh (line 110) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.41s; merged doctests compilation took 0.39s
[INFO] running `Command { std: "docker" "inspect" "1bf5779d8c4d78da76cd9a462c5134380969eaf61090e52623c6f0f9ea4728ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bf5779d8c4d78da76cd9a462c5134380969eaf61090e52623c6f0f9ea4728ef", kill_on_drop: false }`
[INFO] [stdout] 1bf5779d8c4d78da76cd9a462c5134380969eaf61090e52623c6f0f9ea4728ef
