[INFO] cloning repository https://github.com/klx01/rust_wasm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/klx01/rust_wasm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fklx01%2Frust_wasm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fklx01%2Frust_wasm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 783392f56820884de4cca5f3994b5e8466f60b80
[INFO] checking klx01/rust_wasm against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fklx01%2Frust_wasm" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/klx01/rust_wasm
[INFO] finished tweaking git repo https://github.com/klx01/rust_wasm
[INFO] tweaked toml for git repo https://github.com/klx01/rust_wasm written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/klx01/rust_wasm 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/klx01/rust_wasm 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]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.42
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 8ee86a4364cdaa2c1442adc220e51987a90891d5da3d6451400f461a209be37a
[INFO] running `Command { std: "docker" "start" "-a" "8ee86a4364cdaa2c1442adc220e51987a90891d5da3d6451400f461a209be37a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ee86a4364cdaa2c1442adc220e51987a90891d5da3d6451400f461a209be37a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ee86a4364cdaa2c1442adc220e51987a90891d5da3d6451400f461a209be37a", kill_on_drop: false }`
[INFO] [stdout] 8ee86a4364cdaa2c1442adc220e51987a90891d5da3d6451400f461a209be37a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 406987abb04a5d2490a32db7d5a1514b02d60910934093d8167546b8a2229100
[INFO] running `Command { std: "docker" "start" "-a" "406987abb04a5d2490a32db7d5a1514b02d60910934093d8167546b8a2229100", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.84
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.92
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling wasm-bindgen v0.2.92
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.92
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.42
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.92
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.92
[INFO] [stderr]     Checking js-sys v0.3.69
[INFO] [stderr]     Checking console_error_panic_hook v0.1.7
[INFO] [stderr]     Checking web-sys v0.3.69
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.42
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.42
[INFO] [stderr]     Checking rust_wasm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `get_by_coords`, `set_by_coords`, and `count_live_neighbours_slow` are never used
[INFO] [stdout]    --> src/game_of_life.rs:62:8
[INFO] [stdout]     |
[INFO] [stdout]  26 | impl Field {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  62 |     fn get_by_coords(&self, row: usize, col: usize) -> Option<CellValue> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  66 |     fn set_by_coords(&mut self, row: usize, col: usize, value: CellValue) -> Option<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 151 |     fn count_live_neighbours_slow(&self, row: usize, col: usize) -> u8 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `capacity` is never used
[INFO] [stdout]   --> src/ring_buffer.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl<T> RingBuffer<T> {
[INFO] [stdout]    | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn capacity(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_by_coords` and `count_live_neighbours_slow` are never used
[INFO] [stdout]    --> src/game_of_life.rs:66:8
[INFO] [stdout]     |
[INFO] [stdout]  26 | impl Field {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  66 |     fn set_by_coords(&mut self, row: usize, col: usize, value: CellValue) -> Option<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 151 |     fn count_live_neighbours_slow(&self, row: usize, col: usize) -> u8 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `capacity` is never used
[INFO] [stdout]   --> src/ring_buffer.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl<T> RingBuffer<T> {
[INFO] [stdout]    | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn capacity(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/bench.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 `rust_wasm` (bench "bench") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "406987abb04a5d2490a32db7d5a1514b02d60910934093d8167546b8a2229100", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "406987abb04a5d2490a32db7d5a1514b02d60910934093d8167546b8a2229100", kill_on_drop: false }`
[INFO] [stdout] 406987abb04a5d2490a32db7d5a1514b02d60910934093d8167546b8a2229100
