[INFO] fetching crate crossterm_screen 0.2.4...
[INFO] extracting crate crossterm_screen 0.2.4 into work/ex/beta-1.37-6/sources/1.36.0/reg/crossterm_screen/0.2.4
[INFO] extracting crate crossterm_screen 0.2.4 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/crossterm_screen/0.2.4
[INFO] validating manifest of crossterm_screen-0.2.4 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 crossterm_screen-0.2.4 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 crossterm_screen-0.2.4
[INFO] finished frobbing crossterm_screen-0.2.4
[INFO] frobbed toml for crossterm_screen-0.2.4 written to work/ex/beta-1.37-6/sources/1.36.0/reg/crossterm_screen/0.2.4/Cargo.toml
[INFO] started frobbing crossterm_screen-0.2.4
[INFO] finished frobbing crossterm_screen-0.2.4
[INFO] frobbed toml for crossterm_screen-0.2.4 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/crossterm_screen/0.2.4/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 crossterm_screen-0.2.4 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/crossterm_screen/0.2.4:/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] 79002adfecf820118837d395ab27cb0b781d7a11540c79d86cccbb5eb2ce1764
[INFO] running `"docker" "start" "-a" "79002adfecf820118837d395ab27cb0b781d7a11540c79d86cccbb5eb2ce1764"`
[INFO] [stderr]    Compiling crossterm_screen v0.2.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `"docker" "inspect" "79002adfecf820118837d395ab27cb0b781d7a11540c79d86cccbb5eb2ce1764"`
[INFO] running `"docker" "rm" "-f" "79002adfecf820118837d395ab27cb0b781d7a11540c79d86cccbb5eb2ce1764"`
[INFO] [stdout] 79002adfecf820118837d395ab27cb0b781d7a11540c79d86cccbb5eb2ce1764
[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/crossterm_screen/0.2.4:/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] 03b987bfaed3154722237b6935d59095377ea8852003567535e0e005f6b4c340
[INFO] running `"docker" "start" "-a" "03b987bfaed3154722237b6935d59095377ea8852003567535e0e005f6b4c340"`
[INFO] [stderr]    Compiling crossterm_screen v0.2.4 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Write`, `stdout`
[INFO] [stderr]  --> examples/alternate_screen.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{stdout, Write};
[INFO] [stderr]   |               ^^^^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `thread`, `time`
[INFO] [stderr]  --> examples/alternate_screen.rs:6:11
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::{thread, time};
[INFO] [stderr]   |           ^^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0601]: `main` function not found in crate `alternate_screen`
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> examples/raw_mode.rs:5:23
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{stdout, Write};
[INFO] [stderr]   |                       ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: consider adding a `main` function to `examples/alternate_screen.rs`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `thread`, `time`
[INFO] [stderr]  --> examples/raw_mode.rs:6:11
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::{thread, time};
[INFO] [stderr]   |           ^^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0601`.
[INFO] [stderr] error[E0601]: `main` function not found in crate `raw_mode`
[INFO] [stderr]   |
[INFO] [stderr]   = note: consider adding a `main` function to `examples/raw_mode.rs`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0601`.
[INFO] [stderr] error: Could not compile `crossterm_screen`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `crossterm_screen`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "03b987bfaed3154722237b6935d59095377ea8852003567535e0e005f6b4c340"`
[INFO] running `"docker" "rm" "-f" "03b987bfaed3154722237b6935d59095377ea8852003567535e0e005f6b4c340"`
[INFO] [stdout] 03b987bfaed3154722237b6935d59095377ea8852003567535e0e005f6b4c340