[INFO] fetching crate core_extensions_proc_macros 1.5.4...
[INFO] checking core_extensions_proc_macros-1.5.4 against 5c543b0b8c73c7b72bc8284ced4fb22ead15734d for pr-160186
[INFO] extracting crate core_extensions_proc_macros 1.5.4 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate core_extensions_proc_macros 1.5.4
[INFO] finished tweaking crates.io crate core_extensions_proc_macros 1.5.4
[INFO] tweaked toml for crates.io crate core_extensions_proc_macros 1.5.4 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate core_extensions_proc_macros 1.5.4 on toolchain 5c543b0b8c73c7b72bc8284ced4fb22ead15734d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate core_extensions_proc_macros 1.5.4 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" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v1.0.40
[INFO] [stderr]   Downloaded proc-macro2 v1.0.101
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 7dd6af250cf690e69ec0eb737a1bd2d7438cfc873323d17928e8bcfe32b8cd8c
[INFO] running `Command { std: "docker" "start" "7dd6af250cf690e69ec0eb737a1bd2d7438cfc873323d17928e8bcfe32b8cd8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7dd6af250cf690e69ec0eb737a1bd2d7438cfc873323d17928e8bcfe32b8cd8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7dd6af250cf690e69ec0eb737a1bd2d7438cfc873323d17928e8bcfe32b8cd8c" "/opt/rustwide/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7dd6af250cf690e69ec0eb737a1bd2d7438cfc873323d17928e8bcfe32b8cd8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7dd6af250cf690e69ec0eb737a1bd2d7438cfc873323d17928e8bcfe32b8cd8c" "/opt/rustwide/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]     Checking core_extensions_proc_macros v1.5.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `into_token_stream` is never used
[INFO] [stdout]    --> src/parsing_shared.rs:110:19
[INFO] [stdout]     |
[INFO] [stdout] 109 | impl MacroInvocation {
[INFO] [stdout]     | -------------------- method in this implementation
[INFO] [stdout] 110 |     pub(crate) fn into_token_stream(mut self) -> TokenStream {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_try_proc` is never used
[INFO] [stdout]   --> src/test_utils.rs:28:15
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub(crate) fn test_try_proc(
[INFO] [stdout]    |               ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `format_res` is never used
[INFO] [stdout]   --> src/test_utils.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn format_res(res: &Result<String, String>) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `map_both` is never used
[INFO] [stdout]   --> src/test_utils.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn map_both<T, U, F>(res: Result<T, T>, func: F) -> Result<U, U>
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `into_token_stream` is never used
[INFO] [stdout]    --> src/parsing_shared.rs:110:19
[INFO] [stdout]     |
[INFO] [stdout] 109 | impl MacroInvocation {
[INFO] [stdout]     | -------------------- method in this implementation
[INFO] [stdout] 110 |     pub(crate) fn into_token_stream(mut self) -> TokenStream {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "7dd6af250cf690e69ec0eb737a1bd2d7438cfc873323d17928e8bcfe32b8cd8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dd6af250cf690e69ec0eb737a1bd2d7438cfc873323d17928e8bcfe32b8cd8c", kill_on_drop: false }`
[INFO] [stdout] 7dd6af250cf690e69ec0eb737a1bd2d7438cfc873323d17928e8bcfe32b8cd8c
