[INFO] fetching crate rokc_core 0.1.0...
[INFO] testing rokc_core-0.1.0 against 1.95.0 for beta-1.96-2
[INFO] extracting crate rokc_core 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate rokc_core 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rokc_core 0.1.0
[INFO] tweaked toml for crates.io crate rokc_core 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rokc_core 0.1.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rokc_core 0.1.0 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ariadne v0.6.0
[INFO] [stderr]   Downloaded rokc_parser v0.1.0
[INFO] [stderr]   Downloaded id_tree v1.8.0
[INFO] [stderr]   Downloaded lasso v0.7.3
[INFO] [stderr]   Downloaded snowflake v1.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] efff36f53d4e247f3f8e1a589a0173b52fe9b16296f6d78523008b141ce0e042
[INFO] running `Command { std: "docker" "start" "-a" "efff36f53d4e247f3f8e1a589a0173b52fe9b16296f6d78523008b141ce0e042", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efff36f53d4e247f3f8e1a589a0173b52fe9b16296f6d78523008b141ce0e042", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efff36f53d4e247f3f8e1a589a0173b52fe9b16296f6d78523008b141ce0e042", kill_on_drop: false }`
[INFO] [stdout] efff36f53d4e247f3f8e1a589a0173b52fe9b16296f6d78523008b141ce0e042
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b53b0705a412f0441b4819b30989b5a50cefee033d73dfcd00e82559371698fc
[INFO] running `Command { std: "docker" "start" "-a" "b53b0705a412f0441b4819b30989b5a50cefee033d73dfcd00e82559371698fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.31
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling phf_shared v0.13.1
[INFO] [stderr]    Compiling countme v3.0.1
[INFO] [stderr]    Compiling text-size v1.1.1
[INFO] [stderr]    Compiling snowflake v1.3.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling id_tree v1.8.0
[INFO] [stderr]    Compiling phf_generator v0.13.1
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling rowan v0.16.1
[INFO] [stderr]    Compiling dashmap v6.1.0
[INFO] [stderr]    Compiling lasso v0.7.3
[INFO] [stderr]    Compiling phf_macros v0.13.1
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling phf v0.13.1
[INFO] [stderr]    Compiling logos-codegen v0.16.0
[INFO] [stderr]    Compiling logos-derive v0.16.0
[INFO] [stderr]    Compiling logos v0.16.0
[INFO] [stderr]    Compiling rokc_parser v0.1.0
[INFO] [stderr]    Compiling rokc_core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `hash_map::OccupiedEntry`
[INFO] [stdout]  --> src/config_file.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |         hash_map::OccupiedEntry,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/types/node/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     self,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/types/node/mod.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         self,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/evaluator/structure.rs:153:17
[INFO] [stdout]     |
[INFO] [stdout] 152 |                 todo!("Invalid source kind used");
[INFO] [stdout]     |                 --------------------------------- any code following this expression is unreachable
[INFO] [stdout] 153 |                 return Ok(());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `iter::FusedIterator`
[INFO] [stdout]  --> src/config_file.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     iter::FusedIterator,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]    --> src/evaluator/config.rs:166:13
[INFO] [stdout]     |
[INFO] [stdout] 166 |         let node = self.0.add_symbol_node(symbol_spur, node)?;
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `old`
[INFO] [stdout]    --> src/evaluator/config.rs:865:33
[INFO] [stdout]     |
[INFO] [stdout] 865 |                     if let Some(old) = node.visible.replace(expr) {
[INFO] [stdout]     |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_old`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `symbol`
[INFO] [stdout]    --> src/types/mod.rs:630:25
[INFO] [stdout]     |
[INFO] [stdout] 630 |     fn get_value(&self, symbol: Spur) -> Option<&Value> {
[INFO] [stdout]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_symbol`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/types/mod.rs:566:13
[INFO] [stdout]     |
[INFO] [stdout] 566 |             node.load_value(value.clone(), ConfigValueSource::FromConfig);
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 566 |             let _ = node.load_value(value.clone(), ConfigValueSource::FromConfig);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/types/mod.rs:581:13
[INFO] [stdout]     |
[INFO] [stdout] 581 |             node.load_value(value.clone(), ConfigValueSource::FromConfig);
[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] 581 |             let _ = node.load_value(value.clone(), ConfigValueSource::FromConfig);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.98s
[INFO] running `Command { std: "docker" "inspect" "b53b0705a412f0441b4819b30989b5a50cefee033d73dfcd00e82559371698fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b53b0705a412f0441b4819b30989b5a50cefee033d73dfcd00e82559371698fc", kill_on_drop: false }`
[INFO] [stdout] b53b0705a412f0441b4819b30989b5a50cefee033d73dfcd00e82559371698fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9115063b617c3d02e40537cf3c34273be8686b497215b9e7f5c5db7951548fca
[INFO] running `Command { std: "docker" "start" "-a" "9115063b617c3d02e40537cf3c34273be8686b497215b9e7f5c5db7951548fca", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `hash_map::OccupiedEntry`
[INFO] [stdout]  --> src/config_file.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |         hash_map::OccupiedEntry,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/types/node/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     self,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/types/node/mod.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         self,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/evaluator/structure.rs:153:17
[INFO] [stdout]     |
[INFO] [stdout] 152 |                 todo!("Invalid source kind used");
[INFO] [stdout]     |                 --------------------------------- any code following this expression is unreachable
[INFO] [stdout] 153 |                 return Ok(());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `iter::FusedIterator`
[INFO] [stdout]  --> src/config_file.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     iter::FusedIterator,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]    --> src/evaluator/config.rs:166:13
[INFO] [stdout]     |
[INFO] [stdout] 166 |         let node = self.0.add_symbol_node(symbol_spur, node)?;
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `old`
[INFO] [stdout]    --> src/evaluator/config.rs:865:33
[INFO] [stdout]     |
[INFO] [stdout] 865 |                     if let Some(old) = node.visible.replace(expr) {
[INFO] [stdout]     |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_old`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `symbol`
[INFO] [stdout]    --> src/types/mod.rs:630:25
[INFO] [stdout]     |
[INFO] [stdout] 630 |     fn get_value(&self, symbol: Spur) -> Option<&Value> {
[INFO] [stdout]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_symbol`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/types/mod.rs:566:13
[INFO] [stdout]     |
[INFO] [stdout] 566 |             node.load_value(value.clone(), ConfigValueSource::FromConfig);
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 566 |             let _ = node.load_value(value.clone(), ConfigValueSource::FromConfig);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/types/mod.rs:581:13
[INFO] [stdout]     |
[INFO] [stdout] 581 |             node.load_value(value.clone(), ConfigValueSource::FromConfig);
[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] 581 |             let _ = node.load_value(value.clone(), ConfigValueSource::FromConfig);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rokc_core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `hash_map::OccupiedEntry` and `iter::FusedIterator`
[INFO] [stdout]  --> src/config_file.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |         hash_map::OccupiedEntry,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 5 |     },
[INFO] [stdout] 6 |     iter::FusedIterator,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/types/node/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     self,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/types/node/mod.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         self,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/evaluator/structure.rs:153:17
[INFO] [stdout]     |
[INFO] [stdout] 152 |                 todo!("Invalid source kind used");
[INFO] [stdout]     |                 --------------------------------- any code following this expression is unreachable
[INFO] [stdout] 153 |                 return Ok(());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]    --> src/evaluator/config.rs:166:13
[INFO] [stdout]     |
[INFO] [stdout] 166 |         let node = self.0.add_symbol_node(symbol_spur, node)?;
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `old`
[INFO] [stdout]    --> src/evaluator/config.rs:865:33
[INFO] [stdout]     |
[INFO] [stdout] 865 |                     if let Some(old) = node.visible.replace(expr) {
[INFO] [stdout]     |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_old`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `symbol`
[INFO] [stdout]    --> src/types/mod.rs:630:25
[INFO] [stdout]     |
[INFO] [stdout] 630 |     fn get_value(&self, symbol: Spur) -> Option<&Value> {
[INFO] [stdout]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_symbol`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/types/mod.rs:566:13
[INFO] [stdout]     |
[INFO] [stdout] 566 |             node.load_value(value.clone(), ConfigValueSource::FromConfig);
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 566 |             let _ = node.load_value(value.clone(), ConfigValueSource::FromConfig);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/types/mod.rs:581:13
[INFO] [stdout]     |
[INFO] [stdout] 581 |             node.load_value(value.clone(), ConfigValueSource::FromConfig);
[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] 581 |             let _ = node.load_value(value.clone(), ConfigValueSource::FromConfig);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.79s
[INFO] running `Command { std: "docker" "inspect" "9115063b617c3d02e40537cf3c34273be8686b497215b9e7f5c5db7951548fca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9115063b617c3d02e40537cf3c34273be8686b497215b9e7f5c5db7951548fca", kill_on_drop: false }`
[INFO] [stdout] 9115063b617c3d02e40537cf3c34273be8686b497215b9e7f5c5db7951548fca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9ca1f68c5d60bf0a2c1b3b8bf7887f8a13ddcb164123bc029dcae0458768a668
[INFO] running `Command { std: "docker" "start" "-a" "9ca1f68c5d60bf0a2c1b3b8bf7887f8a13ddcb164123bc029dcae0458768a668", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `hash_map::OccupiedEntry`
[INFO] [stderr]  --> src/config_file.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |         hash_map::OccupiedEntry,
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/types/node/mod.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     self,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]   --> src/types/node/mod.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |         self,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/evaluator/structure.rs:153:17
[INFO] [stderr]     |
[INFO] [stderr] 152 |                 todo!("Invalid source kind used");
[INFO] [stderr]     |                 --------------------------------- any code following this expression is unreachable
[INFO] [stderr] 153 |                 return Ok(());
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `iter::FusedIterator`
[INFO] [stderr]  --> src/config_file.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     iter::FusedIterator,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node`
[INFO] [stderr]    --> src/evaluator/config.rs:166:13
[INFO] [stderr]     |
[INFO] [stderr] 166 |         let node = self.0.add_symbol_node(symbol_spur, node)?;
[INFO] [stderr]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `old`
[INFO] [stderr]    --> src/evaluator/config.rs:865:33
[INFO] [stderr]     |
[INFO] [stderr] 865 |                     if let Some(old) = node.visible.replace(expr) {
[INFO] [stderr]     |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_old`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `symbol`
[INFO] [stderr]    --> src/types/mod.rs:630:25
[INFO] [stderr]     |
[INFO] [stderr] 630 |     fn get_value(&self, symbol: Spur) -> Option<&Value> {
[INFO] [stderr]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_symbol`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/types/mod.rs:566:13
[INFO] [stderr]     |
[INFO] [stderr] 566 |             node.load_value(value.clone(), ConfigValueSource::FromConfig);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 566 |             let _ = node.load_value(value.clone(), ConfigValueSource::FromConfig);
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/types/mod.rs:581:13
[INFO] [stderr]     |
[INFO] [stderr] 581 |             node.load_value(value.clone(), ConfigValueSource::FromConfig);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 581 |             let _ = node.load_value(value.clone(), ConfigValueSource::FromConfig);
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `hash_map::OccupiedEntry` and `iter::FusedIterator`
[INFO] [stderr]  --> src/config_file.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |         hash_map::OccupiedEntry,
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 5 |     },
[INFO] [stderr] 6 |     iter::FusedIterator,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rokc_core` (lib) generated 10 warnings (run `cargo fix --lib -p rokc_core` to apply 6 suggestions)
[INFO] [stderr] warning: `rokc_core` (lib test) generated 9 warnings (8 duplicates) (run `cargo fix --lib -p rokc_core --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rokc_core-dce08cba347c4254)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test evaluator::macros::builtin::test::filename ... ok
[INFO] [stdout] test expressions::test::expression_evaluate ... ok
[INFO] [stdout] test expressions::test::trivial ... ok
[INFO] [stdout] test expressions::test::trivial_n ... ok
[INFO] [stdout] test types::macros::test::macro_arg_try_resolve ... ok
[INFO] [stdout] test expressions::test::trivial_y ... ok
[INFO] [stdout] test config_file::test::parse_string ... ok
[INFO] [stdout] test evaluator::macros::runner::test::local_context ... ok
[INFO] [stdout] test types::place::test::definition_place_display ... ok
[INFO] [stdout] test expressions::test::expression_display ... ok
[INFO] [stdout] test types::place::test::defintion_place_lineno ... ok
[INFO] [stdout] test types::value::test::number ... ok
[INFO] [stdout] test expressions::value::test::symbol_display ... ok
[INFO] [stdout] test types::place::test::display_lineno ... ok
[INFO] [stdout] test types::value::test::trinary ... ok
[INFO] [stdout] test expressions::test::expression_debug ... ok
[INFO] [stdout] test types::value::test::value_try_cast ... ok
[INFO] [stdout] test expressions::value::test::symbl_value_no_resolve ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rokc_core
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/types/place.rs - types::place::DefinitionPlace::lineno_is_cached (line 135) ... ok
[INFO] [stdout] test src/types/place.rs - types::place::DefinitionPlace::display (line 108) ... ok
[INFO] [stdout] test src/types/place.rs - types::place::DefinitionPlace::lineno (line 162) ... ok
[INFO] [stdout] test src/config_file.rs - config_file::ConfigFile::clear_prefix (line 136) ... ok
[INFO] [stdout] test src/types/place.rs - types::place::DefinitionPlace::new_with_lineno (line 72) ... ok
[INFO] [stdout] test src/types/value.rs - types::value::Value::kind (line 179) ... ok
[INFO] [stdout] test src/types/place.rs - types::place::DefinitionPlace::new (line 47) ... ok
[INFO] [stdout] test src/types/value.rs - types::value::Value::try_cast (line 196) ... ok
[INFO] [stdout] test src/config_file.rs - config_file::ConfigFile::set_prefix (line 110) ... ok
[INFO] [stdout] test src/types/place.rs - types::place::Display (line 389) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.80s; merged doctests compilation took 0.69s
[INFO] running `Command { std: "docker" "inspect" "9ca1f68c5d60bf0a2c1b3b8bf7887f8a13ddcb164123bc029dcae0458768a668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ca1f68c5d60bf0a2c1b3b8bf7887f8a13ddcb164123bc029dcae0458768a668", kill_on_drop: false }`
[INFO] [stdout] 9ca1f68c5d60bf0a2c1b3b8bf7887f8a13ddcb164123bc029dcae0458768a668
