[INFO] fetching crate variant-config 0.1.4...
[INFO] checking variant-config-0.1.4 against 1.95.0 for pr-155915
[INFO] extracting crate variant-config 0.1.4 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate variant-config 0.1.4
[INFO] finished tweaking crates.io crate variant-config 0.1.4
[INFO] tweaked toml for crates.io crate variant-config 0.1.4 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate variant-config 0.1.4 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 53 packages to latest compatible versions
[INFO] [stderr]       Adding ahash v0.7.8 (available: v0.8.12)
[INFO] [stderr]       Adding cranelift v0.80.1 (available: v0.131.1)
[INFO] [stderr]       Adding cranelift-jit v0.80.1 (available: v0.131.1)
[INFO] [stderr]       Adding cranelift-module v0.80.1 (available: v0.131.1)
[INFO] [stderr]       Adding hashbrown v0.12.3 (available: v0.17.1)
[INFO] [stderr]       Adding serde_yaml v0.8.26 (available: v0.9.34+deprecated)
[INFO] [stderr]       Adding toml v0.5.11 (available: v1.1.2+spec-1.1.0)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded cranelift-bforest v0.80.1
[INFO] [stderr]   Downloaded serde_yaml v0.8.26
[INFO] [stderr]   Downloaded cranelift-module v0.80.1
[INFO] [stderr]   Downloaded cranelift v0.80.1
[INFO] [stderr]   Downloaded cranelift-entity v0.80.1
[INFO] [stderr]   Downloaded cranelift-native v0.80.1
[INFO] [stderr]   Downloaded cranelift-jit v0.80.1
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.80.1
[INFO] [stderr]   Downloaded cranelift-frontend v0.80.1
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.80.1
[INFO] [stderr]   Downloaded regalloc v0.0.33
[INFO] [stderr]   Downloaded cranelift-codegen v0.80.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 715e9703ac454db10a24f96146d2927a84f40f03a1fb81b906af1a80221790ec
[INFO] running `Command { std: "docker" "start" "-a" "715e9703ac454db10a24f96146d2927a84f40f03a1fb81b906af1a80221790ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "715e9703ac454db10a24f96146d2927a84f40f03a1fb81b906af1a80221790ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "715e9703ac454db10a24f96146d2927a84f40f03a1fb81b906af1a80221790ec", kill_on_drop: false }`
[INFO] [stdout] 715e9703ac454db10a24f96146d2927a84f40f03a1fb81b906af1a80221790ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 13e002a8add182b35e73de005a2d80c35575c259ddda40bed002532cc73ae52e
[INFO] running `Command { std: "docker" "start" "-a" "13e002a8add182b35e73de005a2d80c35575c259ddda40bed002532cc73ae52e", kill_on_drop: false }`
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.80.1
[INFO] [stderr]     Checking cranelift-entity v0.80.1
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking once_cell v1.21.4
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling peg-runtime v0.8.6
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking region v2.2.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.80.1
[INFO] [stderr]     Checking regalloc v0.0.33
[INFO] [stderr]     Checking cranelift-bforest v0.80.1
[INFO] [stderr]    Compiling peg-macros v0.8.6
[INFO] [stderr]     Checking ahash v0.7.8
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking peg v0.8.6
[INFO] [stderr]    Compiling cranelift-codegen v0.80.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking cranelift-native v0.80.1
[INFO] [stderr]     Checking cranelift-frontend v0.80.1
[INFO] [stderr]     Checking cranelift-module v0.80.1
[INFO] [stderr]     Checking cranelift-jit v0.80.1
[INFO] [stderr]     Checking cranelift v0.80.1
[INFO] [stderr]     Checking variant-config v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/benchmarks.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 `variant-config` (bench "benchmarks") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "13e002a8add182b35e73de005a2d80c35575c259ddda40bed002532cc73ae52e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13e002a8add182b35e73de005a2d80c35575c259ddda40bed002532cc73ae52e", kill_on_drop: false }`
[INFO] [stdout] 13e002a8add182b35e73de005a2d80c35575c259ddda40bed002532cc73ae52e
