[INFO] fetching crate melodeon 0.5.16...
[INFO] testing melodeon-0.5.16 against beta-2024-12-08 for beta-1.84.0-4-retry
[INFO] extracting crate melodeon 0.5.16 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate melodeon 0.5.16 on toolchain beta-2024-12-08
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "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-tc2/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" "+beta-2024-12-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+beta-2024-12-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9361d00ef93c6cd63860ae53d75ee91dbce770b8783aac330e5a3431ee464dda
[INFO] running `Command { std: "docker" "start" "-a" "9361d00ef93c6cd63860ae53d75ee91dbce770b8783aac330e5a3431ee464dda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9361d00ef93c6cd63860ae53d75ee91dbce770b8783aac330e5a3431ee464dda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9361d00ef93c6cd63860ae53d75ee91dbce770b8783aac330e5a3431ee464dda", kill_on_drop: false }`
[INFO] [stdout] 9361d00ef93c6cd63860ae53d75ee91dbce770b8783aac330e5a3431ee464dda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+beta-2024-12-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ccbfeff453b1471ab3464b306d03563952c61dff009cb1d5025e7ed5bfefce3
[INFO] running `Command { std: "docker" "start" "-a" "9ccbfeff453b1471ab3464b306d03563952c61dff009cb1d5025e7ed5bfefce3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[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 crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling rayon-core v1.9.3
[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 parking_lot_core v0.9.3
[INFO] [stderr]    Compiling smallvec v1.9.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling argh_shared v0.1.8
[INFO] [stderr]    Compiling either v1.7.0
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling anyhow v1.0.61
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling defmac v0.2.1
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.2
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling lexpr-macros v0.2.1
[INFO] [stderr]    Compiling blake3 v1.3.1
[INFO] [stderr]    Compiling unicode_categories v0.1.1
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling fastrand v1.8.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling dashmap v4.0.2
[INFO] [stderr]    Compiling bytes v1.2.1
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.2
[INFO] [stderr]    Compiling sized-chunks v0.6.5
[INFO] [stderr]    Compiling internment v0.5.6
[INFO] [stderr]    Compiling ethnum v1.2.2
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling lexpr v0.2.6
[INFO] [stderr]    Compiling digest v0.10.3
[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 imbl v1.0.1
[INFO] [stderr]    Compiling arbitrary v1.1.3
[INFO] [stderr]    Compiling thiserror v1.0.32
[INFO] [stderr]    Compiling pest v2.2.1
[INFO] [stderr]    Compiling snailquote v0.3.1
[INFO] [stderr]    Compiling argh v0.1.8
[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 18.93s
[INFO] running `Command { std: "docker" "inspect" "9ccbfeff453b1471ab3464b306d03563952c61dff009cb1d5025e7ed5bfefce3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ccbfeff453b1471ab3464b306d03563952c61dff009cb1d5025e7ed5bfefce3", kill_on_drop: false }`
[INFO] [stdout] 9ccbfeff453b1471ab3464b306d03563952c61dff009cb1d5025e7ed5bfefce3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+beta-2024-12-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81843625808aa5bc21ebde051a4d594f9be582c2d882b4259ba250c8fc054b6c
[INFO] running `Command { std: "docker" "start" "-a" "81843625808aa5bc21ebde051a4d594f9be582c2d882b4259ba250c8fc054b6c", kill_on_drop: false }`
[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] [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 12.47s
[INFO] running `Command { std: "docker" "inspect" "81843625808aa5bc21ebde051a4d594f9be582c2d882b4259ba250c8fc054b6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81843625808aa5bc21ebde051a4d594f9be582c2d882b4259ba250c8fc054b6c", kill_on_drop: false }`
[INFO] [stdout] 81843625808aa5bc21ebde051a4d594f9be582c2d882b4259ba250c8fc054b6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+beta-2024-12-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5c63d55e896c637a0e95df2ae4c8b0a976fb53db3d34ef7a6d0b35eae88e4139
[INFO] running `Command { std: "docker" "start" "-a" "5c63d55e896c637a0e95df2ae4c8b0a976fb53db3d34ef7a6d0b35eae88e4139", 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 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/melodeon-acb314bf49b9fdd3)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test codegen::tests::expt_codegen ... ok
[INFO] [stdout] test codegen::tests::vector_slice ... ok
[INFO] [stdout] test codegen::tests::empty_byte_string ... ok
[INFO] [stdout] test codegen::tests::simple_codegen ... ok
[INFO] [stdout] test grammar::parser::tests::test_parse ... ok
[INFO] [stdout] test typesys::types::tests::sub_hole_punching ... ok
[INFO] [stdout] test typesys::types::tests::simple_fill ... ok
[INFO] [stdout] test typesys::typecheck::tests::typecheck_issue15 ... ok
[INFO] [stdout] test codegen::tests::tricky_codegen ... ok
[INFO] [stdout] test typesys::types::tests::tricky_range ... ok
[INFO] [stdout] test typesys::typecheck::tests::typecheck_tricky ... ok
[INFO] [stdout] test typesys::typecheck::tests::typecheck_issue4 ... ok
[INFO] [stdout] test typesys::typecheck::tests::typecheck_simple ... ok
[INFO] [stdout] test typesys::types::tests::tricky_unification ... ok
[INFO] [stdout] test typesys::typecheck::tests::typecheck_whole ... 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:     0x5f4eed62e29a - std::backtrace_rs::backtrace::libunwind::trace::h8810477743020387
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x5f4eed62e29a - std::backtrace_rs::backtrace::trace_unsynchronized::h3aa55355dd6c54a6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5f4eed62e29a - std::sys::backtrace::_print_fmt::h8588b0f62410823f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5f4eed62e29a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h98c26ac25ffe89bb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5f4eed654463 - core::fmt::rt::Argument::fmt::hf95377f4aebd453b
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x5f4eed654463 - core::fmt::write::h0dd5f6e2238c7982
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/mod.rs:1189:21
[INFO] [stdout]    6:     0x5f4eed62b093 - std::io::Write::write_fmt::h03bb0ca26e6faf8c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/io/mod.rs:1884:15
[INFO] [stdout]    7:     0x5f4eed62e0e2 - std::sys::backtrace::BacktraceLock::print::h5c19c1c038ee186d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x5f4eed62f71d - std::panicking::default_hook::{{closure}}::h77172f079a1fcb13
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x5f4eed62f527 - std::panicking::default_hook::he5f8e3b203ccddba
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x5f4eed599997 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7a3c7b4a1ae77f2f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   11:     0x5f4eed599997 - test::test_main::{{closure}}::hf0d3b69ae9b353d1
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:134:21
[INFO] [stdout]   12:     0x5f4eed62fdc8 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6332e82e7b189abd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   13:     0x5f4eed62fdc8 - std::panicking::rust_panic_with_hook::h53863d4e9018df39
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x5f4eed62fb8a - std::panicking::begin_panic_handler::{{closure}}::h67280e6fa0757873
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x5f4eed62e779 - std::sys::backtrace::__rust_end_short_backtrace::h1dac3f54d6fbbeb2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x5f4eed62f81c - rust_begin_unwind
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x5f4eed04e120 - core::panicking::panic_fmt::h6792bd1b2bf01041
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:76:14
[INFO] [stdout]   18:     0x5f4eed04e5a6 - core::result::unwrap_failed::h05e0602ed34287c5
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/result.rs:1699:5
[INFO] [stdout]   19:     0x5f4eed2c38eb - core::result::Result<T,E>::unwrap::h9ad712422fe05fcc
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/result.rs:1104:23
[INFO] [stdout]   20:     0x5f4eed2c38eb - melodeon::codegen::tests::vref_stuff::hafda9face790cce0
[INFO] [stdout]                                at /opt/rustwide/workdir/src/codegen.rs:645:17
[INFO] [stdout]   21:     0x5f4eed2c3687 - melodeon::codegen::tests::vref_stuff::{{closure}}::hffa4dd2144ae0cf1
[INFO] [stdout]                                at /opt/rustwide/workdir/src/codegen.rs:639:20
[INFO] [stdout]   22:     0x5f4eed203bb6 - core::ops::function::FnOnce::call_once::he44bcdad317d7abb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5f4eed59e4bb - core::ops::function::FnOnce::call_once::h871bf86719ec9aa4
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5f4eed59e4bb - test::__rust_begin_short_backtrace::h2167df1e2b7d76fd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:632:18
[INFO] [stdout]   25:     0x5f4eed59dea8 - test::run_test_in_process::{{closure}}::h15d92f75a3adfb79
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:60
[INFO] [stdout]   26:     0x5f4eed59dea8 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb6c8955835a8dbbb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x5f4eed59dea8 - std::panicking::try::do_call::hc79d0fc888a0bd30
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   28:     0x5f4eed59dea8 - std::panicking::try::hb8a7878e3a8589d6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   29:     0x5f4eed59dea8 - std::panic::catch_unwind::hb8e4600ff0ff5cfa
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   30:     0x5f4eed59dea8 - test::run_test_in_process::hc2900b0b18688dd6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:27
[INFO] [stdout]   31:     0x5f4eed59dea8 - test::run_test::{{closure}}::hac2a9cb07be3d48d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:576:43
[INFO] [stdout]   32:     0x5f4eed56194a - test::run_test::{{closure}}::h4a5b729e66a38cd8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:606:41
[INFO] [stdout]   33:     0x5f4eed56194a - std::sys::backtrace::__rust_begin_short_backtrace::h0496fb742492f573
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   34:     0x5f4eed5652c4 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hbb6d257c550a54bd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:561:17
[INFO] [stdout]   35:     0x5f4eed5652c4 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h46696fe4a6832328
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x5f4eed5652c4 - std::panicking::try::do_call::h2625a51b667bfb64
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   37:     0x5f4eed5652c4 - std::panicking::try::hb956a59a1973aa4c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   38:     0x5f4eed5652c4 - std::panic::catch_unwind::h64f3b9d1067ef6a0
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   39:     0x5f4eed5652c4 - std::thread::Builder::spawn_unchecked_::{{closure}}::h42b2841295b6c0b2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:559:30
[INFO] [stdout]   40:     0x5f4eed5652c4 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6127de71b8124639
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x5f4eed633dab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h42f0ba71002a1b2c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   42:     0x5f4eed633dab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::had9e47d7a3dcecb8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   43:     0x5f4eed633dab - std::sys::pal::unix::thread::Thread::new::thread_start::h48cf765408f6f5f2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   44:     0x70eadaec9ac3 - <unknown>
[INFO] [stdout]   45:     0x70eadaf5aa04 - 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 0.08s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "5c63d55e896c637a0e95df2ae4c8b0a976fb53db3d34ef7a6d0b35eae88e4139", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c63d55e896c637a0e95df2ae4c8b0a976fb53db3d34ef7a6d0b35eae88e4139", kill_on_drop: false }`
[INFO] [stdout] 5c63d55e896c637a0e95df2ae4c8b0a976fb53db3d34ef7a6d0b35eae88e4139
