[INFO] fetching crate smolprng 0.1.6...
[INFO] checking smolprng-0.1.6 against 1.95.0 for pr-155915
[INFO] extracting crate smolprng 0.1.6 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate smolprng 0.1.6
[INFO] finished tweaking crates.io crate smolprng 0.1.6
[INFO] tweaked toml for crates.io crate smolprng 0.1.6 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate smolprng 0.1.6 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]      Locking 7 packages to latest compatible versions
[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] warning: `panic` setting is ignored for `bench` profile
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded alloc_counter_macro v0.0.2
[INFO] [stderr]   Downloaded alloc_counter v0.0.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] c62d9fa8ba629314fa0418e1d45e6f90d83507db4542211f665545ffac9fdf8d
[INFO] running `Command { std: "docker" "start" "-a" "c62d9fa8ba629314fa0418e1d45e6f90d83507db4542211f665545ffac9fdf8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c62d9fa8ba629314fa0418e1d45e6f90d83507db4542211f665545ffac9fdf8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c62d9fa8ba629314fa0418e1d45e6f90d83507db4542211f665545ffac9fdf8d", kill_on_drop: false }`
[INFO] [stdout] c62d9fa8ba629314fa0418e1d45e6f90d83507db4542211f665545ffac9fdf8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5b1594146e79877d47fecd9b9a3ebe97bb685dec23870018d3f61fea3a9ae292
[INFO] running `Command { std: "docker" "start" "-a" "5b1594146e79877d47fecd9b9a3ebe97bb685dec23870018d3f61fea3a9ae292", kill_on_drop: false }`
[INFO] [stderr] warning: `panic` setting is ignored for `bench` profile
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking smolprng v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling alloc_counter_macro v0.0.2
[INFO] [stderr]     Checking alloc_counter v0.0.4
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/bench_generators.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![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 `smolprng` (bench "bench_generators") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5b1594146e79877d47fecd9b9a3ebe97bb685dec23870018d3f61fea3a9ae292", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b1594146e79877d47fecd9b9a3ebe97bb685dec23870018d3f61fea3a9ae292", kill_on_drop: false }`
[INFO] [stdout] 5b1594146e79877d47fecd9b9a3ebe97bb685dec23870018d3f61fea3a9ae292
