[INFO] fetching crate uf2_block 0.1.0...
[INFO] testing uf2_block-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate uf2_block 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate uf2_block 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate uf2_block 0.1.0
[INFO] finished tweaking crates.io crate uf2_block 0.1.0
[INFO] tweaked toml for crates.io crate uf2_block 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitmask v0.5.0
[INFO] [stderr]   Downloaded packing v0.1.0
[INFO] [stderr]   Downloaded packing_codegen v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9cbd73f1f71a9d14504fa2e59329ddc63f40b5a52fd53c1b26d9b88942da2f63
[INFO] running `Command { std: "docker" "start" "-a" "9cbd73f1f71a9d14504fa2e59329ddc63f40b5a52fd53c1b26d9b88942da2f63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9cbd73f1f71a9d14504fa2e59329ddc63f40b5a52fd53c1b26d9b88942da2f63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cbd73f1f71a9d14504fa2e59329ddc63f40b5a52fd53c1b26d9b88942da2f63", kill_on_drop: false }`
[INFO] [stdout] 9cbd73f1f71a9d14504fa2e59329ddc63f40b5a52fd53c1b26d9b88942da2f63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2537fdd115c3716f744d4652ef0573b4e402880581b246e4af0012ff0a1e0736
[INFO] running `Command { std: "docker" "start" "-a" "2537fdd115c3716f744d4652ef0573b4e402880581b246e4af0012ff0a1e0736", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling bitmask v0.5.0
[INFO] [stderr]    Compiling packing_codegen v0.1.0
[INFO] [stderr]    Compiling packing v0.1.0
[INFO] [stderr]    Compiling uf2_block v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.29s
[INFO] running `Command { std: "docker" "inspect" "2537fdd115c3716f744d4652ef0573b4e402880581b246e4af0012ff0a1e0736", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2537fdd115c3716f744d4652ef0573b4e402880581b246e4af0012ff0a1e0736", kill_on_drop: false }`
[INFO] [stdout] 2537fdd115c3716f744d4652ef0573b4e402880581b246e4af0012ff0a1e0736
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 506c7e41372b90e7dea0d0c2d9092a01a8c5d958bb1f7bdb2c5623dd2c0970a9
[INFO] running `Command { std: "docker" "start" "-a" "506c7e41372b90e7dea0d0c2d9092a01a8c5d958bb1f7bdb2c5623dd2c0970a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling uf2_block v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "506c7e41372b90e7dea0d0c2d9092a01a8c5d958bb1f7bdb2c5623dd2c0970a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "506c7e41372b90e7dea0d0c2d9092a01a8c5d958bb1f7bdb2c5623dd2c0970a9", kill_on_drop: false }`
[INFO] [stdout] 506c7e41372b90e7dea0d0c2d9092a01a8c5d958bb1f7bdb2c5623dd2c0970a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 02b06208209130a4bbc7a8b0602c56cebd307dfee97e976c1cbf9109d47eb5cb
[INFO] running `Command { std: "docker" "start" "-a" "02b06208209130a4bbc7a8b0602c56cebd307dfee97e976c1cbf9109d47eb5cb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/uf2_block-44e0a18600673a6f)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests uf2_block
[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 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" "02b06208209130a4bbc7a8b0602c56cebd307dfee97e976c1cbf9109d47eb5cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02b06208209130a4bbc7a8b0602c56cebd307dfee97e976c1cbf9109d47eb5cb", kill_on_drop: false }`
[INFO] [stdout] 02b06208209130a4bbc7a8b0602c56cebd307dfee97e976c1cbf9109d47eb5cb