[INFO] fetching crate jabi 0.1.1...
[INFO] checking jabi-0.1.1 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] extracting crate jabi 0.1.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate jabi 0.1.1
[INFO] finished tweaking crates.io crate jabi 0.1.1
[INFO] tweaked toml for crates.io crate jabi 0.1.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate jabi 0.1.1 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 40 packages to latest compatible versions
[INFO] [stderr]       Adding deku v0.16.0 (available: v0.20.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro-crate v1.3.1
[INFO] [stderr]   Downloaded ioctl-rs v0.1.6
[INFO] [stderr]   Downloaded termios v0.2.2
[INFO] [stderr]   Downloaded serial-unix v0.4.0
[INFO] [stderr]   Downloaded serial v0.4.0
[INFO] [stderr]   Downloaded deku v0.16.0
[INFO] [stderr]   Downloaded darling_macro v0.14.4
[INFO] [stderr]   Downloaded darling v0.14.4
[INFO] [stderr]   Downloaded darling_core v0.14.4
[INFO] [stderr]   Downloaded deku_derive v0.16.0
[INFO] [stderr]   Downloaded serial-windows v0.4.0
[INFO] [stderr]   Downloaded serial-core v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4636c79c544e51e983d498a43178c0abde4b2025784db6243a5aeef05ba5274b
[INFO] running `Command { std: "docker" "start" "-a" "4636c79c544e51e983d498a43178c0abde4b2025784db6243a5aeef05ba5274b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4636c79c544e51e983d498a43178c0abde4b2025784db6243a5aeef05ba5274b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4636c79c544e51e983d498a43178c0abde4b2025784db6243a5aeef05ba5274b", kill_on_drop: false }`
[INFO] [stdout] 4636c79c544e51e983d498a43178c0abde4b2025784db6243a5aeef05ba5274b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 403f082d77aeebbb49e665151b398880a0be23838e1d8bd5cf216a8b11ed7c9b
[INFO] running `Command { std: "docker" "start" "-a" "403f082d77aeebbb49e665151b398880a0be23838e1d8bd5cf216a8b11ed7c9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]    Compiling rusb v0.9.4
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]    Compiling libusb1-sys v0.7.0
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]     Checking serial v0.4.0
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling deku_derive v0.16.0
[INFO] [stderr]     Checking deku v0.16.0
[INFO] [stderr]     Checking jabi v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/device.rs:10:50
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub(crate) fn iface(&self) -> MutexGuard<'_, (dyn Interface + Send + 'static)> {
[INFO] [stdout]    |                                                  ^                              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 10 -     pub(crate) fn iface(&self) -> MutexGuard<'_, (dyn Interface + Send + 'static)> {
[INFO] [stdout] 10 +     pub(crate) fn iface(&self) -> MutexGuard<'_, dyn Interface + Send + 'static > {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/device.rs:10:50
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub(crate) fn iface(&self) -> MutexGuard<'_, (dyn Interface + Send + 'static)> {
[INFO] [stdout]    |                                                  ^                              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 10 -     pub(crate) fn iface(&self) -> MutexGuard<'_, (dyn Interface + Send + 'static)> {
[INFO] [stdout] 10 +     pub(crate) fn iface(&self) -> MutexGuard<'_, dyn Interface + Send + 'static > {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/interfaces/usb.rs:93:31
[INFO] [stdout]    |
[INFO] [stdout] 93 |                     if let Ok(mut dev) = device.open() {
[INFO] [stdout]    |                               ----^^^
[INFO] [stdout]    |                               |
[INFO] [stdout]    |                               help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `payload_len` is never read
[INFO] [stdout]   --> src/interfaces.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct InterfaceResponse {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] 23 |     pub retcode: i16,
[INFO] [stdout] 24 |     pub payload_len: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/interfaces/usb.rs:93:31
[INFO] [stdout]    |
[INFO] [stdout] 93 |                     if let Ok(mut dev) = device.open() {
[INFO] [stdout]    |                               ----^^^
[INFO] [stdout]    |                               |
[INFO] [stdout]    |                               help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `payload_len` is never read
[INFO] [stdout]   --> src/interfaces.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct InterfaceResponse {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] 23 |     pub retcode: i16,
[INFO] [stdout] 24 |     pub payload_len: u16,
[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 9.98s
[INFO] running `Command { std: "docker" "inspect" "403f082d77aeebbb49e665151b398880a0be23838e1d8bd5cf216a8b11ed7c9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "403f082d77aeebbb49e665151b398880a0be23838e1d8bd5cf216a8b11ed7c9b", kill_on_drop: false }`
[INFO] [stdout] 403f082d77aeebbb49e665151b398880a0be23838e1d8bd5cf216a8b11ed7c9b