[INFO] fetching crate polytype 7.0.1...
[INFO] testing polytype-7.0.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate polytype 7.0.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate polytype 7.0.1
[INFO] finished tweaking crates.io crate polytype 7.0.1
[INFO] tweaked toml for crates.io crate polytype 7.0.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate polytype 7.0.1 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 17 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.12.1 (available: v0.14.0)
[INFO] [stderr]       Adding winnow v0.5.40 (available: v0.7.13)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 929fce73911545715aab42d4751babbf5a649b4934da32ac35d9f33f834bdadd
[INFO] running `Command { std: "docker" "start" "-a" "929fce73911545715aab42d4751babbf5a649b4934da32ac35d9f33f834bdadd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "929fce73911545715aab42d4751babbf5a649b4934da32ac35d9f33f834bdadd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "929fce73911545715aab42d4751babbf5a649b4934da32ac35d9f33f834bdadd", kill_on_drop: false }`
[INFO] [stdout] 929fce73911545715aab42d4751babbf5a649b4934da32ac35d9f33f834bdadd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fa9cafd55176e8b009e128b12b2452ddba95ed53c26de3ae4454b342ef9e308
[INFO] running `Command { std: "docker" "start" "-a" "4fa9cafd55176e8b009e128b12b2452ddba95ed53c26de3ae4454b342ef9e308", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v2.12.0
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling polytype v7.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.59s
[INFO] running `Command { std: "docker" "inspect" "4fa9cafd55176e8b009e128b12b2452ddba95ed53c26de3ae4454b342ef9e308", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fa9cafd55176e8b009e128b12b2452ddba95ed53c26de3ae4454b342ef9e308", kill_on_drop: false }`
[INFO] [stdout] 4fa9cafd55176e8b009e128b12b2452ddba95ed53c26de3ae4454b342ef9e308
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ec7f1c4a6ab73d85fe0c50ccf2a299043e3b7b299663f1dff64f48186acb81d
[INFO] running `Command { std: "docker" "start" "-a" "4ec7f1c4a6ab73d85fe0c50ccf2a299043e3b7b299663f1dff64f48186acb81d", kill_on_drop: false }`
[INFO] [stderr]    Compiling polytype v7.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.96s
[INFO] running `Command { std: "docker" "inspect" "4ec7f1c4a6ab73d85fe0c50ccf2a299043e3b7b299663f1dff64f48186acb81d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ec7f1c4a6ab73d85fe0c50ccf2a299043e3b7b299663f1dff64f48186acb81d", kill_on_drop: false }`
[INFO] [stdout] 4ec7f1c4a6ab73d85fe0c50ccf2a299043e3b7b299663f1dff64f48186acb81d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 81582653c5cc0f6024389cf1e4f5cb79c3a6bc4937fccc16aeace8b84e6967a6
[INFO] running `Command { std: "docker" "start" "-a" "81582653c5cc0f6024389cf1e4f5cb79c3a6bc4937fccc16aeace8b84e6967a6", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/polytype-7565739e26e0e909)
[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/tests.rs (/opt/rustwide/target/debug/deps/tests-01485a92c87995ed)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test test_parse ... ok
[INFO] [stdout] test test_merge_with_sacreds ... ok
[INFO] [stdout] test test_ptp_macro ... ok
[INFO] [stdout] test test_tp_from_vec ... ok
[INFO] [stdout] test test_tp_macro ... ok
[INFO] [stderr]    Doc-tests polytype
[INFO] [stdout] test test_unify_both_sides_polymorphic ... ok
[INFO] [stdout] test test_context_is_send ... ok
[INFO] [stdout] test test_unify_nonstring_name ... ok
[INFO] [stdout] test test_unify_one_side_polymorphic ... ok
[INFO] [stdout] test test_merge_no_sacreds ... ok
[INFO] [stdout] test test_tp_from_vecdeque ... ok
[INFO] [stdout] test test_unify_both_sides_polymorphic_occurs ... ok
[INFO] [stdout] test test_arrow_methods ... ok
[INFO] [stdout] test test_unify_one_side_polymorphic_fail ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 45 tests
[INFO] [stdout] test src/context.rs - context::Context<N>::clean (line 106) ... ok
[INFO] [stdout] test src/context.rs - context::Context<N>::new_variable (line 156) ... ok
[INFO] [stdout] test src/context.rs - context::Context<N>::unify (line 200) ... ok
[INFO] [stdout] test src/context.rs - context::Context<N>::unify (line 220) ... ok
[INFO] [stdout] test src/context.rs - context::Context<N>::unify (line 184) ... ok
[INFO] [stdout] test src/context.rs - context::Context<N>::merge (line 345) ... ok
[INFO] [stdout] test src/lib.rs - Infer (line 195) ... ok
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] test src/macros.rs - macros::ptp (line 119) ... ignored
[INFO] [stdout] test src/context.rs - context::Context<N>::confine (line 305) ... ok
[INFO] [stdout] test src/context.rs - context::Context<N>::merge (line 372) ... ok
[INFO] [stdout] test src/lib.rs - Name (line 122) ... ok
[INFO] [stdout] test src/lib.rs - Name (line 130) ... ok
[INFO] [stdout] test src/macros.rs - macros::ptp (line 159) ... ok
[INFO] [stdout] test src/macros.rs - macros::tp (line 5) ... ignored
[INFO] [stdout] test src/lib.rs - Infer (line 247) ... ok
[INFO] [stdout] test src/macros.rs - macros::ptp (line 141) ... ok
[INFO] [stdout] test src/macros.rs - macros::ptp (line 185) ... ok
[INFO] [stdout] test src/lib.rs - (line 44) ... ok
[INFO] [stdout] test src/macros.rs - macros::tp (line 31) ... ok
[INFO] [stdout] test src/lib.rs - Infer (line 210) ... ok
[INFO] [stdout] test src/macros.rs - macros::tp (line 53) ... ok
[INFO] [stdout] test src/macros.rs - macros::tp (line 69) ... ok
[INFO] [stdout] test src/macros.rs - macros::tp (line 42) ... ok
[INFO] [stdout] test src/macros.rs - macros::tp (line 86) ... ok
[INFO] [stdout] test src/types.rs - types::Type::Constructed (line 205) ... ok
[INFO] [stdout] test src/types.rs - types::Type::Variable (line 235) ... ok
[INFO] [stdout] test src/types.rs - types::Type::Constructed (line 196) ... ok
[INFO] [stdout] test src/types.rs - types::Type::Constructed (line 215) ... ok
[INFO] [stdout] test src/types.rs - types::Type::Constructed (line 188) ... ok
[INFO] [stdout] test src/types.rs - types::Type::Variable (line 244) ... ok
[INFO] [stdout] test src/types.rs - types::Type<N>::arrow (line 261) ... ok
[INFO] [stdout] test src/parser.rs - parser::TypeScheme<N>::from_str (line 33) ... ok
[INFO] [stdout] test src/types.rs - types::Type<N>::args (line 324) ... ok
[INFO] [stdout] test src/types.rs - types::Type<N>::as_arrow (line 273) ... ok
[INFO] [stdout] test src/parser.rs - parser::Type<N>::from_str (line 63) ... ok
[INFO] [stdout] test src/types.rs - types::Type<N>::returns (line 378) ... ok
[INFO] [stdout] test src/types.rs - types::Type<N>::generalize (line 481) ... ok
[INFO] [stdout] test src/types.rs - types::Type<N>::vars (line 516) ... ok
[INFO] [stdout] test src/types.rs - types::TypeScheme<N>::is_bound (line 39) ... ok
[INFO] [stdout] test src/types.rs - types::Type<N>::apply (line 409) ... ok
[INFO] [stdout] test src/types.rs - types::TypeScheme<N>::bound_vars (line 56) ... ok
[INFO] [stdout] test src/types.rs - types::TypeScheme<N>::instantiate (line 108) ... ok
[INFO] [stdout] test src/types.rs - types::TypeScheme<N>::free_vars (line 77) ... ok
[INFO] [stdout] test src/types.rs - types::Type<N>::substitute (line 546) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 43 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 7.93s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "81582653c5cc0f6024389cf1e4f5cb79c3a6bc4937fccc16aeace8b84e6967a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81582653c5cc0f6024389cf1e4f5cb79c3a6bc4937fccc16aeace8b84e6967a6", kill_on_drop: false }`
[INFO] [stdout] 81582653c5cc0f6024389cf1e4f5cb79c3a6bc4937fccc16aeace8b84e6967a6
