[INFO] fetching crate datex-crypto-facade 0.0.2...
[INFO] checking datex-crypto-facade-0.0.2 against 1.95.0 for pr-155915
[INFO] extracting crate datex-crypto-facade 0.0.2 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate datex-crypto-facade 0.0.2
[INFO] finished tweaking crates.io crate datex-crypto-facade 0.0.2
[INFO] tweaked toml for crates.io crate datex-crypto-facade 0.0.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate datex-crypto-facade 0.0.2 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate datex-crypto-facade 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e890ee97f8df5f5056aa9f6507dbc1f593da5af76f21305e02181ee96d47a93
[INFO] running `Command { std: "docker" "start" "-a" "6e890ee97f8df5f5056aa9f6507dbc1f593da5af76f21305e02181ee96d47a93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e890ee97f8df5f5056aa9f6507dbc1f593da5af76f21305e02181ee96d47a93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e890ee97f8df5f5056aa9f6507dbc1f593da5af76f21305e02181ee96d47a93", kill_on_drop: false }`
[INFO] [stdout] 6e890ee97f8df5f5056aa9f6507dbc1f593da5af76f21305e02181ee96d47a93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cda7ac05ee0aae5116eda804219997d7a2aad6233297aacf6144ad40c26c19f8
[INFO] running `Command { std: "docker" "start" "-a" "cda7ac05ee0aae5116eda804219997d7a2aad6233297aacf6144ad40c26c19f8", kill_on_drop: false }`
[INFO] [stderr]     Checking bs58 v0.5.1
[INFO] [stderr]     Checking datex-crypto-facade v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(associated_type_defaults)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(associated_type_defaults)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `datex-crypto-facade` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `length`
[INFO] [stdout]    --> src/crypto.rs:167:25
[INFO] [stdout]     |
[INFO] [stdout] 167 |         fn random_bytes(length: usize) -> Vec<u8> {
[INFO] [stdout]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `datex-crypto-facade` (lib test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "cda7ac05ee0aae5116eda804219997d7a2aad6233297aacf6144ad40c26c19f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cda7ac05ee0aae5116eda804219997d7a2aad6233297aacf6144ad40c26c19f8", kill_on_drop: false }`
[INFO] [stdout] cda7ac05ee0aae5116eda804219997d7a2aad6233297aacf6144ad40c26c19f8
