[INFO] fetching crate uwb_serial 1.0.0...
[INFO] checking uwb_serial-1.0.0 against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393-1
[INFO] extracting crate uwb_serial 1.0.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate uwb_serial 1.0.0 on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate uwb_serial 1.0.0
[INFO] finished tweaking crates.io crate uwb_serial 1.0.0
[INFO] tweaked toml for crates.io crate uwb_serial 1.0.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate uwb_serial 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap_lex v0.2.4
[INFO] [stderr]   Downloaded quote v1.0.21
[INFO] [stderr]   Downloaded unicode-ident v1.0.3
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.16.5
[INFO] [stderr]   Downloaded CoreFoundation-sys v0.1.4
[INFO] [stderr]   Downloaded parking_lot_core v0.9.3
[INFO] [stderr]   Downloaded IOKit-sys v0.1.5
[INFO] [stderr]   Downloaded unindent v0.1.10
[INFO] [stderr]   Downloaded pyo3-ffi v0.16.5
[INFO] [stderr]   Downloaded mach v0.1.2
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[INFO] [stderr]   Downloaded os_str_bytes v6.2.0
[INFO] [stderr]   Downloaded lock_api v0.4.7
[INFO] [stderr]   Downloaded textwrap v0.15.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.43
[INFO] [stderr]   Downloaded indexmap v1.9.1
[INFO] [stderr]   Downloaded serialport v4.2.0
[INFO] [stderr]   Downloaded syn v1.0.99
[INFO] [stderr]   Downloaded pyo3 v0.16.5
[INFO] [stderr]   Downloaded windows_i686_gnu v0.36.1
[INFO] [stderr]   Downloaded windows-sys v0.36.1
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.36.1
[INFO] [stderr]   Downloaded libc v0.2.127
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.36.1
[INFO] [stderr]   Downloaded windows_i686_msvc v0.36.1
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.36.1
[INFO] [stderr]   Downloaded clap v3.2.16
[INFO] [stderr]   Downloaded nix v0.24.2
[INFO] [stderr]   Downloaded regex v1.6.0
[INFO] [stderr]   Downloaded regex-syntax v0.6.27
[INFO] [stderr]   Downloaded pyo3-build-config v0.16.5
[INFO] [stderr]   Downloaded smallvec v1.9.0
[INFO] [stderr]   Downloaded once_cell v1.13.0
[INFO] [stderr]   Downloaded pkg-config v0.3.25
[INFO] [stderr]   Downloaded termcolor v1.1.3
[INFO] [stderr]   Downloaded libudev-sys v0.1.4
[INFO] [stderr]   Downloaded target-lexicon v0.12.4
[INFO] [stderr]   Downloaded mach v0.3.2
[INFO] [stderr]   Downloaded redox_syscall v0.2.16
[INFO] [stderr]   Downloaded libudev v0.3.0
[INFO] [stderr]   Downloaded indoc v1.0.7
[INFO] [stderr]   Downloaded memchr v2.5.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1255e40e9b87424eec8763b34d0e7fc1bd08c06cf19d1662463d0f7d062b842d
[INFO] running `Command { std: "docker" "start" "-a" "1255e40e9b87424eec8763b34d0e7fc1bd08c06cf19d1662463d0f7d062b842d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1255e40e9b87424eec8763b34d0e7fc1bd08c06cf19d1662463d0f7d062b842d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1255e40e9b87424eec8763b34d0e7fc1bd08c06cf19d1662463d0f7d062b842d", kill_on_drop: false }`
[INFO] [stdout] 1255e40e9b87424eec8763b34d0e7fc1bd08c06cf19d1662463d0f7d062b842d
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3e976704d3f68170acbc0a81b2b56ee2e2b797d0af78e08c17f38906a3656e3
[INFO] running `Command { std: "docker" "start" "-a" "c3e976704d3f68170acbc0a81b2b56ee2e2b797d0af78e08c17f38906a3656e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.127
[INFO] [stderr]    Compiling target-lexicon v0.12.4
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling once_cell v1.13.0
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking os_str_bytes v6.2.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking unindent v0.1.10
[INFO] [stderr]    Compiling pyo3-build-config v0.16.5
[INFO] [stderr]    Compiling indoc v1.0.7
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking nix v0.24.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking libudev v0.3.0
[INFO] [stderr]     Checking clap v3.2.16
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling pyo3-ffi v0.16.5
[INFO] [stderr]    Compiling pyo3 v0.16.5
[INFO] [stderr]     Checking serialport v4.2.0
[INFO] [stderr]    Compiling pyo3-macros-backend v0.16.5
[INFO] [stderr]    Compiling pyo3-macros v0.16.5
[INFO] [stderr]     Checking uwb_serial v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/lib.rs:98:29
[INFO] [stdout]    |
[INFO] [stdout] 98 | ...                   std::mem::drop(&port);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^-----^
[INFO] [stdout]    |                                      |
[INFO] [stdout]    |                                      argument has type `&TTYPort`
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/lib.rs:98:29
[INFO] [stdout]    |
[INFO] [stdout] 98 | ...                   std::mem::drop(&port);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^-----^
[INFO] [stdout]    |                                      |
[INFO] [stdout]    |                                      argument has type `&TTYPort`
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/lib.rs:145:37
[INFO] [stdout]     |
[INFO] [stdout] 145 | ...                   std::mem::drop(&port);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^-----^
[INFO] [stdout]     |                                      |
[INFO] [stdout]     |                                      argument has type `&TTYPort`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/lib.rs:145:37
[INFO] [stdout]     |
[INFO] [stdout] 145 | ...                   std::mem::drop(&port);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^-----^
[INFO] [stdout]     |                                      |
[INFO] [stdout]     |                                      argument has type `&TTYPort`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.17s
[INFO] running `Command { std: "docker" "inspect" "c3e976704d3f68170acbc0a81b2b56ee2e2b797d0af78e08c17f38906a3656e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3e976704d3f68170acbc0a81b2b56ee2e2b797d0af78e08c17f38906a3656e3", kill_on_drop: false }`
[INFO] [stdout] c3e976704d3f68170acbc0a81b2b56ee2e2b797d0af78e08c17f38906a3656e3