[INFO] fetching crate s2rs-derive 0.1.2...
[INFO] testing s2rs-derive-0.1.2 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate s2rs-derive 0.1.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate s2rs-derive 0.1.2
[INFO] finished tweaking crates.io crate s2rs-derive 0.1.2
[INFO] tweaked toml for crates.io crate s2rs-derive 0.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate s2rs-derive 0.1.2 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7528bcaa50e061007eadca1c64ae9c769599588e0aeef29e07651fe79c1163fc
[INFO] running `Command { std: "docker" "start" "-a" "7528bcaa50e061007eadca1c64ae9c769599588e0aeef29e07651fe79c1163fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7528bcaa50e061007eadca1c64ae9c769599588e0aeef29e07651fe79c1163fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7528bcaa50e061007eadca1c64ae9c769599588e0aeef29e07651fe79c1163fc", kill_on_drop: false }`
[INFO] [stdout] 7528bcaa50e061007eadca1c64ae9c769599588e0aeef29e07651fe79c1163fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d65a2c19edf08076a48b5cd401e61dbc4b70f4f0e67ef579e926ccc2f73479e
[INFO] running `Command { std: "docker" "start" "-a" "7d65a2c19edf08076a48b5cd401e61dbc4b70f4f0e67ef579e926ccc2f73479e", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling s2rs-derive v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Forwarder` is never used
[INFO] [stdout]  --> src/lib.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | trait Forwarder {}
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.57s
[INFO] running `Command { std: "docker" "inspect" "7d65a2c19edf08076a48b5cd401e61dbc4b70f4f0e67ef579e926ccc2f73479e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d65a2c19edf08076a48b5cd401e61dbc4b70f4f0e67ef579e926ccc2f73479e", kill_on_drop: false }`
[INFO] [stdout] 7d65a2c19edf08076a48b5cd401e61dbc4b70f4f0e67ef579e926ccc2f73479e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a7ead3005c9b7e5731b950a60ae36069bf8ea6656dded4ef9b3f2925453ade7
[INFO] running `Command { std: "docker" "start" "-a" "9a7ead3005c9b7e5731b950a60ae36069bf8ea6656dded4ef9b3f2925453ade7", kill_on_drop: false }`
[INFO] [stderr]    Compiling s2rs-derive v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Forwarder` is never used
[INFO] [stdout]  --> src/lib.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | trait Forwarder {}
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Forwarder` is never used
[INFO] [stdout]  --> src/lib.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | trait Forwarder {}
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "9a7ead3005c9b7e5731b950a60ae36069bf8ea6656dded4ef9b3f2925453ade7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a7ead3005c9b7e5731b950a60ae36069bf8ea6656dded4ef9b3f2925453ade7", kill_on_drop: false }`
[INFO] [stdout] 9a7ead3005c9b7e5731b950a60ae36069bf8ea6656dded4ef9b3f2925453ade7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f3cab526b33edbeea6fe5fd0ff38e607b56216e54657f7b240cc1d4b0a74e638
[INFO] running `Command { std: "docker" "start" "-a" "f3cab526b33edbeea6fe5fd0ff38e607b56216e54657f7b240cc1d4b0a74e638", kill_on_drop: false }`
[INFO] [stderr] warning: trait `Forwarder` is never used
[INFO] [stderr]  --> src/lib.rs:6:7
[INFO] [stderr]   |
[INFO] [stderr] 6 | trait Forwarder {}
[INFO] [stderr]   |       ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `s2rs-derive` (lib) generated 1 warning
[INFO] [stderr] warning: `s2rs-derive` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/s2rs_derive-925065a589e513dd)
[INFO] [stderr]    Doc-tests s2rs_derive
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f3cab526b33edbeea6fe5fd0ff38e607b56216e54657f7b240cc1d4b0a74e638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3cab526b33edbeea6fe5fd0ff38e607b56216e54657f7b240cc1d4b0a74e638", kill_on_drop: false }`
[INFO] [stdout] f3cab526b33edbeea6fe5fd0ff38e607b56216e54657f7b240cc1d4b0a74e638