[INFO] fetching crate melodeon 0.1.0...
[INFO] testing melodeon-0.1.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate melodeon 0.1.0 into /workspace/builds/worker-52/source
[INFO] validating manifest of crates.io crate melodeon 0.1.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate melodeon 0.1.0
[INFO] finished tweaking crates.io crate melodeon 0.1.0
[INFO] tweaked toml for crates.io crate melodeon 0.1.0 written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] crate crates.io crate melodeon 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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
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[INFO] [stdout] 3b73b225352dde9c9409b52a95b6fbc405a2d6096d9c872af754ccb27fa4d28c
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[INFO] [stdout] d2ad639d3c1f5c754d17cb0ce4d92eba211c13d0c95421d5ddfe5fc9f910dd50
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[INFO] [stderr]    Compiling melodeon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `zero`
[INFO] [stdout]   --> src/typesys/poly.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn zero() -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.04s
[INFO] running `Command { std: "docker" "inspect" "d2ad639d3c1f5c754d17cb0ce4d92eba211c13d0c95421d5ddfe5fc9f910dd50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2ad639d3c1f5c754d17cb0ce4d92eba211c13d0c95421d5ddfe5fc9f910dd50", kill_on_drop: false }`
[INFO] [stdout] d2ad639d3c1f5c754d17cb0ce4d92eba211c13d0c95421d5ddfe5fc9f910dd50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f44ca3583bf05b553f5d0ff02540265c21a288aefd8b86c016650a8d56a1c718
[INFO] running `Command { std: "docker" "start" "-a" "f44ca3583bf05b553f5d0ff02540265c21a288aefd8b86c016650a8d56a1c718", kill_on_drop: false }`
[INFO] [stdout] warning: associated function is never used: `zero`
[INFO] [stdout]   --> src/typesys/poly.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn zero() -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling melodeon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 20.02s
[INFO] running `Command { std: "docker" "inspect" "f44ca3583bf05b553f5d0ff02540265c21a288aefd8b86c016650a8d56a1c718", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f44ca3583bf05b553f5d0ff02540265c21a288aefd8b86c016650a8d56a1c718", kill_on_drop: false }`
[INFO] [stdout] f44ca3583bf05b553f5d0ff02540265c21a288aefd8b86c016650a8d56a1c718
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] caa6e7f4e056aa276be52365c1fb97bafc990ca86e3c8b53994cf33396faff4d
[INFO] running `Command { std: "docker" "start" "-a" "caa6e7f4e056aa276be52365c1fb97bafc990ca86e3c8b53994cf33396faff4d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: associated function is never used: `zero`
[INFO] [stderr]   --> src/typesys/poly.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn zero() -> Self {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `melodeon` (lib) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/melodeon-2336ceb78a84354e)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test typesys::poly::tests::simple_poly ... ok
[INFO] [stdout] test typesys::types::tests::sub_hole_punching ... ok
[INFO] [stdout] test typesys::typecheck::tests::typecheck_simple ... ok
[INFO] [stdout] test typesys::types::tests::simple_fill ... ok
[INFO] [stdout] test typesys::types::tests::tricky_unification ... ok
[INFO] [stdout] test grammar::parser::tests::test_parse ... ok
[INFO] [stdout] test typesys::types::tests::tricky_range ... ok
[INFO] [stdout] test codegen::tests::simple_codegen ... FAILED
[INFO] [stdout] test typesys::typecheck::tests::typecheck_whole ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- codegen::tests::simple_codegen stdout ----
[INFO] [stdout] [DEBUG melodeon::grammar::parser] parsing 317 chars at whatever.melo
[INFO] [stdout] [TRACE melodeon::grammar::parser] defn rule fun_def_gen on "def succ<$n>(x: {$n..$n}) = $n + 1\n                        "
[INFO] [stdout] [TRACE melodeon::grammar::parser] type_expr rule type_union on "{$n..$n}"
[INFO] [stdout] [TRACE melodeon::grammar::parser] type_expr rule type_natrange on "{$n..$n}"
[INFO] [stdout] [TRACE melodeon::grammar::parser] expr rule rel_expr on "$n + 1\n                        "
[INFO] [stdout] [TRACE melodeon::grammar::parser]  expr rule add_expr on "$n + 1\n                        "
[INFO] [stdout] [TRACE melodeon::grammar::parser]   expr rule mult_expr on "$n "
[INFO] [stdout] [TRACE melodeon::grammar::parser]    expr rule apply_expr on "$n "
[INFO] [stdout] [TRACE melodeon::grammar::parser]     expr rule cgvar_name on "$n"
[INFO] [stdout] [TRACE melodeon::grammar::parser]   expr rule mult_expr on "1\n                        "
[INFO] [stdout] [TRACE melodeon::grammar::parser]    expr rule apply_expr on "1\n                        "
[INFO] [stdout] [TRACE melodeon::grammar::parser]     expr rule nat_literal on "1"
[INFO] [stdout] [TRACE melodeon::grammar::parser] defn rule fun_def_gen on "def peel<$n>(x : {$n+1..$n+1}) = $n\n                        "
[INFO] [stdout] [TRACE melodeon::grammar::parser] type_expr rule type_union on "{$n+1..$n+1}"
[INFO] [stdout] [TRACE melodeon::grammar::parser] type_expr rule type_natrange on "{$n+1..$n+1}"
[INFO] [stdout] [TRACE melodeon::grammar::parser] expr rule rel_expr on "$n\n                        "
[INFO] [stdout] [TRACE melodeon::grammar::parser]  expr rule add_expr on "$n\n                        "
[INFO] [stdout] [TRACE melodeon::grammar::parser]   expr rule mult_expr on "$n\n                        "
[INFO] [stdout] [TRACE melodeon::grammar::parser]    expr rule apply_expr on "$n\n                        "
[INFO] [stdout] [TRACE melodeon::grammar::parser]     expr rule cgvar_name on "$n"
[INFO] [stdout] [TRACE melodeon::grammar::parser] expr rule let_expr on "let x = 0 in\n                        loop 100 do\n                            set! x = x + 1\n                        done with x\n                "
[INFO] [stdout] [TRACE melodeon::grammar::parser]  expr rule rel_expr on "0 "
[INFO] [stdout] [TRACE melodeon::grammar::parser]   expr rule add_expr on "0 "
[INFO] [stdout] [TRACE melodeon::grammar::parser]    expr rule mult_expr on "0 "
[INFO] [stdout] [TRACE melodeon::grammar::parser]     expr rule apply_expr on "0 "
[INFO] [stdout] [TRACE melodeon::grammar::parser]      expr rule nat_literal on "0"
[INFO] [stdout] [TRACE melodeon::grammar::parser]  expr rule loop_expr on "loop 100 do\n                            set! x = x + 1\n                        done with x\n                "
[INFO] [stdout] [TRACE melodeon::grammar::parser]   expr rule rel_expr on "x\n                "
[INFO] [stdout] [TRACE melodeon::grammar::parser]    expr rule add_expr on "x\n                "
[INFO] [stdout] [TRACE melodeon::grammar::parser]     expr rule mult_expr on "x\n                "
[INFO] [stdout] [TRACE melodeon::grammar::parser]      expr rule apply_expr on "x\n                "
[INFO] [stdout] [TRACE melodeon::grammar::parser]       expr rule var_name on "x"
[INFO] [stdout] [TRACE melodeon::grammar::parser]   expr rule rel_expr on "x + 1\n                        "
[INFO] [stdout] [TRACE melodeon::grammar::parser]    expr rule add_expr on "x + 1\n                        "
[INFO] [stdout] [TRACE melodeon::grammar::parser]     expr rule mult_expr on "x "
[INFO] [stdout] [TRACE melodeon::grammar::parser]      expr rule apply_expr on "x "
[INFO] [stdout] [TRACE melodeon::grammar::parser]       expr rule var_name on "x"
[INFO] [stdout] [TRACE melodeon::grammar::parser]     expr rule mult_expr on "1\n                        "
[INFO] [stdout] [TRACE melodeon::grammar::parser]      expr rule apply_expr on "1\n                        "
[INFO] [stdout] [TRACE melodeon::grammar::parser]       expr rule nat_literal on "1"
[INFO] [stdout] [DEBUG melodeon::typesys::typecheck] typechecking whole program rooted at Some("whatever.melo") with 2 defs
[INFO] [stdout] [TRACE melodeon::grammar::raw_ast] visiting succ
[INFO] [stdout] [TRACE melodeon::grammar::raw_ast] visiting peel
[INFO] [stdout] [DEBUG melodeon::grammar::raw_ast] definitions sorted: [succ, peel]
[INFO] [stdout] [TRACE melodeon::typesys::types] checking {$n} <:? Nat
[INFO] [stdout] [TRACE melodeon::typesys::types] checking {1} <:? Nat
[INFO] [stdout] [TRACE melodeon::typesys::types] unify_cvars {0..1} with {$n}
[INFO] [stdout] [TRACE melodeon::typesys::types] post cg-unify: {0: $n, 1: $n}
[INFO] [stdout] [TRACE melodeon::typesys::types] unify_cvars {0..1} with {1}
[INFO] [stdout] [TRACE melodeon::typesys::types] post cg-unify: {1: 1, 0: 1}
[INFO] [stdout] [TRACE melodeon::typesys::typecheck] a_range = {0: $n, 1: $n}, b_range = {1: 1, 0: 1}
[INFO] [stdout] [TRACE melodeon::typesys::typecheck] initial definitions created: [FunDefn { name: succ, args: [x], body: Expr { itype: {($n + 1)}, inner: BinOp(Add, Expr { itype: {$n}, inner: LitConst($n) }, Expr { itype: {1}, inner: LitNum(1) }) } }, FunDefn { name: peel, args: [x], body: Expr { itype: {$n}, inner: LitConst($n) } }]
[INFO] [stdout] [TRACE melodeon::typesys::types] checking {0} <:? Nat
[INFO] [stdout] [TRACE melodeon::typesys::types] checking {1} <:? Nat
[INFO] [stdout] [TRACE melodeon::typesys::types] unify_cvars {0..1} with {0}
[INFO] [stdout] [TRACE melodeon::typesys::types] post cg-unify: {1: 0, 0: 0}
[INFO] [stdout] [TRACE melodeon::typesys::types] unify_cvars {0..1} with {1}
[INFO] [stdout] [TRACE melodeon::typesys::types] post cg-unify: {1: 1, 0: 1}
[INFO] [stdout] [TRACE melodeon::typesys::typecheck] a_range = {1: 0, 0: 0}, b_range = {1: 1, 0: 1}
[INFO] [stdout] [TRACE melodeon::typesys::types] checking {1} <:? {0}
[INFO] [stdout] [TRACE melodeon::typesys::poly] comparing  <=? 1
[INFO] [stdout] [TRACE melodeon::typesys::poly] comparing 1 <=? 
[INFO] [stdout] thread 'codegen::tests::simple_codegen' panicked at 'called `Result::unwrap()` on an `Err` value: assigning value of incompatible type {1} to variable x of type {0}
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: anyhow::error::<impl anyhow::Error>::msg
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/anyhow-1.0.48/src/error.rs:79:36
[INFO] [stdout]    1: melodeon::typesys::typecheck::typecheck_expr::{{closure}}
[INFO] [stdout]              at ./src/typesys/typecheck.rs:756:29
[INFO] [stdout]    2: core::iter::adapters::map::map_try_fold::{{closure}}
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/iter/adapters/map.rs:91:28
[INFO] [stdout]    3: core::iter::traits::iterator::Iterator::try_fold
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/iter/traits/iterator.rs:1995:21
[INFO] [stdout]    4: <core::iter::adapters::map::Map<I,F> as core::iter::traits::iterator::Iterator>::try_fold
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/iter/adapters/map.rs:117:9
[INFO] [stdout]    5: <core::iter::adapters::ResultShunt<I,E> as core::iter::traits::iterator::Iterator>::try_fold
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/iter/adapters/mod.rs:178:9
[INFO] [stdout]    6: core::iter::traits::iterator::Iterator::find
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/iter/traits/iterator.rs:2383:9
[INFO] [stdout]    7: <core::iter::adapters::ResultShunt<I,E> as core::iter::traits::iterator::Iterator>::next
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/iter/adapters/mod.rs:160:9
[INFO] [stdout]    8: <imbl::vector::Vector<A> as core::iter::traits::collect::FromIterator<A>>::from_iter
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/imbl-1.0.1/./src/vector/mod.rs:1895:21
[INFO] [stdout]    9: core::iter::traits::iterator::Iterator::collect
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/iter/traits/iterator.rs:1745:9
[INFO] [stdout]   10: <core::result::Result<V,E> as core::iter::traits::collect::FromIterator<core::result::Result<A,E>>>::from_iter::{{closure}}
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/result.rs:1883:53
[INFO] [stdout]   11: core::iter::adapters::process_results
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/iter/adapters/mod.rs:149:17
[INFO] [stdout]   12: <core::result::Result<V,E> as core::iter::traits::collect::FromIterator<core::result::Result<A,E>>>::from_iter
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/result.rs:1883:9
[INFO] [stdout]   13: core::iter::traits::iterator::Iterator::collect
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/iter/traits/iterator.rs:1745:9
[INFO] [stdout]   14: melodeon::typesys::typecheck::typecheck_expr
[INFO] [stdout]              at ./src/typesys/typecheck.rs:746:24
[INFO] [stdout]   15: melodeon::typesys::typecheck::typecheck_expr
[INFO] [stdout]              at ./src/typesys/typecheck.rs:198:24
[INFO] [stdout]   16: melodeon::typesys::typecheck::typecheck_program
[INFO] [stdout]              at ./src/typesys/typecheck.rs:181:28
[INFO] [stdout]   17: melodeon::codegen::tests::simple_codegen
[INFO] [stdout]              at ./src/codegen.rs:427:17
[INFO] [stdout]   18: melodeon::codegen::tests::simple_codegen::{{closure}}
[INFO] [stdout]              at ./src/codegen.rs:421:5
[INFO] [stdout]   19: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21: test::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:585:5
[INFO] [stdout]   22: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   23: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   24: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40
[INFO] [stdout]   25: std::panicking::try
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19
[INFO] [stdout]   26: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14
[INFO] [stdout]   27: test::run_test_in_process
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:608:18
[INFO] [stdout]   28: test::run_test::run_test_inner::{{closure}}
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:500:39
[INFO] [stdout]   29: test::run_test::run_test_inner::{{closure}}
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:527:37
[INFO] [stdout]   30: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:123:18
[INFO] [stdout]   31: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/thread/mod.rs:484:17
[INFO] [stdout]   32: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   33: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40
[INFO] [stdout]   34: std::panicking::try
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19
[INFO] [stdout]   35: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14
[INFO] [stdout]   36: std::thread::Builder::spawn_unchecked::{{closure}}
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/thread/mod.rs:483:30
[INFO] [stdout]   37: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   39: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   40: std::sys::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys/unix/thread.rs:106:17
[INFO] [stdout]   41: start_thread
[INFO] [stdout]   42: clone', src/codegen.rs:442:18
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5652bdc3adcc - std::backtrace_rs::backtrace::libunwind::trace::h793e05efd273d0f4
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x5652bdc3adcc - std::backtrace_rs::backtrace::trace_unsynchronized::h640b7b86ff610c77
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5652bdc3adcc - std::sys_common::backtrace::_print_fmt::h362fa2a4f354f877
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x5652bdc3adcc - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf439e5ed84c74abd
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x5652bdc5e0fc - core::fmt::write::h72801a82c94e6ff1
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/fmt/mod.rs:1149:17
[INFO] [stdout]    5:     0x5652bdc36ad5 - std::io::Write::write_fmt::h54337adeb3504c03
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/io/mod.rs:1697:15
[INFO] [stdout]    6:     0x5652bdc3c820 - std::sys_common::backtrace::_print::hb29ddd998d02631c
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x5652bdc3c820 - std::sys_common::backtrace::print::h81965e3d7c90fbb6
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x5652bdc3c820 - std::panicking::default_hook::{{closure}}::h84db205ab6674b38
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:211:50
[INFO] [stdout]    9:     0x5652bdc3c406 - std::panicking::default_hook::h1bf8bb4159936bca
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:225:9
[INFO] [stdout]   10:     0x5652bdc3ced4 - std::panicking::rust_panic_with_hook::hf8e86850fbbd03b1
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:606:17
[INFO] [stdout]   11:     0x5652bdc3c9b0 - std::panicking::begin_panic_handler::{{closure}}::h590a0d6060ff866e
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:502:13
[INFO] [stdout]   12:     0x5652bdc3b284 - std::sys_common::backtrace::__rust_end_short_backtrace::h260b8bd1c848a03c
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:139:18
[INFO] [stdout]   13:     0x5652bdc3c919 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:498:5
[INFO] [stdout]   14:     0x5652bd37adb1 - core::panicking::panic_fmt::h7b8580d81fcbbacd
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panicking.rs:106:14
[INFO] [stdout]   15:     0x5652bd37aea3 - core::result::unwrap_failed::h885d3f7beb571353
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/result.rs:1613:5
[INFO] [stdout]   16:     0x5652bd5d3993 - core::result::Result<T,E>::unwrap::he03967962b0b5552
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/result.rs:1295:23
[INFO] [stdout]   17:     0x5652bd7801df - melodeon::codegen::tests::simple_codegen::hce1a949304981438
[INFO] [stdout]                                at /opt/rustwide/workdir/src/codegen.rs:427:17
[INFO] [stdout]   18:     0x5652bd78011a - melodeon::codegen::tests::simple_codegen::{{closure}}::h82debbffe4cb3e1e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/codegen.rs:421:5
[INFO] [stdout]   19:     0x5652bd79174e - core::ops::function::FnOnce::call_once::h6825e95c5a735ed6
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x5652bdba91e3 - core::ops::function::FnOnce::call_once::h24a32b9da1a40fdb
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x5652bdba91e3 - test::__rust_begin_short_backtrace::h3c3a0492fb4a12eb
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:585:5
[INFO] [stdout]   22:     0x5652bdba7df7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h9a8e38435f73d5e0
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   23:     0x5652bdba7df7 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb23d7496a0e6d1b4
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   24:     0x5652bdba7df7 - std::panicking::try::do_call::ha2bb9825b32d2cc2
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40
[INFO] [stdout]   25:     0x5652bdba7df7 - std::panicking::try::hdc38a574bbebc53e
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19
[INFO] [stdout]   26:     0x5652bdba7df7 - std::panic::catch_unwind::hc45ed246595c621c
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14
[INFO] [stdout]   27:     0x5652bdba7df7 - test::run_test_in_process::h4249138faaea8d54
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:608:18
[INFO] [stdout]   28:     0x5652bdba7df7 - test::run_test::run_test_inner::{{closure}}::h3c1b37669f6e9fd7
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:500:39
[INFO] [stdout]   29:     0x5652bdb7509e - test::run_test::run_test_inner::{{closure}}::h388760469edd5c24
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:527:37
[INFO] [stdout]   30:     0x5652bdb7509e - std::sys_common::backtrace::__rust_begin_short_backtrace::hbbaecdcfad18643e
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:123:18
[INFO] [stdout]   31:     0x5652bdb79df8 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h09cd3ca65896da91
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/thread/mod.rs:484:17
[INFO] [stdout]   32:     0x5652bdb79df8 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc52dbb4f9088d18b
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   33:     0x5652bdb79df8 - std::panicking::try::do_call::h4485cfee22b11c08
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40
[INFO] [stdout]   34:     0x5652bdb79df8 - std::panicking::try::hb62aa8549e20c08b
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19
[INFO] [stdout]   35:     0x5652bdb79df8 - std::panic::catch_unwind::ha322c7a5bc666762
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14
[INFO] [stdout]   36:     0x5652bdb79df8 - std::thread::Builder::spawn_unchecked::{{closure}}::h1076fc1398603b77
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/thread/mod.rs:483:30
[INFO] [stdout]   37:     0x5652bdb79df8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h911e510344167353
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x5652bdc419d3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h771719d52c343434
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   39:     0x5652bdc419d3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf441746dfa4b0f57
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   40:     0x5652bdc419d3 - std::sys::unix::thread::Thread::new::thread_start::hfd168f9d312b29ca
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys/unix/thread.rs:106:17
[INFO] [stdout]   41:     0x7f7caedf3609 - start_thread
[INFO] [stdout]   42:     0x7f7caebc5293 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- typesys::typecheck::tests::typecheck_whole stdout ----
[INFO] [stdout] [DEBUG melodeon::grammar::parser] parsing 169 chars at whatever.melo
[INFO] [stdout] [TRACE melodeon::grammar::parser] defn rule fun_def_gen on "def foo<$n>() = succ(0)\n"
[INFO] [stdout] [TRACE melodeon::grammar::parser] expr rule rel_expr on "succ(0)\n"
[INFO] [stdout] [TRACE melodeon::grammar::parser]  expr rule add_expr on "succ(0)\n"
[INFO] [stdout] [TRACE melodeon::grammar::parser]   expr rule mult_expr on "succ(0)\n"
[INFO] [stdout] [TRACE melodeon::grammar::parser]    expr rule apply_expr on "succ(0)"
[INFO] [stdout] [TRACE melodeon::grammar::parser]     expr rule var_name on "succ"
[INFO] [stdout] [TRACE melodeon::grammar::parser]     expr rule rel_expr on "0"
[INFO] [stdout] [TRACE melodeon::grammar::parser]      expr rule add_expr on "0"
[INFO] [stdout] [TRACE melodeon::grammar::parser]       expr rule mult_expr on "0"
[INFO] [stdout] [TRACE melodeon::grammar::parser]        expr rule apply_expr on "0"
[INFO] [stdout] [TRACE melodeon::grammar::parser]         expr rule nat_literal on "0"
[INFO] [stdout] [TRACE melodeon::grammar::parser] defn rule fun_def_gen on "def succ<$n>(x: {$n..$n}) = $n + 1\n"
[INFO] [stdout] [TRACE melodeon::grammar::parser] type_expr rule type_union on "{$n..$n}"
[INFO] [stdout] [TRACE melodeon::grammar::parser] type_expr rule type_natrange on "{$n..$n}"
[INFO] [stdout] [TRACE melodeon::grammar::parser] expr rule rel_expr on "$n + 1\n"
[INFO] [stdout] [TRACE melodeon::grammar::parser]  expr rule add_expr on "$n + 1\n"
[INFO] [stdout] [TRACE melodeon::grammar::parser]   expr rule mult_expr on "$n "
[INFO] [stdout] [TRACE melodeon::grammar::parser]    expr rule apply_expr on "$n "
[INFO] [stdout] [TRACE melodeon::grammar::parser]     expr rule cgvar_name on "$n"
[INFO] [stdout] [TRACE melodeon::grammar::parser]   expr rule mult_expr on "1\n"
[INFO] [stdout] [TRACE melodeon::grammar::parser]    expr rule apply_expr on "1\n"
[INFO] [stdout] [TRACE melodeon::grammar::parser]     expr rule nat_literal on "1"
[INFO] [stdout] [TRACE melodeon::grammar::parser] defn rule fun_def_gen on "def peel<$n>(x : {$n+1..$n+1}) = $n\n"
[INFO] [stdout] [TRACE melodeon::grammar::parser] type_expr rule type_union on "{$n+1..$n+1}"
[INFO] [stdout] [TRACE melodeon::grammar::parser] type_expr rule type_natrange on "{$n+1..$n+1}"
[INFO] [stdout] [TRACE melodeon::grammar::parser] expr rule rel_expr on "$n\n"
[INFO] [stdout] [TRACE melodeon::grammar::parser]  expr rule add_expr on "$n\n"
[INFO] [stdout] [TRACE melodeon::grammar::parser]   expr rule mult_expr on "$n\n"
[INFO] [stdout] [TRACE melodeon::grammar::parser]    expr rule apply_expr on "$n\n"
[INFO] [stdout] [TRACE melodeon::grammar::parser]     expr rule cgvar_name on "$n"
[INFO] [stdout] [TRACE melodeon::grammar::parser] expr rule let_expr on "let x = 0 in\nloop 100 do\nset! x = x + 1\ndone with x\n                "
[INFO] [stdout] [TRACE melodeon::grammar::parser]  expr rule rel_expr on "0 "
[INFO] [stdout] [TRACE melodeon::grammar::parser]   expr rule add_expr on "0 "
[INFO] [stdout] [TRACE melodeon::grammar::parser]    expr rule mult_expr on "0 "
[INFO] [stdout] [TRACE melodeon::grammar::parser]     expr rule apply_expr on "0 "
[INFO] [stdout] [TRACE melodeon::grammar::parser]      expr rule nat_literal on "0"
[INFO] [stdout] [TRACE melodeon::grammar::parser]  expr rule loop_expr on "loop 100 do\nset! x = x + 1\ndone with x\n                "
[INFO] [stdout] [TRACE melodeon::grammar::parser]   expr rule rel_expr on "x\n                "
[INFO] [stdout] [TRACE melodeon::grammar::parser]    expr rule add_expr on "x\n                "
[INFO] [stdout] [TRACE melodeon::grammar::parser]     expr rule mult_expr on "x\n                "
[INFO] [stdout] [TRACE melodeon::grammar::parser]      expr rule apply_expr on "x\n                "
[INFO] [stdout] [TRACE melodeon::grammar::parser]       expr rule var_name on "x"
[INFO] [stdout] [TRACE melodeon::grammar::parser]   expr rule rel_expr on "x + 1\n"
[INFO] [stdout] [TRACE melodeon::grammar::parser]    expr rule add_expr on "x + 1\n"
[INFO] [stdout] [TRACE melodeon::grammar::parser]     expr rule mult_expr on "x "
[INFO] [stdout] [TRACE melodeon::grammar::parser]      expr rule apply_expr on "x "
[INFO] [stdout] [TRACE melodeon::grammar::parser]       expr rule var_name on "x"
[INFO] [stdout] [TRACE melodeon::grammar::parser]     expr rule mult_expr on "1\n"
[INFO] [stdout] [TRACE melodeon::grammar::parser]      expr rule apply_expr on "1\n"
[INFO] [stdout] [TRACE melodeon::grammar::parser]       expr rule nat_literal on "1"
[INFO] [stdout] [DEBUG melodeon::typesys::typecheck] typechecking whole program rooted at Some("whatever.melo") with 3 defs
[INFO] [stdout] [TRACE melodeon::grammar::raw_ast] visiting foo
[INFO] [stdout] [TRACE melodeon::grammar::raw_ast] foo depends on succ
[INFO] [stdout] [TRACE melodeon::grammar::raw_ast] visiting succ
[INFO] [stdout] [TRACE melodeon::grammar::raw_ast] visiting peel
[INFO] [stdout] [DEBUG melodeon::grammar::raw_ast] definitions sorted: [succ, foo, peel]
[INFO] [stdout] [TRACE melodeon::typesys::types] checking {$n} <:? Nat
[INFO] [stdout] [TRACE melodeon::typesys::types] checking {1} <:? Nat
[INFO] [stdout] [TRACE melodeon::typesys::types] unify_cvars {0..1} with {$n}
[INFO] [stdout] [TRACE melodeon::typesys::types] post cg-unify: {1: $n, 0: $n}
[INFO] [stdout] [TRACE melodeon::typesys::types] unify_cvars {0..1} with {1}
[INFO] [stdout] [TRACE melodeon::typesys::types] post cg-unify: {1: 1, 0: 1}
[INFO] [stdout] [TRACE melodeon::typesys::typecheck] a_range = {1: $n, 0: $n}, b_range = {1: 1, 0: 1}
[INFO] [stdout] [TRACE melodeon::typesys::types] unify_tvars {$n} with {0}
[INFO] [stdout] [TRACE melodeon::typesys::types] found locations: {}
[INFO] [stdout] [TRACE melodeon::typesys::types] post unify: Some({})
[INFO] [stdout] [TRACE melodeon::typesys::types] unify_cvars {$n} with {0}
[INFO] [stdout] [TRACE melodeon::typesys::types] post cg-unify: {$n: 0}
[INFO] [stdout] [TRACE melodeon::typesys::types] checking {0} <:? {0}
[INFO] [stdout] [TRACE melodeon::typesys::typecheck] initial definitions created: [FunDefn { name: succ, args: [x], body: Expr { itype: {($n + 1)}, inner: BinOp(Add, Expr { itype: {$n}, inner: LitConst($n) }, Expr { itype: {1}, inner: LitNum(1) }) } }, FunDefn { name: foo, args: [], body: Expr { itype: {(0 + 1)}, inner: ApplyGeneric(succ, {}, {$n: 0}, [Expr { itype: {0}, inner: LitNum(0) }]) } }, FunDefn { name: peel, args: [x], body: Expr { itype: {$n}, inner: LitConst($n) } }]
[INFO] [stdout] [TRACE melodeon::typesys::types] checking {0} <:? Nat
[INFO] [stdout] [TRACE melodeon::typesys::types] checking {1} <:? Nat
[INFO] [stdout] [TRACE melodeon::typesys::types] unify_cvars {0..1} with {0}
[INFO] [stdout] [TRACE melodeon::typesys::types] post cg-unify: {0: 0, 1: 0}
[INFO] [stdout] [TRACE melodeon::typesys::types] unify_cvars {0..1} with {1}
[INFO] [stdout] [TRACE melodeon::typesys::types] post cg-unify: {0: 1, 1: 1}
[INFO] [stdout] [TRACE melodeon::typesys::typecheck] a_range = {0: 0, 1: 0}, b_range = {0: 1, 1: 1}
[INFO] [stdout] [TRACE melodeon::typesys::types] checking {1} <:? {0}
[INFO] [stdout] [TRACE melodeon::typesys::poly] comparing  <=? 1
[INFO] [stdout] [TRACE melodeon::typesys::poly] comparing 1 <=? 
[INFO] [stdout] thread 'typesys::typecheck::tests::typecheck_whole' panicked at 'called `Result::unwrap()` on an `Err` value: assigning value of incompatible type {1} to variable x of type {0}
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: anyhow::error::<impl anyhow::Error>::msg
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/anyhow-1.0.48/src/error.rs:79:36
[INFO] [stdout]    1: melodeon::typesys::typecheck::typecheck_expr::{{closure}}
[INFO] [stdout]              at ./src/typesys/typecheck.rs:756:29
[INFO] [stdout]    2: core::iter::adapters::map::map_try_fold::{{closure}}
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/iter/adapters/map.rs:91:28
[INFO] [stdout]    3: core::iter::traits::iterator::Iterator::try_fold
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/iter/traits/iterator.rs:1995:21
[INFO] [stdout]    4: <core::iter::adapters::map::Map<I,F> as core::iter::traits::iterator::Iterator>::try_fold
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/iter/adapters/map.rs:117:9
[INFO] [stdout]    5: <core::iter::adapters::ResultShunt<I,E> as core::iter::traits::iterator::Iterator>::try_fold
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/iter/adapters/mod.rs:178:9
[INFO] [stdout]    6: core::iter::traits::iterator::Iterator::find
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/iter/traits/iterator.rs:2383:9
[INFO] [stdout]    7: <core::iter::adapters::ResultShunt<I,E> as core::iter::traits::iterator::Iterator>::next
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/iter/adapters/mod.rs:160:9
[INFO] [stdout]    8: <imbl::vector::Vector<A> as core::iter::traits::collect::FromIterator<A>>::from_iter
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/imbl-1.0.1/./src/vector/mod.rs:1895:21
[INFO] [stdout]    9: core::iter::traits::iterator::Iterator::collect
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/iter/traits/iterator.rs:1745:9
[INFO] [stdout]   10: <core::result::Result<V,E> as core::iter::traits::collect::FromIterator<core::result::Result<A,E>>>::from_iter::{{closure}}
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/result.rs:1883:53
[INFO] [stdout]   11: core::iter::adapters::process_results
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/iter/adapters/mod.rs:149:17
[INFO] [stdout]   12: <core::result::Result<V,E> as core::iter::traits::collect::FromIterator<core::result::Result<A,E>>>::from_iter
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/result.rs:1883:9
[INFO] [stdout]   13: core::iter::traits::iterator::Iterator::collect
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/iter/traits/iterator.rs:1745:9
[INFO] [stdout]   14: melodeon::typesys::typecheck::typecheck_expr
[INFO] [stdout]              at ./src/typesys/typecheck.rs:746:24
[INFO] [stdout]   15: melodeon::typesys::typecheck::typecheck_expr
[INFO] [stdout]              at ./src/typesys/typecheck.rs:198:24
[INFO] [stdout]   16: melodeon::typesys::typecheck::typecheck_program
[INFO] [stdout]              at ./src/typesys/typecheck.rs:181:28
[INFO] [stdout]   17: melodeon::typesys::typecheck::tests::typecheck_whole
[INFO] [stdout]              at ./src/typesys/typecheck.rs:1429:13
[INFO] [stdout]   18: melodeon::typesys::typecheck::tests::typecheck_whole::{{closure}}
[INFO] [stdout]              at ./src/typesys/typecheck.rs:1424:5
[INFO] [stdout]   19: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21: test::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:585:5
[INFO] [stdout]   22: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   23: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   24: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40
[INFO] [stdout]   25: std::panicking::try
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19
[INFO] [stdout]   26: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14
[INFO] [stdout]   27: test::run_test_in_process
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:608:18
[INFO] [stdout]   28: test::run_test::run_test_inner::{{closure}}
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:500:39
[INFO] [stdout]   29: test::run_test::run_test_inner::{{closure}}
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:527:37
[INFO] [stdout]   30: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:123:18
[INFO] [stdout]   31: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/thread/mod.rs:484:17
[INFO] [stdout]   32: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   33: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40
[INFO] [stdout]   34: std::panicking::try
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19
[INFO] [stdout]   35: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14
[INFO] [stdout]   36: std::thread::Builder::spawn_unchecked::{{closure}}
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/thread/mod.rs:483:30
[INFO] [stdout]   37: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   39: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   40: std::sys::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys/unix/thread.rs:106:17
[INFO] [stdout]   41: start_thread
[INFO] [stdout]   42: clone', src/typesys/typecheck.rs:1445:14
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5652bdc3adcc - std::backtrace_rs::backtrace::libunwind::trace::h793e05efd273d0f4
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x5652bdc3adcc - std::backtrace_rs::backtrace::trace_unsynchronized::h640b7b86ff610c77
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5652bdc3adcc - std::sys_common::backtrace::_print_fmt::h362fa2a4f354f877
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x5652bdc3adcc - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf439e5ed84c74abd
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x5652bdc5e0fc - core::fmt::write::h72801a82c94e6ff1
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/fmt/mod.rs:1149:17
[INFO] [stdout]    5:     0x5652bdc36ad5 - std::io::Write::write_fmt::h54337adeb3504c03
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/io/mod.rs:1697:15
[INFO] [stdout]    6:     0x5652bdc3c820 - std::sys_common::backtrace::_print::hb29ddd998d02631c
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x5652bdc3c820 - std::sys_common::backtrace::print::h81965e3d7c90fbb6
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x5652bdc3c820 - std::panicking::default_hook::{{closure}}::h84db205ab6674b38
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:211:50
[INFO] [stdout]    9:     0x5652bdc3c406 - std::panicking::default_hook::h1bf8bb4159936bca
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:225:9
[INFO] [stdout]   10:     0x5652bdc3ced4 - std::panicking::rust_panic_with_hook::hf8e86850fbbd03b1
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:606:17
[INFO] [stdout]   11:     0x5652bdc3c9b0 - std::panicking::begin_panic_handler::{{closure}}::h590a0d6060ff866e
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:502:13
[INFO] [stdout]   12:     0x5652bdc3b284 - std::sys_common::backtrace::__rust_end_short_backtrace::h260b8bd1c848a03c
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:139:18
[INFO] [stdout]   13:     0x5652bdc3c919 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:498:5
[INFO] [stdout]   14:     0x5652bd37adb1 - core::panicking::panic_fmt::h7b8580d81fcbbacd
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panicking.rs:106:14
[INFO] [stdout]   15:     0x5652bd37aea3 - core::result::unwrap_failed::h885d3f7beb571353
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/result.rs:1613:5
[INFO] [stdout]   16:     0x5652bd5d3993 - core::result::Result<T,E>::unwrap::he03967962b0b5552
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/result.rs:1295:23
[INFO] [stdout]   17:     0x5652bd6a14df - melodeon::typesys::typecheck::tests::typecheck_whole::h240eff31eee8f629
[INFO] [stdout]                                at /opt/rustwide/workdir/src/typesys/typecheck.rs:1429:13
[INFO] [stdout]   18:     0x5652bd6a141a - melodeon::typesys::typecheck::tests::typecheck_whole::{{closure}}::he161aa9b205a6b26
[INFO] [stdout]                                at /opt/rustwide/workdir/src/typesys/typecheck.rs:1424:5
[INFO] [stdout]   19:     0x5652bd79170e - core::ops::function::FnOnce::call_once::h66226eebb3cbad0e
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x5652bdba91e3 - core::ops::function::FnOnce::call_once::h24a32b9da1a40fdb
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x5652bdba91e3 - test::__rust_begin_short_backtrace::h3c3a0492fb4a12eb
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:585:5
[INFO] [stdout]   22:     0x5652bdba7df7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h9a8e38435f73d5e0
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   23:     0x5652bdba7df7 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb23d7496a0e6d1b4
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   24:     0x5652bdba7df7 - std::panicking::try::do_call::ha2bb9825b32d2cc2
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40
[INFO] [stdout]   25:     0x5652bdba7df7 - std::panicking::try::hdc38a574bbebc53e
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19
[INFO] [stdout]   26:     0x5652bdba7df7 - std::panic::catch_unwind::hc45ed246595c621c
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14
[INFO] [stdout]   27:     0x5652bdba7df7 - test::run_test_in_process::h4249138faaea8d54
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:608:18
[INFO] [stdout]   28:     0x5652bdba7df7 - test::run_test::run_test_inner::{{closure}}::h3c1b37669f6e9fd7
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:500:39
[INFO] [stdout]   29:     0x5652bdb7509e - test::run_test::run_test_inner::{{closure}}::h388760469edd5c24
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:527:37
[INFO] [stdout]   30:     0x5652bdb7509e - std::sys_common::backtrace::__rust_begin_short_backtrace::hbbaecdcfad18643e
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:123:18
[INFO] [stdout]   31:     0x5652bdb79df8 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h09cd3ca65896da91
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/thread/mod.rs:484:17
[INFO] [stdout]   32:     0x5652bdb79df8 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc52dbb4f9088d18b
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   33:     0x5652bdb79df8 - std::panicking::try::do_call::h4485cfee22b11c08
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40
[INFO] [stdout]   34:     0x5652bdb79df8 - std::panicking::try::hb62aa8549e20c08b
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19
[INFO] [stdout]   35:     0x5652bdb79df8 - std::panic::catch_unwind::ha322c7a5bc666762
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14
[INFO] [stdout]   36:     0x5652bdb79df8 - std::thread::Builder::spawn_unchecked::{{closure}}::h1076fc1398603b77
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/thread/mod.rs:483:30
[INFO] [stdout]   37:     0x5652bdb79df8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h911e510344167353
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x5652bdc419d3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h771719d52c343434
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   39:     0x5652bdc419d3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf441746dfa4b0f57
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   40:     0x5652bdc419d3 - std::sys::unix::thread::Thread::new::thread_start::hfd168f9d312b29ca
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys/unix/thread.rs:106:17
[INFO] [stdout]   41:     0x7f7caedf3609 - start_thread
[INFO] [stdout]   42:     0x7f7caebc5293 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     codegen::tests::simple_codegen
[INFO] [stdout]     typesys::typecheck::tests::typecheck_whole
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 7 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] running `Command { std: "docker" "inspect" "caa6e7f4e056aa276be52365c1fb97bafc990ca86e3c8b53994cf33396faff4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caa6e7f4e056aa276be52365c1fb97bafc990ca86e3c8b53994cf33396faff4d", kill_on_drop: false }`
[INFO] [stdout] caa6e7f4e056aa276be52365c1fb97bafc990ca86e3c8b53994cf33396faff4d