[INFO] fetching crate note-pen 0.3.0...
[INFO] building note-pen-0.3.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate note-pen 0.3.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate note-pen 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate note-pen 0.3.0
[INFO] tweaked toml for crates.io crate note-pen 0.3.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate note-pen 0.3.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate note-pen 0.3.0 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16f8fcf485d8a7121acfb3c164fe9b28a60a164f01dd1cb57ae45820aa27deef
[INFO] running `Command { std: "docker" "start" "-a" "16f8fcf485d8a7121acfb3c164fe9b28a60a164f01dd1cb57ae45820aa27deef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16f8fcf485d8a7121acfb3c164fe9b28a60a164f01dd1cb57ae45820aa27deef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16f8fcf485d8a7121acfb3c164fe9b28a60a164f01dd1cb57ae45820aa27deef", kill_on_drop: false }`
[INFO] [stdout] 16f8fcf485d8a7121acfb3c164fe9b28a60a164f01dd1cb57ae45820aa27deef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0cf3e53f8a8cdd0407318949a19bbf954efd250f14823ba698c59b605914762b
[INFO] running `Command { std: "docker" "start" "-a" "0cf3e53f8a8cdd0407318949a19bbf954efd250f14823ba698c59b605914762b", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling musicxml_internal v1.1.2
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling miniz_oxide v0.8.3
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling indexmap v2.7.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling uuid v1.12.1
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]    Compiling musicxml_macros v1.1.2
[INFO] [stderr]    Compiling derive_more v2.0.1
[INFO] [stderr]    Compiling musicxml v1.1.2
[INFO] [stderr]    Compiling note-pen v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/measure.rs:363:9
[INFO] [stdout]     |
[INFO] [stdout] 363 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Custom` is never constructed
[INFO] [stdout]  --> src/time_signature.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum TimeSignatureSymbol {
[INFO] [stdout]   |          ------------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 8 |     Custom(String)
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `TimeSignatureSymbol` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `clef`, `time_signature`, `key`, `notes`, and `directions` are never read
[INFO] [stdout]    --> src/measure.rs:354:5
[INFO] [stdout]     |
[INFO] [stdout] 353 | pub struct Measure {
[INFO] [stdout]     |            ------- fields in this struct
[INFO] [stdout] 354 |     clef: Clef,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 355 |     time_signature: TimeSignature,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 356 |     key: Key,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 357 |     notes: TimedMeasureItem,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 358 |     directions: Vec<Direction>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Measure` 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 `symbol` is never read
[INFO] [stdout]   --> src/time_signature.rs:19:16
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct TimeSignature {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub(crate) symbol: Option<TimeSignatureSymbol>
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TimeSignature` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.76s
[INFO] running `Command { std: "docker" "inspect" "0cf3e53f8a8cdd0407318949a19bbf954efd250f14823ba698c59b605914762b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cf3e53f8a8cdd0407318949a19bbf954efd250f14823ba698c59b605914762b", kill_on_drop: false }`
[INFO] [stdout] 0cf3e53f8a8cdd0407318949a19bbf954efd250f14823ba698c59b605914762b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4917ca80bee23cf5a3775c7cb15f5b0f62834464c8d33a094f7d3f49f7b8724d
[INFO] running `Command { std: "docker" "start" "-a" "4917ca80bee23cf5a3775c7cb15f5b0f62834464c8d33a094f7d3f49f7b8724d", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/measure.rs:363:9
[INFO] [stdout]     |
[INFO] [stdout] 363 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Custom` is never constructed
[INFO] [stdout]  --> src/time_signature.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum TimeSignatureSymbol {
[INFO] [stdout]   |          ------------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 8 |     Custom(String)
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `TimeSignatureSymbol` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `clef`, `time_signature`, `key`, `notes`, and `directions` are never read
[INFO] [stdout]    --> src/measure.rs:354:5
[INFO] [stdout]     |
[INFO] [stdout] 353 | pub struct Measure {
[INFO] [stdout]     |            ------- fields in this struct
[INFO] [stdout] 354 |     clef: Clef,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 355 |     time_signature: TimeSignature,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 356 |     key: Key,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 357 |     notes: TimedMeasureItem,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 358 |     directions: Vec<Direction>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Measure` 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 `symbol` is never read
[INFO] [stdout]   --> src/time_signature.rs:19:16
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct TimeSignature {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub(crate) symbol: Option<TimeSignatureSymbol>
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TimeSignature` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling note-pen v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/measure.rs:363:9
[INFO] [stdout]     |
[INFO] [stdout] 363 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `clef`, `time_signature`, `key`, `notes`, and `directions` are never read
[INFO] [stdout]    --> src/measure.rs:354:5
[INFO] [stdout]     |
[INFO] [stdout] 353 | pub struct Measure {
[INFO] [stdout]     |            ------- fields in this struct
[INFO] [stdout] 354 |     clef: Clef,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 355 |     time_signature: TimeSignature,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 356 |     key: Key,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 357 |     notes: TimedMeasureItem,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 358 |     directions: Vec<Direction>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Measure` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Custom` is never constructed
[INFO] [stdout]  --> src/time_signature.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum TimeSignatureSymbol {
[INFO] [stdout]   |          ------------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 8 |     Custom(String)
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `TimeSignatureSymbol` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `symbol` is never read
[INFO] [stdout]   --> src/time_signature.rs:19:16
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct TimeSignature {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub(crate) symbol: Option<TimeSignatureSymbol>
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TimeSignature` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "4917ca80bee23cf5a3775c7cb15f5b0f62834464c8d33a094f7d3f49f7b8724d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4917ca80bee23cf5a3775c7cb15f5b0f62834464c8d33a094f7d3f49f7b8724d", kill_on_drop: false }`
[INFO] [stdout] 4917ca80bee23cf5a3775c7cb15f5b0f62834464c8d33a094f7d3f49f7b8724d