[INFO] fetching crate open-vaf 0.4.2...
[INFO] checking open-vaf-0.4.2 against try#31561a63598a0f21fc74c024747ef1310fdd2eb2 for pr-133536
[INFO] extracting crate open-vaf 0.4.2 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate open-vaf 0.4.2 on toolchain 31561a63598a0f21fc74c024747ef1310fdd2eb2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate open-vaf 0.4.2
[INFO] finished tweaking crates.io crate open-vaf 0.4.2
[INFO] tweaked toml for crates.io crate open-vaf 0.4.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 70 packages to latest compatible versions
[INFO] [stderr]       Adding ahash v0.3.8 (available: v0.8.11)
[INFO] [stderr]       Adding annotate-snippets v0.8.0 (available: v0.11.4)
[INFO] [stderr]       Adding beef v0.4.4 (available: v0.5.2)
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.6.0)
[INFO] [stderr]       Adding fern v0.6.2 (available: v0.7.0)
[INFO] [stderr]       Adding fixedbitset v0.3.2 (available: v0.5.7)
[INFO] [stderr]       Adding float-cmp v0.8.0 (available: v0.10.0)
[INFO] [stderr]       Adding indexmap v1.9.3 (available: v2.6.0)
[INFO] [stderr]       Adding logos v0.11.4 (available: v0.14.2)
[INFO] [stderr]       Adding more-asserts v0.2.2 (available: v0.3.1)
[INFO] [stderr]       Adding parking_lot v0.10.2 (available: v0.12.3)
[INFO] [stderr]       Adding pretty_assertions v0.6.1 (available: v1.4.1)
[INFO] [stderr]       Adding rustc-hash v1.1.0 (available: v2.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cdfd54837f8d5161f23583f4b6c289e7934bb0d2ae879cca9bf253789f150f32
[INFO] running `Command { std: "docker" "start" "-a" "cdfd54837f8d5161f23583f4b6c289e7934bb0d2ae879cca9bf253789f150f32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdfd54837f8d5161f23583f4b6c289e7934bb0d2ae879cca9bf253789f150f32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdfd54837f8d5161f23583f4b6c289e7934bb0d2ae879cca9bf253789f150f32", kill_on_drop: false }`
[INFO] [stdout] cdfd54837f8d5161f23583f4b6c289e7934bb0d2ae879cca9bf253789f150f32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e63edadf4f5a63d2da98dfc1cdeead13aa4889a3cd86dd4711fde5b99741a306
[INFO] running `Command { std: "docker" "start" "-a" "e63edadf4f5a63d2da98dfc1cdeead13aa4889a3cd86dd4711fde5b99741a306", kill_on_drop: false }`
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling beef v0.4.4
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking yansi-term v0.1.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking bumpalo v3.16.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking intrusive-collections v0.9.7
[INFO] [stderr]     Checking fixedbitset v0.3.2
[INFO] [stderr]     Checking more-asserts v0.2.2
[INFO] [stderr]     Checking index_vec v0.1.4
[INFO] [stderr]     Checking annotate-snippets v0.8.0
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]     Checking fern v0.6.2
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]     Checking parking_lot_core v0.7.3
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]     Checking const-random v0.1.18
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]    Compiling logos-derive v0.11.5
[INFO] [stderr]     Checking logos v0.11.4
[INFO] [stderr]     Checking open-vaf v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> src/analysis/test.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::fs::File;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::ir::ModuleId`
[INFO] [stdout]   --> src/ast_lowering/test.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::ir::ModuleId;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::ir::ModuleId`
[INFO] [stdout]   --> src/hir_lowering/test.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::ir::ModuleId;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::ir::ModuleId`
[INFO] [stdout]   --> src/parser/test.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use crate::ir::ModuleId;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this attribute can only be applied to a `use` item
[INFO] [stdout]   --> src/ast_lowering/name_resolution.rs:58:7
[INFO] [stdout]    |
[INFO] [stdout] 58 | #[doc(inline)]
[INFO] [stdout]    |       ^^^^^^ only applicable on `use` items
[INFO] [stdout] 59 | #[macro_export]
[INFO] [stdout] 60 | macro_rules! resolve {
[INFO] [stdout]    | -------------------- not a `use` item
[INFO] [stdout]    |
[INFO] [stdout]    = note: read <https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#inline-and-no_inline> for more information
[INFO] [stdout]    = note: `#[deny(invalid_doc_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this attribute can only be applied to a `use` item
[INFO] [stdout]   --> src/ast_lowering/name_resolution.rs:58:7
[INFO] [stdout]    |
[INFO] [stdout] 58 | #[doc(inline)]
[INFO] [stdout]    |       ^^^^^^ only applicable on `use` items
[INFO] [stdout] 59 | #[macro_export]
[INFO] [stdout] 60 | macro_rules! resolve {
[INFO] [stdout]    | -------------------- not a `use` item
[INFO] [stdout]    |
[INFO] [stdout]    = note: read <https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#inline-and-no_inline> for more information
[INFO] [stdout]    = note: `#[deny(invalid_doc_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `record`
[INFO] [stdout]   --> src/analysis/test.rs:20:32
[INFO] [stdout]    |
[INFO] [stdout] 20 |         .format(|out, message, record| out.finish(*message))
[INFO] [stdout]    |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_record`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/analysis/test.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let mut control_dependencies = cfg.control_dependence_graph_from_ipdom(&ipdom);
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `record`
[INFO] [stdout]   --> src/ast_lowering/test.rs:39:32
[INFO] [stdout]    |
[INFO] [stdout] 39 |         .format(|out, message, record| out.finish(*message))
[INFO] [stdout]    |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_record`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser/lexer.rs:468:13
[INFO] [stdout]     |
[INFO] [stdout] 468 |         let mut res = Self {
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_u32` is never used
[INFO] [stdout]    --> src/symbol.rs:142:18
[INFO] [stdout]     |
[INFO] [stdout] 137 | impl SymbolIndex {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 142 |     pub const fn as_u32(self) -> u32 {
[INFO] [stdout]     |                  ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `RefMut` is never used
[INFO] [stdout]   --> src/util.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub(crate) trait RefMut<T> {
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ImplicitDerivativeCheck` is never constructed
[INFO] [stdout]    --> src/hir_lowering/control_flow.rs:299:8
[INFO] [stdout]     |
[INFO] [stdout] 299 | struct ImplicitDerivativeCheck<'lt> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `partial_derivative_read_only` and `or_for_derivative` are never used
[INFO] [stdout]     --> src/hir_lowering/derivatives/mod.rs:64:12
[INFO] [stdout]      |
[INFO] [stdout] 45   | impl<'lt> HirToMirFold<'lt> {
[INFO] [stdout]      | --------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 64   |     pub fn partial_derivative_read_only(
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1697 |     pub fn or_for_derivative(
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Result` is never used
[INFO] [stdout]   --> src/hir_lowering/error.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub type Result<T = ()> = std::result::Result<T, Error>;
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `source` is never read
[INFO] [stdout]   --> src/parser/preprocessor/mod.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 76 | struct UnresolvedMacroReference<'lt> {
[INFO] [stdout]    |        ------------------------ field in this struct
[INFO] [stdout] 77 |     name: &'lt str,
[INFO] [stdout] 78 |     source: &'lt str,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UnresolvedMacroReference` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `children` is never read
[INFO] [stdout]   --> src/parser/preprocessor/source_map.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub struct SourceMap<'source_map> {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 58 |     children: RBTree<SourceMapAdapter<'source_map>>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SourceMap` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `record`
[INFO] [stdout]    --> src/parser/test.rs:244:32
[INFO] [stdout]     |
[INFO] [stdout] 244 |         .format(|out, message, record| out.finish(*message))
[INFO] [stdout]     |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_record`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `record`
[INFO] [stdout]    --> src/parser/test.rs:268:32
[INFO] [stdout]     |
[INFO] [stdout] 268 |         .format(|out, message, record| out.finish(*message))
[INFO] [stdout]     |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_record`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `record`
[INFO] [stdout]    --> src/parser/test.rs:294:32
[INFO] [stdout]     |
[INFO] [stdout] 294 |         .format(|out, message, record| out.finish(*message))
[INFO] [stdout]     |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_record`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `open-vaf` (lib) due to 1 previous error; 7 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: method `as_u32` is never used
[INFO] [stdout]    --> src/symbol.rs:142:18
[INFO] [stdout]     |
[INFO] [stdout] 137 | impl SymbolIndex {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 142 |     pub const fn as_u32(self) -> u32 {
[INFO] [stdout]     |                  ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `RefMut` is never used
[INFO] [stdout]   --> src/util.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub(crate) trait RefMut<T> {
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ImplicitDerivativeCheck` is never constructed
[INFO] [stdout]    --> src/hir_lowering/control_flow.rs:299:8
[INFO] [stdout]     |
[INFO] [stdout] 299 | struct ImplicitDerivativeCheck<'lt> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `partial_derivative_read_only` and `or_for_derivative` are never used
[INFO] [stdout]     --> src/hir_lowering/derivatives/mod.rs:64:12
[INFO] [stdout]      |
[INFO] [stdout] 45   | impl<'lt> HirToMirFold<'lt> {
[INFO] [stdout]      | --------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 64   |     pub fn partial_derivative_read_only(
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1697 |     pub fn or_for_derivative(
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Result` is never used
[INFO] [stdout]   --> src/hir_lowering/error.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub type Result<T = ()> = std::result::Result<T, Error>;
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `source` is never read
[INFO] [stdout]   --> src/parser/preprocessor/mod.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 76 | struct UnresolvedMacroReference<'lt> {
[INFO] [stdout]    |        ------------------------ field in this struct
[INFO] [stdout] 77 |     name: &'lt str,
[INFO] [stdout] 78 |     source: &'lt str,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UnresolvedMacroReference` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `children` is never read
[INFO] [stdout]   --> src/parser/preprocessor/source_map.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub struct SourceMap<'source_map> {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 58 |     children: RBTree<SourceMapAdapter<'source_map>>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SourceMap` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/analysis/test.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     fern::Dispatch::new()
[INFO] [stdout] 20 | |         .format(|out, message, record| out.finish(*message))
[INFO] [stdout] 21 | |         .level(log::LevelFilter::Debug)
[INFO] [stdout] 22 | |         .chain(std::io::stderr())
[INFO] [stdout] 23 | |         .apply();
[INFO] [stdout]    | |________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let _ = fern::Dispatch::new()
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/ast_lowering/test.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | /     fern::Dispatch::new()
[INFO] [stdout] 22 | |         .format(|out, message, _record| out.finish(*message))
[INFO] [stdout] 23 | |         .level(log::LevelFilter::Info)
[INFO] [stdout] 24 | |         .chain(std::io::stderr())
[INFO] [stdout] 25 | |         .apply();
[INFO] [stdout]    | |________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let _ = fern::Dispatch::new()
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/ast_lowering/test.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | /     fern::Dispatch::new()
[INFO] [stdout] 39 | |         .format(|out, message, record| out.finish(*message))
[INFO] [stdout] 40 | |         .level(log::LevelFilter::Info)
[INFO] [stdout] 41 | |         .chain(std::io::stderr())
[INFO] [stdout] 42 | |         .apply();
[INFO] [stdout]    | |________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let _ = fern::Dispatch::new()
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/hir_lowering/test.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | /     fern::Dispatch::new()
[INFO] [stdout] 22 | |         .format(|out, message, _record| out.finish(*message))
[INFO] [stdout] 23 | |         .level(log::LevelFilter::Info)
[INFO] [stdout] 24 | |         .chain(std::io::stderr())
[INFO] [stdout] 25 | |         .apply();
[INFO] [stdout]    | |________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let _ = fern::Dispatch::new()
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/hir_lowering/test.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 | /     fern::Dispatch::new()
[INFO] [stdout] 54 | |         .format(|out, message, _| out.finish(*message))
[INFO] [stdout] 55 | |         .level(log::LevelFilter::Info)
[INFO] [stdout] 56 | |         .chain(std::io::stderr())
[INFO] [stdout] 57 | |         .apply();
[INFO] [stdout]    | |________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let _ = fern::Dispatch::new()
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/hir_lowering/test.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 116 | /     fern::Dispatch::new()
[INFO] [stdout] 117 | |         .format(|out, message, _| out.finish(*message))
[INFO] [stdout] 118 | |         .level(log::LevelFilter::Info)
[INFO] [stdout] 119 | |         .chain(std::io::stderr())
[INFO] [stdout] 120 | |         .apply();
[INFO] [stdout]     | |________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 116 |     let _ = fern::Dispatch::new()
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/parser/test.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | /     fern::Dispatch::new()
[INFO] [stdout] 29 | |         .format(|out, message, _| out.finish(*message))
[INFO] [stdout] 30 | |         .level(log::LevelFilter::Info)
[INFO] [stdout] 31 | |         .chain(std::io::stderr())
[INFO] [stdout] 32 | |         .apply();
[INFO] [stdout]    | |________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let _ = fern::Dispatch::new()
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/parser/test.rs:137:5
[INFO] [stdout]     |
[INFO] [stdout] 137 | /     fern::Dispatch::new()
[INFO] [stdout] 138 | |         .format(|out, message, _| out.finish(*message))
[INFO] [stdout] 139 | |         .level(log::LevelFilter::Info)
[INFO] [stdout] 140 | |         .chain(std::io::stderr())
[INFO] [stdout] 141 | |         .apply();
[INFO] [stdout]     | |________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 137 |     let _ = fern::Dispatch::new()
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/parser/test.rs:243:5
[INFO] [stdout]     |
[INFO] [stdout] 243 | /     fern::Dispatch::new()
[INFO] [stdout] 244 | |         .format(|out, message, record| out.finish(*message))
[INFO] [stdout] 245 | |         .level(log::LevelFilter::Info)
[INFO] [stdout] 246 | |         .chain(std::io::stderr())
[INFO] [stdout] 247 | |         .apply();
[INFO] [stdout]     | |________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 243 |     let _ = fern::Dispatch::new()
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/parser/test.rs:267:5
[INFO] [stdout]     |
[INFO] [stdout] 267 | /     fern::Dispatch::new()
[INFO] [stdout] 268 | |         .format(|out, message, record| out.finish(*message))
[INFO] [stdout] 269 | |         .level(log::LevelFilter::Info)
[INFO] [stdout] 270 | |         .chain(std::io::stderr())
[INFO] [stdout] 271 | |         .apply();
[INFO] [stdout]     | |________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 267 |     let _ = fern::Dispatch::new()
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/parser/test.rs:293:5
[INFO] [stdout]     |
[INFO] [stdout] 293 | /     fern::Dispatch::new()
[INFO] [stdout] 294 | |         .format(|out, message, record| out.finish(*message))
[INFO] [stdout] 295 | |         .level(log::LevelFilter::Info)
[INFO] [stdout] 296 | |         .chain(std::io::stderr())
[INFO] [stdout] 297 | |         .apply();
[INFO] [stdout]     | |________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 293 |     let _ = fern::Dispatch::new()
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `open-vaf` (lib test) due to 1 previous error; 29 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "e63edadf4f5a63d2da98dfc1cdeead13aa4889a3cd86dd4711fde5b99741a306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e63edadf4f5a63d2da98dfc1cdeead13aa4889a3cd86dd4711fde5b99741a306", kill_on_drop: false }`
[INFO] [stdout] e63edadf4f5a63d2da98dfc1cdeead13aa4889a3cd86dd4711fde5b99741a306
