[INFO] fetching crate esp8266-wifi-serial 0.1.3...
[INFO] checking esp8266-wifi-serial-0.1.3 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate esp8266-wifi-serial 0.1.3 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate esp8266-wifi-serial 0.1.3
[INFO] finished tweaking crates.io crate esp8266-wifi-serial 0.1.3
[INFO] tweaked toml for crates.io crate esp8266-wifi-serial 0.1.3 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate esp8266-wifi-serial 0.1.3 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 50 packages to latest compatible versions
[INFO] [stderr]       Adding embedded-hal v0.2.7 (available: v1.0.0)
[INFO] [stderr]       Adding heapless v0.7.17 (available: v0.9.1)
[INFO] [stderr]       Adding memchr v2.3.4 (available: v2.7.5)
[INFO] [stderr]       Adding no-std-net v0.5.0 (available: v0.6.0)
[INFO] [stderr]       Adding nom v6.2.2 (available: v8.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded no-std-net v0.5.0
[INFO] [stderr]   Downloaded no-stdout v0.1.0
[INFO] [stderr]   Downloaded simple-clock v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02a50b2c6a698a401a518c46428de1c497d67c11cf6f747197bafc29c7ae4760
[INFO] running `Command { std: "docker" "start" "-a" "02a50b2c6a698a401a518c46428de1c497d67c11cf6f747197bafc29c7ae4760", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02a50b2c6a698a401a518c46428de1c497d67c11cf6f747197bafc29c7ae4760", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02a50b2c6a698a401a518c46428de1c497d67c11cf6f747197bafc29c7ae4760", kill_on_drop: false }`
[INFO] [stdout] 02a50b2c6a698a401a518c46428de1c497d67c11cf6f747197bafc29c7ae4760
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7427b74b28a32eb933c9799eeb59f15b494076cc1235610e5792ffb40f7f0145
[INFO] running `Command { std: "docker" "start" "-a" "7427b74b28a32eb933c9799eeb59f15b494076cc1235610e5792ffb40f7f0145", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]     Checking no-stdout v0.1.0
[INFO] [stderr]     Checking no-std-net v0.5.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking simple-clock v0.1.0
[INFO] [stderr]     Checking bitflags v2.9.3
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling nom v6.2.2
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking libudev v0.3.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.16
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking unescaper v0.1.6
[INFO] [stderr]     Checking serialport v4.7.2
[INFO] [stderr]     Checking esp8266-wifi-serial v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `guard` is never read
[INFO] [stdout]   --> tests/common/mod.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | struct SerialPortWrapper {
[INFO] [stdout]    |        ----------------- field in this struct
[INFO] [stdout] 41 |     guard: Rc<MutexGuard<'static, ()>>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SerialPortWrapper` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> tests/common/mod.rs:59:15
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn borrow(&self) -> Ref<Box<dyn SerialPort>> {
[INFO] [stdout]    |               ^^^^^     ------------------------ the same lifetime is hidden here
[INFO] [stdout]    |               |
[INFO] [stdout]    |               the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn borrow(&self) -> Ref<'_, Box<dyn SerialPort>> {
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> tests/common/mod.rs:63:19
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn borrow_mut(&self) -> RefMut<Box<dyn SerialPort>> {
[INFO] [stdout]    |                   ^^^^^     --------------------------- the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn borrow_mut(&self) -> RefMut<'_, Box<dyn SerialPort>> {
[INFO] [stdout]    |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.59s
[INFO] running `Command { std: "docker" "inspect" "7427b74b28a32eb933c9799eeb59f15b494076cc1235610e5792ffb40f7f0145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7427b74b28a32eb933c9799eeb59f15b494076cc1235610e5792ffb40f7f0145", kill_on_drop: false }`
[INFO] [stdout] 7427b74b28a32eb933c9799eeb59f15b494076cc1235610e5792ffb40f7f0145