[INFO] fetching crate glade 0.1.0-alpha.4...
[INFO] testing glade-0.1.0-alpha.4 against 1.55.0 for beta-1.56-1
[INFO] extracting crate glade 0.1.0-alpha.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate glade 0.1.0-alpha.4 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 glade 0.1.0-alpha.4
[INFO] finished tweaking crates.io crate glade 0.1.0-alpha.4
[INFO] tweaked toml for crates.io crate glade 0.1.0-alpha.4 written to /workspace/builds/worker-2/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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] dfe2b2564f02021a23e02a4701baa46c1add551e22307a6d60b26a9399dc7bf6
[INFO] running `Command { std: "docker" "start" "-a" "dfe2b2564f02021a23e02a4701baa46c1add551e22307a6d60b26a9399dc7bf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfe2b2564f02021a23e02a4701baa46c1add551e22307a6d60b26a9399dc7bf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfe2b2564f02021a23e02a4701baa46c1add551e22307a6d60b26a9399dc7bf6", kill_on_drop: false }`
[INFO] [stdout] dfe2b2564f02021a23e02a4701baa46c1add551e22307a6d60b26a9399dc7bf6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 73c5188827765e7c6dd3bf8271841f71d4c8755db1c094fbc477c65f1c03f139
[INFO] running `Command { std: "docker" "start" "-a" "73c5188827765e7c6dd3bf8271841f71d4c8755db1c094fbc477c65f1c03f139", kill_on_drop: false }`
[INFO] [stderr]    Compiling amplify_num v0.2.2
[INFO] [stderr]    Compiling amplify_syn v1.1.6
[INFO] [stderr]    Compiling amplify_derive v2.9.0
[INFO] [stderr]    Compiling amplify v3.9.1
[INFO] [stderr]    Compiling glade v0.1.0-alpha.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0412]: cannot find type `NoneError` in module `std::option`
[INFO] [stdout]   --> src/error.rs:22:25
[INFO] [stdout]    |
[INFO] [stdout] 22 |     #[from(std::option::NoneError)]
[INFO] [stdout]    |                         ^^^^^^^^^ not found in `std::option`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | #![feature(try_trait)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `glade` due to 3 previous errors
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "73c5188827765e7c6dd3bf8271841f71d4c8755db1c094fbc477c65f1c03f139", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73c5188827765e7c6dd3bf8271841f71d4c8755db1c094fbc477c65f1c03f139", kill_on_drop: false }`
[INFO] [stdout] 73c5188827765e7c6dd3bf8271841f71d4c8755db1c094fbc477c65f1c03f139