[INFO] cloning repository https://github.com/VaranTavers/parrot_ar_drone
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/VaranTavers/parrot_ar_drone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVaranTavers%2Fparrot_ar_drone", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVaranTavers%2Fparrot_ar_drone'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae598d9f0d7181055ba259dad5755953f4065b1b
[INFO] checking VaranTavers/parrot_ar_drone against try#cd420d8bda33494ba3cc45048d5f067484a32b94 for pr-140209-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVaranTavers%2Fparrot_ar_drone" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/VaranTavers/parrot_ar_drone on toolchain cd420d8bda33494ba3cc45048d5f067484a32b94
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/VaranTavers/parrot_ar_drone
[INFO] finished tweaking git repo https://github.com/VaranTavers/parrot_ar_drone
[INFO] tweaked toml for git repo https://github.com/VaranTavers/parrot_ar_drone written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/VaranTavers/parrot_ar_drone already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e47b9000e36709185017a4aa7b14644b5c849aa0175b29cf1db3a07568b8da4d
[INFO] running `Command { std: "docker" "start" "-a" "e47b9000e36709185017a4aa7b14644b5c849aa0175b29cf1db3a07568b8da4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e47b9000e36709185017a4aa7b14644b5c849aa0175b29cf1db3a07568b8da4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e47b9000e36709185017a4aa7b14644b5c849aa0175b29cf1db3a07568b8da4d", kill_on_drop: false }`
[INFO] [stdout] e47b9000e36709185017a4aa7b14644b5c849aa0175b29cf1db3a07568b8da4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7033f169ed0615f6acb79cdc05347a14a984235c173274a54f45fb7bca878853
[INFO] running `Command { std: "docker" "start" "-a" "7033f169ed0615f6acb79cdc05347a14a984235c173274a54f45fb7bca878853", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking chrono v0.4.10
[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: 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.91s
[INFO] running `Command { std: "docker" "inspect" "7033f169ed0615f6acb79cdc05347a14a984235c173274a54f45fb7bca878853", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7033f169ed0615f6acb79cdc05347a14a984235c173274a54f45fb7bca878853", kill_on_drop: false }`
[INFO] [stdout] 7033f169ed0615f6acb79cdc05347a14a984235c173274a54f45fb7bca878853