[INFO] fetching crate cxmr-candles 0.0.1...
[INFO] testing cxmr-candles-0.0.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate cxmr-candles 0.0.1 into /workspace/builds/worker-17/source
[INFO] validating manifest of crates.io crate cxmr-candles 0.0.1 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 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-17/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] e2263ca0803b0be84a608270f9b74f33c0f4f50bb015b509c63167d4c6b8e693
[INFO] running `Command { std: "docker" "start" "-a" "e2263ca0803b0be84a608270f9b74f33c0f4f50bb015b509c63167d4c6b8e693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2263ca0803b0be84a608270f9b74f33c0f4f50bb015b509c63167d4c6b8e693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2263ca0803b0be84a608270f9b74f33c0f4f50bb015b509c63167d4c6b8e693", kill_on_drop: false }`
[INFO] [stdout] e2263ca0803b0be84a608270f9b74f33c0f4f50bb015b509c63167d4c6b8e693
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] ce15b6e2d21d580600b3aba4b99ded3a4d39de6ecef02aa99e457fedbd517077
[INFO] running `Command { std: "docker" "start" "-a" "ce15b6e2d21d580600b3aba4b99ded3a4d39de6ecef02aa99e457fedbd517077", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling err-convert-macro v0.0.1
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling cxmr-balances v0.0.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling cxmr-currency v0.0.1
[INFO] [stderr]    Compiling cxmr-ta-core v0.1.5
[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:2:12
[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` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ce15b6e2d21d580600b3aba4b99ded3a4d39de6ecef02aa99e457fedbd517077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce15b6e2d21d580600b3aba4b99ded3a4d39de6ecef02aa99e457fedbd517077", kill_on_drop: false }`
[INFO] [stdout] ce15b6e2d21d580600b3aba4b99ded3a4d39de6ecef02aa99e457fedbd517077