[INFO] fetching crate loader-rs 0.7.0... [INFO] checking loader-rs-0.7.0 against master#d49be02cf6d2e2a01264fcdef1e20c826710c0f5 for pr-133570-1 [INFO] extracting crate loader-rs 0.7.0 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate loader-rs 0.7.0 on toolchain d49be02cf6d2e2a01264fcdef1e20c826710c0f5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d49be02cf6d2e2a01264fcdef1e20c826710c0f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain [INFO] started tweaking crates.io crate loader-rs 0.7.0 [INFO] finished tweaking crates.io crate loader-rs 0.7.0 [INFO] tweaked toml for crates.io crate loader-rs 0.7.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d49be02cf6d2e2a01264fcdef1e20c826710c0f5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 231 packages to latest compatible versions [INFO] [stderr] Adding mockito v0.32.5 (available: v1.6.1) [INFO] [stderr] Adding reqwest v0.10.10 (available: v0.12.9) [INFO] [stderr] Adding test-case v1.2.3 (available: v3.3.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d49be02cf6d2e2a01264fcdef1e20c826710c0f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] error: failed to select a version for the requirement `json-trait-rs = "^0"` (locked to 0.11.0) [INFO] [stderr] candidate versions found which didn't match: 0.3.0, 0.2.0, 0.1.0 [INFO] [stderr] location searched: crates.io index [INFO] [stderr] required by package `loader-rs v0.7.0 (/workspace/builds/worker-0-tc1/source)` ExecutionFailed(ExitStatus(unix_wait_status(25856)))