[INFO] fetching crate simple-cli 0.1.1...
[INFO] testing simple-cli-0.1.1 against 1.95.0 for beta-1.96-2
[INFO] extracting crate simple-cli 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate simple-cli 0.1.1
[INFO] finished tweaking crates.io crate simple-cli 0.1.1
[INFO] tweaked toml for crates.io crate simple-cli 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate simple-cli 0.1.1 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 simple-cli 0.1.1 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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] a8f3161ad2f5eaa50d61a33d689766600b33cd3aa4b03978aac5f5ce9d4b77c6
[INFO] running `Command { std: "docker" "start" "-a" "a8f3161ad2f5eaa50d61a33d689766600b33cd3aa4b03978aac5f5ce9d4b77c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8f3161ad2f5eaa50d61a33d689766600b33cd3aa4b03978aac5f5ce9d4b77c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8f3161ad2f5eaa50d61a33d689766600b33cd3aa4b03978aac5f5ce9d4b77c6", kill_on_drop: false }`
[INFO] [stdout] a8f3161ad2f5eaa50d61a33d689766600b33cd3aa4b03978aac5f5ce9d4b77c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8252ea2577e00876e32ae22e8cf2df36c4b8878ba3651eadc479e2c816a341be
[INFO] running `Command { std: "docker" "start" "-a" "8252ea2577e00876e32ae22e8cf2df36c4b8878ba3651eadc479e2c816a341be", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple-cli v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(int_roundings)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `simple-cli` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "8252ea2577e00876e32ae22e8cf2df36c4b8878ba3651eadc479e2c816a341be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8252ea2577e00876e32ae22e8cf2df36c4b8878ba3651eadc479e2c816a341be", kill_on_drop: false }`
[INFO] [stdout] 8252ea2577e00876e32ae22e8cf2df36c4b8878ba3651eadc479e2c816a341be
