[INFO] fetching crate volkswagen 0.1.0...
[INFO] testing volkswagen-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate volkswagen 0.1.0 into /workspace/builds/worker-30/source
[INFO] validating manifest of crates.io crate volkswagen 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 volkswagen 0.1.0
[INFO] finished tweaking crates.io crate volkswagen 0.1.0
[INFO] tweaked toml for crates.io crate volkswagen 0.1.0 written to /workspace/builds/worker-30/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] 4647542414ae7c38fe38056fa6fbd6c969f4452d1124439fc0720fe10e1c97fe
[INFO] running `Command { std: "docker" "start" "-a" "4647542414ae7c38fe38056fa6fbd6c969f4452d1124439fc0720fe10e1c97fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4647542414ae7c38fe38056fa6fbd6c969f4452d1124439fc0720fe10e1c97fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4647542414ae7c38fe38056fa6fbd6c969f4452d1124439fc0720fe10e1c97fe", kill_on_drop: false }`
[INFO] [stdout] 4647542414ae7c38fe38056fa6fbd6c969f4452d1124439fc0720fe10e1c97fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] 2b51da36dd9822ce692068bd2f2caea25d78b192edb0c54b7a85e3a7caed5f6a
[INFO] running `Command { std: "docker" "start" "-a" "2b51da36dd9822ce692068bd2f2caea25d78b192edb0c54b7a85e3a7caed5f6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling built v0.3.2
[INFO] [stderr]    Compiling volkswagen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.42s
[INFO] running `Command { std: "docker" "inspect" "2b51da36dd9822ce692068bd2f2caea25d78b192edb0c54b7a85e3a7caed5f6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b51da36dd9822ce692068bd2f2caea25d78b192edb0c54b7a85e3a7caed5f6a", kill_on_drop: false }`
[INFO] [stdout] 2b51da36dd9822ce692068bd2f2caea25d78b192edb0c54b7a85e3a7caed5f6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] 19c4423137e394320f36324df999d9cac4f879ccb1b1b19cc0ae246bba5a9057
[INFO] running `Command { std: "docker" "start" "-a" "19c4423137e394320f36324df999d9cac4f879ccb1b1b19cc0ae246bba5a9057", kill_on_drop: false }`
[INFO] [stderr]    Compiling volkswagen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "19c4423137e394320f36324df999d9cac4f879ccb1b1b19cc0ae246bba5a9057", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19c4423137e394320f36324df999d9cac4f879ccb1b1b19cc0ae246bba5a9057", kill_on_drop: false }`
[INFO] [stdout] 19c4423137e394320f36324df999d9cac4f879ccb1b1b19cc0ae246bba5a9057
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] 207bb29efff2d6a8c6edfe5f97afb52c256fa8d9604af5c611757f814e327bf9
[INFO] running `Command { std: "docker" "start" "-a" "207bb29efff2d6a8c6edfe5f97afb52c256fa8d9604af5c611757f814e327bf9", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/volkswagen-8ff39048037361dc)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests volkswagen
[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" "207bb29efff2d6a8c6edfe5f97afb52c256fa8d9604af5c611757f814e327bf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "207bb29efff2d6a8c6edfe5f97afb52c256fa8d9604af5c611757f814e327bf9", kill_on_drop: false }`
[INFO] [stdout] 207bb29efff2d6a8c6edfe5f97afb52c256fa8d9604af5c611757f814e327bf9