[INFO] fetching crate midi20 0.2.0...
[INFO] building midi20-0.2.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate midi20 0.2.0 into /workspace/builds/worker-6-tc1/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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate midi20 0.2.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e0b46c072bc5e17c463f6b55a505e555adb21219d03c0c999f61b37a54ab0a6
[INFO] running `Command { std: "docker" "start" "-a" "9e0b46c072bc5e17c463f6b55a505e555adb21219d03c0c999f61b37a54ab0a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e0b46c072bc5e17c463f6b55a505e555adb21219d03c0c999f61b37a54ab0a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e0b46c072bc5e17c463f6b55a505e555adb21219d03c0c999f61b37a54ab0a6", kill_on_drop: false }`
[INFO] [stdout] 9e0b46c072bc5e17c463f6b55a505e555adb21219d03c0c999f61b37a54ab0a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3610f1624ad2683b4daac5b345844011650dfc11c09d498b61a824044c3cbf95
[INFO] running `Command { std: "docker" "start" "-a" "3610f1624ad2683b4daac5b345844011650dfc11c09d498b61a824044c3cbf95", 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 0.50s
[INFO] running `Command { std: "docker" "inspect" "3610f1624ad2683b4daac5b345844011650dfc11c09d498b61a824044c3cbf95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3610f1624ad2683b4daac5b345844011650dfc11c09d498b61a824044c3cbf95", kill_on_drop: false }`
[INFO] [stdout] 3610f1624ad2683b4daac5b345844011650dfc11c09d498b61a824044c3cbf95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0db70b395fbba25b7260115860ac149c8ab64f7a979488fe772ab8c805e58780
[INFO] running `Command { std: "docker" "start" "-a" "0db70b395fbba25b7260115860ac149c8ab64f7a979488fe772ab8c805e58780", 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] [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 0.86s
[INFO] running `Command { std: "docker" "inspect" "0db70b395fbba25b7260115860ac149c8ab64f7a979488fe772ab8c805e58780", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0db70b395fbba25b7260115860ac149c8ab64f7a979488fe772ab8c805e58780", kill_on_drop: false }`
[INFO] [stdout] 0db70b395fbba25b7260115860ac149c8ab64f7a979488fe772ab8c805e58780
