[INFO] fetching crate terminal-escapes 0.1.2...
[INFO] extracting crate terminal-escapes 0.1.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/terminal-escapes/0.1.2
[INFO] extracting crate terminal-escapes 0.1.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/terminal-escapes/0.1.2
[INFO] validating manifest of terminal-escapes-0.1.2 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of terminal-escapes-0.1.2 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing terminal-escapes-0.1.2
[INFO] finished frobbing terminal-escapes-0.1.2
[INFO] frobbed toml for terminal-escapes-0.1.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/terminal-escapes/0.1.2/Cargo.toml
[INFO] started frobbing terminal-escapes-0.1.2
[INFO] finished frobbing terminal-escapes-0.1.2
[INFO] frobbed toml for terminal-escapes-0.1.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/terminal-escapes/0.1.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing terminal-escapes-0.1.2 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/terminal-escapes/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 2569a978a053b0a8a6ad81e5da97c49126d86641e01ece772cf36c3617f9406b
[INFO] running `"docker" "start" "-a" "2569a978a053b0a8a6ad81e5da97c49126d86641e01ece772cf36c3617f9406b"`
[INFO] [stderr]    Compiling terminal-escapes v0.1.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `"docker" "inspect" "2569a978a053b0a8a6ad81e5da97c49126d86641e01ece772cf36c3617f9406b"`
[INFO] running `"docker" "rm" "-f" "2569a978a053b0a8a6ad81e5da97c49126d86641e01ece772cf36c3617f9406b"`
[INFO] [stdout] 2569a978a053b0a8a6ad81e5da97c49126d86641e01ece772cf36c3617f9406b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/terminal-escapes/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8b6ad71de6491327f7d5cb8fb9a4451f7acdd5a853b5bdab63a72b83feb378ff
[INFO] running `"docker" "start" "-a" "8b6ad71de6491327f7d5cb8fb9a4451f7acdd5a853b5bdab63a72b83feb378ff"`
[INFO] [stderr]    Compiling terminal-escapes v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::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 `std::result::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 `std::result::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]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `"docker" "inspect" "8b6ad71de6491327f7d5cb8fb9a4451f7acdd5a853b5bdab63a72b83feb378ff"`
[INFO] running `"docker" "rm" "-f" "8b6ad71de6491327f7d5cb8fb9a4451f7acdd5a853b5bdab63a72b83feb378ff"`
[INFO] [stdout] 8b6ad71de6491327f7d5cb8fb9a4451f7acdd5a853b5bdab63a72b83feb378ff
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/terminal-escapes/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 9d3080981436498a5c77119ed25fd85f92a68586434af0b08926e50506dc8be2
[INFO] running `"docker" "start" "-a" "9d3080981436498a5c77119ed25fd85f92a68586434af0b08926e50506dc8be2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/terminal_escapes-7d45219159b3277c
[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
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "9d3080981436498a5c77119ed25fd85f92a68586434af0b08926e50506dc8be2"`
[INFO] running `"docker" "rm" "-f" "9d3080981436498a5c77119ed25fd85f92a68586434af0b08926e50506dc8be2"`
[INFO] [stdout] 9d3080981436498a5c77119ed25fd85f92a68586434af0b08926e50506dc8be2