[INFO] fetching crate jabi 0.1.1...
[INFO] checking jabi-0.1.1 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate jabi 0.1.1 into /workspace/builds/worker-2-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-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate jabi 0.1.1 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 40 packages to latest compatible versions
[INFO] [stderr]       Adding deku v0.16.0 (available: v0.19.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ioctl-rs v0.1.6
[INFO] [stderr]   Downloaded serial-windows v0.4.0
[INFO] [stderr]   Downloaded deku v0.16.0
[INFO] [stderr]   Downloaded deku_derive v0.16.0
[INFO] [stderr]   Downloaded serial v0.4.0
[INFO] [stderr]   Downloaded termios v0.2.2
[INFO] [stderr]   Downloaded serial-unix 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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28c6199a10f2f17d3ed1bba4541a8dca01333673bb7536adb510f0c2d40197f0
[INFO] running `Command { std: "docker" "start" "-a" "28c6199a10f2f17d3ed1bba4541a8dca01333673bb7536adb510f0c2d40197f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28c6199a10f2f17d3ed1bba4541a8dca01333673bb7536adb510f0c2d40197f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28c6199a10f2f17d3ed1bba4541a8dca01333673bb7536adb510f0c2d40197f0", kill_on_drop: false }`
[INFO] [stdout] 28c6199a10f2f17d3ed1bba4541a8dca01333673bb7536adb510f0c2d40197f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f74733fa1c62e44064544499496ed304e7ba14e3fca3d84d074925a5ebd2a1c
[INFO] running `Command { std: "docker" "start" "-a" "8f74733fa1c62e44064544499496ed304e7ba14e3fca3d84d074925a5ebd2a1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libusb1-sys v0.7.0
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling rusb v0.9.4
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]     Checking serial v0.4.0
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]    Compiling darling v0.14.4
[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)]` 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)]` 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)]` 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)]` 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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.23s
[INFO] running `Command { std: "docker" "inspect" "8f74733fa1c62e44064544499496ed304e7ba14e3fca3d84d074925a5ebd2a1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f74733fa1c62e44064544499496ed304e7ba14e3fca3d84d074925a5ebd2a1c", kill_on_drop: false }`
[INFO] [stdout] 8f74733fa1c62e44064544499496ed304e7ba14e3fca3d84d074925a5ebd2a1c