[INFO] fetching crate ref_iter_macro 0.3.1...
[INFO] testing ref_iter_macro-0.3.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate ref_iter_macro 0.3.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate ref_iter_macro 0.3.1
[INFO] finished tweaking crates.io crate ref_iter_macro 0.3.1
[INFO] tweaked toml for crates.io crate ref_iter_macro 0.3.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ref_iter_macro 0.3.1 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ref_iter_macro 0.3.1 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0fe7b4fc96ba2161ffb5b4fc7c6feafcbf39b1cd9c222330dd35e91871f89753
[INFO] running `Command { std: "docker" "start" "-a" "0fe7b4fc96ba2161ffb5b4fc7c6feafcbf39b1cd9c222330dd35e91871f89753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fe7b4fc96ba2161ffb5b4fc7c6feafcbf39b1cd9c222330dd35e91871f89753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fe7b4fc96ba2161ffb5b4fc7c6feafcbf39b1cd9c222330dd35e91871f89753", kill_on_drop: false }`
[INFO] [stdout] 0fe7b4fc96ba2161ffb5b4fc7c6feafcbf39b1cd9c222330dd35e91871f89753
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4854b6fd01dce0bbf50b3f302597c4cd8ba70428f87c3eda18903ed279dfde2d
[INFO] running `Command { std: "docker" "start" "-a" "4854b6fd01dce0bbf50b3f302597c4cd8ba70428f87c3eda18903ed279dfde2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling ref_iter_macro v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.41s
[INFO] running `Command { std: "docker" "inspect" "4854b6fd01dce0bbf50b3f302597c4cd8ba70428f87c3eda18903ed279dfde2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4854b6fd01dce0bbf50b3f302597c4cd8ba70428f87c3eda18903ed279dfde2d", kill_on_drop: false }`
[INFO] [stdout] 4854b6fd01dce0bbf50b3f302597c4cd8ba70428f87c3eda18903ed279dfde2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a8cacf22004dfdd3a43a8710e975c7ed405607ef0a56d24e510f4fed8653d5d
[INFO] running `Command { std: "docker" "start" "-a" "1a8cacf22004dfdd3a43a8710e975c7ed405607ef0a56d24e510f4fed8653d5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling ref_iter_macro v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "1a8cacf22004dfdd3a43a8710e975c7ed405607ef0a56d24e510f4fed8653d5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a8cacf22004dfdd3a43a8710e975c7ed405607ef0a56d24e510f4fed8653d5d", kill_on_drop: false }`
[INFO] [stdout] 1a8cacf22004dfdd3a43a8710e975c7ed405607ef0a56d24e510f4fed8653d5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 373389a29773ad0430752514785f6fa3ff936280d9ce11da1df4286ab24e4efc
[INFO] running `Command { std: "docker" "start" "-a" "373389a29773ad0430752514785f6fa3ff936280d9ce11da1df4286ab24e4efc", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ref_iter_macro-c2d0f4bf94b0dbfd)
[INFO] [stderr]    Doc-tests ref_iter_macro
[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" "373389a29773ad0430752514785f6fa3ff936280d9ce11da1df4286ab24e4efc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "373389a29773ad0430752514785f6fa3ff936280d9ce11da1df4286ab24e4efc", kill_on_drop: false }`
[INFO] [stdout] 373389a29773ad0430752514785f6fa3ff936280d9ce11da1df4286ab24e4efc
