[INFO] crate bittwiddler 0.0.1 is already in cache
[INFO] testing bittwiddler-0.0.1 against 1.38.0 for beta-1.39-1
[INFO] extracting crate bittwiddler 0.0.1 into work/builds/worker-3/source
[INFO] validating manifest of crates.io crate bittwiddler 0.0.1 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate bittwiddler 0.0.1
[INFO] finished tweaking crates.io crate bittwiddler 0.0.1
[INFO] tweaked toml for crates.io crate bittwiddler 0.0.1 written to work/builds/worker-3/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 7d754e030b65631a7abaccc6cf1d3058a363821e95de3fc2c19b1838e6faebf8
[INFO] running `"docker" "start" "-a" "7d754e030b65631a7abaccc6cf1d3058a363821e95de3fc2c19b1838e6faebf8"`
[INFO] [stderr]    Compiling bittwiddler v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::slice_unchecked': use `get_unchecked(begin..end)` instead
[INFO] [stderr]    --> src/lib.rs:294:36
[INFO] [stderr]     |
[INFO] [stderr] 294 |             unsafe { Some(self.str.slice_unchecked(start_of_ret_idx, end_of_ret_idx)) }
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.50s
[INFO] running `"docker" "inspect" "7d754e030b65631a7abaccc6cf1d3058a363821e95de3fc2c19b1838e6faebf8"`
[INFO] running `"docker" "rm" "-f" "7d754e030b65631a7abaccc6cf1d3058a363821e95de3fc2c19b1838e6faebf8"`
[INFO] [stdout] 7d754e030b65631a7abaccc6cf1d3058a363821e95de3fc2c19b1838e6faebf8
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] c88376c68ad00c334c885eaa559fd3d8f198b220e2e249a35339b2c560f6216e
[INFO] running `"docker" "start" "-a" "c88376c68ad00c334c885eaa559fd3d8f198b220e2e249a35339b2c560f6216e"`
[INFO] [stderr]    Compiling bittwiddler v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::slice_unchecked': use `get_unchecked(begin..end)` instead
[INFO] [stderr]    --> src/lib.rs:294:36
[INFO] [stderr]     |
[INFO] [stderr] 294 |             unsafe { Some(self.str.slice_unchecked(start_of_ret_idx, end_of_ret_idx)) }
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "c88376c68ad00c334c885eaa559fd3d8f198b220e2e249a35339b2c560f6216e"`
[INFO] running `"docker" "rm" "-f" "c88376c68ad00c334c885eaa559fd3d8f198b220e2e249a35339b2c560f6216e"`
[INFO] [stdout] c88376c68ad00c334c885eaa559fd3d8f198b220e2e249a35339b2c560f6216e
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 286b5be51c9991e54157c28fe3097535fe4e670804764ee8140d3d53559eeea2
[INFO] running `"docker" "start" "-a" "286b5be51c9991e54157c28fe3097535fe4e670804764ee8140d3d53559eeea2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bittwiddler-f4989480734db8f5
[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] [stderr]    Doc-tests bittwiddler
[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" "286b5be51c9991e54157c28fe3097535fe4e670804764ee8140d3d53559eeea2"`
[INFO] running `"docker" "rm" "-f" "286b5be51c9991e54157c28fe3097535fe4e670804764ee8140d3d53559eeea2"`
[INFO] [stdout] 286b5be51c9991e54157c28fe3097535fe4e670804764ee8140d3d53559eeea2