[INFO] crate byte_buffer 0.1.2 is already in cache
[INFO] testing byte_buffer-0.1.2 against 1.38.0 for beta-1.39-1
[INFO] extracting crate byte_buffer 0.1.2 into work/builds/worker-6/source
[INFO] validating manifest of crates.io crate byte_buffer 0.1.2 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 byte_buffer 0.1.2
[INFO] finished tweaking crates.io crate byte_buffer 0.1.2
[INFO] tweaked toml for crates.io crate byte_buffer 0.1.2 written to work/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate byte_buffer 0.1.2 already has a lockfile, it will not be regenerated
[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-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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] cf2f81645ae0690f67c619b539ce81ff8c96bb1c94969d4ae921686fc6d8a80e
[INFO] running `"docker" "start" "-a" "cf2f81645ae0690f67c619b539ce81ff8c96bb1c94969d4ae921686fc6d8a80e"`
[INFO] [stderr]    Compiling byte_buffer v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "cf2f81645ae0690f67c619b539ce81ff8c96bb1c94969d4ae921686fc6d8a80e"`
[INFO] running `"docker" "rm" "-f" "cf2f81645ae0690f67c619b539ce81ff8c96bb1c94969d4ae921686fc6d8a80e"`
[INFO] [stdout] cf2f81645ae0690f67c619b539ce81ff8c96bb1c94969d4ae921686fc6d8a80e
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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] a320add8aa5e4914511c8852faac9a25ccfc53c53e354b21624bc5d127280b41
[INFO] running `"docker" "start" "-a" "a320add8aa5e4914511c8852faac9a25ccfc53c53e354b21624bc5d127280b41"`
[INFO] [stderr]    Compiling byte_buffer v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "a320add8aa5e4914511c8852faac9a25ccfc53c53e354b21624bc5d127280b41"`
[INFO] running `"docker" "rm" "-f" "a320add8aa5e4914511c8852faac9a25ccfc53c53e354b21624bc5d127280b41"`
[INFO] [stdout] a320add8aa5e4914511c8852faac9a25ccfc53c53e354b21624bc5d127280b41
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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] c0c5ec53ec57538a070700a3ac1f16dc89f5dbedea6f29e4b24ced8df3c42ac8
[INFO] running `"docker" "start" "-a" "c0c5ec53ec57538a070700a3ac1f16dc89f5dbedea6f29e4b24ced8df3c42ac8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/byte_buffer-fc8b587a9295a476
[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 byte_buffer
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 15) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs -  (line 15) stdout ----
[INFO] [stdout] error[E0599]: no method named `as_readable` found for type `byte_buffer::manager::BufferSlice` in the current scope
[INFO] [stdout]   --> src/lib.rs:31:21
[INFO] [stdout]    |
[INFO] [stdout] 17 |   assert_eq!(buffer.as_readable().unwrap(), [0b101, 0b101, 0b101]);
[INFO] [stdout]    |                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs -  (line 15)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "c0c5ec53ec57538a070700a3ac1f16dc89f5dbedea6f29e4b24ced8df3c42ac8"`
[INFO] running `"docker" "rm" "-f" "c0c5ec53ec57538a070700a3ac1f16dc89f5dbedea6f29e4b24ced8df3c42ac8"`
[INFO] [stdout] c0c5ec53ec57538a070700a3ac1f16dc89f5dbedea6f29e4b24ced8df3c42ac8