[INFO] fetching crate zircon 0.1.1...
[INFO] testing zircon-0.1.1 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate zircon 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate zircon 0.1.1 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zircon 0.1.1
[INFO] finished tweaking crates.io crate zircon 0.1.1
[INFO] tweaked toml for crates.io crate zircon 0.1.1 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" "+1871252fc8bb672d40787e67404e6eaae7059369" "generate-lockfile" "--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 `ring = "^0.9.4"`
[INFO] [stderr] candidate versions found which didn't match: 0.17.8, 0.17.7, 0.17.6, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `cookie v0.8.0`
[INFO] [stderr]     ... which satisfies dependency `cookie = "^0.8"` of package `zircon v0.1.1 (/workspace/builds/worker-2-tc1/source)`
[INFO] [stderr] if you are looking for the prerelease package it needs to be specified explicitly
[INFO] [stderr]     ring = { version = "0.17.5-alpha.1" }
[INFO] [stderr] perhaps a crate was updated and forgotten to be re-vendored?
[ERROR] this task or one of its parent failed!
[ERROR] overridden task result to broken:yanked
[ERROR] caused by: the crate depends on yanked dependencies
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] testing zircon-0.1.1 against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] extracting crate zircon 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate zircon 0.1.1 on toolchain b642703cf9526da1e72c0b6755753b939a9c6b6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zircon 0.1.1
[INFO] finished tweaking crates.io crate zircon 0.1.1
[INFO] tweaked toml for crates.io crate zircon 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "generate-lockfile" "--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 `ring = "^0.9.4"`
[INFO] [stderr] candidate versions found which didn't match: 0.17.8, 0.17.7, 0.17.6, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `cookie v0.8.0`
[INFO] [stderr]     ... which satisfies dependency `cookie = "^0.8"` of package `zircon v0.1.1 (/workspace/builds/worker-2-tc2/source)`
[INFO] [stderr] if you are looking for the prerelease package it needs to be specified explicitly
[INFO] [stderr]     ring = { version = "0.17.5-alpha.1" }
[INFO] [stderr] perhaps a crate was updated and forgotten to be re-vendored?
[INFO] testing zircon-0.1.1 against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] extracting crate zircon 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate zircon 0.1.1 on toolchain b642703cf9526da1e72c0b6755753b939a9c6b6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zircon 0.1.1
[INFO] finished tweaking crates.io crate zircon 0.1.1
[INFO] tweaked toml for crates.io crate zircon 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "generate-lockfile" "--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 `ring = "^0.9.4"`
[INFO] [stderr] candidate versions found which didn't match: 0.17.8, 0.17.7, 0.17.6, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `cookie v0.8.0`
[INFO] [stderr]     ... which satisfies dependency `cookie = "^0.8"` of package `zircon v0.1.1 (/workspace/builds/worker-2-tc2/source)`
[INFO] [stderr] if you are looking for the prerelease package it needs to be specified explicitly
[INFO] [stderr]     ring = { version = "0.17.5-alpha.1" }
[INFO] [stderr] perhaps a crate was updated and forgotten to be re-vendored?
[INFO] testing zircon-0.1.1 against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] extracting crate zircon 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate zircon 0.1.1 on toolchain b642703cf9526da1e72c0b6755753b939a9c6b6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zircon 0.1.1
[INFO] finished tweaking crates.io crate zircon 0.1.1
[INFO] tweaked toml for crates.io crate zircon 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "generate-lockfile" "--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 `ring = "^0.9.4"`
[INFO] [stderr] candidate versions found which didn't match: 0.17.8, 0.17.7, 0.17.6, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `cookie v0.8.0`
[INFO] [stderr]     ... which satisfies dependency `cookie = "^0.8"` of package `zircon v0.1.1 (/workspace/builds/worker-2-tc2/source)`
[INFO] [stderr] if you are looking for the prerelease package it needs to be specified explicitly
[INFO] [stderr]     ring = { version = "0.17.5-alpha.1" }
[INFO] [stderr] perhaps a crate was updated and forgotten to be re-vendored?
[INFO] testing zircon-0.1.1 against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] extracting crate zircon 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate zircon 0.1.1 on toolchain b642703cf9526da1e72c0b6755753b939a9c6b6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zircon 0.1.1
[INFO] finished tweaking crates.io crate zircon 0.1.1
[INFO] tweaked toml for crates.io crate zircon 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "generate-lockfile" "--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 `ring = "^0.9.4"`
[INFO] [stderr] candidate versions found which didn't match: 0.17.8, 0.17.7, 0.17.6, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `cookie v0.8.0`
[INFO] [stderr]     ... which satisfies dependency `cookie = "^0.8"` of package `zircon v0.1.1 (/workspace/builds/worker-2-tc2/source)`
[INFO] [stderr] if you are looking for the prerelease package it needs to be specified explicitly
[INFO] [stderr]     ring = { version = "0.17.5-alpha.1" }
[INFO] [stderr] perhaps a crate was updated and forgotten to be re-vendored?
[INFO] testing zircon-0.1.1 against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] extracting crate zircon 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate zircon 0.1.1 on toolchain b642703cf9526da1e72c0b6755753b939a9c6b6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zircon 0.1.1
[INFO] finished tweaking crates.io crate zircon 0.1.1
[INFO] tweaked toml for crates.io crate zircon 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "generate-lockfile" "--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 `ring = "^0.9.4"`
[INFO] [stderr] candidate versions found which didn't match: 0.17.8, 0.17.7, 0.17.6, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `cookie v0.8.0`
[INFO] [stderr]     ... which satisfies dependency `cookie = "^0.8"` of package `zircon v0.1.1 (/workspace/builds/worker-2-tc2/source)`
[INFO] [stderr] if you are looking for the prerelease package it needs to be specified explicitly
[INFO] [stderr]     ring = { version = "0.17.5-alpha.1" }
[INFO] [stderr] perhaps a crate was updated and forgotten to be re-vendored?
[ERROR] this task or one of its parent failed!
[ERROR] overridden task result to broken:yanked
[ERROR] caused by: the crate depends on yanked dependencies
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
