[INFO] fetching crate bitcoin-script 0.1.3...
[INFO] testing bitcoin-script-0.1.3 against 1.75.0 for beta-1.76-1
[INFO] extracting crate bitcoin-script 0.1.3 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate bitcoin-script 0.1.3 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitcoin-script 0.1.3
[INFO] finished tweaking crates.io crate bitcoin-script 0.1.3
[INFO] tweaked toml for crates.io crate bitcoin-script 0.1.3 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitcoin_hashes v0.11.0
[INFO] [stderr]   Downloaded secp256k1 v0.24.3
[INFO] [stderr]   Downloaded bitcoin v0.29.2
[INFO] [stderr]   Downloaded secp256k1-sys v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0ed1da7c3930823ee4e7c9ed5be74b14af1ed1ce029b482bf473d3360d091b0
[INFO] running `Command { std: "docker" "start" "-a" "b0ed1da7c3930823ee4e7c9ed5be74b14af1ed1ce029b482bf473d3360d091b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0ed1da7c3930823ee4e7c9ed5be74b14af1ed1ce029b482bf473d3360d091b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0ed1da7c3930823ee4e7c9ed5be74b14af1ed1ce029b482bf473d3360d091b0", kill_on_drop: false }`
[INFO] [stdout] b0ed1da7c3930823ee4e7c9ed5be74b14af1ed1ce029b482bf473d3360d091b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acd9e4415c2e2253c15ac7c6c940ed3c9777e76315a129a769cc281582bf0419
[INFO] running `Command { std: "docker" "start" "-a" "acd9e4415c2e2253c15ac7c6c940ed3c9777e76315a129a769cc281582bf0419", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling bitcoin_hashes v0.11.0
[INFO] [stderr]    Compiling bech32 v0.9.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling secp256k1-sys v0.6.1
[INFO] [stderr]    Compiling secp256k1 v0.24.3
[INFO] [stderr]    Compiling bitcoin v0.29.2
[INFO] [stderr]    Compiling bitcoin-script v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:113:1
[INFO] [stdout]     |
[INFO] [stdout] 113 | #![feature(proc_macro_hygiene)]
[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 `bitcoin-script` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "acd9e4415c2e2253c15ac7c6c940ed3c9777e76315a129a769cc281582bf0419", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acd9e4415c2e2253c15ac7c6c940ed3c9777e76315a129a769cc281582bf0419", kill_on_drop: false }`
[INFO] [stdout] acd9e4415c2e2253c15ac7c6c940ed3c9777e76315a129a769cc281582bf0419
