[INFO] fetching crate melodeon 0.5.16...
[INFO] testing melodeon-0.5.16 against 1.91.0 for beta-1.92-2
[INFO] extracting crate melodeon 0.5.16 into /workspace/builds/worker-7-tc1/source
[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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate melodeon 0.5.16 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7444024451f3941f04dc668384bdc3afc339ad6300557a6da7e560ff54e4a1b1
[INFO] running `Command { std: "docker" "start" "-a" "7444024451f3941f04dc668384bdc3afc339ad6300557a6da7e560ff54e4a1b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7444024451f3941f04dc668384bdc3afc339ad6300557a6da7e560ff54e4a1b1", kill_on_drop: false }`
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[INFO] [stdout] 8b689075bdd7e6855f35148e39293fe1ceaf0365ebe33d936f01633d12508207
[INFO] running `Command { std: "docker" "start" "-a" "8b689075bdd7e6855f35148e39293fe1ceaf0365ebe33d936f01633d12508207", kill_on_drop: false }`
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[INFO] [stderr]    Compiling unicode-ident v1.0.3
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[INFO] [stderr]    Compiling anyhow v1.0.61
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[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: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/grammar/parser.rs:284:40
[INFO] [stdout]     |
[INFO] [stdout] 284 |         .fold(String::from(""), |a, b| (a.tap_mut(|a| a.push_str(b))));
[INFO] [stdout]     |                                        ^                            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 284 -         .fold(String::from(""), |a, b| (a.tap_mut(|a| a.push_str(b))));
[INFO] [stdout] 284 +         .fold(String::from(""), |a, b| a.tap_mut(|a| a.push_str(b)));
[INFO] [stdout]     |
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/typesys/types.rs:237:21
[INFO] [stdout]     |
[INFO] [stdout] 237 |     pub fn subtract(&self, other: &Self) -> Cow<Self> {
[INFO] [stdout]     |                     ^^^^^                   ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 237 |     pub fn subtract(&self, other: &Self) -> Cow<'_, Self> {
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/typesys/types.rs:456:18
[INFO] [stdout]     |
[INFO] [stdout] 456 |     pub fn index(&self, idx: Option<&ConstExpr<CVar>>) -> Option<Cow<Self>> {
[INFO] [stdout]     |                  ^^^^^ the lifetime is elided here               ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 456 |     pub fn index(&self, idx: Option<&ConstExpr<CVar>>) -> Option<Cow<'_, Self>> {
[INFO] [stdout]     |                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/typesys/types.rs:780:26
[INFO] [stdout]     |
[INFO] [stdout] 780 |     pub fn try_to_vector(&self) -> Option<Cow<List<Self>>> {
[INFO] [stdout]     |                          ^^^^^            ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 780 |     pub fn try_to_vector(&self) -> Option<Cow<'_, List<Self>>> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.63s
[INFO] running `Command { std: "docker" "inspect" "8b689075bdd7e6855f35148e39293fe1ceaf0365ebe33d936f01633d12508207", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b689075bdd7e6855f35148e39293fe1ceaf0365ebe33d936f01633d12508207", kill_on_drop: false }`
[INFO] [stdout] 8b689075bdd7e6855f35148e39293fe1ceaf0365ebe33d936f01633d12508207
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b04200070bc3675aadb36c95ef9dd38eafea7da52ec0b0152bcaf5abb7dea2e
[INFO] running `Command { std: "docker" "start" "-a" "8b04200070bc3675aadb36c95ef9dd38eafea7da52ec0b0152bcaf5abb7dea2e", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/grammar/parser.rs:284:40
[INFO] [stdout]     |
[INFO] [stdout] 284 |         .fold(String::from(""), |a, b| (a.tap_mut(|a| a.push_str(b))));
[INFO] [stdout]     |                                        ^                            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 284 -         .fold(String::from(""), |a, b| (a.tap_mut(|a| a.push_str(b))));
[INFO] [stdout] 284 +         .fold(String::from(""), |a, b| a.tap_mut(|a| a.push_str(b)));
[INFO] [stdout]     |
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling melodeon v0.5.16 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/typesys/types.rs:237:21
[INFO] [stdout]     |
[INFO] [stdout] 237 |     pub fn subtract(&self, other: &Self) -> Cow<Self> {
[INFO] [stdout]     |                     ^^^^^                   ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 237 |     pub fn subtract(&self, other: &Self) -> Cow<'_, Self> {
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/typesys/types.rs:456:18
[INFO] [stdout]     |
[INFO] [stdout] 456 |     pub fn index(&self, idx: Option<&ConstExpr<CVar>>) -> Option<Cow<Self>> {
[INFO] [stdout]     |                  ^^^^^ the lifetime is elided here               ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 456 |     pub fn index(&self, idx: Option<&ConstExpr<CVar>>) -> Option<Cow<'_, Self>> {
[INFO] [stdout]     |                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/typesys/types.rs:780:26
[INFO] [stdout]     |
[INFO] [stdout] 780 |     pub fn try_to_vector(&self) -> Option<Cow<List<Self>>> {
[INFO] [stdout]     |                          ^^^^^            ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 780 |     pub fn try_to_vector(&self) -> Option<Cow<'_, List<Self>>> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/grammar/parser.rs:284:40
[INFO] [stdout]     |
[INFO] [stdout] 284 |         .fold(String::from(""), |a, b| (a.tap_mut(|a| a.push_str(b))));
[INFO] [stdout]     |                                        ^                            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 284 -         .fold(String::from(""), |a, b| (a.tap_mut(|a| a.push_str(b))));
[INFO] [stdout] 284 +         .fold(String::from(""), |a, b| a.tap_mut(|a| a.push_str(b)));
[INFO] [stdout]     |
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/typesys/types.rs:237:21
[INFO] [stdout]     |
[INFO] [stdout] 237 |     pub fn subtract(&self, other: &Self) -> Cow<Self> {
[INFO] [stdout]     |                     ^^^^^                   ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 237 |     pub fn subtract(&self, other: &Self) -> Cow<'_, Self> {
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/typesys/types.rs:456:18
[INFO] [stdout]     |
[INFO] [stdout] 456 |     pub fn index(&self, idx: Option<&ConstExpr<CVar>>) -> Option<Cow<Self>> {
[INFO] [stdout]     |                  ^^^^^ the lifetime is elided here               ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 456 |     pub fn index(&self, idx: Option<&ConstExpr<CVar>>) -> Option<Cow<'_, Self>> {
[INFO] [stdout]     |                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/typesys/types.rs:780:26
[INFO] [stdout]     |
[INFO] [stdout] 780 |     pub fn try_to_vector(&self) -> Option<Cow<List<Self>>> {
[INFO] [stdout]     |                          ^^^^^            ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 780 |     pub fn try_to_vector(&self) -> Option<Cow<'_, List<Self>>> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.25s
[INFO] running `Command { std: "docker" "inspect" "8b04200070bc3675aadb36c95ef9dd38eafea7da52ec0b0152bcaf5abb7dea2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b04200070bc3675aadb36c95ef9dd38eafea7da52ec0b0152bcaf5abb7dea2e", kill_on_drop: false }`
[INFO] [stdout] 8b04200070bc3675aadb36c95ef9dd38eafea7da52ec0b0152bcaf5abb7dea2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fd9c19ac0700ea343ae242f6d4aee8f1fca34fe251ff58e019f9b851d90e4a17
[INFO] running `Command { std: "docker" "start" "-a" "fd9c19ac0700ea343ae242f6d4aee8f1fca34fe251ff58e019f9b851d90e4a17", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]    --> src/grammar/parser.rs:284:40
[INFO] [stderr]     |
[INFO] [stderr] 284 |         .fold(String::from(""), |a, b| (a.tap_mut(|a| a.push_str(b))));
[INFO] [stderr]     |                                        ^                            ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 284 -         .fold(String::from(""), |a, b| (a.tap_mut(|a| a.push_str(b))));
[INFO] [stderr] 284 +         .fold(String::from(""), |a, b| a.tap_mut(|a| a.push_str(b)));
[INFO] [stderr]     |
[INFO] [stderr] 
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/typesys/types.rs:237:21
[INFO] [stderr]     |
[INFO] [stderr] 237 |     pub fn subtract(&self, other: &Self) -> Cow<Self> {
[INFO] [stderr]     |                     ^^^^^                   ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 237 |     pub fn subtract(&self, other: &Self) -> Cow<'_, Self> {
[INFO] [stderr]     |                                                 +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/typesys/types.rs:456:18
[INFO] [stderr]     |
[INFO] [stderr] 456 |     pub fn index(&self, idx: Option<&ConstExpr<CVar>>) -> Option<Cow<Self>> {
[INFO] [stderr]     |                  ^^^^^ the lifetime is elided here               ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 456 |     pub fn index(&self, idx: Option<&ConstExpr<CVar>>) -> Option<Cow<'_, Self>> {
[INFO] [stderr]     |                                                                      +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/typesys/types.rs:780:26
[INFO] [stderr]     |
[INFO] [stderr] 780 |     pub fn try_to_vector(&self) -> Option<Cow<List<Self>>> {
[INFO] [stderr]     |                          ^^^^^            ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                          |
[INFO] [stderr]     |                          the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 780 |     pub fn try_to_vector(&self) -> Option<Cow<'_, List<Self>>> {
[INFO] [stderr]     |                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: `melodeon` (lib) generated 5 warnings (run `cargo fix --lib -p melodeon` to apply 4 suggestions)
[INFO] [stderr] warning: `melodeon` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/melodeon-0aa10205c4475093)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test codegen::tests::empty_byte_string ... ok
[INFO] [stdout] test codegen::tests::expt_codegen ... ok
[INFO] [stdout] test typesys::typecheck::tests::typecheck_issue4 ... ok
[INFO] [stdout] test typesys::typecheck::tests::typecheck_simple ... ok
[INFO] [stdout] test typesys::typecheck::tests::typecheck_issue15 ... 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::vector_slice ... ok
[INFO] [stdout] test typesys::types::tests::tricky_unification ... ok
[INFO] [stdout] test typesys::types::tests::tricky_range ... ok
[INFO] [stdout] test grammar::parser::tests::test_parse ... ok
[INFO] [stdout] test typesys::typecheck::tests::typecheck_whole ... ok
[INFO] [stdout] test codegen::tests::tricky_codegen ... ok
[INFO] [stdout] test codegen::tests::simple_codegen ... ok
[INFO] [stdout] test typesys::typecheck::tests::typecheck_tricky ... 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] 
[INFO] [stdout] thread 'codegen::tests::vref_stuff' (30) 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:     0x59f912c26832 - std::backtrace_rs::backtrace::libunwind::trace::h62f3c6bea0fedab3
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x59f912c26832 - std::backtrace_rs::backtrace::trace_unsynchronized::hc41aaca6c0af0bde
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x59f912c26832 - std::sys::backtrace::_print_fmt::h33ac2b97007106cc
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x59f912c26832 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h4e0a3aeea0f9c085
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x59f912c3781f - core::fmt::rt::Argument::fmt::h1edd6a3e00b22f10
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x59f912c3781f - core::fmt::write::hecf68a131630c74d
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x59f912bf3551 - std::io::default_write_fmt::ha6b238eff7f0ef8a
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x59f912bf3551 - std::io::Write::write_fmt::h9846fe3d2a36c1ea
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x59f912bff6f2 - std::sys::backtrace::BacktraceLock::print::h75160192768e5621
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x59f912c0462f - std::panicking::default_hook::{{closure}}::h14d82797cfb1ddcb
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x59f912c044c1 - std::panicking::default_hook::h63f9bf8161c5d325
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x59f912b6879e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb8126f8384f98101
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   12:     0x59f912b6879e - test::test_main_with_exit_callback::{{closure}}::hae96ae0cd2f2ce70
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x59f912c04cef - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha703f6686c81d0c6
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   14:     0x59f912c04cef - std::panicking::panic_with_hook::h3173740e06bd0752
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x59f912c04b4a - std::panicking::panic_handler::{{closure}}::hbac492c61eb56a87
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x59f912bff839 - std::sys::backtrace::__rust_end_short_backtrace::haa3eac3df9535320
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x59f912be739d - __rustc[de0091b922c53d7e]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x59f912c40720 - core::panicking::panic_fmt::h5138da2ef87be35b
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x59f912c3fc76 - core::result::unwrap_failed::h5d9b16b0b732a2ac
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/result.rs:1855:5
[INFO] [stdout]   20:     0x59f91285c11e - core::result::Result<T,E>::unwrap::h2008f8018f0ae4cf
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/result.rs:1226:23
[INFO] [stdout]   21:     0x59f91285c11e - melodeon::codegen::tests::vref_stuff::h2ac69fafcdca9f26
[INFO] [stdout]                                at /opt/rustwide/workdir/src/codegen.rs:655:18
[INFO] [stdout]   22:     0x59f91285c277 - melodeon::codegen::tests::vref_stuff::{{closure}}::hb441a58a52c06050
[INFO] [stdout]                                at /opt/rustwide/workdir/src/codegen.rs:639:20
[INFO] [stdout]   23:     0x59f912868486 - core::ops::function::FnOnce::call_once::h84bbeeb15b306cd1
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x59f912b6857b - core::ops::function::FnOnce::call_once::h8f50ae93d93b62b4
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x59f912b6857b - test::__rust_begin_short_backtrace::h447963718d05a644
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x59f912b7e1b5 - test::run_test_in_process::{{closure}}::hf890ba4755ca86c0
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x59f912b7e1b5 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h31e4b2860e583faa
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x59f912b7e1b5 - std::panicking::catch_unwind::do_call::hec7cdbbe797e2cab
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x59f912b7e1b5 - std::panicking::catch_unwind::h24d3b93458b5ba67
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x59f912b7e1b5 - std::panic::catch_unwind::h46eeec7cf9c9336c
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x59f912b7e1b5 - test::run_test_in_process::h290de6e559006104
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x59f912b7e1b5 - test::run_test::{{closure}}::h26eeb2c5f7e9a995
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x59f912b549b4 - test::run_test::{{closure}}::h85af00882daabeaa
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x59f912b549b4 - std::sys::backtrace::__rust_begin_short_backtrace::h9d9305dda51fa5f2
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x59f912b5835a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc6aada8b43f0527b
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x59f912b5835a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::ha89fe5505c1206f5
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x59f912b5835a - std::panicking::catch_unwind::do_call::he3e0bef721d99583
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:590:40
[INFO] [stdout]   38:     0x59f912b5835a - std::panicking::catch_unwind::ha8241964d3d773cd
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:553:19
[INFO] [stdout]   39:     0x59f912b5835a - std::panic::catch_unwind::ha8554bc7696cae72
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x59f912b5835a - std::thread::Builder::spawn_unchecked_::{{closure}}::he06f1f62b4c90f8d
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x59f912b5835a - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha7fd20ecae19b9b9
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x59f912bfaa1f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h43642ed9c40e0ab2
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   43:     0x59f912bfaa1f - std::sys::thread::unix::Thread::new::thread_start::h38da0f633f090ce2
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/thread/unix.rs:126:17
[INFO] [stdout]   44:     0x7c3f2aaf7aa4 - <unknown>
[INFO] [stdout]   45:     0x7c3f2ab84a64 - 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 0.04s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "fd9c19ac0700ea343ae242f6d4aee8f1fca34fe251ff58e019f9b851d90e4a17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd9c19ac0700ea343ae242f6d4aee8f1fca34fe251ff58e019f9b851d90e4a17", kill_on_drop: false }`
[INFO] [stdout] fd9c19ac0700ea343ae242f6d4aee8f1fca34fe251ff58e019f9b851d90e4a17
