[INFO] fetching crate opengm_rts 0.2.4...
[INFO] testing opengm_rts-0.2.4 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate opengm_rts 0.2.4 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate opengm_rts 0.2.4
[INFO] finished tweaking crates.io crate opengm_rts 0.2.4
[INFO] tweaked toml for crates.io crate opengm_rts 0.2.4 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate opengm_rts 0.2.4 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate opengm_rts 0.2.4 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 89b01620e81a1276576ee1a37e3884ff0503dd10cfaef40e457da026dcce00bf
[INFO] running `Command { std: "docker" "start" "89b01620e81a1276576ee1a37e3884ff0503dd10cfaef40e457da026dcce00bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89b01620e81a1276576ee1a37e3884ff0503dd10cfaef40e457da026dcce00bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "89b01620e81a1276576ee1a37e3884ff0503dd10cfaef40e457da026dcce00bf" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89b01620e81a1276576ee1a37e3884ff0503dd10cfaef40e457da026dcce00bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "89b01620e81a1276576ee1a37e3884ff0503dd10cfaef40e457da026dcce00bf" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling strength_reduce v0.2.4
[INFO] [stderr]    Compiling libm v0.2.11
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling rustfft v6.3.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling transpose v0.2.3
[INFO] [stderr]    Compiling primal-check v0.3.4
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling realfft v3.4.0
[INFO] [stderr]    Compiling opengm_rts v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]    --> src/testsuits/linear_complexity.rs:104:13
[INFO] [stdout]     |
[INFO] [stdout] 104 |             i += 1;
[INFO] [stdout]     |             ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (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 `opengm_rts` (lib) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "89b01620e81a1276576ee1a37e3884ff0503dd10cfaef40e457da026dcce00bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89b01620e81a1276576ee1a37e3884ff0503dd10cfaef40e457da026dcce00bf", kill_on_drop: false }`
[INFO] [stdout] 89b01620e81a1276576ee1a37e3884ff0503dd10cfaef40e457da026dcce00bf
