[INFO] fetching crate xtask-toolkit 0.1.12...
[INFO] testing xtask-toolkit-0.1.12 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate xtask-toolkit 0.1.12 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate xtask-toolkit 0.1.12
[INFO] finished tweaking crates.io crate xtask-toolkit 0.1.12
[INFO] tweaked toml for crates.io crate xtask-toolkit 0.1.12 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate xtask-toolkit 0.1.12 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate xtask-toolkit 0.1.12 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbc79b5468c779eb7aaf0ec921f8803f782d916f3da291c57aa8fd14e516a4d0
[INFO] running `Command { std: "docker" "start" "-a" "cbc79b5468c779eb7aaf0ec921f8803f782d916f3da291c57aa8fd14e516a4d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbc79b5468c779eb7aaf0ec921f8803f782d916f3da291c57aa8fd14e516a4d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbc79b5468c779eb7aaf0ec921f8803f782d916f3da291c57aa8fd14e516a4d0", kill_on_drop: false }`
[INFO] [stdout] cbc79b5468c779eb7aaf0ec921f8803f782d916f3da291c57aa8fd14e516a4d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 724baa2568e5f3f9cd9cf813deda680bb225964692061ca8d25392e0875c5515
[INFO] running `Command { std: "docker" "start" "-a" "724baa2568e5f3f9cd9cf813deda680bb225964692061ca8d25392e0875c5515", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.103
[INFO] [stderr]    Compiling xshell-macros v0.2.7
[INFO] [stderr]    Compiling xshell v0.2.7
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling xtask-toolkit v0.1.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.78s
[INFO] running `Command { std: "docker" "inspect" "724baa2568e5f3f9cd9cf813deda680bb225964692061ca8d25392e0875c5515", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "724baa2568e5f3f9cd9cf813deda680bb225964692061ca8d25392e0875c5515", kill_on_drop: false }`
[INFO] [stdout] 724baa2568e5f3f9cd9cf813deda680bb225964692061ca8d25392e0875c5515
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c4a6a3838ce382f3c93a42acf6a4e2674a2501e63170158866e001d660e5c27
[INFO] running `Command { std: "docker" "start" "-a" "7c4a6a3838ce382f3c93a42acf6a4e2674a2501e63170158866e001d660e5c27", kill_on_drop: false }`
[INFO] [stderr]    Compiling xtask-toolkit v0.1.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "7c4a6a3838ce382f3c93a42acf6a4e2674a2501e63170158866e001d660e5c27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c4a6a3838ce382f3c93a42acf6a4e2674a2501e63170158866e001d660e5c27", kill_on_drop: false }`
[INFO] [stdout] 7c4a6a3838ce382f3c93a42acf6a4e2674a2501e63170158866e001d660e5c27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ea1a0a75258c55230431140ddb627c6bd67258d017e7232d07a2779220c2cafd
[INFO] running `Command { std: "docker" "start" "-a" "ea1a0a75258c55230431140ddb627c6bd67258d017e7232d07a2779220c2cafd", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/xtask_toolkit-2a1be27e6f46f3ea)
[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] [stderr]    Doc-tests xtask_toolkit
[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" "ea1a0a75258c55230431140ddb627c6bd67258d017e7232d07a2779220c2cafd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea1a0a75258c55230431140ddb627c6bd67258d017e7232d07a2779220c2cafd", kill_on_drop: false }`
[INFO] [stdout] ea1a0a75258c55230431140ddb627c6bd67258d017e7232d07a2779220c2cafd