[INFO] fetching crate core_extensions_proc_macros 1.5.4...
[INFO] checking core_extensions_proc_macros-1.5.4 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate core_extensions_proc_macros 1.5.4 into /workspace/builds/worker-1-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-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate core_extensions_proc_macros 1.5.4 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3fbfabf6c31dcd3401d0e4b40bb64e9c0112c357e63c33c872ba53e6c8aab6aa
[INFO] running `Command { std: "docker" "start" "-a" "3fbfabf6c31dcd3401d0e4b40bb64e9c0112c357e63c33c872ba53e6c8aab6aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fbfabf6c31dcd3401d0e4b40bb64e9c0112c357e63c33c872ba53e6c8aab6aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fbfabf6c31dcd3401d0e4b40bb64e9c0112c357e63c33c872ba53e6c8aab6aa", kill_on_drop: false }`
[INFO] [stdout] 3fbfabf6c31dcd3401d0e4b40bb64e9c0112c357e63c33c872ba53e6c8aab6aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 052fcea7e4c0cc894ff96703d2df9f8f1619807bd199c1c0e0976a504c7d00c1
[INFO] running `Command { std: "docker" "start" "-a" "052fcea7e4c0cc894ff96703d2df9f8f1619807bd199c1c0e0976a504c7d00c1", 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)]` 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)]` 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 1.16s
[INFO] running `Command { std: "docker" "inspect" "052fcea7e4c0cc894ff96703d2df9f8f1619807bd199c1c0e0976a504c7d00c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "052fcea7e4c0cc894ff96703d2df9f8f1619807bd199c1c0e0976a504c7d00c1", kill_on_drop: false }`
[INFO] [stdout] 052fcea7e4c0cc894ff96703d2df9f8f1619807bd199c1c0e0976a504c7d00c1