[INFO] cloning repository https://github.com/kengorab/abra-lang-old
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kengorab/abra-lang-old" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkengorab%2Fabra-lang-old", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 96e9707a7899173e3aa4c7c03c623e869c911f03
[INFO] checking kengorab/abra-lang-old against try#b98202ad067d72e45cec8be3d5c15d86ef0fd086 for pr-155193
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkengorab%2Fabra-lang-old" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kengorab/abra-lang-old
[INFO] finished tweaking git repo https://github.com/kengorab/abra-lang-old
[INFO] tweaked toml for git repo https://github.com/kengorab/abra-lang-old written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kengorab/abra-lang-old on toolchain b98202ad067d72e45cec8be3d5c15d86ef0fd086
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b98202ad067d72e45cec8be3d5c15d86ef0fd086" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kengorab/abra-lang-old 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" "+b98202ad067d72e45cec8be3d5c15d86ef0fd086" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Checking abra_core v0.5.7 (/opt/rustwide/workdir/abra_core)
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[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> abra_core/src/vm/compiler.rs:406:13
[INFO] [stdout]     |
[INFO] [stdout] 406 |         let mut scope = self.scopes.last_mut().unwrap();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> abra_core/src/common/util.rs:17:30
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let bits: u64 = unsafe { std::mem::transmute(float) };
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 17 -     let bits: u64 = unsafe { std::mem::transmute(float) };
[INFO] [stdout] 17 +     let bits: u64 = unsafe { f64::to_bits(float) };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> abra_core/src/lexer/lexer.rs:107:22
[INFO] [stdout]     |
[INFO] [stdout] 107 |             unsafe { std::mem::transmute(i) }
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using `char::from_u32(…).unwrap()`
[INFO] [stdout] help: replace this with
[INFO] [stdout]     |
[INFO] [stdout] 107 -             unsafe { std::mem::transmute(i) }
[INFO] [stdout] 107 +             unsafe { char::from_u32_unchecked(i) }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> abra_core/src/parser/ast.rs:254:42
[INFO] [stdout]     |
[INFO] [stdout] 254 | pub fn args_to_parameters(raw_arg_tuple: &(Token, Option<TypeIdentifier>, bool, Option<AstNode>)) -> Parameter {
[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] 254 | pub fn args_to_parameters(raw_arg_tuple: &(Token, Option<TypeIdentifier>, bool, Option<AstNode>)) -> Parameter<'_> {
[INFO] [stdout]     |                                                                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> abra_core/src/parser/ast.rs:274:23
[INFO] [stdout]     |
[INFO] [stdout] 274 |     pub fn parameters(&self) -> Vec<Parameter> {
[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] 274 |     pub fn parameters(&self) -> Vec<Parameter<'_>> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> abra_core/src/parser/ast.rs:286:23
[INFO] [stdout]     |
[INFO] [stdout] 286 |     pub fn parameters(&self) -> Vec<Parameter> {
[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] 286 |     pub fn parameters(&self) -> Vec<Parameter<'_>> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]   --> abra_core/src/vm/value.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         hasher.finish();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let _ = hasher.finish();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]   --> abra_core/src/vm/value.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |         hasher.finish();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let _ = hasher.finish();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> abra_core/src/vm/value.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 81 | #[derive(Debug, Default, Clone, Hash, Eq, PartialEq)]
[INFO] [stdout]    |                                           --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 85 |     pub constructor: Option<fn(usize, Vec<Value>) -> Value>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]    = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]    --> abra_core/src/vm/value.rs:307:9
[INFO] [stdout]     |
[INFO] [stdout] 307 |         hasher.finish();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 307 |         let _ = hasher.finish();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking abra_llvm v0.1.0 (/opt/rustwide/workdir/abra_llvm)
[INFO] [stderr]     Checking selfhost_test v0.1.0 (/opt/rustwide/workdir/selfhost_test)
[INFO] [stderr]     Checking lsp-types v0.81.0
[INFO] [stdout] error: older versions of the `wasm-bindgen` crate are incompatible with current versions of Rust; please update to `wasm-bindgen` v0.2.88
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wasm-bindgen` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> abra_core/src/vm/compiler.rs:406:13
[INFO] [stdout]     |
[INFO] [stdout] 406 |         let mut scope = self.scopes.last_mut().unwrap();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> abra_core/src/common/util.rs:17:30
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let bits: u64 = unsafe { std::mem::transmute(float) };
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 17 -     let bits: u64 = unsafe { std::mem::transmute(float) };
[INFO] [stdout] 17 +     let bits: u64 = unsafe { f64::to_bits(float) };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> abra_core/src/lexer/lexer.rs:107:22
[INFO] [stdout]     |
[INFO] [stdout] 107 |             unsafe { std::mem::transmute(i) }
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using `char::from_u32(…).unwrap()`
[INFO] [stdout] help: replace this with
[INFO] [stdout]     |
[INFO] [stdout] 107 -             unsafe { std::mem::transmute(i) }
[INFO] [stdout] 107 +             unsafe { char::from_u32_unchecked(i) }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> abra_core/src/parser/ast.rs:254:42
[INFO] [stdout]     |
[INFO] [stdout] 254 | pub fn args_to_parameters(raw_arg_tuple: &(Token, Option<TypeIdentifier>, bool, Option<AstNode>)) -> Parameter {
[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] 254 | pub fn args_to_parameters(raw_arg_tuple: &(Token, Option<TypeIdentifier>, bool, Option<AstNode>)) -> Parameter<'_> {
[INFO] [stdout]     |                                                                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> abra_core/src/parser/ast.rs:274:23
[INFO] [stdout]     |
[INFO] [stdout] 274 |     pub fn parameters(&self) -> Vec<Parameter> {
[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] 274 |     pub fn parameters(&self) -> Vec<Parameter<'_>> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> abra_core/src/parser/ast.rs:286:23
[INFO] [stdout]     |
[INFO] [stdout] 286 |     pub fn parameters(&self) -> Vec<Parameter> {
[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] 286 |     pub fn parameters(&self) -> Vec<Parameter<'_>> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]   --> abra_core/src/vm/value.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         hasher.finish();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let _ = hasher.finish();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]   --> abra_core/src/vm/value.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |         hasher.finish();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let _ = hasher.finish();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> abra_core/src/vm/value.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 81 | #[derive(Debug, Default, Clone, Hash, Eq, PartialEq)]
[INFO] [stdout]    |                                           --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 85 |     pub constructor: Option<fn(usize, Vec<Value>) -> Value>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]    = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]    --> abra_core/src/vm/value.rs:307:9
[INFO] [stdout]     |
[INFO] [stdout] 307 |         hasher.finish();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 307 |         let _ = hasher.finish();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d4720c31d0777ab4496bc6d5cfcb768e54c8d15bafe2c60451a213955ae0eb80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4720c31d0777ab4496bc6d5cfcb768e54c8d15bafe2c60451a213955ae0eb80", kill_on_drop: false }`
[INFO] [stdout] d4720c31d0777ab4496bc6d5cfcb768e54c8d15bafe2c60451a213955ae0eb80
