[INFO] fetching crate rle-bitset 0.1.0...
[INFO] testing rle-bitset-0.1.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate rle-bitset 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate rle-bitset 0.1.0
[INFO] finished tweaking crates.io crate rle-bitset 0.1.0
[INFO] tweaked toml for crates.io crate rle-bitset 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rle-bitset 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] [stderr]       Adding primitive_traits v0.1.0 (available: v0.2.0)
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded primitive_traits v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 12964fbdcc2c31c960fc23b6da8e69f68fe910c3856a3b1473b8f5f9f919ec44
[INFO] running `Command { std: "docker" "start" "-a" "12964fbdcc2c31c960fc23b6da8e69f68fe910c3856a3b1473b8f5f9f919ec44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12964fbdcc2c31c960fc23b6da8e69f68fe910c3856a3b1473b8f5f9f919ec44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12964fbdcc2c31c960fc23b6da8e69f68fe910c3856a3b1473b8f5f9f919ec44", kill_on_drop: false }`
[INFO] [stdout] 12964fbdcc2c31c960fc23b6da8e69f68fe910c3856a3b1473b8f5f9f919ec44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7e4c1038c25808dc5c56883144ee02c368c885b14b0d6c0d1416d674864c7fc5
[INFO] running `Command { std: "docker" "start" "-a" "7e4c1038c25808dc5c56883144ee02c368c885b14b0d6c0d1416d674864c7fc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling primitive_traits v0.1.0
[INFO] [stderr]    Compiling rle-bitset v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "7e4c1038c25808dc5c56883144ee02c368c885b14b0d6c0d1416d674864c7fc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e4c1038c25808dc5c56883144ee02c368c885b14b0d6c0d1416d674864c7fc5", kill_on_drop: false }`
[INFO] [stdout] 7e4c1038c25808dc5c56883144ee02c368c885b14b0d6c0d1416d674864c7fc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bcec9ba1d7f21cc5214a70956f7e7461d7ddb4a5623fae6a100b3633ed30100
[INFO] running `Command { std: "docker" "start" "-a" "4bcec9ba1d7f21cc5214a70956f7e7461d7ddb4a5623fae6a100b3633ed30100", kill_on_drop: false }`
[INFO] [stderr]    Compiling rle-bitset v0.1.0 (/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 `rle-bitset` (test "test") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4bcec9ba1d7f21cc5214a70956f7e7461d7ddb4a5623fae6a100b3633ed30100", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bcec9ba1d7f21cc5214a70956f7e7461d7ddb4a5623fae6a100b3633ed30100", kill_on_drop: false }`
[INFO] [stdout] 4bcec9ba1d7f21cc5214a70956f7e7461d7ddb4a5623fae6a100b3633ed30100