[INFO] fetching crate chord-progression-parser 0.4.0...
[INFO] checking chord-progression-parser-0.4.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate chord-progression-parser 0.4.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate chord-progression-parser 0.4.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chord-progression-parser 0.4.0
[INFO] finished tweaking crates.io crate chord-progression-parser 0.4.0
[INFO] tweaked toml for crates.io crate chord-progression-parser 0.4.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]   Downloaded strum v0.25.0
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[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71fa4eeabf044fb33c8a7c4774d3d617b494c1186f861cd4a5f05c28fcc66709
[INFO] running `Command { std: "docker" "start" "-a" "71fa4eeabf044fb33c8a7c4774d3d617b494c1186f861cd4a5f05c28fcc66709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71fa4eeabf044fb33c8a7c4774d3d617b494c1186f861cd4a5f05c28fcc66709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71fa4eeabf044fb33c8a7c4774d3d617b494c1186f861cd4a5f05c28fcc66709", kill_on_drop: false }`
[INFO] [stdout] 71fa4eeabf044fb33c8a7c4774d3d617b494c1186f861cd4a5f05c28fcc66709
[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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 063370f3d4b082e27c3e317cd6c7828b136a759369ac032ede4c7812df717b54
[INFO] running `Command { std: "docker" "start" "-a" "063370f3d4b082e27c3e317cd6c7828b136a759369ac032ede4c7812df717b54", kill_on_drop: false }`
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[INFO] [stderr]     Checking chord-progression-parser v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Position` is imported redundantly
[INFO] [stdout]    --> src/parser/mod.rs:776:13
[INFO] [stdout]     |
[INFO] [stdout] 775 |         use super::*;
[INFO] [stdout]     |             -------- the item `Position` is already imported here
[INFO] [stdout] 776 |         use crate::util::position::Position;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Position` is imported redundantly
[INFO] [stdout]    --> src/tokenizer/mod.rs:470:13
[INFO] [stdout]     |
[INFO] [stdout] 470 |         use crate::util::position::Position;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 471 |
[INFO] [stdout] 472 |         use super::*;
[INFO] [stdout]     |             -------- the item `Position` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `wasm_bindgen::JsValue::from_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stdout]   --> src/lib.rs:43:14
[INFO] [stdout]    |
[INFO] [stdout] 43 |     JsValue::from_serde(&json_result).unwrap()
[INFO] [stdout]    |              ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `wasm_bindgen::JsValue::from_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stdout]   --> src/lib.rs:43:14
[INFO] [stdout]    |
[INFO] [stdout] 43 |     JsValue::from_serde(&json_result).unwrap()
[INFO] [stdout]    |              ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/parser/types/chord_detailed.rs:115:58
[INFO] [stdout]     |
[INFO] [stdout] 115 |         let mut sorted_extensions = (*Extension::VARIANTS.clone()).to_vec();
[INFO] [stdout]     |                                                          ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `[&str]` does not implement `Clone`, so calling `clone` on `&[&str]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/parser/types/chord_detailed.rs:115:58
[INFO] [stdout]     |
[INFO] [stdout] 115 |         let mut sorted_extensions = (*Extension::VARIANTS.clone()).to_vec();
[INFO] [stdout]     |                                                          ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `[&str]` does not implement `Clone`, so calling `clone` on `&[&str]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.47s
[INFO] running `Command { std: "docker" "inspect" "063370f3d4b082e27c3e317cd6c7828b136a759369ac032ede4c7812df717b54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "063370f3d4b082e27c3e317cd6c7828b136a759369ac032ede4c7812df717b54", kill_on_drop: false }`
[INFO] [stdout] 063370f3d4b082e27c3e317cd6c7828b136a759369ac032ede4c7812df717b54