[INFO] crate pwat 0.1.1 is already in cache
[INFO] extracting crate pwat 0.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/pwat/0.1.1
[INFO] extracting crate pwat 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/pwat/0.1.1
[INFO] validating manifest of pwat-0.1.1 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of pwat-0.1.1 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing pwat-0.1.1
[INFO] finished frobbing pwat-0.1.1
[INFO] frobbed toml for pwat-0.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/pwat/0.1.1/Cargo.toml
[INFO] started frobbing pwat-0.1.1
[INFO] finished frobbing pwat-0.1.1
[INFO] frobbed toml for pwat-0.1.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/pwat/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing pwat-0.1.1 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/pwat/0.1.1:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 6e878ddef35e508b984c0ce7909495e95a2764b0479d0e5f0f5efe643648955c
[INFO] running `"docker" "start" "-a" "6e878ddef35e508b984c0ce7909495e95a2764b0479d0e5f0f5efe643648955c"`
[INFO] [stderr]    Compiling libc v0.1.12
[INFO] [stderr]    Compiling termios v0.0.5
[INFO] [stderr]    Compiling rpassword v0.0.4
[INFO] [stderr]    Compiling pwat v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:20:7
[INFO] [stderr]    |
[INFO] [stderr] 20 |       stdout().flush();
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `"docker" "inspect" "6e878ddef35e508b984c0ce7909495e95a2764b0479d0e5f0f5efe643648955c"`
[INFO] running `"docker" "rm" "-f" "6e878ddef35e508b984c0ce7909495e95a2764b0479d0e5f0f5efe643648955c"`
[INFO] [stdout] 6e878ddef35e508b984c0ce7909495e95a2764b0479d0e5f0f5efe643648955c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/pwat/0.1.1:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1bf0b0c7baf27ddbf94c63fdac1e8f6143ab9ecae758950c6d09dbf49f5ee795
[INFO] running `"docker" "start" "-a" "1bf0b0c7baf27ddbf94c63fdac1e8f6143ab9ecae758950c6d09dbf49f5ee795"`
[INFO] [stderr]    Compiling pwat v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:20:7
[INFO] [stderr]    |
[INFO] [stderr] 20 |       stdout().flush();
[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]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `"docker" "inspect" "1bf0b0c7baf27ddbf94c63fdac1e8f6143ab9ecae758950c6d09dbf49f5ee795"`
[INFO] running `"docker" "rm" "-f" "1bf0b0c7baf27ddbf94c63fdac1e8f6143ab9ecae758950c6d09dbf49f5ee795"`
[INFO] [stdout] 1bf0b0c7baf27ddbf94c63fdac1e8f6143ab9ecae758950c6d09dbf49f5ee795
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/pwat/0.1.1:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 12a747254fa6d098bb63845d18ab4746286619015edf80753516cb351a23c542
[INFO] running `"docker" "start" "-a" "12a747254fa6d098bb63845d18ab4746286619015edf80753516cb351a23c542"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pwat-9647a552c6a267e7
[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" "12a747254fa6d098bb63845d18ab4746286619015edf80753516cb351a23c542"`
[INFO] running `"docker" "rm" "-f" "12a747254fa6d098bb63845d18ab4746286619015edf80753516cb351a23c542"`
[INFO] [stdout] 12a747254fa6d098bb63845d18ab4746286619015edf80753516cb351a23c542