[INFO] fetching crate tello 0.3.0...
[INFO] checking tello-0.3.0 against try#b0d0ea232bdae12fa8da8491a91ae1db029990ef for pr-84037
[INFO] extracting crate tello 0.3.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate tello 0.3.0 on toolchain b0d0ea232bdae12fa8da8491a91ae1db029990ef
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tello 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate tello 0.3.0
[INFO] tweaked toml for crates.io crate tello 0.3.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate tello 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_xorshift v0.1.1
[INFO] [stderr]   Downloaded rand_os v0.1.3
[INFO] [stderr]   Downloaded rand_isaac v0.1.1
[INFO] [stderr]   Downloaded num-integer v0.1.41
[INFO] [stderr]   Downloaded rand_hc v0.1.0
[INFO] [stderr]   Downloaded rand_chacha v0.1.1
[INFO] [stderr]   Downloaded rand_jitter v0.1.4
[INFO] [stderr]   Downloaded cloudabi v0.0.3
[INFO] [stderr]   Downloaded num-iter v0.1.39
[INFO] [stderr]   Downloaded rand_pcg v0.1.2
[INFO] [stderr]   Downloaded redox_syscall v0.1.56
[INFO] [stderr]   Downloaded autocfg v0.1.7
[INFO] [stderr]   Downloaded libc v0.2.66
[INFO] [stderr]   Downloaded time v0.1.42
[INFO] [stderr]   Downloaded sdl2 v0.32.2
[INFO] [stderr]   Downloaded rand v0.6.5
[INFO] [stderr]   Downloaded chrono v0.4.10
[INFO] [stderr]   Downloaded byteorder v1.3.2
[INFO] [stderr]   Downloaded num-traits v0.2.10
[INFO] [stderr]   Downloaded sdl2-sys v0.32.6
[INFO] [stderr]   Downloaded winapi v0.3.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 991d70c9069824288ea5886343ad85e8e8dde34ca42dbc72165bf8ab9ac44b4b
[INFO] running `Command { std: "docker" "start" "-a" "991d70c9069824288ea5886343ad85e8e8dde34ca42dbc72165bf8ab9ac44b4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "991d70c9069824288ea5886343ad85e8e8dde34ca42dbc72165bf8ab9ac44b4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "991d70c9069824288ea5886343ad85e8e8dde34ca42dbc72165bf8ab9ac44b4b", kill_on_drop: false }`
[INFO] [stdout] 991d70c9069824288ea5886343ad85e8e8dde34ca42dbc72165bf8ab9ac44b4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 697540632e2334792c6d83b09fdfa2763f7f7c7c2c88afdfb6e1fa42fbae2d36
[INFO] running `Command { std: "docker" "start" "-a" "697540632e2334792c6d83b09fdfa2763f7f7c7c2c88afdfb6e1fa42fbae2d36", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking tello v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `SocketAddr`, `UdpSocket`
[INFO] [stdout]  --> examples/fly/main.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::net::{SocketAddr, UdpSocket};
[INFO] [stdout]   |                ^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 13.80s
[INFO] running `Command { std: "docker" "inspect" "697540632e2334792c6d83b09fdfa2763f7f7c7c2c88afdfb6e1fa42fbae2d36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "697540632e2334792c6d83b09fdfa2763f7f7c7c2c88afdfb6e1fa42fbae2d36", kill_on_drop: false }`
[INFO] [stdout] 697540632e2334792c6d83b09fdfa2763f7f7c7c2c88afdfb6e1fa42fbae2d36