[INFO] fetching crate amethyst_config 0.15.3...
[INFO] testing amethyst_config-0.15.3 against 1.55.0 for beta-1.56-1
[INFO] extracting crate amethyst_config 0.15.3 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate amethyst_config 0.15.3 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 amethyst_config 0.15.3
[INFO] finished tweaking crates.io crate amethyst_config 0.15.3
[INFO] tweaked toml for crates.io crate amethyst_config 0.15.3 written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate crates.io crate amethyst_config 0.15.3 already has a lockfile, it will not be regenerated
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] c5eba2567c3144c9d258566749e2516d0eda5f61bf12e90bac2e245e8d47d28e
[INFO] running `Command { std: "docker" "start" "-a" "c5eba2567c3144c9d258566749e2516d0eda5f61bf12e90bac2e245e8d47d28e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5eba2567c3144c9d258566749e2516d0eda5f61bf12e90bac2e245e8d47d28e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5eba2567c3144c9d258566749e2516d0eda5f61bf12e90bac2e245e8d47d28e", kill_on_drop: false }`
[INFO] [stdout] c5eba2567c3144c9d258566749e2516d0eda5f61bf12e90bac2e245e8d47d28e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 24bf183e61924ff6c4505c3686835facf65f10fe4c2f00f8737138cd4b8f6e14
[INFO] running `Command { std: "docker" "start" "-a" "24bf183e61924ff6c4505c3686835facf65f10fe4c2f00f8737138cd4b8f6e14", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling ron v0.5.1
[INFO] [stderr]    Compiling amethyst_config v0.15.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 03s
[INFO] running `Command { std: "docker" "inspect" "24bf183e61924ff6c4505c3686835facf65f10fe4c2f00f8737138cd4b8f6e14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24bf183e61924ff6c4505c3686835facf65f10fe4c2f00f8737138cd4b8f6e14", kill_on_drop: false }`
[INFO] [stdout] 24bf183e61924ff6c4505c3686835facf65f10fe4c2f00f8737138cd4b8f6e14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 213ec7b64587e6d7c9d9263fc66c598b49bc4ff7b3fded34acaa2247afcd0c05
[INFO] running `Command { std: "docker" "start" "-a" "213ec7b64587e6d7c9d9263fc66c598b49bc4ff7b3fded34acaa2247afcd0c05", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling amethyst_config v0.15.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "213ec7b64587e6d7c9d9263fc66c598b49bc4ff7b3fded34acaa2247afcd0c05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "213ec7b64587e6d7c9d9263fc66c598b49bc4ff7b3fded34acaa2247afcd0c05", kill_on_drop: false }`
[INFO] [stdout] 213ec7b64587e6d7c9d9263fc66c598b49bc4ff7b3fded34acaa2247afcd0c05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 087e4bf12b9f2cb6c291a0b3a086f7e52fd343ea48470b1ee563e45ea66333a3
[INFO] running `Command { std: "docker" "start" "-a" "087e4bf12b9f2cb6c291a0b3a086f7e52fd343ea48470b1ee563e45ea66333a3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/amethyst_config-c91fe77b191964bc)
[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 amethyst_config
[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" "087e4bf12b9f2cb6c291a0b3a086f7e52fd343ea48470b1ee563e45ea66333a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "087e4bf12b9f2cb6c291a0b3a086f7e52fd343ea48470b1ee563e45ea66333a3", kill_on_drop: false }`
[INFO] [stdout] 087e4bf12b9f2cb6c291a0b3a086f7e52fd343ea48470b1ee563e45ea66333a3