[INFO] crate block-buffer 0.7.3 is already in cache
[INFO] testing block-buffer-0.7.3 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate block-buffer 0.7.3 into work/builds/worker-2/source
[INFO] validating manifest of crates.io crate block-buffer 0.7.3 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate block-buffer 0.7.3
[INFO] finished tweaking crates.io crate block-buffer 0.7.3
[INFO] tweaked toml for crates.io crate block-buffer 0.7.3 written to work/builds/worker-2/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] ab50a42e4c4e1ae70265745be109d4291579263cc8b94dbe732d18fd22365083
[INFO] running `"docker" "start" "-a" "ab50a42e4c4e1ae70265745be109d4291579263cc8b94dbe732d18fd22365083"`
[INFO] [stderr]    Compiling block-buffer v0.7.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `core::slice`
[INFO] [stderr]   --> src/lib.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use core::slice;
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `"docker" "inspect" "ab50a42e4c4e1ae70265745be109d4291579263cc8b94dbe732d18fd22365083"`
[INFO] running `"docker" "rm" "-f" "ab50a42e4c4e1ae70265745be109d4291579263cc8b94dbe732d18fd22365083"`
[INFO] [stdout] ab50a42e4c4e1ae70265745be109d4291579263cc8b94dbe732d18fd22365083
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 307c92c8fbded29edede28b7339e8fb8229fbbaf0a2989a57451dc7229ec39f6
[INFO] running `"docker" "start" "-a" "307c92c8fbded29edede28b7339e8fb8229fbbaf0a2989a57451dc7229ec39f6"`
[INFO] [stderr]    Compiling block-buffer v0.7.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `core::slice`
[INFO] [stderr]   --> src/lib.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use core::slice;
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `"docker" "inspect" "307c92c8fbded29edede28b7339e8fb8229fbbaf0a2989a57451dc7229ec39f6"`
[INFO] running `"docker" "rm" "-f" "307c92c8fbded29edede28b7339e8fb8229fbbaf0a2989a57451dc7229ec39f6"`
[INFO] [stdout] 307c92c8fbded29edede28b7339e8fb8229fbbaf0a2989a57451dc7229ec39f6
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 16989bd134af00b837c646db1965765487508bcf05c514e11602ea79fb03b8da
[INFO] running `"docker" "start" "-a" "16989bd134af00b837c646db1965765487508bcf05c514e11602ea79fb03b8da"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/block_buffer-f64844258ba12df9
[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 block-buffer
[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" "16989bd134af00b837c646db1965765487508bcf05c514e11602ea79fb03b8da"`
[INFO] running `"docker" "rm" "-f" "16989bd134af00b837c646db1965765487508bcf05c514e11602ea79fb03b8da"`
[INFO] [stdout] 16989bd134af00b837c646db1965765487508bcf05c514e11602ea79fb03b8da