[INFO] fetching crate server-function 0.1.3...
[INFO] testing server-function-0.1.3 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate server-function 0.1.3 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate server-function 0.1.3
[INFO] finished tweaking crates.io crate server-function 0.1.3
[INFO] tweaked toml for crates.io crate server-function 0.1.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate server-function 0.1.3 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 66 packages to latest compatible versions
[INFO] [stderr]       Adding convert_case v0.6.0 (available: v0.8.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `proc_macro` is deprecated in favor of `proc-macro` and will not work in the 2024 edition
[INFO] [stderr] (in the `server_function` library target)
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2735ac9d1b19897b3570ff843f734b53f61bf18bd2c2f9f47b3effe43e0e3b13
[INFO] running `Command { std: "docker" "start" "-a" "2735ac9d1b19897b3570ff843f734b53f61bf18bd2c2f9f47b3effe43e0e3b13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2735ac9d1b19897b3570ff843f734b53f61bf18bd2c2f9f47b3effe43e0e3b13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2735ac9d1b19897b3570ff843f734b53f61bf18bd2c2f9f47b3effe43e0e3b13", kill_on_drop: false }`
[INFO] [stdout] 2735ac9d1b19897b3570ff843f734b53f61bf18bd2c2f9f47b3effe43e0e3b13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f1906bfc751e72d50a0994ca209f8e50e9b7306394f769d56a4b7b745c6f35e
[INFO] running `Command { std: "docker" "start" "-a" "4f1906bfc751e72d50a0994ca209f8e50e9b7306394f769d56a4b7b745c6f35e", kill_on_drop: false }`
[INFO] [stderr] warning: `proc_macro` is deprecated in favor of `proc-macro` and will not work in the 2024 edition
[INFO] [stderr] (in the `server_function` library target)
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling server-function v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]   --> src/lib.rs:64:16
[INFO] [stdout]    |
[INFO] [stdout] 64 |             if let TokenTree::Punct(punct1) = token1 && let TokenTree::Punct(punct2) = token2 {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]   --> src/lib.rs:64:57
[INFO] [stdout]    |
[INFO] [stdout] 64 |             if let TokenTree::Punct(punct1) = token1 && let TokenTree::Punct(punct2) = token2 {
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]   --> src/lib.rs:76:21
[INFO] [stdout]    |
[INFO] [stdout] 76 |             else if let TokenTree::Punct(punct) = token1 && let TokenTree::Ident(_) = token2 {
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]   --> src/lib.rs:76:61
[INFO] [stdout]    |
[INFO] [stdout] 76 |             else if let TokenTree::Punct(punct) = token1 && let TokenTree::Ident(_) = token2 {
[INFO] [stdout]    |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(let_chains)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `server-function` (lib) due to 4 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "4f1906bfc751e72d50a0994ca209f8e50e9b7306394f769d56a4b7b745c6f35e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f1906bfc751e72d50a0994ca209f8e50e9b7306394f769d56a4b7b745c6f35e", kill_on_drop: false }`
[INFO] [stdout] 4f1906bfc751e72d50a0994ca209f8e50e9b7306394f769d56a4b7b745c6f35e