[INFO] fetching crate do-not-use-test-crate-123 0.1.0...
[INFO] building do-not-use-test-crate-123-0.1.0 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate do-not-use-test-crate-123 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate do-not-use-test-crate-123 0.1.0 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate do-not-use-test-crate-123 0.1.0
[INFO] finished tweaking crates.io crate do-not-use-test-crate-123 0.1.0
[INFO] tweaked toml for crates.io crate do-not-use-test-crate-123 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate do-not-use-test-crate-123 0.1.0 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for the requirement `a1 = "^0.1.1"` (locked to 0.1.1)
[INFO] [stderr] candidate versions found which didn't match: 1.0.1, 1.0.0
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `do-not-use-test-crate-123 v0.1.0 (/workspace/builds/worker-7-tc1/source)`


ExecutionFailed(ExitStatus(unix_wait_status(25856)))