[INFO] fetching crate dochy_archiver2 0.10.1...
[INFO] testing dochy_archiver2-0.10.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate dochy_archiver2 0.10.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate dochy_archiver2 0.10.1
[INFO] finished tweaking crates.io crate dochy_archiver2 0.10.1
[INFO] tweaked toml for crates.io crate dochy_archiver2 0.10.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dochy_archiver2 0.10.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 19 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dochy_compaction v0.10.1
[INFO] [stderr]   Downloaded metrohash v1.0.7
[INFO] [stderr]   Downloaded with_capacity_safe v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cfd77b330ffb3e2076d2f7ca964ddfb4fd1c88a184965368a557447ddbbc5c5a
[INFO] running `Command { std: "docker" "start" "-a" "cfd77b330ffb3e2076d2f7ca964ddfb4fd1c88a184965368a557447ddbbc5c5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfd77b330ffb3e2076d2f7ca964ddfb4fd1c88a184965368a557447ddbbc5c5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfd77b330ffb3e2076d2f7ca964ddfb4fd1c88a184965368a557447ddbbc5c5a", kill_on_drop: false }`
[INFO] [stdout] cfd77b330ffb3e2076d2f7ca964ddfb4fd1c88a184965368a557447ddbbc5c5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d32f78e5f8085ca95d4cbe1ba77f6f4c351d9dd3e9c22ca95c5db83f76e8024
[INFO] running `Command { std: "docker" "start" "-a" "3d32f78e5f8085ca95d4cbe1ba77f6f4c351d9dd3e9c22ca95c5db83f76e8024", kill_on_drop: false }`
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling with_capacity_safe v0.4.2
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling metrohash v1.0.7
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling dochy_compaction v0.10.1
[INFO] [stderr]    Compiling dochy_archiver2 v0.10.1 (/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(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(once_cell)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `once_cell` has been stable since 1.70.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(once_cell)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` 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 `dochy_archiver2` (lib) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3d32f78e5f8085ca95d4cbe1ba77f6f4c351d9dd3e9c22ca95c5db83f76e8024", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d32f78e5f8085ca95d4cbe1ba77f6f4c351d9dd3e9c22ca95c5db83f76e8024", kill_on_drop: false }`
[INFO] [stdout] 3d32f78e5f8085ca95d4cbe1ba77f6f4c351d9dd3e9c22ca95c5db83f76e8024