[INFO] fetching crate derpy 0.1.0...
[INFO] testing derpy-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate derpy 0.1.0 into /workspace/builds/worker-51/source
[INFO] validating manifest of crates.io crate derpy 0.1.0 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 derpy 0.1.0
[INFO] finished tweaking crates.io crate derpy 0.1.0
[INFO] tweaked toml for crates.io crate derpy 0.1.0 written to /workspace/builds/worker-51/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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] 76e0a5efa1a05b3994c91dea5707072b54702cbc7bb82548bef222ec07c4ea4a
[INFO] running `Command { std: "docker" "start" "-a" "76e0a5efa1a05b3994c91dea5707072b54702cbc7bb82548bef222ec07c4ea4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76e0a5efa1a05b3994c91dea5707072b54702cbc7bb82548bef222ec07c4ea4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76e0a5efa1a05b3994c91dea5707072b54702cbc7bb82548bef222ec07c4ea4a", kill_on_drop: false }`
[INFO] [stdout] 76e0a5efa1a05b3994c91dea5707072b54702cbc7bb82548bef222ec07c4ea4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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] f0df2bf684e278e744becc09c4393f2f2483763968e1b50dc9a6f87de798df69
[INFO] running `Command { std: "docker" "start" "-a" "f0df2bf684e278e744becc09c4393f2f2483763968e1b50dc9a6f87de798df69", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling strfmt v0.1.6
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling subprocess v0.1.20
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling object v0.26.2
[INFO] [stderr]    Compiling addr2line v0.16.0
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling derpy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.88s
[INFO] running `Command { std: "docker" "inspect" "f0df2bf684e278e744becc09c4393f2f2483763968e1b50dc9a6f87de798df69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0df2bf684e278e744becc09c4393f2f2483763968e1b50dc9a6f87de798df69", kill_on_drop: false }`
[INFO] [stdout] f0df2bf684e278e744becc09c4393f2f2483763968e1b50dc9a6f87de798df69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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] 5a9c29577452ca887707550c5648a17e45ff6660c480560be129ea80f3ce42dc
[INFO] running `Command { std: "docker" "start" "-a" "5a9c29577452ca887707550c5648a17e45ff6660c480560be129ea80f3ce42dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling derpy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "5a9c29577452ca887707550c5648a17e45ff6660c480560be129ea80f3ce42dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a9c29577452ca887707550c5648a17e45ff6660c480560be129ea80f3ce42dc", kill_on_drop: false }`
[INFO] [stdout] 5a9c29577452ca887707550c5648a17e45ff6660c480560be129ea80f3ce42dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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] 7ed9e60dc8f63a092b7baa87d8c012f0f4e004251e9c1b9e80a79e3ddff0b859
[INFO] running `Command { std: "docker" "start" "-a" "7ed9e60dc8f63a092b7baa87d8c012f0f4e004251e9c1b9e80a79e3ddff0b859", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/derpy-2e41826e9aca8a85)
[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" "7ed9e60dc8f63a092b7baa87d8c012f0f4e004251e9c1b9e80a79e3ddff0b859", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ed9e60dc8f63a092b7baa87d8c012f0f4e004251e9c1b9e80a79e3ddff0b859", kill_on_drop: false }`
[INFO] [stdout] 7ed9e60dc8f63a092b7baa87d8c012f0f4e004251e9c1b9e80a79e3ddff0b859