[INFO] fetching crate bit-io 0.1.0...
[INFO] testing bit-io-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate bit-io 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate bit-io 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 bit-io 0.1.0
[INFO] finished tweaking crates.io crate bit-io 0.1.0
[INFO] tweaked toml for crates.io crate bit-io 0.1.0 written to /workspace/builds/worker-6/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 090fcfba06ed4dcfd8d8b8077d1927f8bf994292ee8273202de1a96d8e938d3a
[INFO] running `Command { std: "docker" "start" "-a" "090fcfba06ed4dcfd8d8b8077d1927f8bf994292ee8273202de1a96d8e938d3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "090fcfba06ed4dcfd8d8b8077d1927f8bf994292ee8273202de1a96d8e938d3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "090fcfba06ed4dcfd8d8b8077d1927f8bf994292ee8273202de1a96d8e938d3a", kill_on_drop: false }`
[INFO] [stdout] 090fcfba06ed4dcfd8d8b8077d1927f8bf994292ee8273202de1a96d8e938d3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] efad889b2f0c3fb743d072f0624677a3746e07cce81698fa4144f6c86b4432bd
[INFO] running `Command { std: "docker" "start" "-a" "efad889b2f0c3fb743d072f0624677a3746e07cce81698fa4144f6c86b4432bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling bit-io v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "efad889b2f0c3fb743d072f0624677a3746e07cce81698fa4144f6c86b4432bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efad889b2f0c3fb743d072f0624677a3746e07cce81698fa4144f6c86b4432bd", kill_on_drop: false }`
[INFO] [stdout] efad889b2f0c3fb743d072f0624677a3746e07cce81698fa4144f6c86b4432bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] dcbe833064333b23b4001eb70d65d59e2dca13d1ddebbbceac7866b96f1bfcd7
[INFO] running `Command { std: "docker" "start" "-a" "dcbe833064333b23b4001eb70d65d59e2dca13d1ddebbbceac7866b96f1bfcd7", kill_on_drop: false }`
[INFO] [stderr]    Compiling bit-io v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "dcbe833064333b23b4001eb70d65d59e2dca13d1ddebbbceac7866b96f1bfcd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcbe833064333b23b4001eb70d65d59e2dca13d1ddebbbceac7866b96f1bfcd7", kill_on_drop: false }`
[INFO] [stdout] dcbe833064333b23b4001eb70d65d59e2dca13d1ddebbbceac7866b96f1bfcd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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", kill_on_drop: false }`
[INFO] [stdout] 47f2a5a9104d7c2b1a1c0a1b8d3d58346ad67cc322669bf3da78997515f7bcc8
[INFO] running `Command { std: "docker" "start" "-a" "47f2a5a9104d7c2b1a1c0a1b8d3d58346ad67cc322669bf3da78997515f7bcc8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bit_io-c18443a5420b3fd3)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test reader::tests::buffer_overflow ... ok
[INFO] [stdout] test reader::tests::overlapping ... ok
[INFO] [stdout] test writer::tests::buffer_overflow ... ok
[INFO] [stdout] test reader::tests::within_byte ... ok
[INFO] [stdout] test writer::tests::within_byte ... ok
[INFO] [stdout] test writer::tests::overlapping ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bit-io
[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" "47f2a5a9104d7c2b1a1c0a1b8d3d58346ad67cc322669bf3da78997515f7bcc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47f2a5a9104d7c2b1a1c0a1b8d3d58346ad67cc322669bf3da78997515f7bcc8", kill_on_drop: false }`
[INFO] [stdout] 47f2a5a9104d7c2b1a1c0a1b8d3d58346ad67cc322669bf3da78997515f7bcc8