[INFO] fetching crate polytype 6.2.1...
[INFO] testing polytype-6.2.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate polytype 6.2.1 into /workspace/builds/worker-58/source
[INFO] validating manifest of crates.io crate polytype 6.2.1 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate polytype 6.2.1
[INFO] finished tweaking crates.io crate polytype 6.2.1
[INFO] tweaked toml for crates.io crate polytype 6.2.1 written to /workspace/builds/worker-58/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 563de0d3732c99f43cf12625eb02d7713d2aa11ce21b20d276ce7cdcc722bc1a
[INFO] running `Command { std: "docker" "start" "-a" "563de0d3732c99f43cf12625eb02d7713d2aa11ce21b20d276ce7cdcc722bc1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "563de0d3732c99f43cf12625eb02d7713d2aa11ce21b20d276ce7cdcc722bc1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "563de0d3732c99f43cf12625eb02d7713d2aa11ce21b20d276ce7cdcc722bc1a", kill_on_drop: false }`
[INFO] [stdout] 563de0d3732c99f43cf12625eb02d7713d2aa11ce21b20d276ce7cdcc722bc1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9ffa64d5af1ebb345f04335c0f57a22f531538c068e846c3e6a62cee0b082a9
[INFO] running `Command { std: "docker" "start" "-a" "c9ffa64d5af1ebb345f04335c0f57a22f531538c068e846c3e6a62cee0b082a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling nom v4.1.1
[INFO] [stderr]    Compiling polytype v6.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.41s
[INFO] running `Command { std: "docker" "inspect" "c9ffa64d5af1ebb345f04335c0f57a22f531538c068e846c3e6a62cee0b082a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9ffa64d5af1ebb345f04335c0f57a22f531538c068e846c3e6a62cee0b082a9", kill_on_drop: false }`
[INFO] [stdout] c9ffa64d5af1ebb345f04335c0f57a22f531538c068e846c3e6a62cee0b082a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39af6eca9db3a5d0fb8b5729f49a5b1733121c87ed27f436ab8c51eebf47f82f
[INFO] running `Command { std: "docker" "start" "-a" "39af6eca9db3a5d0fb8b5729f49a5b1733121c87ed27f436ab8c51eebf47f82f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling polytype v6.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `Command { std: "docker" "inspect" "39af6eca9db3a5d0fb8b5729f49a5b1733121c87ed27f436ab8c51eebf47f82f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39af6eca9db3a5d0fb8b5729f49a5b1733121c87ed27f436ab8c51eebf47f82f", kill_on_drop: false }`
[INFO] [stdout] 39af6eca9db3a5d0fb8b5729f49a5b1733121c87ed27f436ab8c51eebf47f82f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f3104a7fc660d4f40926cf2c28705892721eadc665c5da5a3b4cf81835983278
[INFO] running `Command { std: "docker" "start" "-a" "f3104a7fc660d4f40926cf2c28705892721eadc665c5da5a3b4cf81835983278", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/polytype-ce2aec4db567ceae)
[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-234f6094c68400b4)
[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_ptp_macro ... ok
[INFO] [stdout] test test_tp_from_vec ... ok
[INFO] [stdout] test test_tp_from_vecdeque ... ok
[INFO] [stdout] test test_tp_macro ... ok
[INFO] [stdout] test test_parse ... ok
[INFO] [stdout] test test_unify_both_sides_polymorphic_occurs ... ok
[INFO] [stdout] test test_unify_both_sides_polymorphic ... ok
[INFO] [stdout] test test_unify_nonstring_name ... 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; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests polytype
[INFO] [stdout] 
[INFO] [stdout] running 45 tests
[INFO] [stdout] test src/macros.rs - macros::ptp (line 119) ... ignored
[INFO] [stdout] test src/macros.rs - macros::tp (line 5) ... ignored
[INFO] [stdout] test src/lib.rs - Name (line 130) ... ok
[INFO] [stdout] test src/lib.rs - (line 44) ... FAILED
[INFO] [stdout] test src/lib.rs - Infer (line 247) ... FAILED
[INFO] [stdout] test src/context.rs - context::Context<N>::unify (line 210) ... FAILED
[INFO] [stdout] test src/types.rs - types::Type<N>::apply (line 409) ... FAILED
[INFO] [stdout] test src/context.rs - context::Context<N>::confine (line 295) ... FAILED
[INFO] [stdout] test src/types.rs - types::Type<N>::generalize (line 483) ... FAILED
[INFO] [stdout] test src/context.rs - context::Context<N>::unify (line 174) ... FAILED
[INFO] [stdout] test src/context.rs - context::Context<N>::unify (line 190) ... FAILED
[INFO] [stdout] test src/lib.rs - Infer (line 210) ... FAILED
[INFO] [stdout] test src/context.rs - context::Context<N>::merge (line 335) ... FAILED
[INFO] [stdout] test src/context.rs - context::Context<N>::merge (line 362) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 18) ... FAILED
[INFO] [stdout] test src/context.rs - context::Context<N>::clean (line 96) ... FAILED
[INFO] [stdout] test src/context.rs - context::Context<N>::new_variable (line 146) ... FAILED
[INFO] [stdout] test src/lib.rs - Infer (line 195) ... ok
[INFO] [stdout] test src/types.rs - types::TypeSchema<N>::bound_vars (line 56) ... ok
[INFO] [stdout] test src/types.rs - types::TypeSchema<N>::is_bound (line 39) ... ok
[INFO] [stdout] test src/types.rs - types::TypeSchema<N>::free_vars (line 77) ... 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/macros.rs - macros::ptp (line 159) ... ok
[INFO] [stdout] test src/types.rs - types::Type<N>::arrow (line 261) ... ok
[INFO] [stdout] test src/lib.rs - Name (line 122) ... ok
[INFO] [stdout] test src/types.rs - types::Type::Constructed (line 205) ... ok
[INFO] [stdout] test src/macros.rs - macros::tp (line 42) ... ok
[INFO] [stdout] test src/macros.rs - macros::tp (line 31) ... ok
[INFO] [stdout] test src/macros.rs - macros::tp (line 69) ... 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::TypeSchema<N>::parse (line 121) ... ok
[INFO] [stdout] test src/types.rs - types::Type<N>::vars (line 518) ... ok
[INFO] [stdout] test src/macros.rs - macros::ptp (line 185) ... ok
[INFO] [stdout] test src/macros.rs - macros::tp (line 53) ... ok
[INFO] [stdout] test src/types.rs - types::Type::Constructed (line 215) ... ok
[INFO] [stdout] test src/macros.rs - macros::ptp (line 141) ... ok
[INFO] [stdout] test src/types.rs - types::Type::Variable (line 235) ... ok
[INFO] [stdout] test src/types.rs - types::Type<N>::substitute (line 548) ... ok
[INFO] [stdout] test src/types.rs - types::Type<N>::returns (line 378) ... ok
[INFO] [stdout] test src/types.rs - types::Type::Constructed (line 196) ... ok
[INFO] [stdout] test src/types.rs - types::TypeSchema<N>::instantiate (line 108) ... ok
[INFO] [stdout] test src/macros.rs - macros::tp (line 86) ... ok
[INFO] [stdout] test src/parser.rs - parser::Type<N>::parse (line 146) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 44) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Infer (line 247) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/context.rs - context::Context<N>::unify (line 210) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/types.rs - types::Type<N>::apply (line 409) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/context.rs - context::Context<N>::confine (line 295) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/types.rs - types::Type<N>::generalize (line 483) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/context.rs - context::Context<N>::unify (line 174) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/context.rs - context::Context<N>::unify (line 190) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Infer (line 210) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/context.rs - context::Context<N>::merge (line 335) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/context.rs - context::Context<N>::merge (line 362) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 18) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/context.rs - context::Context<N>::clean (line 96) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/context.rs - context::Context<N>::new_variable (line 146) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/context.rs - context::Context<N>::clean (line 96)
[INFO] [stdout]     src/context.rs - context::Context<N>::confine (line 295)
[INFO] [stdout]     src/context.rs - context::Context<N>::merge (line 335)
[INFO] [stdout]     src/context.rs - context::Context<N>::merge (line 362)
[INFO] [stdout]     src/context.rs - context::Context<N>::new_variable (line 146)
[INFO] [stdout]     src/context.rs - context::Context<N>::unify (line 174)
[INFO] [stdout]     src/context.rs - context::Context<N>::unify (line 190)
[INFO] [stdout]     src/context.rs - context::Context<N>::unify (line 210)
[INFO] [stdout]     src/lib.rs - (line 18)
[INFO] [stdout]     src/lib.rs - (line 44)
[INFO] [stdout]     src/lib.rs - Infer (line 210)
[INFO] [stdout]     src/lib.rs - Infer (line 247)
[INFO] [stdout]     src/types.rs - types::Type<N>::apply (line 409)
[INFO] [stdout]     src/types.rs - types::Type<N>::generalize (line 483)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 29 passed; 14 failed; 2 ignored; 0 measured; 0 filtered out; finished in 30.90s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "f3104a7fc660d4f40926cf2c28705892721eadc665c5da5a3b4cf81835983278", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3104a7fc660d4f40926cf2c28705892721eadc665c5da5a3b4cf81835983278", kill_on_drop: false }`
[INFO] [stdout] f3104a7fc660d4f40926cf2c28705892721eadc665c5da5a3b4cf81835983278