[INFO] fetching crate frcds 0.1.0...
[INFO] checking frcds-0.1.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate frcds 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate frcds 0.1.0 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate frcds 0.1.0
[INFO] finished tweaking crates.io crate frcds 0.1.0
[INFO] tweaked toml for crates.io crate frcds 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8813e9047345d957b33c7d65129d1680200cc309287f74cda2bc1cf9baa0edf
[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" "c8813e9047345d957b33c7d65129d1680200cc309287f74cda2bc1cf9baa0edf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8813e9047345d957b33c7d65129d1680200cc309287f74cda2bc1cf9baa0edf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8813e9047345d957b33c7d65129d1680200cc309287f74cda2bc1cf9baa0edf", kill_on_drop: false }`
[INFO] [stdout] c8813e9047345d957b33c7d65129d1680200cc309287f74cda2bc1cf9baa0edf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b9b9a9ede3db9609e8a239d7a9631c92ec634d462a2c511d53e6bc7bc41a070
[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" "5b9b9a9ede3db9609e8a239d7a9631c92ec634d462a2c511d53e6bc7bc41a070", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]     Checking backtrace v0.3.51
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking frcds v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ds_to_rio/udp/mod.rs:14:23
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub tags: Vec<Box<Tag>>,
[INFO] [stdout]    |                       ^^^ help: use `dyn`: `dyn Tag`
[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/ds_to_rio/udp/mod.rs:47:23
[INFO] [stdout]    |
[INFO] [stdout] 47 |         tags: Vec<Box<Tag>>,
[INFO] [stdout]    |                       ^^^ help: use `dyn`: `dyn Tag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/rio_to_ds/udp/mod.rs:16:23
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub tags: Vec<Box<Tag>>,
[INFO] [stdout]    |                       ^^^ help: use `dyn`: `dyn Tag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ds_to_rio/udp/mod.rs:14:23
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub tags: Vec<Box<Tag>>,
[INFO] [stdout]    |                       ^^^ help: use `dyn`: `dyn Tag`
[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/ds_to_rio/udp/mod.rs:47:23
[INFO] [stdout]    |
[INFO] [stdout] 47 |         tags: Vec<Box<Tag>>,
[INFO] [stdout]    |                       ^^^ help: use `dyn`: `dyn Tag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/rio_to_ds/udp/mod.rs:16:23
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub tags: Vec<Box<Tag>>,
[INFO] [stdout]    |                       ^^^ help: use `dyn`: `dyn Tag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/ds_to_rio/tcp/tags.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         vec.write_u16::<NetworkEndian>(buf.len() as u16);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/ds_to_rio/tcp/tags.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         vec.write_u16::<NetworkEndian>(buf.len() as u16);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/simple.rs:17:23
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let tags: Vec<Box<Tag>> = vec!(Box::new(Countdown(35.00001)));//, Box::new(Joystick::new(vec!(-120, 110, 0),vec!(true, false, false, ...
[INFO] [stdout]    |                       ^^^ help: use `dyn`: `dyn Tag`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.50s
[INFO] running `Command { std: "docker" "inspect" "5b9b9a9ede3db9609e8a239d7a9631c92ec634d462a2c511d53e6bc7bc41a070", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b9b9a9ede3db9609e8a239d7a9631c92ec634d462a2c511d53e6bc7bc41a070", kill_on_drop: false }`
[INFO] [stdout] 5b9b9a9ede3db9609e8a239d7a9631c92ec634d462a2c511d53e6bc7bc41a070