[INFO] fetching crate musicxml 1.1.2...
[INFO] checking musicxml-1.1.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate musicxml 1.1.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate musicxml 1.1.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate musicxml 1.1.2
[INFO] tweaked toml for crates.io crate musicxml 1.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate musicxml 1.1.2 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate musicxml 1.1.2 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 971a2f2c294c7d706609c50913a06fd3d0f66a5a70d4a033913eef0596abbdf3
[INFO] running `Command { std: "docker" "start" "-a" "971a2f2c294c7d706609c50913a06fd3d0f66a5a70d4a033913eef0596abbdf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "971a2f2c294c7d706609c50913a06fd3d0f66a5a70d4a033913eef0596abbdf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "971a2f2c294c7d706609c50913a06fd3d0f66a5a70d4a033913eef0596abbdf3", kill_on_drop: false }`
[INFO] [stdout] 971a2f2c294c7d706609c50913a06fd3d0f66a5a70d4a033913eef0596abbdf3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37d8753ab48b8788b8a64cd0c54ab243022471253201e0a9c6c8df115d877357
[INFO] running `Command { std: "docker" "start" "-a" "37d8753ab48b8788b8a64cd0c54ab243022471253201e0a9c6c8df115d877357", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]     Checking musicxml_internal v1.1.2
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]     Checking miniz_oxide v0.8.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]     Checking regex-automata v0.4.8
[INFO] [stderr]    Compiling musicxml_macros v1.1.2
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking musicxml v1.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]  --> src/datatypes/anyuri.rs:9:32
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(Debug, PartialEq, Eq, DatatypeDeserialize, DatatypeSerialize)]
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]   = note: this error originates in the derive macro `DatatypeDeserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]  --> src/datatypes/id.rs:9:32
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(Debug, PartialEq, Eq, DatatypeDeserialize, DatatypeSerialize)]
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `DatatypeDeserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]  --> src/datatypes/idref.rs:9:32
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(Debug, PartialEq, Eq, DatatypeDeserialize, DatatypeSerialize)]
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `DatatypeDeserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]  --> src/datatypes/nmtoken.rs:9:32
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(Debug, PartialEq, Eq, DatatypeDeserialize, DatatypeSerialize)]
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `DatatypeDeserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/datatypes/smufl_glyph_name.rs:12:32
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[derive(Debug, PartialEq, Eq, DatatypeDeserialize, DatatypeSerialize)]
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `DatatypeDeserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]  --> src/datatypes/token.rs:9:32
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(Debug, PartialEq, Eq, DatatypeDeserialize, DatatypeSerialize)]
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `DatatypeDeserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/datatypes/xml_lang.rs:11:32
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Debug, PartialEq, Eq, DatatypeDeserialize, DatatypeSerialize)]
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `DatatypeDeserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]  --> src/datatypes/anyuri.rs:9:32
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(Debug, PartialEq, Eq, DatatypeDeserialize, DatatypeSerialize)]
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]   = note: this error originates in the derive macro `DatatypeDeserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]  --> src/datatypes/id.rs:9:32
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(Debug, PartialEq, Eq, DatatypeDeserialize, DatatypeSerialize)]
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `DatatypeDeserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]  --> src/datatypes/idref.rs:9:32
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(Debug, PartialEq, Eq, DatatypeDeserialize, DatatypeSerialize)]
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `DatatypeDeserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]  --> src/datatypes/nmtoken.rs:9:32
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(Debug, PartialEq, Eq, DatatypeDeserialize, DatatypeSerialize)]
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `DatatypeDeserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/datatypes/smufl_glyph_name.rs:12:32
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[derive(Debug, PartialEq, Eq, DatatypeDeserialize, DatatypeSerialize)]
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `DatatypeDeserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]  --> src/datatypes/token.rs:9:32
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(Debug, PartialEq, Eq, DatatypeDeserialize, DatatypeSerialize)]
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `DatatypeDeserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/datatypes/xml_lang.rs:11:32
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Debug, PartialEq, Eq, DatatypeDeserialize, DatatypeSerialize)]
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `DatatypeDeserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `musicxml` (lib) due to 7 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `musicxml` (lib test) due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "37d8753ab48b8788b8a64cd0c54ab243022471253201e0a9c6c8df115d877357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37d8753ab48b8788b8a64cd0c54ab243022471253201e0a9c6c8df115d877357", kill_on_drop: false }`
[INFO] [stdout] 37d8753ab48b8788b8a64cd0c54ab243022471253201e0a9c6c8df115d877357