[INFO] fetching crate javaclass-rs 0.1.0...
[INFO] checking javaclass-rs-0.1.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate javaclass-rs 0.1.0 into /workspace/builds/worker-3-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-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate javaclass-rs 0.1.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9abc65f9f211a5fa8c654d39367370551b64df7d4aebd37dfb1a31b8ad3bb9ad
[INFO] running `Command { std: "docker" "start" "-a" "9abc65f9f211a5fa8c654d39367370551b64df7d4aebd37dfb1a31b8ad3bb9ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9abc65f9f211a5fa8c654d39367370551b64df7d4aebd37dfb1a31b8ad3bb9ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9abc65f9f211a5fa8c654d39367370551b64df7d4aebd37dfb1a31b8ad3bb9ad", kill_on_drop: false }`
[INFO] [stdout] 9abc65f9f211a5fa8c654d39367370551b64df7d4aebd37dfb1a31b8ad3bb9ad
[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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50b6bcd5056a6b7cdc900dd0ef2e4e75e9af0f7e79025df83c7b8a6f4220df4c
[INFO] running `Command { std: "docker" "start" "-a" "50b6bcd5056a6b7cdc900dd0ef2e4e75e9af0f7e79025df83c7b8a6f4220df4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking 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 `dev` profile [unoptimized + debuginfo] target(s) in 11.00s
[INFO] running `Command { std: "docker" "inspect" "50b6bcd5056a6b7cdc900dd0ef2e4e75e9af0f7e79025df83c7b8a6f4220df4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50b6bcd5056a6b7cdc900dd0ef2e4e75e9af0f7e79025df83c7b8a6f4220df4c", kill_on_drop: false }`
[INFO] [stdout] 50b6bcd5056a6b7cdc900dd0ef2e4e75e9af0f7e79025df83c7b8a6f4220df4c