[INFO] cloning repository https://github.com/kiranshila/wblna_optim
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kiranshila/wblna_optim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkiranshila%2Fwblna_optim", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkiranshila%2Fwblna_optim'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 86772ce63fe128b55b1f8e04bfc122ade1dc38dc
[INFO] checking kiranshila/wblna_optim against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkiranshila%2Fwblna_optim" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-0-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/kiranshila/wblna_optim
[INFO] finished tweaking git repo https://github.com/kiranshila/wblna_optim
[INFO] tweaked toml for git repo https://github.com/kiranshila/wblna_optim written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kiranshila/wblna_optim 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 git repo https://github.com/kiranshila/wblna_optim 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 console v0.16.2
[INFO] [stderr]   Downloaded unit-prefix v0.5.2
[INFO] [stderr]   Downloaded indicatif v0.18.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4ee57efaa5f5910ad70ae64070a1c51c015ae3e69673441a66e4ac72dc0e2e69
[INFO] running `Command { std: "docker" "start" "-a" "4ee57efaa5f5910ad70ae64070a1c51c015ae3e69673441a66e4ac72dc0e2e69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ee57efaa5f5910ad70ae64070a1c51c015ae3e69673441a66e4ac72dc0e2e69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ee57efaa5f5910ad70ae64070a1c51c015ae3e69673441a66e4ac72dc0e2e69", kill_on_drop: false }`
[INFO] [stdout] 4ee57efaa5f5910ad70ae64070a1c51c015ae3e69673441a66e4ac72dc0e2e69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 1ff4626d674d58d84af62dcc433543f383ebe52b23c699a6e1e1f3437860ffe8
[INFO] running `Command { std: "docker" "start" "-a" "1ff4626d674d58d84af62dcc433543f383ebe52b23c699a6e1e1f3437860ffe8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]     Checking anstyle-query v1.1.5
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.2
[INFO] [stderr]     Checking memchr v2.8.0
[INFO] [stderr]    Compiling portable-atomic v1.13.1
[INFO] [stderr]     Checking colorchoice v1.0.4
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]     Checking anstyle v1.0.13
[INFO] [stderr]     Checking itoa v1.0.17
[INFO] [stderr]     Checking anstyle-parse v0.2.7
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking unicode-width v0.2.2
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking clap_lex v1.0.0
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]     Checking ryu v1.0.23
[INFO] [stderr]     Checking unit-prefix v0.5.2
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]     Checking anstream v0.6.21
[INFO] [stderr]     Checking csv-core v0.1.13
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking clap_builder v4.5.60
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]     Checking console v0.16.2
[INFO] [stderr]     Checking indicatif v0.18.4
[INFO] [stderr]     Checking csv v1.4.0
[INFO] [stderr]    Compiling clap_derive v4.5.55
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking clap v4.5.60
[INFO] [stderr]     Checking wblna_optim v0.1.0 (/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(autodiff)]
[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:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(autodiff)]
[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 `wblna_optim` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wblna_optim` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "1ff4626d674d58d84af62dcc433543f383ebe52b23c699a6e1e1f3437860ffe8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ff4626d674d58d84af62dcc433543f383ebe52b23c699a6e1e1f3437860ffe8", kill_on_drop: false }`
[INFO] [stdout] 1ff4626d674d58d84af62dcc433543f383ebe52b23c699a6e1e1f3437860ffe8
