[INFO] fetching crate mwatch-send 0.2.0...
[INFO] checking mwatch-send-0.2.0 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate mwatch-send 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate mwatch-send 0.2.0 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mwatch-send 0.2.0
[INFO] finished tweaking crates.io crate mwatch-send 0.2.0
[INFO] tweaked toml for crates.io crate mwatch-send 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9905ee94109b3cfdc1ddf344ead85bbfb3f3d7286e350f9d97b640efa40021b4
[INFO] running `"docker" "start" "-a" "9905ee94109b3cfdc1ddf344ead85bbfb3f3d7286e350f9d97b640efa40021b4"`
[INFO] [stderr]     Checking simple-hex v0.1.0
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking blurz v0.4.0
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking mwatch-send v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:77:29
[INFO] [stderr]    |
[INFO] [stderr] 77 | fn main() -> Result<(), Box<Error>> {
[INFO] [stderr]    |                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:104:65
[INFO] [stderr]     |
[INFO] [stderr] 104 | fn spoof_msg(opt: &Opt, handle : &mut Handle) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:118:68
[INFO] [stderr]     |
[INFO] [stderr] 118 | fn send_syscall(opt: &Opt, handle : &mut Handle) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:131:66
[INFO] [stderr]     |
[INFO] [stderr] 131 | fn send_binary(opt: &Opt, handle: &mut Handle) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:169:75
[INFO] [stderr]     |
[INFO] [stderr] 169 | fn send(handle: &mut Handle, data: Vec<u8>, delay: u64) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:177:97
[INFO] [stderr]     |
[INFO] [stderr] 177 | fn find_device<'a>(opt: &Opt, name: &'a str, bt_session: &'a Session) -> Result<Handle<'a>, Box<Error>> {
[INFO] [stderr]     |                                                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.63s
[INFO] running `"docker" "inspect" "9905ee94109b3cfdc1ddf344ead85bbfb3f3d7286e350f9d97b640efa40021b4"`
[INFO] running `"docker" "rm" "-f" "9905ee94109b3cfdc1ddf344ead85bbfb3f3d7286e350f9d97b640efa40021b4"`
[INFO] [stdout] 9905ee94109b3cfdc1ddf344ead85bbfb3f3d7286e350f9d97b640efa40021b4