[INFO] cloning repository https://github.com/negamartin/serial-keyboard
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/negamartin/serial-keyboard" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnegamartin%2Fserial-keyboard", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnegamartin%2Fserial-keyboard'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b1a110b0189e40c9f0d852469628d5ebc17351e2
[INFO] testing negamartin/serial-keyboard against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnegamartin%2Fserial-keyboard" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/negamartin/serial-keyboard on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/negamartin/serial-keyboard
[INFO] finished tweaking git repo https://github.com/negamartin/serial-keyboard
[INFO] tweaked toml for git repo https://github.com/negamartin/serial-keyboard written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/negamartin/serial-keyboard already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0a76460c802669a7161b75c0e7f4714a25bba3ee5439f03397f90b9ea887866
[INFO] running `Command { std: "docker" "start" "-a" "f0a76460c802669a7161b75c0e7f4714a25bba3ee5439f03397f90b9ea887866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0a76460c802669a7161b75c0e7f4714a25bba3ee5439f03397f90b9ea887866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0a76460c802669a7161b75c0e7f4714a25bba3ee5439f03397f90b9ea887866", kill_on_drop: false }`
[INFO] [stdout] f0a76460c802669a7161b75c0e7f4714a25bba3ee5439f03397f90b9ea887866
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b7eb49dd23a5e72556b40265743290438aaf1da1c8ba4e411895aa4bb542c4e
[INFO] running `Command { std: "docker" "start" "-a" "5b7eb49dd23a5e72556b40265743290438aaf1da1c8ba4e411895aa4bb542c4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling pkg-config v0.3.13
[INFO] [stderr]    Compiling serde v1.0.71
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]    Compiling byteorder v1.2.4
[INFO] [stderr]    Compiling itoa v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.9
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling subprocess v0.1.13
[INFO] [stderr]    Compiling quote v0.6.5
[INFO] [stderr]    Compiling bytes v0.4.9
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling enigo v0.0.12
[INFO] [stderr]    Compiling syn v0.14.7
[INFO] [stderr]    Compiling libudev v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.71
[INFO] [stderr]    Compiling serialport v3.0.0
[INFO] [stderr]    Compiling serde_json v1.0.24
[INFO] [stderr]    Compiling serial-keyboard v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/connection.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |     serial: Box<SerialPort>,
[INFO] [stdout]    |                 ^^^^^^^^^^ help: use `dyn`: `dyn SerialPort`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:27:55
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub type Result<T> = ::std::result::Result<T, Box<Error>>;
[INFO] [stdout]    |                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:31:20
[INFO] [stdout]    |
[INFO] [stdout] 31 |         cause: Box<Error>,
[INFO] [stdout]    |                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:40:36
[INFO] [stdout]    |
[INFO] [stdout] 40 |         fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:48:59
[INFO] [stdout]    |
[INFO] [stdout] 48 |     impl<T> ResultBoxExt for ::std::result::Result<T, Box<Error>> {
[INFO] [stdout]    |                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/serial_keyboard-b1cb3786d33b3fed.serial_keyboard.2dd06982-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/serial_keyboard-b1cb3786d33b3fed.serial_keyboard.2dd06982-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/serial_keyboard-b1cb3786d33b3fed.serial_keyboard.2dd06982-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/serial_keyboard-b1cb3786d33b3fed.serial_keyboard.2dd06982-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/serial_keyboard-b1cb3786d33b3fed.serial_keyboard.2dd06982-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/serial_keyboard-b1cb3786d33b3fed.serial_keyboard.2dd06982-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/serial_keyboard-b1cb3786d33b3fed.serial_keyboard.2dd06982-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/serial_keyboard-b1cb3786d33b3fed.serial_keyboard.2dd06982-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/serial_keyboard-b1cb3786d33b3fed.serial_keyboard.2dd06982-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/serial_keyboard-b1cb3786d33b3fed.4b6vrdeefhhsokzq.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/lib/x86_64-linux-gnu" "-L" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libserial_keyboard-68299463874d064f.rlib" "/opt/rustwide/target/debug/deps/libsubprocess-0679596b58dec9bf.rlib" "/opt/rustwide/target/debug/deps/libserde_json-1abc5e5e982e6e4f.rlib" "/opt/rustwide/target/debug/deps/libitoa-9e41d9bcaf863feb.rlib" "/opt/rustwide/target/debug/deps/libdtoa-74f89fdc5dda9b67.rlib" "/opt/rustwide/target/debug/deps/libserde-276747167c207077.rlib" "/opt/rustwide/target/debug/deps/libenigo-def693cccf0a5ff9.rlib" "/opt/rustwide/target/debug/deps/libserialport-a81cf0d142415461.rlib" "/opt/rustwide/target/debug/deps/libbitflags-55019e6e8c013093.rlib" "/opt/rustwide/target/debug/deps/libnix-355a60d0aaf60723.rlib" "/opt/rustwide/target/debug/deps/libvoid-db8f1174cd903021.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-e809e7f64bc49966.rlib" "/opt/rustwide/target/debug/deps/libbitflags-37db12bec5f16bd6.rlib" "/opt/rustwide/target/debug/deps/libbytes-9754b8b2d695c497.rlib" "/opt/rustwide/target/debug/deps/libiovec-83051e81983fb881.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-7b6cad67e4ef0caf.rlib" "/opt/rustwide/target/debug/deps/liblibudev-bf00aebf392978c9.rlib" "/opt/rustwide/target/debug/deps/liblibudev_sys-ec4bde7a20e86dea.rlib" "/opt/rustwide/target/debug/deps/liblibc-94c920f5a7e04087.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-008055cc7d873802.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-06f01ac2578bda94.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-f9a3c3274a1835e0.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-d4cbb754ee9f4daa.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-95c14e1c1e3ebcc4.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-d489f0ca872880cc.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-75f07df0b18fea39.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-0c35b278736219a2.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-e530649c9a06e3c6.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-6b148909d375a785.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-cd15fa647f4775d1.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-74be3a703f788ba2.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-8f2c5b445c28b2e3.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-8480e85e0be96197.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-ac23a75f6f42004e.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-557ba8776e04d182.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-4beb03d03503c439.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-dd7db1bec6909f24.rlib" "-Wl,-Bdynamic" "-lxdo" "-ldl" "-ludev" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/serial_keyboard-b1cb3786d33b3fed" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lxdo
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serial-keyboard` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "5b7eb49dd23a5e72556b40265743290438aaf1da1c8ba4e411895aa4bb542c4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b7eb49dd23a5e72556b40265743290438aaf1da1c8ba4e411895aa4bb542c4e", kill_on_drop: false }`
[INFO] [stdout] 5b7eb49dd23a5e72556b40265743290438aaf1da1c8ba4e411895aa4bb542c4e