[INFO] fetching crate cxmr-candles 0.0.1...
[INFO] testing cxmr-candles-0.0.1 against 1.54.0 for beta-1.55-1
[INFO] extracting crate cxmr-candles 0.0.1 into /workspace/builds/worker-46/source
[INFO] validating manifest of crates.io crate cxmr-candles 0.0.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cxmr-candles 0.0.1
[INFO] finished tweaking crates.io crate cxmr-candles 0.0.1
[INFO] tweaked toml for crates.io crate cxmr-candles 0.0.1 written to /workspace/builds/worker-46/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6dfc03371e217ce60d04d03d5c5e23f53acdc41609f6bd071cb63e0e51cbcc84
[INFO] running `Command { std: "docker" "start" "-a" "6dfc03371e217ce60d04d03d5c5e23f53acdc41609f6bd071cb63e0e51cbcc84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6dfc03371e217ce60d04d03d5c5e23f53acdc41609f6bd071cb63e0e51cbcc84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dfc03371e217ce60d04d03d5c5e23f53acdc41609f6bd071cb63e0e51cbcc84", kill_on_drop: false }`
[INFO] [stdout] 6dfc03371e217ce60d04d03d5c5e23f53acdc41609f6bd071cb63e0e51cbcc84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de1aff69ab21b163fbd1ce162b489e7d7c9988edd3a430d90d428dd2a1831ec4
[INFO] running `Command { std: "docker" "start" "-a" "de1aff69ab21b163fbd1ce162b489e7d7c9988edd3a430d90d428dd2a1831ec4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling err-convert-macro v0.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]    Compiling object v0.26.0
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling cxmr-ta-core v0.1.5
[INFO] [stderr]    Compiling cxmr-currency v0.0.1
[INFO] [stderr]    Compiling cxmr-balances v0.0.1
[INFO] [stderr]    Compiling cxmr-exchanges v0.0.1
[INFO] [stderr]    Compiling cxmr-feeds v0.0.1
[INFO] [stderr]    Compiling cxmr-orderbook v0.0.1
[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/cxmr-orderbook-0.0.1/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(test)]
[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 `cxmr-orderbook`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "de1aff69ab21b163fbd1ce162b489e7d7c9988edd3a430d90d428dd2a1831ec4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de1aff69ab21b163fbd1ce162b489e7d7c9988edd3a430d90d428dd2a1831ec4", kill_on_drop: false }`
[INFO] [stdout] de1aff69ab21b163fbd1ce162b489e7d7c9988edd3a430d90d428dd2a1831ec4
