[INFO] fetching crate trait_derive 0.1.0...
[INFO] testing trait_derive-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate trait_derive 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate trait_derive 0.1.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate trait_derive 0.1.0
[INFO] finished tweaking crates.io crate trait_derive 0.1.0
[INFO] tweaked toml for crates.io crate trait_derive 0.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] afa26bb5957d983466966ff67e80ba97647090895f9f826afee3c063d92ab13d
[INFO] running `Command { std: "docker" "start" "-a" "afa26bb5957d983466966ff67e80ba97647090895f9f826afee3c063d92ab13d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "afa26bb5957d983466966ff67e80ba97647090895f9f826afee3c063d92ab13d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afa26bb5957d983466966ff67e80ba97647090895f9f826afee3c063d92ab13d", kill_on_drop: false }`
[INFO] [stdout] afa26bb5957d983466966ff67e80ba97647090895f9f826afee3c063d92ab13d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d07de7dc693b9a8b8706f47752a428219fa7f41c7fad9bfba3ffaedc781b564
[INFO] running `Command { std: "docker" "start" "-a" "0d07de7dc693b9a8b8706f47752a428219fa7f41c7fad9bfba3ffaedc781b564", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling trait_derive_core v0.1.0
[INFO] [stderr]    Compiling trait_derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | #![feature(proc_macro)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[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: could not compile `trait_derive` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "0d07de7dc693b9a8b8706f47752a428219fa7f41c7fad9bfba3ffaedc781b564", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d07de7dc693b9a8b8706f47752a428219fa7f41c7fad9bfba3ffaedc781b564", kill_on_drop: false }`
[INFO] [stdout] 0d07de7dc693b9a8b8706f47752a428219fa7f41c7fad9bfba3ffaedc781b564