[INFO] updating cached 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" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b1a110b0189e40c9f0d852469628d5ebc17351e2
[INFO] checking negamartin/serial-keyboard against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnegamartin%2Fserial-keyboard" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/negamartin/serial-keyboard on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", 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-13/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" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64879273ea9a6d975b63e0f32e305c60363013cfc1bfe3a61a0863594ab5c053
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "64879273ea9a6d975b63e0f32e305c60363013cfc1bfe3a61a0863594ab5c053", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64879273ea9a6d975b63e0f32e305c60363013cfc1bfe3a61a0863594ab5c053", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64879273ea9a6d975b63e0f32e305c60363013cfc1bfe3a61a0863594ab5c053", kill_on_drop: false }`
[INFO] [stdout] 64879273ea9a6d975b63e0f32e305c60363013cfc1bfe3a61a0863594ab5c053
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2963e0eb7f9f19da4f166e26ef4d08272f2859a5bd2a121a932a88dc1a1008f7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2963e0eb7f9f19da4f166e26ef4d08272f2859a5bd2a121a932a88dc1a1008f7", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling pkg-config v0.3.13
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling serde v1.0.71
[INFO] [stderr]     Checking cfg-if v0.1.4
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking itoa v0.4.2
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.9
[INFO] [stderr]    Compiling quote v0.6.5
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling enigo v0.0.12
[INFO] [stderr]    Compiling syn v0.14.7
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking subprocess v0.1.13
[INFO] [stderr]     Checking bytes v0.4.9
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking nix v0.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.71
[INFO] [stderr]     Checking serde_json v1.0.24
[INFO] [stderr]     Checking serialport v3.0.0
[INFO] [stderr]     Checking 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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.81s
[INFO] running `Command { std: "docker" "inspect" "2963e0eb7f9f19da4f166e26ef4d08272f2859a5bd2a121a932a88dc1a1008f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2963e0eb7f9f19da4f166e26ef4d08272f2859a5bd2a121a932a88dc1a1008f7", kill_on_drop: false }`
[INFO] [stdout] 2963e0eb7f9f19da4f166e26ef4d08272f2859a5bd2a121a932a88dc1a1008f7