[INFO] fetching crate terminal-escapes 0.1.2...
[INFO] testing terminal-escapes-0.1.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate terminal-escapes 0.1.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate terminal-escapes 0.1.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate terminal-escapes 0.1.2
[INFO] finished tweaking crates.io crate terminal-escapes 0.1.2
[INFO] tweaked toml for crates.io crate terminal-escapes 0.1.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e796672f82709ffb17490b44fa8b3c6d7020cdd03c6ddf3100f3dcc35dbd477
[INFO] running `Command { std: "docker" "start" "-a" "0e796672f82709ffb17490b44fa8b3c6d7020cdd03c6ddf3100f3dcc35dbd477", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e796672f82709ffb17490b44fa8b3c6d7020cdd03c6ddf3100f3dcc35dbd477", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e796672f82709ffb17490b44fa8b3c6d7020cdd03c6ddf3100f3dcc35dbd477", kill_on_drop: false }`
[INFO] [stdout] 0e796672f82709ffb17490b44fa8b3c6d7020cdd03c6ddf3100f3dcc35dbd477
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51f5c552519d209db15d84c480f907b5a3a7b36047b0a1dff4788df6dd9fb1ed
[INFO] running `Command { std: "docker" "start" "-a" "51f5c552519d209db15d84c480f907b5a3a7b36047b0a1dff4788df6dd9fb1ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling terminal-escapes v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "51f5c552519d209db15d84c480f907b5a3a7b36047b0a1dff4788df6dd9fb1ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51f5c552519d209db15d84c480f907b5a3a7b36047b0a1dff4788df6dd9fb1ed", kill_on_drop: false }`
[INFO] [stdout] 51f5c552519d209db15d84c480f907b5a3a7b36047b0a1dff4788df6dd9fb1ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a85140911114bd24561a2cc3c06b3f28cd885152bead35e6af78037376289144
[INFO] running `Command { std: "docker" "start" "-a" "a85140911114bd24561a2cc3c06b3f28cd885152bead35e6af78037376289144", kill_on_drop: false }`
[INFO] [stderr]    Compiling terminal-escapes v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/device.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     device.set_attributes(&[Background(Color::Red)]);
[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: unused `Result` that must be used
[INFO] [stdout]   --> examples/device.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     device.set_attributes(&[Default]);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/device.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     device.flush();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "a85140911114bd24561a2cc3c06b3f28cd885152bead35e6af78037376289144", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a85140911114bd24561a2cc3c06b3f28cd885152bead35e6af78037376289144", kill_on_drop: false }`
[INFO] [stdout] a85140911114bd24561a2cc3c06b3f28cd885152bead35e6af78037376289144
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 54550916cff3392dec227aa7b4ae114313dc71f2d3e5b0c7beac37587bcff140
[INFO] running `Command { std: "docker" "start" "-a" "54550916cff3392dec227aa7b4ae114313dc71f2d3e5b0c7beac37587bcff140", kill_on_drop: false }`
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> examples/device.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     device.set_attributes(&[Background(Color::Red)]);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> examples/device.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     device.set_attributes(&[Default]);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> examples/device.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     device.flush();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `terminal-escapes` (example "device") generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/terminal_escapes-d2ead1ceffa8b845)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests terminal-escapes
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "54550916cff3392dec227aa7b4ae114313dc71f2d3e5b0c7beac37587bcff140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54550916cff3392dec227aa7b4ae114313dc71f2d3e5b0c7beac37587bcff140", kill_on_drop: false }`
[INFO] [stdout] 54550916cff3392dec227aa7b4ae114313dc71f2d3e5b0c7beac37587bcff140