[INFO] crate polytype 6.1.1 is already in cache
[INFO] extracting crate polytype 6.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/polytype/6.1.1
[INFO] extracting crate polytype 6.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/polytype/6.1.1
[INFO] validating manifest of polytype-6.1.1 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of polytype-6.1.1 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing polytype-6.1.1
[INFO] finished frobbing polytype-6.1.1
[INFO] frobbed toml for polytype-6.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/polytype/6.1.1/Cargo.toml
[INFO] started frobbing polytype-6.1.1
[INFO] finished frobbing polytype-6.1.1
[INFO] frobbed toml for polytype-6.1.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/polytype/6.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing polytype-6.1.1 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/polytype/6.1.1:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 3ddb47435e84b2d80fad43902777676c3210a13659e5a1b585e6142f2cf3b492
[INFO] running `"docker" "start" "-a" "3ddb47435e84b2d80fad43902777676c3210a13659e5a1b585e6142f2cf3b492"`
[INFO] [stderr]    Compiling polytype v6.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'nom::methods::call_m': Please use the nom-methods crate instead
[INFO] [stderr]  --> src/parser.rs:2:16
[INFO] [stderr]   |
[INFO] [stderr] 2 | use nom::{alt, call_m, do_parse, expr_res, map, map_res, method, opt, separated_list, tag, ws};
[INFO] [stderr]   |                ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'nom::methods::method': Please use the nom-methods crate instead
[INFO] [stderr]  --> src/parser.rs:2:58
[INFO] [stderr]   |
[INFO] [stderr] 2 | use nom::{alt, call_m, do_parse, expr_res, map, map_res, method, opt, separated_list, tag, ws};
[INFO] [stderr]   |                                                          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `"docker" "inspect" "3ddb47435e84b2d80fad43902777676c3210a13659e5a1b585e6142f2cf3b492"`
[INFO] running `"docker" "rm" "-f" "3ddb47435e84b2d80fad43902777676c3210a13659e5a1b585e6142f2cf3b492"`
[INFO] [stdout] 3ddb47435e84b2d80fad43902777676c3210a13659e5a1b585e6142f2cf3b492
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/polytype/6.1.1:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] db09e13cfa1228068d5ba8a34a7b8acb7af667b4216eee028ba58fbcde54fdbf
[INFO] running `"docker" "start" "-a" "db09e13cfa1228068d5ba8a34a7b8acb7af667b4216eee028ba58fbcde54fdbf"`
[INFO] [stderr]    Compiling polytype v6.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'nom::methods::call_m': Please use the nom-methods crate instead
[INFO] [stderr]  --> src/parser.rs:2:16
[INFO] [stderr]   |
[INFO] [stderr] 2 | use nom::{alt, call_m, do_parse, expr_res, map, map_res, method, opt, separated_list, tag, ws};
[INFO] [stderr]   |                ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'nom::methods::method': Please use the nom-methods crate instead
[INFO] [stderr]  --> src/parser.rs:2:58
[INFO] [stderr]   |
[INFO] [stderr] 2 | use nom::{alt, call_m, do_parse, expr_res, map, map_res, method, opt, separated_list, tag, ws};
[INFO] [stderr]   |                                                          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.23s
[INFO] running `"docker" "inspect" "db09e13cfa1228068d5ba8a34a7b8acb7af667b4216eee028ba58fbcde54fdbf"`
[INFO] running `"docker" "rm" "-f" "db09e13cfa1228068d5ba8a34a7b8acb7af667b4216eee028ba58fbcde54fdbf"`
[INFO] [stdout] db09e13cfa1228068d5ba8a34a7b8acb7af667b4216eee028ba58fbcde54fdbf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/polytype/6.1.1:/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 95ffe5fd5cb6b87f663e59fcb936e61f1110c0d72a4868633162e43b33b4232f
[INFO] running `"docker" "start" "-a" "95ffe5fd5cb6b87f663e59fcb936e61f1110c0d72a4868633162e43b33b4232f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/polytype-f91dd25280ff5393
[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-43e5d124a64bcee3
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test test_arrow_methods ... ok
[INFO] [stdout] test test_ptp_macro ... ok
[INFO] [stdout] test test_tp_from_vec ... ok
[INFO] [stdout] test test_tp_from_vecdeque ... ok
[INFO] [stdout] test test_unify_both_sides_polymorphic ... ok
[INFO] [stdout] test test_unify_both_sides_polymorphic_occurs ... ok
[INFO] [stdout] test test_tp_macro ... ok
[INFO] [stdout] test test_unify_nonstring_name ... ok
[INFO] [stdout] test test_merge_no_sacreds ... ok
[INFO] [stdout] test test_merge_with_sacreds ... ok
[INFO] [stdout] test test_parse ... ok
[INFO] [stdout] test test_unify_one_side_polymorphic ... 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 44 tests
[INFO] [stdout] test src/context.rs - context::Context<N>::unify (line 134) ... ok
[INFO] [stdout] test src/context.rs - context::Context<N>::new_variable (line 70) ... ok
[INFO] [stdout] test src/context.rs - context::Context<N>::unify (line 98) ... ok
[INFO] [stdout] test src/context.rs - context::Context<N>::unify (line 114) ... ok
[INFO] [stdout] test src/lib.rs -  (line 18) ... ok
[INFO] [stdout] test src/context.rs - context::Context<N>::confine (line 219) ... ok
[INFO] [stdout] test src/context.rs - context::Context<N>::merge (line 259) ... ok
[INFO] [stdout] test src/macros.rs - ptp (line 119) ... ignored
[INFO] [stdout] test src/context.rs - context::Context<N>::merge (line 286) ... ok
[INFO] [stdout] test src/lib.rs - Name (line 119) ... ok
[INFO] [stdout] test src/lib.rs - Infer (line 190) ... ok
[INFO] [stdout] test src/lib.rs - Name (line 127) ... ok
[INFO] [stdout] test src/lib.rs - Infer (line 205) ... ok
[INFO] [stdout] test src/macros.rs - tp (line 5) ... ignored
[INFO] [stdout] test src/macros.rs - ptp (line 141) ... ok
[INFO] [stdout] test src/macros.rs - ptp (line 159) ... ok
[INFO] [stdout] test src/lib.rs -  (line 44) ... ok
[INFO] [stdout] test src/macros.rs - tp (line 31) ... ok
[INFO] [stdout] test src/macros.rs - ptp (line 185) ... ok
[INFO] [stdout] test src/macros.rs - tp (line 53) ... ok
[INFO] [stdout] test src/macros.rs - tp (line 42) ... ok
[INFO] [stdout] test src/macros.rs - tp (line 69) ... ok
[INFO] [stdout] test src/lib.rs - Infer (line 242) ... ok
[INFO] [stdout] test src/types.rs - types::Type::Constructed (line 212) ... ok
[INFO] [stdout] test src/macros.rs - tp (line 86) ... ok
[INFO] [stdout] test src/types.rs - types::Type::Constructed (line 220) ... ok
[INFO] [stdout] test src/types.rs - types::Type::Variable (line 259) ... ok
[INFO] [stdout] test src/types.rs - types::Type::Constructed (line 229) ... ok
[INFO] [stdout] test src/types.rs - types::Type::Constructed (line 239) ... ok
[INFO] [stdout] test src/types.rs - types::Type::Variable (line 268) ... ok
[INFO] [stdout] test src/types.rs - types::Type<N>::arrow (line 285) ... ok
[INFO] [stdout] test src/types.rs - types::Type<N>::args (line 348) ... ok
[INFO] [stdout] test src/types.rs - types::Type<N>::as_arrow (line 297) ... ok
[INFO] [stdout] test src/types.rs - types::Type<N>::apply (line 412) ... ok
[INFO] [stdout] test src/types.rs - types::Type<N>::returns (line 381) ... ok
[INFO] [stdout] test src/types.rs - types::Type<N>::generalize (line 462) ... ok
[INFO] [stdout] test src/types.rs - types::Type<N>::parse (line 577) ... ok
[INFO] [stdout] test src/types.rs - types::TypeSchema<N>::bound_vars (line 57) ... 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 527) ... ok
[INFO] [stdout] test src/types.rs - types::Type<N>::vars (line 497) ... ok
[INFO] [stdout] test src/types.rs - types::TypeSchema<N>::instantiate (line 107) ... ok
[INFO] [stdout] test src/types.rs - types::TypeSchema<N>::free_vars (line 78) ... ok
[INFO] [stdout] test src/types.rs - types::TypeSchema<N>::parse (line 167) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 42 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "95ffe5fd5cb6b87f663e59fcb936e61f1110c0d72a4868633162e43b33b4232f"`
[INFO] running `"docker" "rm" "-f" "95ffe5fd5cb6b87f663e59fcb936e61f1110c0d72a4868633162e43b33b4232f"`
[INFO] [stdout] 95ffe5fd5cb6b87f663e59fcb936e61f1110c0d72a4868633162e43b33b4232f