[INFO] fetching crate usb-dfu-target 0.1.0...
[INFO] building usb-dfu-target-0.1.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate usb-dfu-target 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate usb-dfu-target 0.1.0
[INFO] finished tweaking crates.io crate usb-dfu-target 0.1.0
[INFO] tweaked toml for crates.io crate usb-dfu-target 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate usb-dfu-target 0.1.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] [stderr]       Adding defmt v0.3.100 (available: v1.0.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a1aba8a5d2da1f1639f2cf72b8251c351b81a2c2e9ec454e121426d5d8869b8
[INFO] running `Command { std: "docker" "start" "-a" "0a1aba8a5d2da1f1639f2cf72b8251c351b81a2c2e9ec454e121426d5d8869b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a1aba8a5d2da1f1639f2cf72b8251c351b81a2c2e9ec454e121426d5d8869b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a1aba8a5d2da1f1639f2cf72b8251c351b81a2c2e9ec454e121426d5d8869b8", kill_on_drop: false }`
[INFO] [stdout] 0a1aba8a5d2da1f1639f2cf72b8251c351b81a2c2e9ec454e121426d5d8869b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e430ccf25d3d944257e365e44e5f3be4259f2d9ecdec9a126dd9a7f9cc1fe613
[INFO] running `Command { std: "docker" "start" "-a" "e430ccf25d3d944257e365e44e5f3be4259f2d9ecdec9a126dd9a7f9cc1fe613", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling usb-dfu-target v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> src/lib.rs:93:17
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 r => {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/lib.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 r => {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]    --> src/lib.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |             req => {
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/lib.rs:156:22
[INFO] [stdout]     |
[INFO] [stdout] 156 |                 let (state, response): (InternalState, Result<&'a [u8], ()>) =
[INFO] [stdout]     |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]    --> src/lib.rs:156:29
[INFO] [stdout]     |
[INFO] [stdout] 156 |                 let (state, response): (InternalState, Result<&'a [u8], ()>) =
[INFO] [stdout]     |                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `download_state`
[INFO] [stdout]    --> src/lib.rs:159:53
[INFO] [stdout]     |
[INFO] [stdout] 159 |                         InternalState::DownloadBusy(download_state) => todo!(),
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_download_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `download_state`
[INFO] [stdout]    --> src/lib.rs:160:49
[INFO] [stdout]     |
[INFO] [stdout] 160 |                         InternalState::Download(download_state) => todo!(),
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_download_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |                         InternalState::Upload { offset } => todo!(),
[INFO] [stdout]     |                                                 ^^^^^^ help: try ignoring the field: `offset: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Upload` is never constructed
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum InternalState {
[INFO] [stdout]    |      ------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 14 |     Upload { offset: usize },
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "e430ccf25d3d944257e365e44e5f3be4259f2d9ecdec9a126dd9a7f9cc1fe613", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e430ccf25d3d944257e365e44e5f3be4259f2d9ecdec9a126dd9a7f9cc1fe613", kill_on_drop: false }`
[INFO] [stdout] e430ccf25d3d944257e365e44e5f3be4259f2d9ecdec9a126dd9a7f9cc1fe613
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80b658e5cc1f55aff131b6baa5eae65be7f6322179a4a15e31f7d7e7a6b1d19f
[INFO] running `Command { std: "docker" "start" "-a" "80b658e5cc1f55aff131b6baa5eae65be7f6322179a4a15e31f7d7e7a6b1d19f", kill_on_drop: false }`
[INFO] [stderr]    Compiling usb-dfu-target v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> src/lib.rs:93:17
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 r => {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/lib.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 r => {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]    --> src/lib.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |             req => {
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/lib.rs:156:22
[INFO] [stdout]     |
[INFO] [stdout] 156 |                 let (state, response): (InternalState, Result<&'a [u8], ()>) =
[INFO] [stdout]     |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]    --> src/lib.rs:156:29
[INFO] [stdout]     |
[INFO] [stdout] 156 |                 let (state, response): (InternalState, Result<&'a [u8], ()>) =
[INFO] [stdout]     |                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `download_state`
[INFO] [stdout]    --> src/lib.rs:159:53
[INFO] [stdout]     |
[INFO] [stdout] 159 |                         InternalState::DownloadBusy(download_state) => todo!(),
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_download_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `download_state`
[INFO] [stdout]    --> src/lib.rs:160:49
[INFO] [stdout]     |
[INFO] [stdout] 160 |                         InternalState::Download(download_state) => todo!(),
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_download_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |                         InternalState::Upload { offset } => todo!(),
[INFO] [stdout]     |                                                 ^^^^^^ help: try ignoring the field: `offset: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Upload` is never constructed
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum InternalState {
[INFO] [stdout]    |      ------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 14 |     Upload { offset: usize },
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]    --> src/lib.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |             req => {
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/lib.rs:156:22
[INFO] [stdout]     |
[INFO] [stdout] 156 |                 let (state, response): (InternalState, Result<&'a [u8], ()>) =
[INFO] [stdout]     |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]    --> src/lib.rs:156:29
[INFO] [stdout]     |
[INFO] [stdout] 156 |                 let (state, response): (InternalState, Result<&'a [u8], ()>) =
[INFO] [stdout]     |                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `download_state`
[INFO] [stdout]    --> src/lib.rs:159:53
[INFO] [stdout]     |
[INFO] [stdout] 159 |                         InternalState::DownloadBusy(download_state) => todo!(),
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_download_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `download_state`
[INFO] [stdout]    --> src/lib.rs:160:49
[INFO] [stdout]     |
[INFO] [stdout] 160 |                         InternalState::Download(download_state) => todo!(),
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_download_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |                         InternalState::Upload { offset } => todo!(),
[INFO] [stdout]     |                                                 ^^^^^^ help: try ignoring the field: `offset: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> src/lib.rs:93:17
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 r => {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/lib.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 r => {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Upload` is never constructed
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum InternalState {
[INFO] [stdout]    |      ------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 14 |     Upload { offset: usize },
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "80b658e5cc1f55aff131b6baa5eae65be7f6322179a4a15e31f7d7e7a6b1d19f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80b658e5cc1f55aff131b6baa5eae65be7f6322179a4a15e31f7d7e7a6b1d19f", kill_on_drop: false }`
[INFO] [stdout] 80b658e5cc1f55aff131b6baa5eae65be7f6322179a4a15e31f7d7e7a6b1d19f