[INFO] fetching crate parrot_ar_drone 0.1.3...
[INFO] checking parrot_ar_drone-0.1.3 against try#24cd45d7714ba43afd4b8e62fb677b069b21c4a5 for pr-129543
[INFO] extracting crate parrot_ar_drone 0.1.3 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate parrot_ar_drone 0.1.3 on toolchain 24cd45d7714ba43afd4b8e62fb677b069b21c4a5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate parrot_ar_drone 0.1.3
[INFO] finished tweaking crates.io crate parrot_ar_drone 0.1.3
[INFO] tweaked toml for crates.io crate parrot_ar_drone 0.1.3 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 38 packages to latest compatible versions
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.58.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fcf5c49bdc99510d4a0c4d9451ba57b3bdf821bbc261c946b63ab81e6d1561d4
[INFO] running `Command { std: "docker" "start" "-a" "fcf5c49bdc99510d4a0c4d9451ba57b3bdf821bbc261c946b63ab81e6d1561d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcf5c49bdc99510d4a0c4d9451ba57b3bdf821bbc261c946b63ab81e6d1561d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcf5c49bdc99510d4a0c4d9451ba57b3bdf821bbc261c946b63ab81e6d1561d4", kill_on_drop: false }`
[INFO] [stdout] fcf5c49bdc99510d4a0c4d9451ba57b3bdf821bbc261c946b63ab81e6d1561d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4be1146e3a633f9238674b4f9f6a5ed8f1e258409ce581ca7a4f3c617c93fcdf
[INFO] running `Command { std: "docker" "start" "-a" "4be1146e3a633f9238674b4f9f6a5ed8f1e258409ce581ca7a4f3c617c93fcdf", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking timer v0.2.0
[INFO] [stderr]     Checking parrot_ar_drone v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `config_data`, `config_sending`, and `send_config_save_mode` are never read
[INFO] [stdout]   --> src/droneconfig.rs:8:9
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct DroneConfig {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 8  |     pub config_data: Vec<(String, String)>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 9  |     pub config_sending: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub send_config_save_mode: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `config_data`, `config_sending`, and `send_config_save_mode` are never read
[INFO] [stdout]   --> src/droneconfig.rs:8:9
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct DroneConfig {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 8  |     pub config_data: Vec<(String, String)>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 9  |     pub config_sending: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub send_config_save_mode: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.00s
[INFO] running `Command { std: "docker" "inspect" "4be1146e3a633f9238674b4f9f6a5ed8f1e258409ce581ca7a4f3c617c93fcdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4be1146e3a633f9238674b4f9f6a5ed8f1e258409ce581ca7a4f3c617c93fcdf", kill_on_drop: false }`
[INFO] [stdout] 4be1146e3a633f9238674b4f9f6a5ed8f1e258409ce581ca7a4f3c617c93fcdf