[INFO] fetching crate tsukuyomi-server 0.2.0...
[INFO] checking tsukuyomi-server-0.2.0 against master#73252d51d13c0e4f872c3c51defcf48174860ef6 for pr-119989
[INFO] extracting crate tsukuyomi-server 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate tsukuyomi-server 0.2.0 on toolchain 73252d51d13c0e4f872c3c51defcf48174860ef6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+73252d51d13c0e4f872c3c51defcf48174860ef6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tsukuyomi-server 0.2.0
[INFO] finished tweaking crates.io crate tsukuyomi-server 0.2.0
[INFO] tweaked toml for crates.io crate tsukuyomi-server 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+73252d51d13c0e4f872c3c51defcf48174860ef6" "generate-lockfile" "--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 `lazy_static`.
[INFO] [stderr]     ... required by package `ring v0.13.5`
[INFO] [stderr]     ... which satisfies dependency `ring = "^0.13.2"` of package `rustls v0.14.0`
[INFO] [stderr]     ... which satisfies dependency `rustls = "^0.14"` of package `tsukuyomi-server v0.2.0 (/workspace/builds/worker-2-tc1/source)`
[INFO] [stderr] versions that meet the requirements `^1.2` are: 1.4.0, 1.3.0, 1.2.0
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages.
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `lazy_static v1.1.0`
[INFO] [stderr]     ... which satisfies dependency `lazy_static = "~1.1"` of package `version-sync v0.6.0`
[INFO] [stderr]     ... which satisfies dependency `version-sync = "^0.6"` of package `tsukuyomi-server v0.2.0 (/workspace/builds/worker-2-tc1/source)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `lazy_static` which could resolve this conflict
[ERROR] this task or one of its parent failed!
[ERROR] command failed: exit status: 101
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.