[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 1.49.0 for beta-1.50-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewhickman%2Fsmall-lang" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/andrewhickman/small-lang on toolchain 1.49.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-8/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" "+1.49.0" "fetch" "--locked" "--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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 828397fbd72f1094592ceb9e6de70ba14ffc6ab2cc45c5a51bf6ce4de9f8ffa4 [INFO] running `Command { std: "docker" "start" "-a" "828397fbd72f1094592ceb9e6de70ba14ffc6ab2cc45c5a51bf6ce4de9f8ffa4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "828397fbd72f1094592ceb9e6de70ba14ffc6ab2cc45c5a51bf6ce4de9f8ffa4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "828397fbd72f1094592ceb9e6de70ba14ffc6ab2cc45c5a51bf6ce4de9f8ffa4", kill_on_drop: false }` [INFO] [stdout] 828397fbd72f1094592ceb9e6de70ba14ffc6ab2cc45c5a51bf6ce4de9f8ffa4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7442375415be8d8c622bfd54e05a3faa460d88adb29621ad929dc6636e77a24a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "7442375415be8d8c622bfd54e05a3faa460d88adb29621ad929dc6636e77a24a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling syn v1.0.39 [INFO] [stderr] Compiling serde_derive v1.0.115 [INFO] [stderr] Compiling serde v1.0.115 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Compiling byte-tools v0.3.1 [INFO] [stderr] Compiling siphasher v0.3.3 [INFO] [stderr] Compiling either v1.6.0 [INFO] [stderr] Compiling new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling fixedbitset v0.2.0 [INFO] [stderr] Compiling bit-vec v0.6.2 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Compiling opaque-debug v0.2.3 [INFO] [stderr] Compiling diff v0.1.12 [INFO] [stderr] Compiling paw-raw v1.0.0 [INFO] [stderr] Compiling seahash v4.0.1 [INFO] [stderr] Compiling once_cell v1.4.1 [INFO] [stderr] Compiling iter-set v2.0.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling im v15.0.0 [INFO] [stderr] Compiling im-rc v15.0.0 [INFO] [stderr] Compiling block-padding v0.1.5 [INFO] [stderr] Compiling bit-set v0.5.2 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling aho-corasick v0.7.13 [INFO] [stderr] Compiling ena v0.14.0 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling petgraph v0.5.1 [INFO] [stderr] Compiling term v0.5.2 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_xoshiro v0.4.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling ascii-canvas v2.0.0 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling bitmaps v2.1.0 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling sha2 v0.8.2 [INFO] [stderr] Compiling regex v1.3.9 [INFO] [stderr] Compiling lalrpop-util v0.19.0 [INFO] [stderr] Compiling sized-chunks v0.6.2 [INFO] [stderr] Compiling paw-attributes v1.0.2 [INFO] [stderr] Compiling structopt-derive v0.4.10 [INFO] [stderr] Compiling paw v1.0.0 [INFO] [stderr] Compiling structopt v0.3.17 [INFO] [stderr] Compiling docopt v1.1.0 [INFO] [stderr] Compiling string_cache v0.8.0 [INFO] [stderr] Compiling smallvec v1.4.2 [INFO] [stderr] Compiling codespan-reporting v0.9.5 [INFO] [stderr] Compiling serde_json v1.0.57 [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 lalrpop v0.19.0 [INFO] [stderr] Compiling codespan v0.9.5 [INFO] [stderr] Compiling small-lang v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 39s [INFO] running `Command { std: "docker" "inspect" "7442375415be8d8c622bfd54e05a3faa460d88adb29621ad929dc6636e77a24a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7442375415be8d8c622bfd54e05a3faa460d88adb29621ad929dc6636e77a24a", kill_on_drop: false }` [INFO] [stdout] 7442375415be8d8c622bfd54e05a3faa460d88adb29621ad929dc6636e77a24a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5d80cf6b79c85098e0440e09e50a0879216ec59203f23b5e22cab7aac1d5a017 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "5d80cf6b79c85098e0440e09e50a0879216ec59203f23b5e22cab7aac1d5a017", 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] [stderr] Compiling rayon-core v1.8.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.9 [INFO] [stderr] Compiling half v1.6.0 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling oorandom v11.1.2 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.5 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling rayon v1.4.0 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Compiling walkdir v2.3.1 [INFO] [stderr] Compiling rand_xorshift v0.2.0 [INFO] [stderr] Compiling tinytemplate v1.1.0 [INFO] [stderr] Compiling serde_cbor v0.11.1 [INFO] [stderr] Compiling bstr v0.2.13 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling criterion-plot v0.4.3 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling crossbeam-channel v0.4.3 [INFO] [stderr] Compiling csv v1.1.3 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling tempfile v3.1.0 [INFO] [stderr] Compiling plotters v0.2.15 [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 1m 22s [INFO] running `Command { std: "docker" "inspect" "5d80cf6b79c85098e0440e09e50a0879216ec59203f23b5e22cab7aac1d5a017", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d80cf6b79c85098e0440e09e50a0879216ec59203f23b5e22cab7aac1d5a017", kill_on_drop: false }` [INFO] [stdout] 5d80cf6b79c85098e0440e09e50a0879216ec59203f23b5e22cab7aac1d5a017 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 771e4de5ac1364ed112bf8d33b2e06bd39f929e20e00aa0ef0e3a70abaf9b4eb [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "771e4de5ac1364ed112bf8d33b2e06bd39f929e20e00aa0ef0e3a70abaf9b4eb", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.18s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/small_lang-eb9b1cfe605a8801 [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 syntax::tests::parse_roundtrip ... ignored [INFO] [stdout] test check::ty::tests::enum_ordering ... ok [INFO] [stdout] test codegen_tests::inline_iife ... ok [INFO] [stdout] test codegen_tests::not2 ... ok [INFO] [stdout] test optimize::inline_let::test_transform_full ... ok [INFO] [stdout] test tests::add::unoptimized ... ok [INFO] [stdout] test codegen_tests::tail_recursion ... ok [INFO] [stdout] test tests::add_error ... ok [INFO] [stdout] test tests::add_coerce::unoptimized ... ok [INFO] [stdout] test tests::add_string::unoptimized ... ok [INFO] [stdout] test tests::add::optimized ... ok [INFO] [stdout] test optimize::inline_iife::test_transform_full ... ok [INFO] [stdout] test tests::add_float::optimized ... ok [INFO] [stdout] test tests::add_string::optimized ... ok [INFO] [stdout] test optimize::inline_let::test_should_inline ... ok [INFO] [stdout] test tests::enum_null_variant::unoptimized ... ok [INFO] [stdout] test tests::enum_null_variant::optimized ... ok [INFO] [stdout] test tests::add_string_2::optimized ... ok [INFO] [stdout] test tests::add_string_error ... ok [INFO] [stdout] test tests::add_coerce::optimized ... ok [INFO] [stdout] test tests::builtin_error ... ok [INFO] [stdout] test tests::eq_bool::optimized ... ok [INFO] [stdout] test tests::enum_variant::unoptimized ... ok [INFO] [stdout] test tests::enum_variant::optimized ... ok [INFO] [stdout] test tests::curry::unoptimized ... ok [INFO] [stdout] test tests::eq_func_inlined::unoptimized ... ok [INFO] [stdout] test tests::curry::optimized ... ok [INFO] [stdout] test optimize::inline_iife::test_transform ... ok [INFO] [stdout] test tests::eq_bool::unoptimized ... ok [INFO] [stdout] test tests::add_float::unoptimized ... ok [INFO] [stdout] test tests::eq_func_env::unoptimized ... ok [INFO] [stdout] test tests::eq_func_inlined::optimized ... ok [INFO] [stdout] test optimize::inline_let::test_transform ... ok [INFO] [stdout] test tests::expr::optimized ... ok [INFO] [stdout] test tests::eq_func::unoptimized ... ok [INFO] [stdout] test tests::expr::unoptimized ... ok [INFO] [stdout] test tests::eq_func::optimized ... ok [INFO] [stdout] test tests::float::optimized ... ok [INFO] [stdout] test tests::eq_record::optimized ... ok [INFO] [stdout] test tests::func_shadow::unoptimized ... ok [INFO] [stdout] test tests::eq_record::unoptimized ... ok [INFO] [stdout] test tests::add_string_2::unoptimized ... ok [INFO] [stdout] test tests::eq_incomparable::unoptimized ... ok [INFO] [stdout] test tests::flow_error ... ok [INFO] [stdout] test tests::int::optimized ... ok [INFO] [stdout] test tests::func_shadow::optimized ... ok [INFO] [stdout] test tests::eq_incomparable::optimized ... ok [INFO] [stdout] test tests::invalid_token ... ok [INFO] [stderr] [INFO] [stderr] thread 'optimize::tests::optimization_correctness' has overflowed its stack [INFO] [stderr] fatal runtime error: stack overflow [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-eb9b1cfe605a8801` (signal: 6, SIGABRT: process abort signal) [INFO] running `Command { std: "docker" "inspect" "771e4de5ac1364ed112bf8d33b2e06bd39f929e20e00aa0ef0e3a70abaf9b4eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "771e4de5ac1364ed112bf8d33b2e06bd39f929e20e00aa0ef0e3a70abaf9b4eb", kill_on_drop: false }` [INFO] [stdout] 771e4de5ac1364ed112bf8d33b2e06bd39f929e20e00aa0ef0e3a70abaf9b4eb