[INFO] fetching crate ratrod 0.6.3...
[INFO] checking ratrod-0.6.3 against 1.95.0 for pr-155915
[INFO] extracting crate ratrod 0.6.3 into /workspace/builds/worker-2-tc1/source
[INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate ratrod 0.6.3
[INFO] finished tweaking crates.io crate ratrod 0.6.3
[INFO] tweaked toml for crates.io crate ratrod 0.6.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ratrod 0.6.3 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] crate crates.io crate ratrod 0.6.3 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hermit-abi v0.5.0
[INFO] [stderr]   Downloaded homedir v0.3.4
[INFO] [stderr]   Downloaded getrandom v0.3.2
[INFO] [stderr]   Downloaded half v2.5.0
[INFO] [stderr]   Downloaded r-efi v5.2.0
[INFO] [stderr]   Downloaded tokio v1.44.1
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] edb5e349733dcdfd319a926e18620f70ec0fadd67a95e258f86eca77049f9464
[INFO] running `Command { std: "docker" "start" "-a" "edb5e349733dcdfd319a926e18620f70ec0fadd67a95e258f86eca77049f9464", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edb5e349733dcdfd319a926e18620f70ec0fadd67a95e258f86eca77049f9464", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edb5e349733dcdfd319a926e18620f70ec0fadd67a95e258f86eca77049f9464", kill_on_drop: false }`
[INFO] [stdout] edb5e349733dcdfd319a926e18620f70ec0fadd67a95e258f86eca77049f9464
[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=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] 598d58ddca1c6b6d00393835be99156f8a4397730720df55dcabf7404c40155d
[INFO] running `Command { std: "docker" "start" "-a" "598d58ddca1c6b6d00393835be99156f8a4397730720df55dcabf7404c40155d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]     Checking once_cell v1.21.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling zerocopy v0.8.23
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling cc v1.2.16
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking log v0.4.26
[INFO] [stderr]     Checking clap_builder v4.5.32
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling anyhow v1.0.97
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]    Compiling virtue v0.0.18
[INFO] [stderr]     Checking bitflags v2.9.0
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking half v2.5.0
[INFO] [stderr]     Checking unty v0.0.4
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]    Compiling bincode_derive v2.0.1
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking plotters-svg v0.3.7
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]     Checking secrecy v0.10.3
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]     Checking socket2 v0.5.8
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking bincode v2.0.1
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking homedir v0.3.4
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking is-terminal v0.4.16
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking rand v0.9.0
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking yansi v1.0.1
[INFO] [stderr]     Checking oorandom v11.1.5
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking pretty_assertions v1.4.1
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling clap_derive v4.5.32
[INFO] [stderr]    Compiling ouroboros_macro v0.18.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]     Checking tokio v1.44.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking ouroboros v0.18.5
[INFO] [stderr]     Checking clap v4.5.32
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking ratrod v0.6.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(coverage_attribute)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ratrod` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "598d58ddca1c6b6d00393835be99156f8a4397730720df55dcabf7404c40155d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "598d58ddca1c6b6d00393835be99156f8a4397730720df55dcabf7404c40155d", kill_on_drop: false }`
[INFO] [stdout] 598d58ddca1c6b6d00393835be99156f8a4397730720df55dcabf7404c40155d
