[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 master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 027cec1aad644054212a2d51e8b65f8addb05d5c160b7c20b2330bd2aef04002
[INFO] running `"docker" "start" "-a" "027cec1aad644054212a2d51e8b65f8addb05d5c160b7c20b2330bd2aef04002"`
[INFO] [stderr]    Compiling polytype v6.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `"docker" "inspect" "027cec1aad644054212a2d51e8b65f8addb05d5c160b7c20b2330bd2aef04002"`
[INFO] running `"docker" "rm" "-f" "027cec1aad644054212a2d51e8b65f8addb05d5c160b7c20b2330bd2aef04002"`
[INFO] [stdout] 027cec1aad644054212a2d51e8b65f8addb05d5c160b7c20b2330bd2aef04002
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] ca194cbfa39895a336a23101bcf405bbc7edbb3c931b9d9eea6234658b3ef051
[INFO] running `"docker" "start" "-a" "ca194cbfa39895a336a23101bcf405bbc7edbb3c931b9d9eea6234658b3ef051"`
[INFO] [stderr]    Compiling polytype v6.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.66s
[INFO] running `"docker" "inspect" "ca194cbfa39895a336a23101bcf405bbc7edbb3c931b9d9eea6234658b3ef051"`
[INFO] running `"docker" "rm" "-f" "ca194cbfa39895a336a23101bcf405bbc7edbb3c931b9d9eea6234658b3ef051"`
[INFO] [stdout] ca194cbfa39895a336a23101bcf405bbc7edbb3c931b9d9eea6234658b3ef051
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 3dc1cb034d8781de7694872ba5536b4a5a735c53c773c989b9977e936740f730
[INFO] running `"docker" "start" "-a" "3dc1cb034d8781de7694872ba5536b4a5a735c53c773c989b9977e936740f730"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/polytype-47e270b0a42a809a
[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-0b0ce9db052051d5
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test test_arrow_methods ... ok
[INFO] [stdout] test test_merge_no_sacreds ... ok
[INFO] [stdout] test test_merge_with_sacreds ... ok
[INFO] [stdout] test test_tp_from_vec ... ok
[INFO] [stdout] test test_ptp_macro ... ok
[INFO] [stdout] test test_unify_both_sides_polymorphic ... ok
[INFO] [stdout] test test_tp_macro ... ok
[INFO] [stdout] test test_unify_both_sides_polymorphic_occurs ... ok
[INFO] [stdout] test test_unify_nonstring_name ... ok
[INFO] [stdout] test test_tp_from_vecdeque ... ok
[INFO] [stdout] test test_unify_one_side_polymorphic ... ok
[INFO] [stdout] test test_unify_one_side_polymorphic_fail ... ok
[INFO] [stdout] test test_parse ... 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<N>::unify (line 103) ... ok
[INFO] [stdout] test src/lib.rs -  (line 18) ... ok
[INFO] [stdout] test src/context.rs - context::Context<N>::confine (line 233) ... ok
[INFO] [stdout] test src/context.rs - context::Context<N>::unify (line 145) ... ok
[INFO] [stdout] test src/macros.rs - ptp (line 134) ... ignored
[INFO] [stdout] test src/context.rs - context::Context<N>::unify (line 122) ... ok
[INFO] [stdout] test src/context.rs - context::Context<N>::merge (line 306) ... ok
[INFO] [stdout] test src/context.rs - context::Context<N>::merge (line 276) ... ok
[INFO] [stdout] test src/context.rs - context::Context<N>::new_variable (line 72) ... 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/macros.rs - ptp (line 206) ... ok
[INFO] [stdout] test src/lib.rs -  (line 47) ... ok
[INFO] [stdout] test src/macros.rs - tp (line 45) ... ok
[INFO] [stdout] test src/macros.rs - ptp (line 177) ... ok
[INFO] [stdout] test src/macros.rs - tp (line 78) ... 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/macros.rs - tp (line 98) ... ok
[INFO] [stdout] test src/types.rs - types::Type::Constructed (line 232) ... ok
[INFO] [stdout] test src/types.rs - types::Type::Constructed (line 253) ... ok
[INFO] [stdout] test src/types.rs - types::Type::Constructed (line 241) ... ok
[INFO] [stdout] test src/types.rs - types::Type::Variable (line 276) ... ok
[INFO] [stdout] test src/types.rs - types::Type::Variable (line 288) ... ok
[INFO] [stdout] test src/types.rs - types::Type<N>::arrow (line 307) ... ok
[INFO] [stdout] test src/types.rs - types::Type<N>::args (line 375) ... ok
[INFO] [stdout] test src/types.rs - types::Type<N>::returns (line 410) ... ok
[INFO] [stdout] test src/types.rs - types::Type<N>::apply (line 443) ... ok
[INFO] [stdout] test src/types.rs - types::Type<N>::as_arrow (line 322) ... ok
[INFO] [stdout] test src/types.rs - types::Type<N>::parse (line 611) ... ok
[INFO] [stdout] test src/types.rs - types::TypeSchema<N>::bound_vars (line 59) ... ok
[INFO] [stdout] test src/types.rs - types::Type<N>::vars (line 529) ... ok
[INFO] [stdout] test src/types.rs - types::TypeSchema<N>::is_bound (line 40) ... ok
[INFO] [stdout] test src/types.rs - types::Type<N>::substitute (line 560) ... ok
[INFO] [stdout] test src/types.rs - types::Type<N>::generalize (line 492) ... ok
[INFO] [stdout] test src/types.rs - types::TypeSchema<N>::free_vars (line 82) ... ok
[INFO] [stdout] test src/types.rs - types::TypeSchema<N>::parse (line 176) ... ok
[INFO] [stdout] test src/types.rs - types::TypeSchema<N>::instantiate (line 113) ... 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" "3dc1cb034d8781de7694872ba5536b4a5a735c53c773c989b9977e936740f730"`
[INFO] running `"docker" "rm" "-f" "3dc1cb034d8781de7694872ba5536b4a5a735c53c773c989b9977e936740f730"`
[INFO] [stdout] 3dc1cb034d8781de7694872ba5536b4a5a735c53c773c989b9977e936740f730