[INFO] fetching crate senpy-ffi 0.1.3...
[INFO] testing senpy-ffi-0.1.3 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate senpy-ffi 0.1.3 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate senpy-ffi 0.1.3
[INFO] finished tweaking crates.io crate senpy-ffi 0.1.3
[INFO] tweaked toml for crates.io crate senpy-ffi 0.1.3 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate senpy-ffi 0.1.3 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "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" "+33835004928d3bf65db4d4712e1330766263b0bd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 170 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 875d9fce7b3ffe8e31229cf45cd0b99718fbe4a777d63c92e256cacd9c93e31e
[INFO] running `Command { std: "docker" "start" "-a" "875d9fce7b3ffe8e31229cf45cd0b99718fbe4a777d63c92e256cacd9c93e31e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "875d9fce7b3ffe8e31229cf45cd0b99718fbe4a777d63c92e256cacd9c93e31e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "875d9fce7b3ffe8e31229cf45cd0b99718fbe4a777d63c92e256cacd9c93e31e", kill_on_drop: false }`
[INFO] [stdout] 875d9fce7b3ffe8e31229cf45cd0b99718fbe4a777d63c92e256cacd9c93e31e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60616bf3586c6bb494b8f733e8c53c8622172141591ec7deab5a4f597949dc11
[INFO] running `Command { std: "docker" "start" "-a" "60616bf3586c6bb494b8f733e8c53c8622172141591ec7deab5a4f597949dc11", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling cc v1.2.62
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling openssl v0.10.79
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling bitflags v2.11.1
[INFO] [stderr]    Compiling futures-io v0.3.32
[INFO] [stderr]    Compiling hashbrown v0.17.1
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling konst_macro_rules v0.2.19
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.34
[INFO] [stderr]    Compiling konst v0.2.20
[INFO] [stderr]    Compiling mio v1.2.0
[INFO] [stderr]    Compiling openssl-sys v0.9.115
[INFO] [stderr]    Compiling socket2 v0.6.3
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling tokio v1.52.3
[INFO] [stderr]    Compiling native-tls v0.2.18
[INFO] [stderr]    Compiling senpy v0.1.3
[INFO] [stderr]    Compiling const_format v0.2.36
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling zerofrom-derive v0.1.7
[INFO] [stderr]    Compiling yoke-derive v0.8.2
[INFO] [stderr]    Compiling zerovec-derive v0.11.3
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling zerofrom v0.1.8
[INFO] [stderr]    Compiling yoke v0.8.2
[INFO] [stderr]    Compiling zerovec v0.11.6
[INFO] [stderr]    Compiling zerotrie v0.2.4
[INFO] [stderr]    Compiling tokio-util v0.7.18
[INFO] [stderr]    Compiling tinystr v0.8.3
[INFO] [stderr]    Compiling potential_utf v0.1.5
[INFO] [stderr]    Compiling icu_collections v2.2.0
[INFO] [stderr]    Compiling icu_locale_core v2.2.0
[INFO] [stderr]    Compiling h2 v0.3.27
[INFO] [stderr]    Compiling icu_provider v2.2.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling icu_normalizer v2.2.0
[INFO] [stderr]    Compiling icu_properties v2.2.0
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling idna_adapter v1.2.2
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling hyper v0.14.32
[INFO] [stderr]    Compiling url v2.5.8
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.27
[INFO] [stderr]    Compiling senpy-ffi v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: this creates a dangling pointer because temporary `Vec<*mut i8>` is dropped at end of statement
[INFO] [stdout]    --> src/lib.rs:122:60
[INFO] [stdout]     |
[INFO] [stdout] 122 |     Err(_) => vec![CString::new("-1").unwrap().into_raw()].as_mut_ptr(),
[INFO] [stdout]     |               -------------------------------------------- ^^^^^^^^^^ pointer created here
[INFO] [stdout]     |               |
[INFO] [stdout]     |               this `Vec<*mut i8>` is dropped at end of statement
[INFO] [stdout]     |
[INFO] [stdout]     = help: bind the `Vec<*mut i8>` to a variable such that it outlives the pointer returned by `as_mut_ptr`
[INFO] [stdout]     = note: a dangling pointer is safe, but dereferencing one is undefined behavior
[INFO] [stdout]     = note: returning a pointer to a local variable will always result in a dangling pointer
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/reference/destructors.html>
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:22:3
[INFO] [stdout]     |
[INFO] [stdout]  22 |   warnings,
[INFO] [stdout]     |   ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(dangling_pointers_from_temporaries)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this creates a dangling pointer because temporary `Vec<*mut i8>` is dropped at end of statement
[INFO] [stdout]    --> src/lib.rs:150:60
[INFO] [stdout]     |
[INFO] [stdout] 150 |     Err(_) => vec![CString::new("-1").unwrap().into_raw()].as_mut_ptr(),
[INFO] [stdout]     |               -------------------------------------------- ^^^^^^^^^^ pointer created here
[INFO] [stdout]     |               |
[INFO] [stdout]     |               this `Vec<*mut i8>` is dropped at end of statement
[INFO] [stdout]     |
[INFO] [stdout]     = help: bind the `Vec<*mut i8>` to a variable such that it outlives the pointer returned by `as_mut_ptr`
[INFO] [stdout]     = note: a dangling pointer is safe, but dereferencing one is undefined behavior
[INFO] [stdout]     = note: returning a pointer to a local variable will always result in a dangling pointer
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/reference/destructors.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `senpy-ffi` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "60616bf3586c6bb494b8f733e8c53c8622172141591ec7deab5a4f597949dc11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60616bf3586c6bb494b8f733e8c53c8622172141591ec7deab5a4f597949dc11", kill_on_drop: false }`
[INFO] [stdout] 60616bf3586c6bb494b8f733e8c53c8622172141591ec7deab5a4f597949dc11
