[INFO] fetching crate mpv 0.2.3...
[INFO] checking mpv-0.2.3 against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] extracting crate mpv 0.2.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mpv 0.2.3 on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mpv 0.2.3
[INFO] finished tweaking crates.io crate mpv 0.2.3
[INFO] tweaked toml for crates.io crate mpv 0.2.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e16ed70eeee36384c00a2bc994222c8b2eb9c414676ea2654c72023d637d70da
[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" "e16ed70eeee36384c00a2bc994222c8b2eb9c414676ea2654c72023d637d70da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e16ed70eeee36384c00a2bc994222c8b2eb9c414676ea2654c72023d637d70da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e16ed70eeee36384c00a2bc994222c8b2eb9c414676ea2654c72023d637d70da", kill_on_drop: false }`
[INFO] [stdout] e16ed70eeee36384c00a2bc994222c8b2eb9c414676ea2654c72023d637d70da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8eddb332b9f15110cc856e98dac807c3702fcce8e30b49d3353ac9961613feaa
[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" "8eddb332b9f15110cc856e98dac807c3702fcce8e30b49d3353ac9961613feaa", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling sdl2-sys v0.27.3
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking num-iter v0.1.41
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking sdl2 v0.27.3
[INFO] [stderr]     Checking mpv v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/mpv_error.rs:20:37
[INFO] [stdout]    |
[INFO] [stdout] 20 |         write!(f, "{} ({:?})", self.description(), self)
[INFO] [stdout]    |                                     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> examples/sdl2.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         mpv_builder.try_hardware_decoding();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/mpv_error.rs:20:37
[INFO] [stdout]    |
[INFO] [stdout] 20 |         write!(f, "{} ({:?})", self.description(), self)
[INFO] [stdout]    |                                     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` 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 11.31s
[INFO] running `Command { std: "docker" "inspect" "8eddb332b9f15110cc856e98dac807c3702fcce8e30b49d3353ac9961613feaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8eddb332b9f15110cc856e98dac807c3702fcce8e30b49d3353ac9961613feaa", kill_on_drop: false }`
[INFO] [stdout] 8eddb332b9f15110cc856e98dac807c3702fcce8e30b49d3353ac9961613feaa
