[INFO] fetching crate simple-rate-limit 0.2.0...
[INFO] checking simple-rate-limit-0.2.0 against 1.95.0 for pr-155915
[INFO] extracting crate simple-rate-limit 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate simple-rate-limit 0.2.0
[INFO] finished tweaking crates.io crate simple-rate-limit 0.2.0
[INFO] tweaked toml for crates.io crate simple-rate-limit 0.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate simple-rate-limit 0.2.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 1 package to latest compatible version
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ring-vec v0.1.1
[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] c0b20aaaf772659583dd263badb37d2c93ae23dd270639798828881a51bf5a0b
[INFO] running `Command { std: "docker" "start" "-a" "c0b20aaaf772659583dd263badb37d2c93ae23dd270639798828881a51bf5a0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0b20aaaf772659583dd263badb37d2c93ae23dd270639798828881a51bf5a0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0b20aaaf772659583dd263badb37d2c93ae23dd270639798828881a51bf5a0b", kill_on_drop: false }`
[INFO] [stdout] c0b20aaaf772659583dd263badb37d2c93ae23dd270639798828881a51bf5a0b
[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] 620e0f88f11eb9ee63824065be10d85422335406fce17bae4e33a5332f35c075
[INFO] running `Command { std: "docker" "start" "-a" "620e0f88f11eb9ee63824065be10d85422335406fce17bae4e33a5332f35c075", kill_on_drop: false }`
[INFO] [stderr]     Checking ring-vec v0.1.1
[INFO] [stderr]     Checking simple-rate-limit v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> tests/test.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[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-rate-limit` (test "test") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "620e0f88f11eb9ee63824065be10d85422335406fce17bae4e33a5332f35c075", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "620e0f88f11eb9ee63824065be10d85422335406fce17bae4e33a5332f35c075", kill_on_drop: false }`
[INFO] [stdout] 620e0f88f11eb9ee63824065be10d85422335406fce17bae4e33a5332f35c075
