[INFO] cloning repository https://github.com/Karribalu/r-reactive
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Karribalu/r-reactive" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKarribalu%2Fr-reactive", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKarribalu%2Fr-reactive'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9acb4721657c9de31416163fdfc0d70d09ff95bd
[INFO] checking Karribalu/r-reactive against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKarribalu%2Fr-reactive" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Karribalu/r-reactive
[INFO] finished tweaking git repo https://github.com/Karribalu/r-reactive
[INFO] tweaked toml for git repo https://github.com/Karribalu/r-reactive written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Karribalu/r-reactive 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/Karribalu/r-reactive 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] 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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d86d9d10560efd978428033b828bb1659dcec36eba9d69d64d54eb84e6fc5c81
[INFO] running `Command { std: "docker" "start" "-a" "d86d9d10560efd978428033b828bb1659dcec36eba9d69d64d54eb84e6fc5c81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d86d9d10560efd978428033b828bb1659dcec36eba9d69d64d54eb84e6fc5c81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d86d9d10560efd978428033b828bb1659dcec36eba9d69d64d54eb84e6fc5c81", kill_on_drop: false }`
[INFO] [stdout] d86d9d10560efd978428033b828bb1659dcec36eba9d69d64d54eb84e6fc5c81
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 554de2bc788bc3e42e6d122e26a2ceb240da8b35b3f4a89a7b5e00c9a285ac3a
[INFO] running `Command { std: "docker" "start" "-a" "554de2bc788bc3e42e6d122e26a2ceb240da8b35b3f4a89a7b5e00c9a285ac3a", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v1.15.0
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]     Checking socket2 v0.5.8
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]     Checking tokio v1.45.0
[INFO] [stderr]     Checking r-reactive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(reentrant_lock)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ttl`
[INFO] [stdout]   --> src/reactive_store.rs:47:62
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn set_with_ttl(&self, key: &str, value: StoreValue, ttl: std::time::Duration) {
[INFO] [stdout]    |                                                              ^^^ help: if this is intentional, prefix it with an underscore: `_ttl`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/reactive_store.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let data = self.data.clone();
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]   --> src/reactive_store.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let tx = self.tx.clone();
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/reactive_store.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let key = key.to_string();
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `r-reactive` (bin "r-reactive" test) due to 1 previous error; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(reentrant_lock)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ttl`
[INFO] [stdout]   --> src/reactive_store.rs:47:62
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn set_with_ttl(&self, key: &str, value: StoreValue, ttl: std::time::Duration) {
[INFO] [stdout]    |                                                              ^^^ help: if this is intentional, prefix it with an underscore: `_ttl`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/reactive_store.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let data = self.data.clone();
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]   --> src/reactive_store.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let tx = self.tx.clone();
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/reactive_store.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let key = key.to_string();
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `r-reactive` (bin "r-reactive") due to 1 previous error; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "554de2bc788bc3e42e6d122e26a2ceb240da8b35b3f4a89a7b5e00c9a285ac3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "554de2bc788bc3e42e6d122e26a2ceb240da8b35b3f4a89a7b5e00c9a285ac3a", kill_on_drop: false }`
[INFO] [stdout] 554de2bc788bc3e42e6d122e26a2ceb240da8b35b3f4a89a7b5e00c9a285ac3a
