[INFO] fetching crate simple-cli 0.1.1...
[INFO] testing simple-cli-0.1.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate simple-cli 0.1.1 into /workspace/builds/worker-7-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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate simple-cli 0.1.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b513e030cf51d2d7a9dd2ee7d461e9589b7bf33ed9e9035f0854c97c94a0b3b
[INFO] running `Command { std: "docker" "start" "-a" "2b513e030cf51d2d7a9dd2ee7d461e9589b7bf33ed9e9035f0854c97c94a0b3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b513e030cf51d2d7a9dd2ee7d461e9589b7bf33ed9e9035f0854c97c94a0b3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b513e030cf51d2d7a9dd2ee7d461e9589b7bf33ed9e9035f0854c97c94a0b3b", kill_on_drop: false }`
[INFO] [stdout] 2b513e030cf51d2d7a9dd2ee7d461e9589b7bf33ed9e9035f0854c97c94a0b3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90544ade900a5d0e735aab74db1aa6deefbafa9473b99ddaf57048af44c30989
[INFO] running `Command { std: "docker" "start" "-a" "90544ade900a5d0e735aab74db1aa6deefbafa9473b99ddaf57048af44c30989", 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" "90544ade900a5d0e735aab74db1aa6deefbafa9473b99ddaf57048af44c30989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90544ade900a5d0e735aab74db1aa6deefbafa9473b99ddaf57048af44c30989", kill_on_drop: false }`
[INFO] [stdout] 90544ade900a5d0e735aab74db1aa6deefbafa9473b99ddaf57048af44c30989