[INFO] fetching crate midi20 0.2.0...
[INFO] testing midi20-0.2.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate midi20 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate midi20 0.2.0
[INFO] finished tweaking crates.io crate midi20 0.2.0
[INFO] tweaked toml for crates.io crate midi20 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate midi20 0.2.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 820df7d2380b8995bb574488ce07c2aba2fcc9379368386053d6aff8fe901340
[INFO] running `Command { std: "docker" "start" "-a" "820df7d2380b8995bb574488ce07c2aba2fcc9379368386053d6aff8fe901340", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "820df7d2380b8995bb574488ce07c2aba2fcc9379368386053d6aff8fe901340", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "820df7d2380b8995bb574488ce07c2aba2fcc9379368386053d6aff8fe901340", kill_on_drop: false }`
[INFO] [stdout] 820df7d2380b8995bb574488ce07c2aba2fcc9379368386053d6aff8fe901340
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2177b395f2371e8c69f23c04d54b0e540d583e68dcf8d01fd617dfc59bafa8cd
[INFO] running `Command { std: "docker" "start" "-a" "2177b395f2371e8c69f23c04d54b0e540d583e68dcf8d01fd617dfc59bafa8cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling midi20 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: a dangling pointer will be produced because the temporary `[u32; 3]` will be dropped
[INFO] [stdout]   --> src/message/flex.rs:86:36
[INFO] [stdout]    |
[INFO] [stdout] 86 |             let data = self.data().as_ptr().cast();
[INFO] [stdout]    |                        ----------- ^^^^^^ this pointer will immediately be invalid
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        this `[u32; 3]` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]    |
[INFO] [stdout]    = note: pointers do not have a lifetime; when calling `as_ptr` the `[u32; 3]` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]    = help: you must make sure that the variable you bind the `[u32; 3]` to lives at least as long as the pointer returned by the call to `as_ptr`
[INFO] [stdout]    = help: in particular, if this pointer is returned from the current function, binding the `[u32; 3]` inside the function will not suffice
[INFO] [stdout]    = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html>
[INFO] [stdout]    = note: `#[warn(dangling_pointers_from_temporaries)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "2177b395f2371e8c69f23c04d54b0e540d583e68dcf8d01fd617dfc59bafa8cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2177b395f2371e8c69f23c04d54b0e540d583e68dcf8d01fd617dfc59bafa8cd", kill_on_drop: false }`
[INFO] [stdout] 2177b395f2371e8c69f23c04d54b0e540d583e68dcf8d01fd617dfc59bafa8cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7b8a8799d080384ce57d86a93ad28b61665ac44c2b89277eff52ed5d68e163a
[INFO] running `Command { std: "docker" "start" "-a" "c7b8a8799d080384ce57d86a93ad28b61665ac44c2b89277eff52ed5d68e163a", kill_on_drop: false }`
[INFO] [stdout] warning: a dangling pointer will be produced because the temporary `[u32; 3]` will be dropped
[INFO] [stdout]   --> src/message/flex.rs:86:36
[INFO] [stdout]    |
[INFO] [stdout] 86 |             let data = self.data().as_ptr().cast();
[INFO] [stdout]    |                        ----------- ^^^^^^ this pointer will immediately be invalid
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        this `[u32; 3]` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]    |
[INFO] [stdout]    = note: pointers do not have a lifetime; when calling `as_ptr` the `[u32; 3]` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]    = help: you must make sure that the variable you bind the `[u32; 3]` to lives at least as long as the pointer returned by the call to `as_ptr`
[INFO] [stdout]    = help: in particular, if this pointer is returned from the current function, binding the `[u32; 3]` inside the function will not suffice
[INFO] [stdout]    = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html>
[INFO] [stdout]    = note: `#[warn(dangling_pointers_from_temporaries)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling midi20 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: a dangling pointer will be produced because the temporary `[u32; 3]` will be dropped
[INFO] [stdout]   --> src/message/flex.rs:86:36
[INFO] [stdout]    |
[INFO] [stdout] 86 |             let data = self.data().as_ptr().cast();
[INFO] [stdout]    |                        ----------- ^^^^^^ this pointer will immediately be invalid
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        this `[u32; 3]` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]    |
[INFO] [stdout]    = note: pointers do not have a lifetime; when calling `as_ptr` the `[u32; 3]` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]    = help: you must make sure that the variable you bind the `[u32; 3]` to lives at least as long as the pointer returned by the call to `as_ptr`
[INFO] [stdout]    = help: in particular, if this pointer is returned from the current function, binding the `[u32; 3]` inside the function will not suffice
[INFO] [stdout]    = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html>
[INFO] [stdout]    = note: `#[warn(dangling_pointers_from_temporaries)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "c7b8a8799d080384ce57d86a93ad28b61665ac44c2b89277eff52ed5d68e163a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7b8a8799d080384ce57d86a93ad28b61665ac44c2b89277eff52ed5d68e163a", kill_on_drop: false }`
[INFO] [stdout] c7b8a8799d080384ce57d86a93ad28b61665ac44c2b89277eff52ed5d68e163a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a7f437d4ac88f6082921eea899331f52257add617cf5b95b80143fba162b81d6
[INFO] running `Command { std: "docker" "start" "-a" "a7f437d4ac88f6082921eea899331f52257add617cf5b95b80143fba162b81d6", kill_on_drop: false }`
[INFO] [stderr] warning: a dangling pointer will be produced because the temporary `[u32; 3]` will be dropped
[INFO] [stderr]   --> src/message/flex.rs:86:36
[INFO] [stderr]    |
[INFO] [stderr] 86 |             let data = self.data().as_ptr().cast();
[INFO] [stderr]    |                        ----------- ^^^^^^ this pointer will immediately be invalid
[INFO] [stderr]    |                        |
[INFO] [stderr]    |                        this `[u32; 3]` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stderr]    |
[INFO] [stderr]    = note: pointers do not have a lifetime; when calling `as_ptr` the `[u32; 3]` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stderr]    = help: you must make sure that the variable you bind the `[u32; 3]` to lives at least as long as the pointer returned by the call to `as_ptr`
[INFO] [stderr]    = help: in particular, if this pointer is returned from the current function, binding the `[u32; 3]` inside the function will not suffice
[INFO] [stderr]    = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html>
[INFO] [stderr]    = note: `#[warn(dangling_pointers_from_temporaries)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `midi20` (lib) generated 1 warning
[INFO] [stderr] warning: `midi20` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/midi20-987d7b59d98869aa)
[INFO] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stdout] test message::flex::tests::header::address_from_u4_overflow ... ok
[INFO] [stdout] test message::flex::tests::header::address_from_u8 ... ok
[INFO] [stdout] test message::flex::tests::header::metadata_text_from_u8 ... ok
[INFO] [stdout] test message::flex::tests::chord_name_from_u32_3 ... ok
[INFO] [stdout] test message::flex::tests::header::performance_text_from_u8 ... ok
[INFO] [stdout] test message::flex::tests::header::setup_and_performance_from_u8 ... ok
[INFO] [stdout] test message::flex::tests::header::status_from_u16 ... ok
[INFO] [stdout] test message::flex::tests::header::metadata_text_to_u8 ... ok
[INFO] [stdout] test message::flex::tests::header::setup_and_performance_to_u8 ... ok
[INFO] [stdout] test message::flex::tests::header::status_into_u16 ... ok
[INFO] [stdout] test message::flex::tests::key_signature_from_note ... ok
[INFO] [stdout] test message::flex::tests::header::performance_text_into_u8 ... ok
[INFO] [stdout] test message::flex::tests::key_signature_from_u8 ... ok
[INFO] [stdout] test message::flex::tests::key_signature_into_u8 ... ok
[INFO] [stdout] test message::flex::tests::header::status_from_u4_status_bank_overflow ... ok
[INFO] [stdout] test message::flex::tests::metronome_from_u32_2 ... ok
[INFO] [stdout] test message::flex::tests::tempo_into_u32 ... ok
[INFO] [stdout] test message::flex::tests::metronome_into_u32_array ... ok
[INFO] [stdout] test message::flex::tests::time_signature_from_u32 ... ok
[INFO] [stdout] test message::flex::tests::tempo_bpm ... ok
[INFO] [stdout] test message::flex::tests::tempo_from_u32 ... ok
[INFO] [stdout] test message::flex::tests::time_signature_into_u32 ... ok
[INFO] [stdout] test message::flex::tests::header::metadata_text_from_overflow - should panic ... ok
[INFO] [stdout] test message::flex::tests::header::performance_text_from_overflow - should panic ... ok
[INFO] [stdout] test message::flex::tests::header::setup_and_performance_from_u8_overflow - should panic ... ok
[INFO] [stderr]    Doc-tests midi20
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 25 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a7f437d4ac88f6082921eea899331f52257add617cf5b95b80143fba162b81d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7f437d4ac88f6082921eea899331f52257add617cf5b95b80143fba162b81d6", kill_on_drop: false }`
[INFO] [stdout] a7f437d4ac88f6082921eea899331f52257add617cf5b95b80143fba162b81d6
