[INFO] fetching crate taro 0.1.0...
[INFO] testing taro-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate taro 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate taro 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate taro 0.1.0
[INFO] finished tweaking crates.io crate taro 0.1.0
[INFO] tweaked toml for crates.io crate taro 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded assert_cmd v2.0.1
[INFO] [stderr]   Downloaded predicates v2.0.2
[INFO] [stderr]   Downloaded difflib v0.4.0
[INFO] [stderr]   Downloaded assert_cli v0.6.3
[INFO] [stderr]   Downloaded environment v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71569b43fbb714ad30307a4e6355c78bcb40b39c36f7e9efc1da5a9b32c82740
[INFO] running `Command { std: "docker" "start" "-a" "71569b43fbb714ad30307a4e6355c78bcb40b39c36f7e9efc1da5a9b32c82740", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71569b43fbb714ad30307a4e6355c78bcb40b39c36f7e9efc1da5a9b32c82740", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71569b43fbb714ad30307a4e6355c78bcb40b39c36f7e9efc1da5a9b32c82740", kill_on_drop: false }`
[INFO] [stdout] 71569b43fbb714ad30307a4e6355c78bcb40b39c36f7e9efc1da5a9b32c82740
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb5080c50d2c37433d9664cf4341142deb1834621456b1705e84b99c3fd4bf5e
[INFO] running `Command { std: "docker" "start" "-a" "eb5080c50d2c37433d9664cf4341142deb1834621456b1705e84b99c3fd4bf5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling taro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.95s
[INFO] running `Command { std: "docker" "inspect" "eb5080c50d2c37433d9664cf4341142deb1834621456b1705e84b99c3fd4bf5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb5080c50d2c37433d9664cf4341142deb1834621456b1705e84b99c3fd4bf5e", kill_on_drop: false }`
[INFO] [stdout] eb5080c50d2c37433d9664cf4341142deb1834621456b1705e84b99c3fd4bf5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38281dd4d447beceb3c26315f9e5dc6e6c4d11d220a2dc23a625aaf8ef4acb37
[INFO] running `Command { std: "docker" "start" "-a" "38281dd4d447beceb3c26315f9e5dc6e6c4d11d220a2dc23a625aaf8ef4acb37", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling environment v0.1.1
[INFO] [stderr]    Compiling predicates-tree v1.0.3
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling predicates v2.0.2
[INFO] [stderr]    Compiling object v0.26.2
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling assert_cmd v2.0.1
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling assert_cli v0.6.3
[INFO] [stderr]    Compiling taro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `result` found for struct `Sha256` in the current scope
[INFO] [stdout]    --> tests/sample_inputs.rs:135:19
[INFO] [stdout]     |
[INFO] [stdout] 135 |         Ok(sha256.result().as_slice().into())
[INFO] [stdout]     |                   ^^^^^^ method not found in `Sha256`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `taro` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "38281dd4d447beceb3c26315f9e5dc6e6c4d11d220a2dc23a625aaf8ef4acb37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38281dd4d447beceb3c26315f9e5dc6e6c4d11d220a2dc23a625aaf8ef4acb37", kill_on_drop: false }`
[INFO] [stdout] 38281dd4d447beceb3c26315f9e5dc6e6c4d11d220a2dc23a625aaf8ef4acb37