[INFO] fetching crate server-function 0.1.3...
[INFO] building server-function-0.1.3 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate server-function 0.1.3 into /workspace/builds/worker-6-tc1/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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate server-function 0.1.3 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded event-listener-strategy v0.5.4
[INFO] [stderr]   Downloaded unicode-segmentation v1.12.0
[INFO] [stderr]   Downloaded piper v0.2.4
[INFO] [stderr]   Downloaded value-bag v1.11.1
[INFO] [stderr]   Downloaded async-channel v1.9.0
[INFO] [stderr]   Downloaded blocking v1.6.2
[INFO] [stderr]   Downloaded async-channel v2.5.0
[INFO] [stderr]   Downloaded async-global-executor v2.4.1
[INFO] [stderr]   Downloaded async-task v4.7.1
[INFO] [stderr]   Downloaded async-io v2.6.0
[INFO] [stderr]   Downloaded event-listener v5.4.1
[INFO] [stderr]   Downloaded polling v3.11.0
[INFO] [stderr]   Downloaded async-lock v3.4.1
[INFO] [stderr]   Downloaded convert_case v0.6.0
[INFO] [stderr]   Downloaded async-executor v1.13.3
[INFO] [stderr]   Downloaded concurrent-queue v2.5.0
[INFO] [stderr]   Downloaded parking v2.2.1
[INFO] [stderr]   Downloaded async-std v1.13.2
[INFO] [stderr]   Downloaded futures-lite v2.6.1
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82ec4291da6f8de39826864cb2046cd06a71dac5d1208ef61cd127505cf800a5
[INFO] running `Command { std: "docker" "start" "-a" "82ec4291da6f8de39826864cb2046cd06a71dac5d1208ef61cd127505cf800a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82ec4291da6f8de39826864cb2046cd06a71dac5d1208ef61cd127505cf800a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82ec4291da6f8de39826864cb2046cd06a71dac5d1208ef61cd127505cf800a5", kill_on_drop: false }`
[INFO] [stdout] 82ec4291da6f8de39826864cb2046cd06a71dac5d1208ef61cd127505cf800a5
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ef3dd168281a1afdc8d75811c40aabfd3f7381b768efc1a0edd551ceb6e0323
[INFO] running `Command { std: "docker" "start" "-a" "8ef3dd168281a1afdc8d75811c40aabfd3f7381b768efc1a0edd551ceb6e0323", 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 proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling convert_case v0.6.0
[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" "8ef3dd168281a1afdc8d75811c40aabfd3f7381b768efc1a0edd551ceb6e0323", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ef3dd168281a1afdc8d75811c40aabfd3f7381b768efc1a0edd551ceb6e0323", kill_on_drop: false }`
[INFO] [stdout] 8ef3dd168281a1afdc8d75811c40aabfd3f7381b768efc1a0edd551ceb6e0323