[INFO] fetching crate concurrent-interner 0.1.0...
[INFO] checking concurrent-interner-0.1.0 against master#39cb3386ddc6c71657418be28dbb3987eea4aa4b for pr-133536
[INFO] extracting crate concurrent-interner 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate concurrent-interner 0.1.0 on toolchain 39cb3386ddc6c71657418be28dbb3987eea4aa4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate concurrent-interner 0.1.0
[INFO] finished tweaking crates.io crate concurrent-interner 0.1.0
[INFO] tweaked toml for crates.io crate concurrent-interner 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 85 packages to latest compatible versions
[INFO] [stderr]       Adding ahash v0.7.8 (available: v0.8.11)
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.5.1)
[INFO] [stderr]       Adding dashmap v4.0.2 (available: v6.1.0)
[INFO] [stderr]       Adding rustc-hash v1.1.0 (available: v2.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dashmap v4.0.2
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef257c246d492ae66956068d91b2e2d1a431b9f0e8331b49ab5dd86a50cf0798
[INFO] running `Command { std: "docker" "start" "-a" "ef257c246d492ae66956068d91b2e2d1a431b9f0e8331b49ab5dd86a50cf0798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef257c246d492ae66956068d91b2e2d1a431b9f0e8331b49ab5dd86a50cf0798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef257c246d492ae66956068d91b2e2d1a431b9f0e8331b49ab5dd86a50cf0798", kill_on_drop: false }`
[INFO] [stdout] ef257c246d492ae66956068d91b2e2d1a431b9f0e8331b49ab5dd86a50cf0798
[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=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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65f998e8fbbf7d6cf4be0fec2c09bac65eee6f5a32563d9bcf5648d87b6cd357
[INFO] running `Command { std: "docker" "start" "-a" "65f998e8fbbf7d6cf4be0fec2c09bac65eee6f5a32563d9bcf5648d87b6cd357", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking dashmap v4.0.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking once_cell v1.20.2
[INFO] [stderr]     Checking typed-arena v2.0.2
[INFO] [stderr]     Checking concurrent-interner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]     Checking serde_json v1.0.133
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.215
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] error[E0432]: unresolved import `concurrent_interner::serial`
[INFO] [stdout]   --> benchmarks/interner-speed.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | use concurrent_interner::serial;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `serial` in the root
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/concurrent_interner.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub mod serial;
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] note: the item is gated behind the `_serial` feature
[INFO] [stdout]   --> /opt/rustwide/workdir/src/concurrent_interner.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[cfg(feature = "_serial")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `concurrent-interner` (bench "interner-speed") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "65f998e8fbbf7d6cf4be0fec2c09bac65eee6f5a32563d9bcf5648d87b6cd357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65f998e8fbbf7d6cf4be0fec2c09bac65eee6f5a32563d9bcf5648d87b6cd357", kill_on_drop: false }`
[INFO] [stdout] 65f998e8fbbf7d6cf4be0fec2c09bac65eee6f5a32563d9bcf5648d87b6cd357
