[INFO] fetching crate dac5578 0.2.1...
[INFO] testing dac5578-0.2.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate dac5578 0.2.1 into /workspace/builds/worker-57/source
[INFO] validating manifest of crates.io crate dac5578 0.2.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dac5578 0.2.1
[INFO] finished tweaking crates.io crate dac5578 0.2.1
[INFO] tweaked toml for crates.io crate dac5578 0.2.1 written to /workspace/builds/worker-57/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] acd2603d9e09729b23c29514bd9f0e1f902327957508d66058f4e8c783b3b270
[INFO] running `Command { std: "docker" "start" "-a" "acd2603d9e09729b23c29514bd9f0e1f902327957508d66058f4e8c783b3b270", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "acd2603d9e09729b23c29514bd9f0e1f902327957508d66058f4e8c783b3b270", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acd2603d9e09729b23c29514bd9f0e1f902327957508d66058f4e8c783b3b270", kill_on_drop: false }`
[INFO] [stdout] acd2603d9e09729b23c29514bd9f0e1f902327957508d66058f4e8c783b3b270
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6505f727f7a3d12e66baf6fee2fe770b7486a28aac80ef0cd0b3c36556328552
[INFO] running `Command { std: "docker" "start" "-a" "6505f727f7a3d12e66baf6fee2fe770b7486a28aac80ef0cd0b3c36556328552", kill_on_drop: false }`
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling dac5578 v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "6505f727f7a3d12e66baf6fee2fe770b7486a28aac80ef0cd0b3c36556328552", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6505f727f7a3d12e66baf6fee2fe770b7486a28aac80ef0cd0b3c36556328552", kill_on_drop: false }`
[INFO] [stdout] 6505f727f7a3d12e66baf6fee2fe770b7486a28aac80ef0cd0b3c36556328552
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d91c80b8023d1144a1f5ccc74a4db205c20e9e9ea6ed84651ecc0b246830406a
[INFO] running `Command { std: "docker" "start" "-a" "d91c80b8023d1144a1f5ccc74a4db205c20e9e9ea6ed84651ecc0b246830406a", kill_on_drop: false }`
[INFO] [stderr]    Compiling embedded-hal-mock v0.7.2
[INFO] [stderr]    Compiling dac5578 v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/dac5578-292b974cbd25230b)
[INFO] running `Command { std: "docker" "inspect" "d91c80b8023d1144a1f5ccc74a4db205c20e9e9ea6ed84651ecc0b246830406a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d91c80b8023d1144a1f5ccc74a4db205c20e9e9ea6ed84651ecc0b246830406a", kill_on_drop: false }`
[INFO] [stdout] d91c80b8023d1144a1f5ccc74a4db205c20e9e9ea6ed84651ecc0b246830406a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dbae8bcd7387c3f31b8e34be2f5153249b29605c6dadcf5554da6ec4ab1a1a47
[INFO] running `Command { std: "docker" "start" "-a" "dbae8bcd7387c3f31b8e34be2f5153249b29605c6dadcf5554da6ec4ab1a1a47", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dac5578-292b974cbd25230b)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dac5578
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 18) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 18) stdout ----
[INFO] [stdout] error[E0599]: no method named `write_channel` found for struct `dac5578::DAC5578` in the current scope
[INFO] [stdout]  --> src/lib.rs:23:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | dac.write_channel(Channel::A, 128);
[INFO] [stdout]   |     ^^^^^^^^^^^^^ method not found in `dac5578::DAC5578<Generic<embedded_hal_mock::i2c::Transaction>>`
[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 18)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.70s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "dbae8bcd7387c3f31b8e34be2f5153249b29605c6dadcf5554da6ec4ab1a1a47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbae8bcd7387c3f31b8e34be2f5153249b29605c6dadcf5554da6ec4ab1a1a47", kill_on_drop: false }`
[INFO] [stdout] dbae8bcd7387c3f31b8e34be2f5153249b29605c6dadcf5554da6ec4ab1a1a47