[INFO] cloning repository https://github.com/andrewhickman/small-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andrewhickman/small-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewhickman%2Fsmall-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewhickman%2Fsmall-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 47997ebae4956f7234ef6fde75add004beca481d
[INFO] testing andrewhickman/small-lang against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewhickman%2Fsmall-lang" "/workspace/builds/worker-77/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-77/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andrewhickman/small-lang on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andrewhickman/small-lang
[INFO] finished tweaking git repo https://github.com/andrewhickman/small-lang
[INFO] tweaked toml for git repo https://github.com/andrewhickman/small-lang written to /workspace/builds/worker-77/source/Cargo.toml
[INFO] crate git repo https://github.com/andrewhickman/small-lang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/andrewhickman/mlsub-rs`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded paw v1.0.0
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[INFO] [stderr]   Downloaded small-ord-set v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09ff936d32da3271dd4c30a322d1b39e670e1ea8ef476236a136f29b82295a51
[INFO] running `Command { std: "docker" "start" "-a" "09ff936d32da3271dd4c30a322d1b39e670e1ea8ef476236a136f29b82295a51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09ff936d32da3271dd4c30a322d1b39e670e1ea8ef476236a136f29b82295a51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09ff936d32da3271dd4c30a322d1b39e670e1ea8ef476236a136f29b82295a51", kill_on_drop: false }`
[INFO] [stdout] 09ff936d32da3271dd4c30a322d1b39e670e1ea8ef476236a136f29b82295a51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6fad04c47485561f2da370b2538ffdd5d76ca5769e531ff2b9dc8b85fb6b60c
[INFO] running `Command { std: "docker" "start" "-a" "f6fad04c47485561f2da370b2538ffdd5d76ca5769e531ff2b9dc8b85fb6b60c", kill_on_drop: false }`
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[INFO] [stderr]    Compiling smallvec v1.4.2
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[INFO] [stderr]    Compiling small-ord-set v0.1.1
[INFO] [stderr]    Compiling mlsub v0.0.0 (https://github.com/andrewhickman/mlsub-rs?tag=v0.1.8#4b2ed988)
[INFO] [stderr]    Compiling codespan v0.9.5
[INFO] [stderr]    Compiling lalrpop v0.19.0
[INFO] [stderr]    Compiling small-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 44s
[INFO] running `Command { std: "docker" "inspect" "f6fad04c47485561f2da370b2538ffdd5d76ca5769e531ff2b9dc8b85fb6b60c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6fad04c47485561f2da370b2538ffdd5d76ca5769e531ff2b9dc8b85fb6b60c", kill_on_drop: false }`
[INFO] [stdout] f6fad04c47485561f2da370b2538ffdd5d76ca5769e531ff2b9dc8b85fb6b60c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1836496c811a5eeb938e0f79f2db15aa84e868e5ddd51113b064fa943fb2148c
[INFO] running `Command { std: "docker" "start" "-a" "1836496c811a5eeb938e0f79f2db15aa84e868e5ddd51113b064fa943fb2148c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling rayon-core v1.8.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
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[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling oorandom v11.1.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
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[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.12
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[INFO] [stderr]    Compiling num_cpus v1.13.0
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[INFO] [stderr]    Compiling crossbeam-channel v0.4.3
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[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling proptest v0.10.1
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling small-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 27.00s
[INFO] running `Command { std: "docker" "inspect" "1836496c811a5eeb938e0f79f2db15aa84e868e5ddd51113b064fa943fb2148c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1836496c811a5eeb938e0f79f2db15aa84e868e5ddd51113b064fa943fb2148c", kill_on_drop: false }`
[INFO] [stdout] 1836496c811a5eeb938e0f79f2db15aa84e868e5ddd51113b064fa943fb2148c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 00ece0e371e001a36d8aa35b8b1f9977a6b99a695b4bdc5be7fd8fe0dcddcb03
[INFO] running `Command { std: "docker" "start" "-a" "00ece0e371e001a36d8aa35b8b1f9977a6b99a695b4bdc5be7fd8fe0dcddcb03", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/small_lang-74831f3b365dc220)
[INFO] [stdout] 
[INFO] [stdout] running 147 tests
[INFO] [stdout] test check::ty::tests::record_ordering ... ok
[INFO] [stdout] test check::ty::tests::number_ordering ... ok
[INFO] [stdout] test check::ty::tests::enum_ordering ... ok
[INFO] [stdout] test syntax::tests::parse_roundtrip ... ignored
[INFO] [stdout] test tests::flow_error ... ok
[INFO] [stdout] test tests::invalid_token ... ok
[INFO] [stdout] test tests::enum_variant::unoptimized ... ok
[INFO] [stdout] test tests::expr::unoptimized ... ok
[INFO] [stdout] test tests::match_simple::optimized ... ok
[INFO] [stdout] test tests::null::unoptimized ... ok
[INFO] [stdout] test tests::func_shadow::optimized ... ok
[INFO] [stdout] test tests::pr2::optimized ... ok
[INFO] [stdout] test ui_tests::builtin_source ... ok
[INFO] [stdout] test tests::shadow::unoptimized ... ok
[INFO] [stdout] test tests::pr1::unoptimized ... ok
[INFO] [stdout] test tests::string_escape::unoptimized ... ok
[INFO] [stdout] test tests::string_escape::optimized ... ok
[INFO] [stdout] test tests::string::optimized ... ok
[INFO] [stdout] test tests::eq_incomparable::unoptimized ... ok
[INFO] [stdout] test tests::eq_func_inlined::optimized ... ok
[INFO] [stdout] test tests::float::optimized ... ok
[INFO] [stdout] test tests::enum_null_variant::optimized ... ok
[INFO] [stdout] test codegen_tests::not2 ... ok
[INFO] [stdout] test tests::not2::optimized ... ok
[INFO] [stdout] test tests::pr4::unoptimized ... ok
[INFO] [stdout] test ui_tests::builtin_primary_source ... ok
[INFO] [stdout] test tests::pr3 ... ok
[INFO] [stdout] test tests::rec_func::unoptimized ... ok
[INFO] [stdout] test ui_tests::enum_mismatch ... ok
[INFO] [stdout] test tests::rec_shadow::unoptimized ... ok
[INFO] [stdout] test tests::pr4::optimized ... ok
[INFO] [stdout] test tests::null::optimized ... ok
[INFO] [stdout] test ui_tests::parse_int_overflow ... ok
[INFO] [stdout] test tests::pr5::optimized ... ok
[INFO] [stdout] test ui_tests::syntax_error ... ok
[INFO] [stdout] test tests::enum_variant::optimized ... ok
[INFO] [stdout] test tests::add_coerce::unoptimized ... ok
[INFO] [stdout] test tests::eq_record::unoptimized ... ok
[INFO] [stdout] test tests::expr::optimized ... ok
[INFO] [stdout] test tests::match_subtyping::optimized ... ok
[INFO] [stdout] test tests::builtin_error ... ok
[INFO] [stdout] test tests::func_shadow::unoptimized ... ok
[INFO] [stdout] test tests::rec_chain::unoptimized ... ok
[INFO] [stdout] test tests::rec_func::optimized ... ok
[INFO] [stdout] test tests::import::unoptimized ... ok
[INFO] [stdout] test tests::pr2::unoptimized ... ok
[INFO] [stdout] test ui_tests::record_mismatch ... ok
[INFO] [stdout] test tests::float::unoptimized ... ok
[INFO] [stdout] test tests::xor::optimized ... ok
[INFO] [stdout] test tests::add_string::unoptimized ... ok
[INFO] [stdout] test optimize::inline_let::test_should_inline ... ok
[INFO] [stdout] test tests::rec_error ... ok
[INFO] [stdout] test tests::rec_shadow::optimized ... ok
[INFO] [stdout] test tests::rec_chain::optimized ... ok
[INFO] [stdout] test tests::pr5::unoptimized ... ok
[INFO] [stdout] test tests::import::optimized ... ok
[INFO] [stdout] test optimize::inline_iife::test_transform_full ... ok
[INFO] [stdout] test tests::eq_func_env::unoptimized ... ok
[INFO] [stdout] test tests::sub_coerce::unoptimized ... ok
[INFO] [stdout] test tests::undefined_var ... ok
[INFO] [stdout] test tests::eq_bool::unoptimized ... ok
[INFO] [stdout] test tests::int::unoptimized ... ok
[INFO] [stdout] test tests::var_in_module ... ok
[INFO] [stdout] test tests::match_error ... ok
[INFO] [stdout] test optimize::inline_iife::test_transform ... ok
[INFO] [stdout] test tests::pr1::optimized ... ok
[INFO] [stdout] test ui_tests::nested_error ... ok
[INFO] [stdout] test tests::not::unoptimized ... ok
[INFO] [stdout] test tests::match_val_error ... ok
[INFO] [stdout] test tests::null_error ... ok
[INFO] [stdout] test tests::match_subtyping::unoptimized ... ok
[INFO] [stdout] test tests::string::unoptimized ... ok
[INFO] [stdout] test tests::match_simple::unoptimized ... ok
[INFO] [stdout] test tests::list_length::optimized ... ok
[INFO] [stdout] test tests::eq_func_env::optimized ... ok
[INFO] [stdout] test tests::int::optimized ... ok
[INFO] [stdout] test tests::sugar_curry_order::unoptimized ... ok
[INFO] [stdout] test tests::enum_null_variant::unoptimized ... ok
[INFO] [stdout] test tests::not::optimized ... ok
[INFO] [stdout] test tests::not2::unoptimized ... ok
[INFO] [stdout] test tests::sub::optimized ... ok
[INFO] [stdout] test tests::curry::optimized ... ok
[INFO] [stdout] test tests::add::unoptimized ... ok
[INFO] [stdout] test tests::eq_record::optimized ... ok
[INFO] [stdout] test tests::add_float::unoptimized ... ok
[INFO] [stdout] test tests::add_coerce::optimized ... ok
[INFO] [stdout] test codegen_tests::inline_iife ... ok
[INFO] [stdout] test tests::recursive_import_b ... ok
[INFO] [stdout] test tests::sugar_curry::unoptimized ... ok
[INFO] [stdout] test tests::curry::unoptimized ... ok
[INFO] [stdout] test tests::type_error ... ok
[INFO] [stdout] test tests::slow::optimized ... ok
[INFO] [stdout] test tests::sub_error ... ok
[INFO] [stdout] test tests::sugar_curry_min::unoptimized ... ok
[INFO] [stdout] test ui_tests::unused_var ... ok
[INFO] [stdout] test tests::xor::unoptimized ... ok
[INFO] [stdout] test tests::eq_incomparable::optimized ... ok
[INFO] [stdout] test tests::sub::unoptimized ... ok
[INFO] [stdout] test tests::shadow::optimized ... ok
[INFO] [stdout] test tests::add_string_2::unoptimized ... ok
[INFO] [stdout] test tests::eq_ret_func::unoptimized ... ok
[INFO] [stdout] test tests::eq_ret_func::optimized ... ok
[INFO] [stdout] test tests::sugar_curry_min::optimized ... ok
[INFO] [stdout] test tests::recursive_import_a ... ok
[INFO] [stdout] test tests::sub_coerce::optimized ... ok
[INFO] [stdout] test tests::add_float::optimized ... ok
[INFO] [stdout] test tests::add_string::optimized ... ok
[INFO] [stdout] test tests::sub_float::unoptimized ... ok
[INFO] [stdout] test tests::sugar_curry::optimized ... ok
[INFO] [stdout] test optimize::inline_let::test_transform_full ... ok
[INFO] [stdout] test tests::sugar_curry_order::optimized ... ok
[INFO] [stdout] test tests::eq_func_inlined::unoptimized ... ok
[INFO] [stdout] test tests::eq_bool::optimized ... ok
[INFO] [stdout] test tests::add::optimized ... ok
[INFO] [stdout] test optimize::inline_let::test_transform ... ok
[INFO] [stdout] test tests::eq_func::optimized ... ok
[INFO] [stdout] test tests::add_string_error ... ok
[INFO] [stdout] test tests::slow::unoptimized ... ok
[INFO] [stdout] test tests::add_error ... ok
[INFO] [stdout] test tests::polymorphism::unoptimized ... ok
[INFO] [stdout] test ui_tests::multiple_source ... ok
[INFO] [stdout] test tests::add_string_2::optimized ... ok
[INFO] [stdout] test tests::sub_float::optimized ... ok
[INFO] [stdout] test tests::iter_length::optimized ... ok
[INFO] [stdout] test tests::eq_func::unoptimized ... ok
[INFO] [stdout] test codegen_tests::tail_recursion ... FAILED
[INFO] [stdout] test tests::list_length::unoptimized ... ok
[INFO] [stdout] test tests::polymorphism::optimized ... ok
[INFO] [stderr] 
[INFO] [stderr] thread 'optimize::tests::optimization_correctness' has overflowed its stack
[INFO] [stderr] fatal runtime error: stack overflow
[INFO] [stdout] test tests::tail_recursion::unoptimized ... ok
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/small_lang-74831f3b365dc220` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "00ece0e371e001a36d8aa35b8b1f9977a6b99a695b4bdc5be7fd8fe0dcddcb03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00ece0e371e001a36d8aa35b8b1f9977a6b99a695b4bdc5be7fd8fe0dcddcb03", kill_on_drop: false }`
[INFO] [stdout] 00ece0e371e001a36d8aa35b8b1f9977a6b99a695b4bdc5be7fd8fe0dcddcb03