[INFO] fetching crate shredder_derive 0.2.0...
[INFO] testing shredder_derive-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate shredder_derive 0.2.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate shredder_derive 0.2.0 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 shredder_derive 0.2.0
[INFO] finished tweaking crates.io crate shredder_derive 0.2.0
[INFO] tweaked toml for crates.io crate shredder_derive 0.2.0 written to /workspace/builds/worker-15/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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 475946abd44062755aa0f87660e3afd0fea748db45dd159565939c4b1cd0d305
[INFO] running `Command { std: "docker" "start" "-a" "475946abd44062755aa0f87660e3afd0fea748db45dd159565939c4b1cd0d305", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "475946abd44062755aa0f87660e3afd0fea748db45dd159565939c4b1cd0d305", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "475946abd44062755aa0f87660e3afd0fea748db45dd159565939c4b1cd0d305", kill_on_drop: false }`
[INFO] [stdout] 475946abd44062755aa0f87660e3afd0fea748db45dd159565939c4b1cd0d305
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] fdc92c4a7bde38a3c191c839c2fa9ed47badfe7709e0b94a9d6abdf8d5f2f30d
[INFO] running `Command { std: "docker" "start" "-a" "fdc92c4a7bde38a3c191c839c2fa9ed47badfe7709e0b94a9d6abdf8d5f2f30d", kill_on_drop: false }`
[INFO] [stderr]    Compiling shredder_derive v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.45s
[INFO] running `Command { std: "docker" "inspect" "fdc92c4a7bde38a3c191c839c2fa9ed47badfe7709e0b94a9d6abdf8d5f2f30d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdc92c4a7bde38a3c191c839c2fa9ed47badfe7709e0b94a9d6abdf8d5f2f30d", kill_on_drop: false }`
[INFO] [stdout] fdc92c4a7bde38a3c191c839c2fa9ed47badfe7709e0b94a9d6abdf8d5f2f30d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] c26c2f8c01f7a86936e96f0f6d7478db16c2858601e6789634f014483d1af731
[INFO] running `Command { std: "docker" "start" "-a" "c26c2f8c01f7a86936e96f0f6d7478db16c2858601e6789634f014483d1af731", kill_on_drop: false }`
[INFO] [stderr]    Compiling shredder_derive v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "c26c2f8c01f7a86936e96f0f6d7478db16c2858601e6789634f014483d1af731", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c26c2f8c01f7a86936e96f0f6d7478db16c2858601e6789634f014483d1af731", kill_on_drop: false }`
[INFO] [stdout] c26c2f8c01f7a86936e96f0f6d7478db16c2858601e6789634f014483d1af731
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] c699edc46378914e10e5144189aec96613ca4cb8b7e247e440f7bb03874d9475
[INFO] running `Command { std: "docker" "start" "-a" "c699edc46378914e10e5144189aec96613ca4cb8b7e247e440f7bb03874d9475", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/shredder_derive-d13fadc73e06d251)
[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 shredder_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" "c699edc46378914e10e5144189aec96613ca4cb8b7e247e440f7bb03874d9475", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c699edc46378914e10e5144189aec96613ca4cb8b7e247e440f7bb03874d9475", kill_on_drop: false }`
[INFO] [stdout] c699edc46378914e10e5144189aec96613ca4cb8b7e247e440f7bb03874d9475