[INFO] fetching crate specta-macros 2.0.0-rc.18...
[INFO] checking specta-macros-2.0.0-rc.18 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate specta-macros 2.0.0-rc.18 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate specta-macros 2.0.0-rc.18
[INFO] finished tweaking crates.io crate specta-macros 2.0.0-rc.18
[INFO] tweaked toml for crates.io crate specta-macros 2.0.0-rc.18 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate specta-macros 2.0.0-rc.18 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate specta-macros 2.0.0-rc.18 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b27ba75b17d20b0665e1d36a27ee0a24b972f29fdb97270407dcdbc2ee97f63a
[INFO] running `Command { std: "docker" "start" "-a" "b27ba75b17d20b0665e1d36a27ee0a24b972f29fdb97270407dcdbc2ee97f63a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b27ba75b17d20b0665e1d36a27ee0a24b972f29fdb97270407dcdbc2ee97f63a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b27ba75b17d20b0665e1d36a27ee0a24b972f29fdb97270407dcdbc2ee97f63a", kill_on_drop: false }`
[INFO] [stdout] b27ba75b17d20b0665e1d36a27ee0a24b972f29fdb97270407dcdbc2ee97f63a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 268cf9709ce2aa0ccafdebe8331bf31ef99d1a5ad9b7713fc71a7ef0bad2ca16
[INFO] running `Command { std: "docker" "start" "-a" "268cf9709ce2aa0ccafdebe8331bf31ef99d1a5ad9b7713fc71a7ef0bad2ca16", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]     Checking unicode-ident v1.0.14
[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]     Checking quote v1.0.38
[INFO] [stderr]     Checking syn v2.0.95
[INFO] [stderr]     Checking specta-macros v2.0.0-rc.18 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `then_option` is never used
[INFO] [stdout]    --> src/utils.rs:293:8
[INFO] [stdout]     |
[INFO] [stdout] 293 | pub fn then_option(condition: bool, inner: TokenStream) -> TokenStream {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `then_option` is never used
[INFO] [stdout]    --> src/utils.rs:293:8
[INFO] [stdout]     |
[INFO] [stdout] 293 | pub fn then_option(condition: bool, inner: TokenStream) -> TokenStream {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.91s
[INFO] running `Command { std: "docker" "inspect" "268cf9709ce2aa0ccafdebe8331bf31ef99d1a5ad9b7713fc71a7ef0bad2ca16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "268cf9709ce2aa0ccafdebe8331bf31ef99d1a5ad9b7713fc71a7ef0bad2ca16", kill_on_drop: false }`
[INFO] [stdout] 268cf9709ce2aa0ccafdebe8331bf31ef99d1a5ad9b7713fc71a7ef0bad2ca16