[INFO] fetching crate compound-erc20 0.1.0...
[INFO] testing compound-erc20-0.1.0 against 1.69.0 for beta-1.70-1
[INFO] extracting crate compound-erc20 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate compound-erc20 0.1.0 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate compound-erc20 0.1.0
[INFO] finished tweaking crates.io crate compound-erc20 0.1.0
[INFO] tweaked toml for crates.io crate compound-erc20 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derp v0.0.14
[INFO] [stderr]   Downloaded casper_types_derive v0.1.0
[INFO] [stderr]   Downloaded casperlabs-contract-utils v0.2.2
[INFO] [stderr]   Downloaded compound-casper-erc20 v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed3303f08d3c66effe1b3daa5b218637ec9ace32e8909105cd778259dc53aa55
[INFO] running `Command { std: "docker" "start" "-a" "ed3303f08d3c66effe1b3daa5b218637ec9ace32e8909105cd778259dc53aa55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed3303f08d3c66effe1b3daa5b218637ec9ace32e8909105cd778259dc53aa55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed3303f08d3c66effe1b3daa5b218637ec9ace32e8909105cd778259dc53aa55", kill_on_drop: false }`
[INFO] [stdout] ed3303f08d3c66effe1b3daa5b218637ec9ace32e8909105cd778259dc53aa55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2765c60fedd2616168edf4bb72bb2a3a78844695d8c91d3484998bd08e4b8e24
[INFO] running `Command { std: "docker" "start" "-a" "2765c60fedd2616168edf4bb72bb2a3a78844695d8c91d3484998bd08e4b8e24", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling regex-syntax v0.7.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling getrandom v0.2.9
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling derp v0.0.14
[INFO] [stderr]    Compiling casper_types_derive v0.1.0
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling regex v1.8.1
[INFO] [stderr]    Compiling pem v0.8.3
[INFO] [stderr]    Compiling serde_bytes v0.11.9
[INFO] [stderr]    Compiling casper-types v1.6.0
[INFO] [stderr]    Compiling casper-contract v1.4.4
[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/casper-contract-1.4.4/src/lib.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     feature(alloc_error_handler, core_intrinsics, lang_items)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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/casper-contract-1.4.4/src/lib.rs:51:34
[INFO] [stdout]    |
[INFO] [stdout] 51 |     feature(alloc_error_handler, core_intrinsics, lang_items)
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `casper-contract` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2765c60fedd2616168edf4bb72bb2a3a78844695d8c91d3484998bd08e4b8e24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2765c60fedd2616168edf4bb72bb2a3a78844695d8c91d3484998bd08e4b8e24", kill_on_drop: false }`
[INFO] [stdout] 2765c60fedd2616168edf4bb72bb2a3a78844695d8c91d3484998bd08e4b8e24
