[INFO] crate polytype 6.0.0 is already in cache [INFO] extracting crate polytype 6.0.0 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/polytype/6.0.0 [INFO] extracting crate polytype 6.0.0 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/polytype/6.0.0 [INFO] validating manifest of polytype-6.0.0 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of polytype-6.0.0 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing polytype-6.0.0 [INFO] finished frobbing polytype-6.0.0 [INFO] frobbed toml for polytype-6.0.0 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/polytype/6.0.0/Cargo.toml [INFO] started frobbing polytype-6.0.0 [INFO] finished frobbing polytype-6.0.0 [INFO] frobbed toml for polytype-6.0.0 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/polytype/6.0.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing polytype-6.0.0 against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/polytype/6.0.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"` [INFO] [stdout] c82b4eb72b190e56e9038596a29b3189d3301d64bf8e32b7a093aa25fbc9fb41 [INFO] running `"docker" "start" "-a" "c82b4eb72b190e56e9038596a29b3189d3301d64bf8e32b7a093aa25fbc9fb41"` [INFO] [stderr] Compiling polytype v6.0.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.99s [INFO] running `"docker" "inspect" "c82b4eb72b190e56e9038596a29b3189d3301d64bf8e32b7a093aa25fbc9fb41"` [INFO] running `"docker" "rm" "-f" "c82b4eb72b190e56e9038596a29b3189d3301d64bf8e32b7a093aa25fbc9fb41"` [INFO] [stdout] c82b4eb72b190e56e9038596a29b3189d3301d64bf8e32b7a093aa25fbc9fb41 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/polytype/6.0.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] 43dc71d6cff750ee7e6a5d691dad4c6314ebcd5a98936a84afeb0355f4efdcd1 [INFO] running `"docker" "start" "-a" "43dc71d6cff750ee7e6a5d691dad4c6314ebcd5a98936a84afeb0355f4efdcd1"` [INFO] [stderr] Compiling polytype v6.0.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.75s [INFO] running `"docker" "inspect" "43dc71d6cff750ee7e6a5d691dad4c6314ebcd5a98936a84afeb0355f4efdcd1"` [INFO] running `"docker" "rm" "-f" "43dc71d6cff750ee7e6a5d691dad4c6314ebcd5a98936a84afeb0355f4efdcd1"` [INFO] [stdout] 43dc71d6cff750ee7e6a5d691dad4c6314ebcd5a98936a84afeb0355f4efdcd1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/polytype/6.0.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"` [INFO] [stdout] 6fe81ad5a7ffd60cd91606b205d6f7e2fa11b3be6f2eb1ea8523eea8d35459f7 [INFO] running `"docker" "start" "-a" "6fe81ad5a7ffd60cd91606b205d6f7e2fa11b3be6f2eb1ea8523eea8d35459f7"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/polytype-0476a0a1b18ccff3 [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 [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/tests-e40c530d04cbc1dd [INFO] [stdout] [INFO] [stdout] running 13 tests [INFO] [stdout] test test_arrow_methods ... ok [INFO] [stdout] test test_tp_from_vec ... ok [INFO] [stdout] test test_merge_no_sacreds ... ok [INFO] [stdout] test test_ptp_macro ... ok [INFO] [stdout] test test_tp_from_vecdeque ... ok [INFO] [stdout] test test_merge_with_sacreds ... ok [INFO] [stdout] test test_tp_macro ... ok [INFO] [stdout] test test_unify_one_side_polymorphic ... ok [INFO] [stdout] test test_unify_nonstring_name ... ok [INFO] [stdout] test test_unify_both_sides_polymorphic_occurs ... ok [INFO] [stdout] test test_unify_both_sides_polymorphic ... ok [INFO] [stdout] test test_parse ... ok [INFO] [stdout] test test_unify_one_side_polymorphic_fail ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests polytype [INFO] [stdout] [INFO] [stdout] running 41 tests [INFO] [stdout] test src/context.rs - context::Context::new_variable (line 72) ... ok [INFO] [stdout] test src/context.rs - context::Context::unify (line 122) ... ok [INFO] [stdout] test src/context.rs - context::Context::unify (line 145) ... ok [INFO] [stdout] test src/lib.rs - (line 18) ... ok [INFO] [stdout] test src/macros.rs - ptp (line 134) ... ignored [INFO] [stdout] test src/context.rs - context::Context::unify (line 103) ... ok [INFO] [stdout] test src/context.rs - context::Context::confine (line 233) ... ok [INFO] [stdout] test src/context.rs - context::Context::merge (line 276) ... ok [INFO] [stdout] test src/context.rs - context::Context::merge (line 306) ... ok [INFO] [stdout] test src/lib.rs - Name (line 130) ... ok [INFO] [stdout] test src/macros.rs - tp (line 5) ... ignored [INFO] [stdout] test src/lib.rs - Name (line 138) ... ok [INFO] [stdout] test src/macros.rs - ptp (line 156) ... ok [INFO] [stdout] test src/lib.rs - (line 47) ... ok [INFO] [stdout] test src/macros.rs - ptp (line 177) ... ok [INFO] [stdout] test src/macros.rs - ptp (line 206) ... ok [INFO] [stdout] test src/macros.rs - tp (line 98) ... ok [INFO] [stdout] test src/macros.rs - tp (line 78) ... ok [INFO] [stdout] test src/macros.rs - tp (line 45) ... ok [INFO] [stdout] test src/macros.rs - tp (line 31) ... ok [INFO] [stdout] test src/macros.rs - tp (line 59) ... ok [INFO] [stdout] test src/types.rs - types::Type::Constructed (line 224) ... ok [INFO] [stdout] test src/types.rs - types::Type::Constructed (line 232) ... ok [INFO] [stdout] test src/types.rs - types::Type::Constructed (line 241) ... ok [INFO] [stdout] test src/types.rs - types::Type::Constructed (line 253) ... ok [INFO] [stdout] test src/types.rs - types::Type::Variable (line 276) ... ok [INFO] [stdout] test src/types.rs - types::Type::args (line 375) ... ok [INFO] [stdout] test src/types.rs - types::Type::arrow (line 307) ... ok [INFO] [stdout] test src/types.rs - types::Type::Variable (line 288) ... ok [INFO] [stdout] test src/types.rs - types::Type::apply (line 443) ... ok [INFO] [stdout] test src/types.rs - types::Type::as_arrow (line 322) ... ok [INFO] [stdout] test src/types.rs - types::Type::returns (line 410) ... ok [INFO] [stdout] test src/types.rs - types::TypeSchema::bound_vars (line 59) ... ok [INFO] [stdout] test src/types.rs - types::Type::generalize (line 492) ... ok [INFO] [stdout] test src/types.rs - types::Type::substitute (line 560) ... ok [INFO] [stdout] test src/types.rs - types::Type::vars (line 529) ... ok [INFO] [stdout] test src/types.rs - types::TypeSchema::free_vars (line 82) ... ok [INFO] [stdout] test src/types.rs - types::Type::parse (line 611) ... ok [INFO] [stdout] test src/types.rs - types::TypeSchema::is_bound (line 40) ... ok [INFO] [stdout] test src/types.rs - types::TypeSchema::instantiate (line 113) ... ok [INFO] [stdout] test src/types.rs - types::TypeSchema::parse (line 176) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 39 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "6fe81ad5a7ffd60cd91606b205d6f7e2fa11b3be6f2eb1ea8523eea8d35459f7"` [INFO] running `"docker" "rm" "-f" "6fe81ad5a7ffd60cd91606b205d6f7e2fa11b3be6f2eb1ea8523eea8d35459f7"` [INFO] [stdout] 6fe81ad5a7ffd60cd91606b205d6f7e2fa11b3be6f2eb1ea8523eea8d35459f7