[INFO] cloning repository https://github.com/dsidor/rust-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dsidor/rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdsidor%2Frust-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdsidor%2Frust-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 49fe8cf62809153ee09ff20552db2c00b6ae007e
[INFO] checking dsidor/rust-playground against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdsidor%2Frust-playground" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dsidor/rust-playground on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dsidor/rust-playground
[INFO] finished tweaking git repo https://github.com/dsidor/rust-playground
[INFO] tweaked toml for git repo https://github.com/dsidor/rust-playground written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/dsidor/rust-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytes v0.2.11
[INFO] [stderr]   Downloaded mio v0.4.4
[INFO] [stderr]   Downloaded nix v0.3.10
[INFO] [stderr]   Downloaded winapi v0.1.23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44c24c4914ce9eefa7856d4bab1d3ca2cfc8ea17bca43c70a4142c1f92a2ec51
[INFO] running `Command { std: "docker" "start" "-a" "44c24c4914ce9eefa7856d4bab1d3ca2cfc8ea17bca43c70a4142c1f92a2ec51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44c24c4914ce9eefa7856d4bab1d3ca2cfc8ea17bca43c70a4142c1f92a2ec51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44c24c4914ce9eefa7856d4bab1d3ca2cfc8ea17bca43c70a4142c1f92a2ec51", kill_on_drop: false }`
[INFO] [stdout] 44c24c4914ce9eefa7856d4bab1d3ca2cfc8ea17bca43c70a4142c1f92a2ec51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1cc5ab2206d7b703d3202b41c613ec7034989d21bfb14e78fe752de9f7067cd9
[INFO] running `Command { std: "docker" "start" "-a" "1cc5ab2206d7b703d3202b41c613ec7034989d21bfb14e78fe752de9f7067cd9", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.30
[INFO] [stderr]     Checking bitflags v0.1.1
[INFO] [stderr]     Checking bytes v0.2.11
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]     Checking nix v0.3.10
[INFO] [stderr]     Checking winapi v0.1.23
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]     Checking mio v0.4.4
[INFO] [stderr]     Checking ble-advs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ControlMessage`
[INFO] [stdout]  --> src/main.rs:8:54
[INFO] [stdout]   |
[INFO] [stdout] 8 | use nix::sys::socket::{CmsgSpace, recvmsg, MsgFlags, ControlMessage};
[INFO] [stdout]   |                                                      ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ControlMessage`
[INFO] [stdout]  --> src/main.rs:8:54
[INFO] [stdout]   |
[INFO] [stdout] 8 | use nix::sys::socket::{CmsgSpace, recvmsg, MsgFlags, ControlMessage};
[INFO] [stdout]   |                                                      ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dump`
[INFO] [stdout]   --> src/main.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn dump<T>(d: &T) {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Out`
[INFO] [stdout]    --> src/main.rs:183:5
[INFO] [stdout]     |
[INFO] [stdout] 183 |     Out
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `rssi`
[INFO] [stdout]    --> src/main.rs:189:5
[INFO] [stdout]     |
[INFO] [stdout] 189 |     pub rssi: i8,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `address`
[INFO] [stdout]    --> src/main.rs:190:5
[INFO] [stdout]     |
[INFO] [stdout] 190 |     pub address: BleAddress,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `data`
[INFO] [stdout]    --> src/main.rs:191:5
[INFO] [stdout]     |
[INFO] [stdout] 191 |     pub data: Vec<u8>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `size`
[INFO] [stdout]    --> src/main.rs:192:5
[INFO] [stdout]     |
[INFO] [stdout] 192 |     pub size: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `direction`
[INFO] [stdout]    --> src/main.rs:193:5
[INFO] [stdout]     |
[INFO] [stdout] 193 |     pub direction: Direction,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dump`
[INFO] [stdout]   --> src/main.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn dump<T>(d: &T) {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Out`
[INFO] [stdout]    --> src/main.rs:183:5
[INFO] [stdout]     |
[INFO] [stdout] 183 |     Out
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `rssi`
[INFO] [stdout]    --> src/main.rs:189:5
[INFO] [stdout]     |
[INFO] [stdout] 189 |     pub rssi: i8,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `address`
[INFO] [stdout]    --> src/main.rs:190:5
[INFO] [stdout]     |
[INFO] [stdout] 190 |     pub address: BleAddress,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `data`
[INFO] [stdout]    --> src/main.rs:191:5
[INFO] [stdout]     |
[INFO] [stdout] 191 |     pub data: Vec<u8>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `size`
[INFO] [stdout]    --> src/main.rs:192:5
[INFO] [stdout]     |
[INFO] [stdout] 192 |     pub size: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `direction`
[INFO] [stdout]    --> src/main.rs:193:5
[INFO] [stdout]     |
[INFO] [stdout] 193 |     pub direction: Direction,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.70s
[INFO] running `Command { std: "docker" "inspect" "1cc5ab2206d7b703d3202b41c613ec7034989d21bfb14e78fe752de9f7067cd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cc5ab2206d7b703d3202b41c613ec7034989d21bfb14e78fe752de9f7067cd9", kill_on_drop: false }`
[INFO] [stdout] 1cc5ab2206d7b703d3202b41c613ec7034989d21bfb14e78fe752de9f7067cd9