[INFO] fetching crate include-flate-codegen-exports 0.1.4...
[INFO] testing include-flate-codegen-exports-0.1.4 against 1.59.0 for beta-1.60-1
[INFO] extracting crate include-flate-codegen-exports 0.1.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate include-flate-codegen-exports 0.1.4 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 include-flate-codegen-exports 0.1.4
[INFO] finished tweaking crates.io crate include-flate-codegen-exports 0.1.4
[INFO] tweaked toml for crates.io crate include-flate-codegen-exports 0.1.4 written to /workspace/builds/worker-0/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 94ef0401962d07b0d598239bbd01ea82d99f1345686788345629ec95a611cf32
[INFO] running `Command { std: "docker" "start" "-a" "94ef0401962d07b0d598239bbd01ea82d99f1345686788345629ec95a611cf32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94ef0401962d07b0d598239bbd01ea82d99f1345686788345629ec95a611cf32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94ef0401962d07b0d598239bbd01ea82d99f1345686788345629ec95a611cf32", kill_on_drop: false }`
[INFO] [stdout] 94ef0401962d07b0d598239bbd01ea82d99f1345686788345629ec95a611cf32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 590ffe75116a460ea10bcd158c13567ba3790a3d4bd98bae67f9d73397761728
[INFO] running `Command { std: "docker" "start" "-a" "590ffe75116a460ea10bcd158c13567ba3790a3d4bd98bae67f9d73397761728", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling rle-decode-fast v1.0.3
[INFO] [stderr]    Compiling libflate_lz77 v1.1.0
[INFO] [stderr]    Compiling libflate v1.1.2
[INFO] [stderr]    Compiling include-flate-codegen v0.1.4
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/include-flate-codegen-0.1.4/src/lib.rs:16:46
[INFO] [stdout]    |
[INFO] [stdout] 16 | #![cfg_attr(not(feature = "stable"), feature(proc_macro_span))]
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^
[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 `include-flate-codegen` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "590ffe75116a460ea10bcd158c13567ba3790a3d4bd98bae67f9d73397761728", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "590ffe75116a460ea10bcd158c13567ba3790a3d4bd98bae67f9d73397761728", kill_on_drop: false }`
[INFO] [stdout] 590ffe75116a460ea10bcd158c13567ba3790a3d4bd98bae67f9d73397761728