[INFO] cloning repository https://github.com/ellipticoin/rust-ellipticoin-test-framework
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ellipticoin/rust-ellipticoin-test-framework" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fellipticoin%2Frust-ellipticoin-test-framework", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fellipticoin%2Frust-ellipticoin-test-framework'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5f3407ad4e02056631a27e6f0ac20802d5dd681d
[INFO] testing ellipticoin/rust-ellipticoin-test-framework against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fellipticoin%2Frust-ellipticoin-test-framework" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ellipticoin/rust-ellipticoin-test-framework 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 git repo https://github.com/ellipticoin/rust-ellipticoin-test-framework
[INFO] finished tweaking git repo https://github.com/ellipticoin/rust-ellipticoin-test-framework
[INFO] tweaked toml for git repo https://github.com/ellipticoin/rust-ellipticoin-test-framework written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/ellipticoin/rust-ellipticoin-test-framework already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wee_alloc v0.4.4
[INFO] [stderr]   Downloaded serde_cbor v0.9.0
[INFO] [stderr]   Downloaded serde v1.0.94
[INFO] [stderr]   Downloaded wasm-rpc-macros v0.2.12
[INFO] [stderr]   Downloaded half v1.3.0
[INFO] [stderr]   Downloaded ellipticoin v0.1.4
[INFO] [stderr]   Downloaded wasm-rpc v0.2.11
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2d3e7bbc6142f807c169f894f1794f1b58437f985239951366b89e175d095c4
[INFO] running `Command { std: "docker" "start" "-a" "c2d3e7bbc6142f807c169f894f1794f1b58437f985239951366b89e175d095c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2d3e7bbc6142f807c169f894f1794f1b58437f985239951366b89e175d095c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2d3e7bbc6142f807c169f894f1794f1b58437f985239951366b89e175d095c4", kill_on_drop: false }`
[INFO] [stdout] c2d3e7bbc6142f807c169f894f1794f1b58437f985239951366b89e175d095c4
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 226d4aa8ccaaac7325bb6aea64d0df2ef96c2da5ad2a0457b7f99c3724f33cce
[INFO] running `Command { std: "docker" "start" "-a" "226d4aa8ccaaac7325bb6aea64d0df2ef96c2da5ad2a0457b7f99c3724f33cce", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]    Compiling wee_alloc v0.4.4
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling memory_units v0.4.0
[INFO] [stderr]    Compiling half v1.3.0
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling secp256k1-sys v0.1.2
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling secp256k1 v0.17.2
[INFO] [stderr]    Compiling wasm-rpc-macros v0.2.12
[INFO] [stderr]    Compiling serde_cbor v0.9.0
[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/wasm-rpc-macros-0.2.12/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / #![feature(
[INFO] [stdout] 2 | |     type_ascription,
[INFO] [stdout] 3 | |     box_patterns,
[INFO] [stdout] 4 | |     proc_macro_quote,
[INFO] [stdout] 5 | |     rustc_private,
[INFO] [stdout] 6 | |     proc_macro_hygiene
[INFO] [stdout] 7 | | )]
[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 `wasm-rpc-macros` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "226d4aa8ccaaac7325bb6aea64d0df2ef96c2da5ad2a0457b7f99c3724f33cce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "226d4aa8ccaaac7325bb6aea64d0df2ef96c2da5ad2a0457b7f99c3724f33cce", kill_on_drop: false }`
[INFO] [stdout] 226d4aa8ccaaac7325bb6aea64d0df2ef96c2da5ad2a0457b7f99c3724f33cce