[INFO] fetching crate melodeon 0.5.16...
[INFO] testing melodeon-0.5.16 against 1.83.0 for beta-1.84.0-4-retry
[INFO] extracting crate melodeon 0.5.16 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate melodeon 0.5.16 on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate melodeon 0.5.16
[INFO] finished tweaking crates.io crate melodeon 0.5.16
[INFO] tweaked toml for crates.io crate melodeon 0.5.16 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate melodeon 0.5.16 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded defmac v0.2.1
[INFO] [stderr]   Downloaded lexpr-macros v0.2.1
[INFO] [stderr]   Downloaded catvec v0.1.6
[INFO] [stderr]   Downloaded arbitrary v1.1.3
[INFO] [stderr]   Downloaded derive_arbitrary v1.1.3
[INFO] [stderr]   Downloaded internment v0.5.6
[INFO] [stderr]   Downloaded imbl v1.0.1
[INFO] [stderr]   Downloaded ethnum v1.2.2
[INFO] [stderr]   Downloaded lexpr v0.2.6
[INFO] [stderr]   Downloaded honggfuzz v0.5.54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8af83fb84799dc788b30bf4cb4f23b491e66e64a1a988eef90456604a0ec4ba8
[INFO] running `Command { std: "docker" "start" "-a" "8af83fb84799dc788b30bf4cb4f23b491e66e64a1a988eef90456604a0ec4ba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8af83fb84799dc788b30bf4cb4f23b491e66e64a1a988eef90456604a0ec4ba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8af83fb84799dc788b30bf4cb4f23b491e66e64a1a988eef90456604a0ec4ba8", kill_on_drop: false }`
[INFO] [stdout] 8af83fb84799dc788b30bf4cb4f23b491e66e64a1a988eef90456604a0ec4ba8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 096bc7158f3c269ac6a23818838fe750c0bf03538481e11ef873beb614bbb340
[INFO] running `Command { std: "docker" "start" "-a" "096bc7158f3c269ac6a23818838fe750c0bf03538481e11ef873beb614bbb340", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.131
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling once_cell v1.13.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling ucd-trie v0.1.4
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling smallvec v1.9.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling anyhow v1.0.61
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[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling fastrand v1.8.0
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[INFO] [stderr]    Compiling unicode_categories v0.1.1
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
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[INFO] [stderr]    Compiling bitmaps v2.1.0
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[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling lexpr-macros v0.2.1
[INFO] [stderr]    Compiling bytes v1.2.1
[INFO] [stderr]    Compiling block-buffer v0.10.2
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling digest v0.10.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling ethnum v1.2.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling sized-chunks v0.6.5
[INFO] [stderr]    Compiling lexpr v0.2.6
[INFO] [stderr]    Compiling internment v0.5.6
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.32
[INFO] [stderr]    Compiling derive_arbitrary v1.1.3
[INFO] [stderr]    Compiling argh_derive v0.1.8
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling arbitrary v1.1.3
[INFO] [stderr]    Compiling argh v0.1.8
[INFO] [stderr]    Compiling imbl v1.0.1
[INFO] [stderr]    Compiling thiserror v1.0.32
[INFO] [stderr]    Compiling pest v2.2.1
[INFO] [stderr]    Compiling snailquote v0.3.1
[INFO] [stderr]    Compiling catvec v0.1.6
[INFO] [stderr]    Compiling pest_meta v2.2.1
[INFO] [stderr]    Compiling pest_generator v2.2.1
[INFO] [stderr]    Compiling pest_derive v2.2.1
[INFO] [stderr]    Compiling melodeon v0.5.16 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/codegen.rs:132:24
[INFO] [stdout]     |
[INFO] [stdout] 132 |         ExprInner::Exp(k, base, exp) => [
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 39.75s
[INFO] running `Command { std: "docker" "inspect" "096bc7158f3c269ac6a23818838fe750c0bf03538481e11ef873beb614bbb340", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "096bc7158f3c269ac6a23818838fe750c0bf03538481e11ef873beb614bbb340", kill_on_drop: false }`
[INFO] [stdout] 096bc7158f3c269ac6a23818838fe750c0bf03538481e11ef873beb614bbb340
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb860c01233d8784286b3f129493cc5c722880c1d6c9dbabfb6a806556c97d78
[INFO] running `Command { std: "docker" "start" "-a" "fb860c01233d8784286b3f129493cc5c722880c1d6c9dbabfb6a806556c97d78", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/codegen.rs:132:24
[INFO] [stdout]     |
[INFO] [stdout] 132 |         ExprInner::Exp(k, base, exp) => [
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling melodeon v0.5.16 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/codegen.rs:132:24
[INFO] [stdout]     |
[INFO] [stdout] 132 |         ExprInner::Exp(k, base, exp) => [
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 10.32s
[INFO] running `Command { std: "docker" "inspect" "fb860c01233d8784286b3f129493cc5c722880c1d6c9dbabfb6a806556c97d78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb860c01233d8784286b3f129493cc5c722880c1d6c9dbabfb6a806556c97d78", kill_on_drop: false }`
[INFO] [stdout] fb860c01233d8784286b3f129493cc5c722880c1d6c9dbabfb6a806556c97d78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1fd54c6aeac515cdafd8d2861086da7d4768559153085de5afa685f5d745d6af
[INFO] running `Command { std: "docker" "start" "-a" "1fd54c6aeac515cdafd8d2861086da7d4768559153085de5afa685f5d745d6af", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stderr]    --> src/codegen.rs:132:24
[INFO] [stderr]     |
[INFO] [stderr] 132 |         ExprInner::Exp(k, base, exp) => [
[INFO] [stderr]     |                        ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `melodeon` (lib) generated 1 warning
[INFO] [stderr] warning: `melodeon` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/melodeon-5abcde6fdfd2a740)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test codegen::tests::vector_slice ... ok
[INFO] [stdout] test typesys::typecheck::tests::typecheck_tricky ... ok
[INFO] [stdout] test codegen::tests::expt_codegen ... ok
[INFO] [stdout] test typesys::types::tests::sub_hole_punching ... ok
[INFO] [stdout] test typesys::types::tests::simple_fill ... ok
[INFO] [stdout] test codegen::tests::empty_byte_string ... ok
[INFO] [stdout] test grammar::parser::tests::test_parse ... ok
[INFO] [stdout] test codegen::tests::tricky_codegen ... ok
[INFO] [stdout] test typesys::typecheck::tests::typecheck_simple ... ok
[INFO] [stdout] test typesys::typecheck::tests::typecheck_issue15 ... ok
[INFO] [stdout] test typesys::typecheck::tests::typecheck_issue4 ... ok
[INFO] [stdout] test typesys::types::tests::tricky_unification ... ok
[INFO] [stdout] test typesys::typecheck::tests::typecheck_whole ... ok
[INFO] [stdout] test typesys::types::tests::tricky_range ... ok
[INFO] [stdout] test codegen::tests::simple_codegen ... ok
[INFO] [stdout] test codegen::tests::vref_stuff ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- codegen::tests::vref_stuff stdout ----
[INFO] [stdout] [DEBUG melodeon::grammar::parser] parsing 130 chars at whatever.melo
[INFO] [stdout] [TRACE melodeon::grammar::parser] expr rule let_expr on "let nested = [[0,1], [2,3], [4,5]] in for val in vref(nested, 1) collect val + 1\n                        "
[INFO] [stdout] [TRACE melodeon::grammar::parser]  expr rule logic_expr on "[[0,1], [2,3], [4,5]] "
[INFO] [stdout] [TRACE melodeon::grammar::parser]   expr rule bitlogic_expr on "[[0,1], [2,3], [4,5]] "
[INFO] [stdout] [TRACE melodeon::grammar::parser]    expr rule rel_expr on "[[0,1], [2,3], [4,5]] "
[INFO] [stdout] [TRACE melodeon::grammar::parser]     expr rule shift_expr on "[[0,1], [2,3], [4,5]] "
[INFO] [stdout] [TRACE melodeon::grammar::parser]      expr rule add_expr on "[[0,1], [2,3], [4,5]] "
[INFO] [stdout] [TRACE melodeon::grammar::parser]       expr rule mult_expr on "[[0,1], [2,3], [4,5]] "
[INFO] [stdout] [TRACE melodeon::grammar::parser]        expr rule uni_expr on "[[0,1], [2,3], [4,5]] "
[INFO] [stdout] [TRACE melodeon::grammar::parser]         expr rule apply_expr on "[[0,1], [2,3], [4,5]] "
[INFO] [stdout] [TRACE melodeon::grammar::parser]          expr rule vector_literal on "[[0,1], [2,3], [4,5]]"
[INFO] [stdout] [TRACE melodeon::grammar::parser]           expr rule logic_expr on "[0,1]"
[INFO] [stdout] [TRACE melodeon::grammar::parser]            expr rule bitlogic_expr on "[0,1]"
[INFO] [stdout] [TRACE melodeon::grammar::parser]             expr rule rel_expr on "[0,1]"
[INFO] [stdout] [TRACE melodeon::grammar::parser]              expr rule shift_expr on "[0,1]"
[INFO] [stdout] [TRACE melodeon::grammar::parser]               expr rule add_expr on "[0,1]"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                expr rule mult_expr on "[0,1]"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                 expr rule uni_expr on "[0,1]"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                  expr rule apply_expr on "[0,1]"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                   expr rule vector_literal on "[0,1]"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                    expr rule logic_expr on "0"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                     expr rule bitlogic_expr on "0"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                      expr rule rel_expr on "0"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                       expr rule shift_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 uni_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 logic_expr on "1"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                     expr rule bitlogic_expr on "1"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                      expr rule rel_expr on "1"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                       expr rule shift_expr on "1"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                        expr rule add_expr on "1"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                         expr rule mult_expr on "1"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                          expr rule uni_expr on "1"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                           expr rule apply_expr on "1"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                            expr rule nat_literal on "1"
[INFO] [stdout] [TRACE melodeon::grammar::parser]           expr rule logic_expr on "[2,3]"
[INFO] [stdout] [TRACE melodeon::grammar::parser]            expr rule bitlogic_expr on "[2,3]"
[INFO] [stdout] [TRACE melodeon::grammar::parser]             expr rule rel_expr on "[2,3]"
[INFO] [stdout] [TRACE melodeon::grammar::parser]              expr rule shift_expr on "[2,3]"
[INFO] [stdout] [TRACE melodeon::grammar::parser]               expr rule add_expr on "[2,3]"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                expr rule mult_expr on "[2,3]"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                 expr rule uni_expr on "[2,3]"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                  expr rule apply_expr on "[2,3]"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                   expr rule vector_literal on "[2,3]"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                    expr rule logic_expr on "2"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                     expr rule bitlogic_expr on "2"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                      expr rule rel_expr on "2"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                       expr rule shift_expr on "2"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                        expr rule add_expr on "2"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                         expr rule mult_expr on "2"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                          expr rule uni_expr on "2"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                           expr rule apply_expr on "2"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                            expr rule nat_literal on "2"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                    expr rule logic_expr on "3"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                     expr rule bitlogic_expr on "3"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                      expr rule rel_expr on "3"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                       expr rule shift_expr on "3"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                        expr rule add_expr on "3"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                         expr rule mult_expr on "3"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                          expr rule uni_expr on "3"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                           expr rule apply_expr on "3"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                            expr rule nat_literal on "3"
[INFO] [stdout] [TRACE melodeon::grammar::parser]           expr rule logic_expr on "[4,5]"
[INFO] [stdout] [TRACE melodeon::grammar::parser]            expr rule bitlogic_expr on "[4,5]"
[INFO] [stdout] [TRACE melodeon::grammar::parser]             expr rule rel_expr on "[4,5]"
[INFO] [stdout] [TRACE melodeon::grammar::parser]              expr rule shift_expr on "[4,5]"
[INFO] [stdout] [TRACE melodeon::grammar::parser]               expr rule add_expr on "[4,5]"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                expr rule mult_expr on "[4,5]"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                 expr rule uni_expr on "[4,5]"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                  expr rule apply_expr on "[4,5]"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                   expr rule vector_literal on "[4,5]"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                    expr rule logic_expr on "4"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                     expr rule bitlogic_expr on "4"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                      expr rule rel_expr on "4"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                       expr rule shift_expr on "4"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                        expr rule add_expr on "4"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                         expr rule mult_expr on "4"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                          expr rule uni_expr on "4"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                           expr rule apply_expr on "4"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                            expr rule nat_literal on "4"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                    expr rule logic_expr on "5"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                     expr rule bitlogic_expr on "5"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                      expr rule rel_expr on "5"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                       expr rule shift_expr on "5"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                        expr rule add_expr on "5"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                         expr rule mult_expr on "5"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                          expr rule uni_expr on "5"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                           expr rule apply_expr on "5"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                            expr rule nat_literal on "5"
[INFO] [stdout] [TRACE melodeon::grammar::parser]  expr rule for_expr on "for val in vref(nested, 1) collect val + 1\n                        "
[INFO] [stdout] [TRACE melodeon::grammar::parser]   expr rule logic_expr on "vref(nested, 1) "
[INFO] [stdout] [TRACE melodeon::grammar::parser]    expr rule bitlogic_expr on "vref(nested, 1) "
[INFO] [stdout] [TRACE melodeon::grammar::parser]     expr rule rel_expr on "vref(nested, 1) "
[INFO] [stdout] [TRACE melodeon::grammar::parser]      expr rule shift_expr on "vref(nested, 1) "
[INFO] [stdout] [TRACE melodeon::grammar::parser]       expr rule add_expr on "vref(nested, 1) "
[INFO] [stdout] [TRACE melodeon::grammar::parser]        expr rule mult_expr on "vref(nested, 1) "
[INFO] [stdout] [TRACE melodeon::grammar::parser]         expr rule uni_expr on "vref(nested, 1)"
[INFO] [stdout] [TRACE melodeon::grammar::parser]          expr rule apply_expr on "vref(nested, 1)"
[INFO] [stdout] [TRACE melodeon::grammar::parser]           expr rule var_name on "vref"
[INFO] [stdout] [TRACE melodeon::grammar::parser]           expr rule logic_expr on "nested"
[INFO] [stdout] [TRACE melodeon::grammar::parser]            expr rule bitlogic_expr on "nested"
[INFO] [stdout] [TRACE melodeon::grammar::parser]             expr rule rel_expr on "nested"
[INFO] [stdout] [TRACE melodeon::grammar::parser]              expr rule shift_expr on "nested"
[INFO] [stdout] [TRACE melodeon::grammar::parser]               expr rule add_expr on "nested"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                expr rule mult_expr on "nested"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                 expr rule uni_expr on "nested"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                  expr rule apply_expr on "nested"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                   expr rule var_name on "nested"
[INFO] [stdout] [TRACE melodeon::grammar::parser]           expr rule logic_expr on "1"
[INFO] [stdout] [TRACE melodeon::grammar::parser]            expr rule bitlogic_expr on "1"
[INFO] [stdout] [TRACE melodeon::grammar::parser]             expr rule rel_expr on "1"
[INFO] [stdout] [TRACE melodeon::grammar::parser]              expr rule shift_expr on "1"
[INFO] [stdout] [TRACE melodeon::grammar::parser]               expr rule add_expr on "1"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                expr rule mult_expr on "1"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                 expr rule uni_expr on "1"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                  expr rule apply_expr on "1"
[INFO] [stdout] [TRACE melodeon::grammar::parser]                   expr rule nat_literal on "1"
[INFO] [stdout] [TRACE melodeon::grammar::parser]   expr rule logic_expr on "val + 1\n                        "
[INFO] [stdout] [TRACE melodeon::grammar::parser]    expr rule bitlogic_expr on "val + 1\n                        "
[INFO] [stdout] [TRACE melodeon::grammar::parser]     expr rule rel_expr on "val + 1\n                        "
[INFO] [stdout] [TRACE melodeon::grammar::parser]      expr rule shift_expr on "val + 1\n                        "
[INFO] [stdout] [TRACE melodeon::grammar::parser]       expr rule add_expr on "val + 1\n                        "
[INFO] [stdout] [TRACE melodeon::grammar::parser]        expr rule mult_expr on "val "
[INFO] [stdout] [TRACE melodeon::grammar::parser]         expr rule uni_expr on "val "
[INFO] [stdout] [TRACE melodeon::grammar::parser]          expr rule apply_expr on "val "
[INFO] [stdout] [TRACE melodeon::grammar::parser]           expr rule var_name on "val"
[INFO] [stdout] [TRACE melodeon::grammar::parser]        expr rule mult_expr on "1\n                        "
[INFO] [stdout] [TRACE melodeon::grammar::parser]         expr rule uni_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 0 defs
[INFO] [stdout] [DEBUG melodeon::grammar::raw_ast] definitions sorted: []
[INFO] [stdout] [TRACE melodeon::typesys::typecheck] initial definitions created: []
[INFO] [stdout] thread 'codegen::tests::vref_stuff' panicked at src/codegen.rs:655:18:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: undefined function: vref
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d5775b3a9a - std::backtrace_rs::backtrace::libunwind::trace::h5a5b8284f2d0c266
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x55d5775b3a9a - std::backtrace_rs::backtrace::trace_unsynchronized::h76d4f1c9b0b875e3
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55d5775b3a9a - std::sys::backtrace::_print_fmt::hc4546b8364a537c6
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x55d5775b3a9a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h5b6bd5631a6d1f6b
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x55d5775d95e3 - core::fmt::rt::Argument::fmt::h270f6602a2b96f62
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x55d5775d95e3 - core::fmt::write::h7550c97b06c86515
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/mod.rs:1186:21
[INFO] [stdout]    6:     0x55d5775b08c3 - std::io::Write::write_fmt::h509ff860e5956e5e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/io/mod.rs:1839:15
[INFO] [stdout]    7:     0x55d5775b38e2 - std::sys::backtrace::BacktraceLock::print::h2395ccd2c84ba3aa
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x55d5775b4efa - std::panicking::default_hook::{{closure}}::he19d4c7230e07961
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x55d5775b4d04 - std::panicking::default_hook::hf614597d3c67bbdb
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x55d577523799 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h39b51ce4599c23d1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   11:     0x55d577523799 - test::test_main::{{closure}}::he977ae839a582784
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:133:21
[INFO] [stdout]   12:     0x55d5775b5598 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h9455091b6b06f9fb
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   13:     0x55d5775b5598 - std::panicking::rust_panic_with_hook::h8942133a8b252070
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x55d5775b535a - std::panicking::begin_panic_handler::{{closure}}::hb5f5963570096b29
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x55d5775b3f79 - std::sys::backtrace::__rust_end_short_backtrace::h6208cedc1922feda
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x55d5775b4fec - rust_begin_unwind
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x55d576fe50d0 - core::panicking::panic_fmt::h0c3082644d1bf418
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panicking.rs:74:14
[INFO] [stdout]   18:     0x55d576fe5556 - core::result::unwrap_failed::hd20b4aa073bda1e2
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/result.rs:1700:5
[INFO] [stdout]   19:     0x55d5772ff78b - core::result::Result<T,E>::unwrap::h1913556a40849595
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/result.rs:1104:23
[INFO] [stdout]   20:     0x55d5772ff78b - melodeon::codegen::tests::vref_stuff::hc97fb5ebe5328994
[INFO] [stdout]                                at /opt/rustwide/workdir/src/codegen.rs:645:17
[INFO] [stdout]   21:     0x55d5772ff527 - melodeon::codegen::tests::vref_stuff::{{closure}}::h739841c2ec8c3583
[INFO] [stdout]                                at /opt/rustwide/workdir/src/codegen.rs:639:20
[INFO] [stdout]   22:     0x55d57736d416 - core::ops::function::FnOnce::call_once::h7263d8d413021011
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x55d57752815b - core::ops::function::FnOnce::call_once::h109cf8051a59b34e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55d57752815b - test::__rust_begin_short_backtrace::hf4fff89d377446ba
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:621:18
[INFO] [stdout]   25:     0x55d577527997 - test::run_test_in_process::{{closure}}::h0e39181dd7ee5a43
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:644:60
[INFO] [stdout]   26:     0x55d577527997 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc5a66a30f0bdfd1f
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x55d577527997 - std::panicking::try::do_call::h873b7cf639554a5e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40
[INFO] [stdout]   28:     0x55d577527997 - std::panicking::try::hdb19862fad9c8bd1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19
[INFO] [stdout]   29:     0x55d577527997 - std::panic::catch_unwind::h281fe732d236d260
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14
[INFO] [stdout]   30:     0x55d577527997 - test::run_test_in_process::h949b6df8457ed338
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:644:27
[INFO] [stdout]   31:     0x55d577527997 - test::run_test::{{closure}}::h52c556a6d4740e10
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:565:43
[INFO] [stdout]   32:     0x55d5774ecc74 - test::run_test::{{closure}}::h4237f6381c45ccb9
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:595:41
[INFO] [stdout]   33:     0x55d5774ecc74 - std::sys::backtrace::__rust_begin_short_backtrace::h505c97a579eca628
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   34:     0x55d5774f033e - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h9e86b2e2bc107ea3
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/thread/mod.rs:538:17
[INFO] [stdout]   35:     0x55d5774f033e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8b06ddb275ff4a25
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x55d5774f033e - std::panicking::try::do_call::hb26ecd7cd9a9355d
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40
[INFO] [stdout]   37:     0x55d5774f033e - std::panicking::try::h8ddeca9d705f9069
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19
[INFO] [stdout]   38:     0x55d5774f033e - std::panic::catch_unwind::h49e1c33078844c46
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14
[INFO] [stdout]   39:     0x55d5774f033e - std::thread::Builder::spawn_unchecked_::{{closure}}::h6073db6ff56ad35d
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/thread/mod.rs:537:30
[INFO] [stdout]   40:     0x55d5774f033e - core::ops::function::FnOnce::call_once{{vtable.shim}}::h2c5a5f3779c774f1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d5775b937b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf75717d9f28faebf
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   42:     0x55d5775b937b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7bd883a5f3c5f3c1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   43:     0x55d5775b937b - std::sys::pal::unix::thread::Thread::new::thread_start::hcc78f3943333fa94
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   44:     0x79bcb52f9ac3 - <unknown>
[INFO] [stdout]   45:     0x79bcb538aa04 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     codegen::tests::vref_stuff
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 15 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "1fd54c6aeac515cdafd8d2861086da7d4768559153085de5afa685f5d745d6af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fd54c6aeac515cdafd8d2861086da7d4768559153085de5afa685f5d745d6af", kill_on_drop: false }`
[INFO] [stdout] 1fd54c6aeac515cdafd8d2861086da7d4768559153085de5afa685f5d745d6af
