[INFO] fetching crate c2rust-bitfields-derive 0.2.1...
[INFO] testing c2rust-bitfields-derive-0.2.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate c2rust-bitfields-derive 0.2.1 into /workspace/builds/worker-106/source
[INFO] validating manifest of crates.io crate c2rust-bitfields-derive 0.2.1 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 c2rust-bitfields-derive 0.2.1
[INFO] finished tweaking crates.io crate c2rust-bitfields-derive 0.2.1
[INFO] tweaked toml for crates.io crate c2rust-bitfields-derive 0.2.1 written to /workspace/builds/worker-106/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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] c417a64619cc154ac831783e6eab2f43a0177e9061e57eb71f717d3bfbb28798
[INFO] running `Command { std: "docker" "start" "-a" "c417a64619cc154ac831783e6eab2f43a0177e9061e57eb71f717d3bfbb28798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c417a64619cc154ac831783e6eab2f43a0177e9061e57eb71f717d3bfbb28798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c417a64619cc154ac831783e6eab2f43a0177e9061e57eb71f717d3bfbb28798", kill_on_drop: false }`
[INFO] [stdout] c417a64619cc154ac831783e6eab2f43a0177e9061e57eb71f717d3bfbb28798
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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] 8df3a877e93dae66e00cdcf5b5b6551c5ec8067d550e541e8a1462e59e5c9643
[INFO] running `Command { std: "docker" "start" "-a" "8df3a877e93dae66e00cdcf5b5b6551c5ec8067d550e541e8a1462e59e5c9643", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling c2rust-bitfields-derive v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.64s
[INFO] running `Command { std: "docker" "inspect" "8df3a877e93dae66e00cdcf5b5b6551c5ec8067d550e541e8a1462e59e5c9643", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8df3a877e93dae66e00cdcf5b5b6551c5ec8067d550e541e8a1462e59e5c9643", kill_on_drop: false }`
[INFO] [stdout] 8df3a877e93dae66e00cdcf5b5b6551c5ec8067d550e541e8a1462e59e5c9643
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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] ec8f7323ada61ad8c24ee12958ac1372dbbdb17b98fc04831209739e757f59ca
[INFO] running `Command { std: "docker" "start" "-a" "ec8f7323ada61ad8c24ee12958ac1372dbbdb17b98fc04831209739e757f59ca", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling c2rust-bitfields-derive v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "ec8f7323ada61ad8c24ee12958ac1372dbbdb17b98fc04831209739e757f59ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec8f7323ada61ad8c24ee12958ac1372dbbdb17b98fc04831209739e757f59ca", kill_on_drop: false }`
[INFO] [stdout] ec8f7323ada61ad8c24ee12958ac1372dbbdb17b98fc04831209739e757f59ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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] 5432fa1745f9156e0ef56de1381c55b0ec35cfa5f256e38d8cdfe7a45c7a27e4
[INFO] running `Command { std: "docker" "start" "-a" "5432fa1745f9156e0ef56de1381c55b0ec35cfa5f256e38d8cdfe7a45c7a27e4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/c2rust_bitfields_derive-b10628fb3f7d03ca)
[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 c2rust-bitfields-derive
[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" "5432fa1745f9156e0ef56de1381c55b0ec35cfa5f256e38d8cdfe7a45c7a27e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5432fa1745f9156e0ef56de1381c55b0ec35cfa5f256e38d8cdfe7a45c7a27e4", kill_on_drop: false }`
[INFO] [stdout] 5432fa1745f9156e0ef56de1381c55b0ec35cfa5f256e38d8cdfe7a45c7a27e4