[INFO] fetching crate krossbar-connect 0.5.3...
[INFO] checking krossbar-connect-0.5.3 against master#667247db71ea18c4130dd018d060e7f09d589490 for pr-140824
[INFO] extracting crate krossbar-connect 0.5.3 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate krossbar-connect 0.5.3 on toolchain 667247db71ea18c4130dd018d060e7f09d589490
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+667247db71ea18c4130dd018d060e7f09d589490" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate krossbar-connect 0.5.3
[INFO] finished tweaking crates.io crate krossbar-connect 0.5.3
[INFO] tweaked toml for crates.io crate krossbar-connect 0.5.3 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate krossbar-connect 0.5.3 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" "+667247db71ea18c4130dd018d060e7f09d589490" "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 `krossbar-common-rpc = "^0.5.4"` (locked to 0.5.4)
[INFO] [stderr] candidate versions found which didn't match: 0.5.1, 0.5.0, 0.4.5, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `krossbar-bus-lib v0.5.5`
[INFO] [stderr]     ... which satisfies dependency `krossbar-bus-lib = "^0.5.5"` (locked to 0.5.5) of package `krossbar-connect v0.5.3 (/workspace/builds/worker-3-tc1/source)`


command failed: exit status: 101

    Blocking waiting for file lock on package cache
    Updating crates.io index
error: failed to select a version for the requirement `krossbar-common-rpc = "^0.5.4"` (locked to 0.5.4)
candidate versions found which didn't match: 0.5.1, 0.5.0, 0.4.5, ...
location searched: crates.io index
required by package `krossbar-bus-lib v0.5.5`
    ... which satisfies dependency `krossbar-bus-lib = "^0.5.5"` (locked to 0.5.5) of package `krossbar-connect v0.5.3 (/workspace/builds/worker-3-tc1/source)`