[INFO] fetching crate mcp3xxx 0.1.0-pre.1...
[INFO] testing mcp3xxx-0.1.0-pre.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate mcp3xxx 0.1.0-pre.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate mcp3xxx 0.1.0-pre.1
[INFO] finished tweaking crates.io crate mcp3xxx 0.1.0-pre.1
[INFO] tweaked toml for crates.io crate mcp3xxx 0.1.0-pre.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mcp3xxx 0.1.0-pre.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mcp3xxx 0.1.0-pre.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lazy_static v1.3.0
[INFO] [stderr]   Downloaded rppal v0.11.3
[INFO] [stderr]   Downloaded libc v0.2.58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 411be2b59dfda2ce3671afe5795584148d9ead4aa13748b547be290c708d8d9d
[INFO] running `Command { std: "docker" "start" "-a" "411be2b59dfda2ce3671afe5795584148d9ead4aa13748b547be290c708d8d9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "411be2b59dfda2ce3671afe5795584148d9ead4aa13748b547be290c708d8d9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "411be2b59dfda2ce3671afe5795584148d9ead4aa13748b547be290c708d8d9d", kill_on_drop: false }`
[INFO] [stdout] 411be2b59dfda2ce3671afe5795584148d9ead4aa13748b547be290c708d8d9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89fec13ac13dc1d82b52adeedeccddcfb31a9045ecac8dace701bccff9ed3995
[INFO] running `Command { std: "docker" "start" "-a" "89fec13ac13dc1d82b52adeedeccddcfb31a9045ecac8dace701bccff9ed3995", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling rppal v0.11.3
[INFO] [stderr]    Compiling mcp3xxx v0.1.0-pre.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.29s
[INFO] running `Command { std: "docker" "inspect" "89fec13ac13dc1d82b52adeedeccddcfb31a9045ecac8dace701bccff9ed3995", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89fec13ac13dc1d82b52adeedeccddcfb31a9045ecac8dace701bccff9ed3995", kill_on_drop: false }`
[INFO] [stdout] 89fec13ac13dc1d82b52adeedeccddcfb31a9045ecac8dace701bccff9ed3995
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6a76baee176daaa5cf7dc3090ada6b4f115698e4ae65b704b901c04fb86a1b8
[INFO] running `Command { std: "docker" "start" "-a" "b6a76baee176daaa5cf7dc3090ada6b4f115698e4ae65b704b901c04fb86a1b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling mcp3xxx v0.1.0-pre.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "b6a76baee176daaa5cf7dc3090ada6b4f115698e4ae65b704b901c04fb86a1b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6a76baee176daaa5cf7dc3090ada6b4f115698e4ae65b704b901c04fb86a1b8", kill_on_drop: false }`
[INFO] [stdout] b6a76baee176daaa5cf7dc3090ada6b4f115698e4ae65b704b901c04fb86a1b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2f147091baab1473774669aa11c5e2f8b4bd68c294506438f72f5fa2f799f0e4
[INFO] running `Command { std: "docker" "start" "-a" "2f147091baab1473774669aa11c5e2f8b4bd68c294506438f72f5fa2f799f0e4", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mcp3xxx-eb6fa6260dfe93fd)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mcp3xxx
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2f147091baab1473774669aa11c5e2f8b4bd68c294506438f72f5fa2f799f0e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f147091baab1473774669aa11c5e2f8b4bd68c294506438f72f5fa2f799f0e4", kill_on_drop: false }`
[INFO] [stdout] 2f147091baab1473774669aa11c5e2f8b4bd68c294506438f72f5fa2f799f0e4