[INFO] fetching crate adb-rs 0.1.3...
[INFO] checking adb-rs-0.1.3 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate adb-rs 0.1.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate adb-rs 0.1.3 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate adb-rs 0.1.3
[INFO] finished tweaking crates.io crate adb-rs 0.1.3
[INFO] tweaked toml for crates.io crate adb-rs 0.1.3 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e51f46578bd90f55f3285451433c474bb6edacb4a24930878291718fe0299f8
[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" "8e51f46578bd90f55f3285451433c474bb6edacb4a24930878291718fe0299f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e51f46578bd90f55f3285451433c474bb6edacb4a24930878291718fe0299f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e51f46578bd90f55f3285451433c474bb6edacb4a24930878291718fe0299f8", kill_on_drop: false }`
[INFO] [stdout] 8e51f46578bd90f55f3285451433c474bb6edacb4a24930878291718fe0299f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9b7e3c3992f8613c0cc1625e4ff10891d23f960380c5d2b642838e59fa78dd9
[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" "f9b7e3c3992f8613c0cc1625e4ff10891d23f960380c5d2b642838e59fa78dd9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking pretty-hex v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking backtrace v0.3.63
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking adb-rs v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `local_id`
[INFO] [stdout]    --> src/client.rs:272:3
[INFO] [stdout]     |
[INFO] [stdout] 272 |   local_id: u32,
[INFO] [stdout]     |   ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `remote_id`
[INFO] [stdout]    --> src/client.rs:273:3
[INFO] [stdout]     |
[INFO] [stdout] 273 |   remote_id: u32,
[INFO] [stdout]     |   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `system_identity`
[INFO] [stdout]    --> src/client.rs:280:3
[INFO] [stdout]     |
[INFO] [stdout] 280 |   system_identity: String,
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `device_system_identity`
[INFO] [stdout]    --> src/client.rs:281:3
[INFO] [stdout]     |
[INFO] [stdout] 281 |   device_system_identity: String,
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `device_version`
[INFO] [stdout]    --> src/client.rs:282:3
[INFO] [stdout]     |
[INFO] [stdout] 282 |   device_version: u32,
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/client.rs:296:5
[INFO] [stdout]     |
[INFO] [stdout] 296 |     ::std::mem::replace(&mut self.conn_writer_s, conn_writer_s);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `local_id`
[INFO] [stdout]    --> src/client.rs:272:3
[INFO] [stdout]     |
[INFO] [stdout] 272 |   local_id: u32,
[INFO] [stdout]     |   ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `remote_id`
[INFO] [stdout]    --> src/client.rs:273:3
[INFO] [stdout]     |
[INFO] [stdout] 273 |   remote_id: u32,
[INFO] [stdout]     |   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `system_identity`
[INFO] [stdout]    --> src/client.rs:280:3
[INFO] [stdout]     |
[INFO] [stdout] 280 |   system_identity: String,
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `device_system_identity`
[INFO] [stdout]    --> src/client.rs:281:3
[INFO] [stdout]     |
[INFO] [stdout] 281 |   device_system_identity: String,
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `device_version`
[INFO] [stdout]    --> src/client.rs:282:3
[INFO] [stdout]     |
[INFO] [stdout] 282 |   device_version: u32,
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/client.rs:296:5
[INFO] [stdout]     |
[INFO] [stdout] 296 |     ::std::mem::replace(&mut self.conn_writer_s, conn_writer_s);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.86s
[INFO] running `Command { std: "docker" "inspect" "f9b7e3c3992f8613c0cc1625e4ff10891d23f960380c5d2b642838e59fa78dd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9b7e3c3992f8613c0cc1625e4ff10891d23f960380c5d2b642838e59fa78dd9", kill_on_drop: false }`
[INFO] [stdout] f9b7e3c3992f8613c0cc1625e4ff10891d23f960380c5d2b642838e59fa78dd9