[INFO] fetching crate javaclass-rs 0.1.0... [INFO] testing javaclass-rs-0.1.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate javaclass-rs 0.1.0 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate javaclass-rs 0.1.0 [INFO] finished tweaking crates.io crate javaclass-rs 0.1.0 [INFO] tweaked toml for crates.io crate javaclass-rs 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate javaclass-rs 0.1.0 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 7 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 31aeea5d984e1a88c29c37170addad0ee7ac41947aab212c0f9df85c91a0ea3d [INFO] running `Command { std: "docker" "start" "-a" "31aeea5d984e1a88c29c37170addad0ee7ac41947aab212c0f9df85c91a0ea3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "31aeea5d984e1a88c29c37170addad0ee7ac41947aab212c0f9df85c91a0ea3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31aeea5d984e1a88c29c37170addad0ee7ac41947aab212c0f9df85c91a0ea3d", kill_on_drop: false }` [INFO] [stdout] 31aeea5d984e1a88c29c37170addad0ee7ac41947aab212c0f9df85c91a0ea3d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 969f53570a19ac8554b6ae98095481ab3c213f2c8fa6753f59835b36c36f766c [INFO] running `Command { std: "docker" "start" "-a" "969f53570a19ac8554b6ae98095481ab3c213f2c8fa6753f59835b36c36f766c", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling javaclass-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/lib.rs:137:27 [INFO] [stdout] | [INFO] [stdout] 137 | let r: u16 = unsafe { std::mem::transmute(buf) }; [INFO] [stdout] | -------------------^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `u16::from_ne_bytes` [INFO] [stdout] | [INFO] [stdout] = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order [INFO] [stdout] = note: `#[warn(unnecessary_transmutes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/lib.rs:147:27 [INFO] [stdout] | [INFO] [stdout] 147 | let r: u32 = unsafe { std::mem::transmute(buf) }; [INFO] [stdout] | -------------------^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `u32::from_ne_bytes` [INFO] [stdout] | [INFO] [stdout] = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/lib.rs:253:32 [INFO] [stdout] | [INFO] [stdout] 253 | data: unsafe { std::mem::transmute(read_u32(data)?) }, [INFO] [stdout] | -------------------^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `u32::cast_signed` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/lib.rs:256:32 [INFO] [stdout] | [INFO] [stdout] 256 | data: unsafe { std::mem::transmute(read_u32(data)?) }, [INFO] [stdout] | -------------------^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `f32::from_bits` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.03s [INFO] running `Command { std: "docker" "inspect" "969f53570a19ac8554b6ae98095481ab3c213f2c8fa6753f59835b36c36f766c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "969f53570a19ac8554b6ae98095481ab3c213f2c8fa6753f59835b36c36f766c", kill_on_drop: false }` [INFO] [stdout] 969f53570a19ac8554b6ae98095481ab3c213f2c8fa6753f59835b36c36f766c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 15b2d8942b89b4f6d0a24eb53644a5cd895b3d38b090ae9a867be89f45da2593 [INFO] running `Command { std: "docker" "start" "-a" "15b2d8942b89b4f6d0a24eb53644a5cd895b3d38b090ae9a867be89f45da2593", kill_on_drop: false }` [INFO] [stderr] Compiling javaclass-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/lib.rs:137:27 [INFO] [stdout] | [INFO] [stdout] 137 | let r: u16 = unsafe { std::mem::transmute(buf) }; [INFO] [stdout] | -------------------^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `u16::from_ne_bytes` [INFO] [stdout] | [INFO] [stdout] = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order [INFO] [stdout] = note: `#[warn(unnecessary_transmutes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/lib.rs:147:27 [INFO] [stdout] | [INFO] [stdout] 147 | let r: u32 = unsafe { std::mem::transmute(buf) }; [INFO] [stdout] | -------------------^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `u32::from_ne_bytes` [INFO] [stdout] | [INFO] [stdout] = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/lib.rs:253:32 [INFO] [stdout] | [INFO] [stdout] 253 | data: unsafe { std::mem::transmute(read_u32(data)?) }, [INFO] [stdout] | -------------------^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `u32::cast_signed` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/lib.rs:256:32 [INFO] [stdout] | [INFO] [stdout] 256 | data: unsafe { std::mem::transmute(read_u32(data)?) }, [INFO] [stdout] | -------------------^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `f32::from_bits` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/lib.rs:137:27 [INFO] [stdout] | [INFO] [stdout] 137 | let r: u16 = unsafe { std::mem::transmute(buf) }; [INFO] [stdout] | -------------------^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `u16::from_ne_bytes` [INFO] [stdout] | [INFO] [stdout] = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order [INFO] [stdout] = note: `#[warn(unnecessary_transmutes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/lib.rs:147:27 [INFO] [stdout] | [INFO] [stdout] 147 | let r: u32 = unsafe { std::mem::transmute(buf) }; [INFO] [stdout] | -------------------^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `u32::from_ne_bytes` [INFO] [stdout] | [INFO] [stdout] = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/lib.rs:253:32 [INFO] [stdout] | [INFO] [stdout] 253 | data: unsafe { std::mem::transmute(read_u32(data)?) }, [INFO] [stdout] | -------------------^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `u32::cast_signed` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/lib.rs:256:32 [INFO] [stdout] | [INFO] [stdout] 256 | data: unsafe { std::mem::transmute(read_u32(data)?) }, [INFO] [stdout] | -------------------^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `f32::from_bits` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.20s [INFO] running `Command { std: "docker" "inspect" "15b2d8942b89b4f6d0a24eb53644a5cd895b3d38b090ae9a867be89f45da2593", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "15b2d8942b89b4f6d0a24eb53644a5cd895b3d38b090ae9a867be89f45da2593", kill_on_drop: false }` [INFO] [stdout] 15b2d8942b89b4f6d0a24eb53644a5cd895b3d38b090ae9a867be89f45da2593 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a62e15f8b2565950f671d60b628af24e5fe1f84a830bbc9f512ec092e288e0af [INFO] running `Command { std: "docker" "start" "-a" "a62e15f8b2565950f671d60b628af24e5fe1f84a830bbc9f512ec092e288e0af", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary transmute [INFO] [stdout] [INFO] [stderr] --> src/lib.rs:137:27 [INFO] [stdout] running 0 tests [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] 137 | let r: u16 = unsafe { std::mem::transmute(buf) }; [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] | -------------------^^^^^ [INFO] [stdout] [INFO] [stderr] | | [INFO] [stderr] | help: replace this with: `u16::from_ne_bytes` [INFO] [stderr] | [INFO] [stderr] = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order [INFO] [stderr] = note: `#[warn(unnecessary_transmutes)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary transmute [INFO] [stderr] --> src/lib.rs:147:27 [INFO] [stderr] | [INFO] [stderr] 147 | let r: u32 = unsafe { std::mem::transmute(buf) }; [INFO] [stderr] | -------------------^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: replace this with: `u32::from_ne_bytes` [INFO] [stderr] | [INFO] [stderr] = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order [INFO] [stderr] [INFO] [stderr] warning: unnecessary transmute [INFO] [stderr] --> src/lib.rs:253:32 [INFO] [stderr] | [INFO] [stderr] 253 | data: unsafe { std::mem::transmute(read_u32(data)?) }, [INFO] [stderr] | -------------------^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: replace this with: `u32::cast_signed` [INFO] [stderr] [INFO] [stderr] warning: unnecessary transmute [INFO] [stderr] --> src/lib.rs:256:32 [INFO] [stderr] | [INFO] [stderr] 256 | data: unsafe { std::mem::transmute(read_u32(data)?) }, [INFO] [stderr] | -------------------^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: replace this with: `f32::from_bits` [INFO] [stderr] [INFO] [stderr] warning: `javaclass-rs` (lib) generated 4 warnings (run `cargo fix --lib -p javaclass-rs` to apply 4 suggestions) [INFO] [stderr] warning: `javaclass-rs` (lib test) generated 4 warnings (4 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/javaclass-b3e5ee747810afa3) [INFO] [stderr] Doc-tests javaclass [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" "a62e15f8b2565950f671d60b628af24e5fe1f84a830bbc9f512ec092e288e0af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a62e15f8b2565950f671d60b628af24e5fe1f84a830bbc9f512ec092e288e0af", kill_on_drop: false }` [INFO] [stdout] a62e15f8b2565950f671d60b628af24e5fe1f84a830bbc9f512ec092e288e0af