[INFO] fetching crate melodeon 0.5.16...
[INFO] testing melodeon-0.5.16 against 1.90.0 for beta-1.91-3
[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 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stdout] cce54582774ad08e0b6936e4ba97ad01b15a4b31db2b3207bf463c0cffc876ba
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[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 imbl v1.0.1
[INFO] [stderr]    Compiling argh v0.1.8
[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: 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)]` 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)]` 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 54.08s
[INFO] running `Command { std: "docker" "inspect" "cce54582774ad08e0b6936e4ba97ad01b15a4b31db2b3207bf463c0cffc876ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cce54582774ad08e0b6936e4ba97ad01b15a4b31db2b3207bf463c0cffc876ba", kill_on_drop: false }`
[INFO] [stdout] cce54582774ad08e0b6936e4ba97ad01b15a4b31db2b3207bf463c0cffc876ba
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c585d6ee0198caf0d74bd78c52e9a4a17be2ac8840e2381b02c13e0e3395eda
[INFO] running `Command { std: "docker" "start" "-a" "4c585d6ee0198caf0d74bd78c52e9a4a17be2ac8840e2381b02c13e0e3395eda", 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)]` 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)]` 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]    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)]` 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)]` 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 12.96s
[INFO] running `Command { std: "docker" "inspect" "4c585d6ee0198caf0d74bd78c52e9a4a17be2ac8840e2381b02c13e0e3395eda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c585d6ee0198caf0d74bd78c52e9a4a17be2ac8840e2381b02c13e0e3395eda", kill_on_drop: false }`
[INFO] [stdout] 4c585d6ee0198caf0d74bd78c52e9a4a17be2ac8840e2381b02c13e0e3395eda
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 79ae8d92ed0bc03496dbccb51e3033523b216a32e0f6a77760a354af6d8bfe14
[INFO] running `Command { std: "docker" "start" "-a" "79ae8d92ed0bc03496dbccb51e3033523b216a32e0f6a77760a354af6d8bfe14", 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)]` 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)]` 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 1 suggestion)
[INFO] [stderr] warning: `melodeon` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/melodeon-256355d3ed6d8d94)
[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_issue15 ... ok
[INFO] [stdout] test codegen::tests::vector_slice ... ok
[INFO] [stdout] test typesys::typecheck::tests::typecheck_issue4 ... ok
[INFO] [stdout] test grammar::parser::tests::test_parse ... ok
[INFO] [stdout] test codegen::tests::tricky_codegen ... ok
[INFO] [stdout] test codegen::tests::simple_codegen ... ok
[INFO] [stdout] test typesys::typecheck::tests::typecheck_simple ... ok
[INFO] [stdout] test typesys::types::tests::tricky_range ... 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_tricky ... ok
[INFO] [stdout] test typesys::typecheck::tests::typecheck_whole ... ok
[INFO] [stdout] test typesys::types::tests::tricky_unification ... 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] [stderr] error: test failed, to rerun pass `--lib`
[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' 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:     0x5c582d73f722 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c582d73f722 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c582d73f722 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5c582d73f722 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hdcfcb6d4c8489523
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5c582d765993 - core::fmt::rt::Argument::fmt::h2c56b3114963061a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5c582d765993 - core::fmt::write::h8a494366950f23bb
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5c582d73c323 - std::io::default_write_fmt::h7b8824096454f323
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5c582d73c323 - std::io::Write::write_fmt::h4e71294925c334d0
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5c582d73f572 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5c582d740ca9 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5c582d740ade - std::panicking::default_hook::h2c66fc99e962531d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5c582d6a8ff4 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb6bd65493727d71a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x5c582d6a8ff4 - test::test_main_with_exit_callback::{{closure}}::h60217ec76a0ece4a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5c582d74177e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h318e4efb8c1a5689
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x5c582d74177e - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5c582d74144a - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x5c582d73fc29 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5c582d7410dd - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5c582d764050 - core::panicking::panic_fmt::h62f63d096dd276af
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5c582d764506 - core::result::unwrap_failed::h95bc3f5a607b2c95
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/result.rs:1765:5
[INFO] [stdout]   20:     0x5c582d4b89bd - core::result::Result<T,E>::unwrap::h70cb90404f1f3a59
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/result.rs:1167:23
[INFO] [stdout]   21:     0x5c582d4b89bd - melodeon::codegen::tests::vref_stuff::h6bb6443ca9b851db
[INFO] [stdout]                                at /opt/rustwide/workdir/src/codegen.rs:655:18
[INFO] [stdout]   22:     0x5c582d4b8757 - melodeon::codegen::tests::vref_stuff::{{closure}}::hd07d34be1a42f482
[INFO] [stdout]                                at /opt/rustwide/workdir/src/codegen.rs:639:20
[INFO] [stdout]   23:     0x5c582d4e8106 - core::ops::function::FnOnce::call_once::h8d567d360b3c651d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   24:     0x5c582d6ae85b - core::ops::function::FnOnce::call_once::h1f9474f1347fff52
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   25:     0x5c582d6ae85b - test::__rust_begin_short_backtrace::ha52ab26e77157f03
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x5c582d6ad995 - test::run_test_in_process::{{closure}}::h229c1a11a50b261f
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x5c582d6ad995 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h78821afbf97b39a9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x5c582d6ad995 - std::panicking::catch_unwind::do_call::h53abf3ed5bd32ba3
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x5c582d6ad995 - std::panicking::catch_unwind::h6deb5fe1e91873c9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x5c582d6ad995 - std::panic::catch_unwind::hea0829b6b565654b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5c582d6ad995 - test::run_test_in_process::hdc44dfecea3db21b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x5c582d6ad995 - test::run_test::{{closure}}::h0364ba59bf23f652
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x5c582d671594 - test::run_test::{{closure}}::h32730b304eec05da
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x5c582d671594 - std::sys::backtrace::__rust_begin_short_backtrace::h177cb952fc54ad2c
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x5c582d674f6a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h119d903520007597
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x5c582d674f6a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hab88401d606702a6
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x5c582d674f6a - std::panicking::catch_unwind::do_call::h163fe12cca9901c2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x5c582d674f6a - std::panicking::catch_unwind::he81557d0e17cc1bc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x5c582d674f6a - std::panic::catch_unwind::hc2b8e79c20593955
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5c582d674f6a - std::thread::Builder::spawn_unchecked_::{{closure}}::hfa6b4978e07815cc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x5c582d674f6a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hddcd7484a13fd793
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   42:     0x5c582d74478f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5924238c754de3b8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x5c582d74478f - std::sys::pal::unix::thread::Thread::new::thread_start::hb6e99e73da4d28f8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/pal/unix/thread.rs:107:17
[INFO] [stdout]   44:     0x7b47b5fa7aa4 - <unknown>
[INFO] [stdout]   45:     0x7b47b6034a34 - 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] running `Command { std: "docker" "inspect" "79ae8d92ed0bc03496dbccb51e3033523b216a32e0f6a77760a354af6d8bfe14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79ae8d92ed0bc03496dbccb51e3033523b216a32e0f6a77760a354af6d8bfe14", kill_on_drop: false }`
[INFO] [stdout] 79ae8d92ed0bc03496dbccb51e3033523b216a32e0f6a77760a354af6d8bfe14
