[INFO] fetching crate radiate 1.1.59...
[INFO] testing radiate-1.1.59 against 1.55.0 for beta-1.56-1
[INFO] extracting crate radiate 1.1.59 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate radiate 1.1.59 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 radiate 1.1.59
[INFO] finished tweaking crates.io crate radiate 1.1.59
[INFO] tweaked toml for crates.io crate radiate 1.1.59 written to /workspace/builds/worker-10/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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] dcb64825c4de7a767cf0d7dca37d58cb2cc2135a1f307db97ae02908e03be2b6
[INFO] running `Command { std: "docker" "start" "-a" "dcb64825c4de7a767cf0d7dca37d58cb2cc2135a1f307db97ae02908e03be2b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcb64825c4de7a767cf0d7dca37d58cb2cc2135a1f307db97ae02908e03be2b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcb64825c4de7a767cf0d7dca37d58cb2cc2135a1f307db97ae02908e03be2b6", kill_on_drop: false }`
[INFO] [stdout] dcb64825c4de7a767cf0d7dca37d58cb2cc2135a1f307db97ae02908e03be2b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] debb760438f9df81ac26ec36e8e9a5c45386323492a070f48a85bb1109f249b1
[INFO] running `Command { std: "docker" "start" "-a" "debb760438f9df81ac26ec36e8e9a5c45386323492a070f48a85bb1109f249b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling inventory-impl v0.1.10
[INFO] [stderr]    Compiling typetag-impl v0.1.7
[INFO] [stderr]    Compiling inventory v0.1.10
[INFO] [stderr]    Compiling erased-serde v0.3.16
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling typetag v0.1.7
[INFO] [stderr]    Compiling radiate v1.1.59 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.56s
[INFO] running `Command { std: "docker" "inspect" "debb760438f9df81ac26ec36e8e9a5c45386323492a070f48a85bb1109f249b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "debb760438f9df81ac26ec36e8e9a5c45386323492a070f48a85bb1109f249b1", kill_on_drop: false }`
[INFO] [stdout] debb760438f9df81ac26ec36e8e9a5c45386323492a070f48a85bb1109f249b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] f2992a78096a3893f8d9bc3df2d2f5e0e9b8ea69ef4fcdb068b2ca260bfd0656
[INFO] running `Command { std: "docker" "start" "-a" "f2992a78096a3893f8d9bc3df2d2f5e0e9b8ea69ef4fcdb068b2ca260bfd0656", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling radiate v1.1.59 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `radiate` due to 2 previous errors
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> tests/neat.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f2992a78096a3893f8d9bc3df2d2f5e0e9b8ea69ef4fcdb068b2ca260bfd0656", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2992a78096a3893f8d9bc3df2d2f5e0e9b8ea69ef4fcdb068b2ca260bfd0656", kill_on_drop: false }`
[INFO] [stdout] f2992a78096a3893f8d9bc3df2d2f5e0e9b8ea69ef4fcdb068b2ca260bfd0656