[INFO] fetching crate mdx 0.0.4...
[INFO] checking mdx-0.0.4 against master#49b3924bd4a34d3cf9c37b74120fba78d9712ab8 for pr-118247
[INFO] extracting crate mdx 0.0.4 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate mdx 0.0.4 on toolchain 49b3924bd4a34d3cf9c37b74120fba78d9712ab8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+49b3924bd4a34d3cf9c37b74120fba78d9712ab8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mdx 0.0.4
[INFO] finished tweaking crates.io crate mdx 0.0.4
[INFO] tweaked toml for crates.io crate mdx 0.0.4 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate mdx 0.0.4 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" "+49b3924bd4a34d3cf9c37b74120fba78d9712ab8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking mdx-0.0.4 against try#ab2dc84cfc2c30bb279a7cd2bfef172c30260142 for pr-118247
[INFO] extracting crate mdx 0.0.4 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate mdx 0.0.4 on toolchain ab2dc84cfc2c30bb279a7cd2bfef172c30260142
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab2dc84cfc2c30bb279a7cd2bfef172c30260142" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mdx 0.0.4
[INFO] finished tweaking crates.io crate mdx 0.0.4
[INFO] tweaked toml for crates.io crate mdx 0.0.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate mdx 0.0.4 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" "+ab2dc84cfc2c30bb279a7cd2bfef172c30260142" "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]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking mdx-0.0.4 against try#ab2dc84cfc2c30bb279a7cd2bfef172c30260142 for pr-118247
[INFO] extracting crate mdx 0.0.4 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate mdx 0.0.4 on toolchain ab2dc84cfc2c30bb279a7cd2bfef172c30260142
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab2dc84cfc2c30bb279a7cd2bfef172c30260142" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mdx 0.0.4
[INFO] finished tweaking crates.io crate mdx 0.0.4
[INFO] tweaked toml for crates.io crate mdx 0.0.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate mdx 0.0.4 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" "+ab2dc84cfc2c30bb279a7cd2bfef172c30260142" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking mdx-0.0.4 against try#ab2dc84cfc2c30bb279a7cd2bfef172c30260142 for pr-118247
[INFO] extracting crate mdx 0.0.4 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate mdx 0.0.4 on toolchain ab2dc84cfc2c30bb279a7cd2bfef172c30260142
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab2dc84cfc2c30bb279a7cd2bfef172c30260142" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mdx 0.0.4
[INFO] finished tweaking crates.io crate mdx 0.0.4
[INFO] tweaked toml for crates.io crate mdx 0.0.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate mdx 0.0.4 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" "+ab2dc84cfc2c30bb279a7cd2bfef172c30260142" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking mdx-0.0.4 against try#ab2dc84cfc2c30bb279a7cd2bfef172c30260142 for pr-118247
[INFO] extracting crate mdx 0.0.4 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate mdx 0.0.4 on toolchain ab2dc84cfc2c30bb279a7cd2bfef172c30260142
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab2dc84cfc2c30bb279a7cd2bfef172c30260142" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mdx 0.0.4
[INFO] finished tweaking crates.io crate mdx 0.0.4
[INFO] tweaked toml for crates.io crate mdx 0.0.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate mdx 0.0.4 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" "+ab2dc84cfc2c30bb279a7cd2bfef172c30260142" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking mdx-0.0.4 against try#ab2dc84cfc2c30bb279a7cd2bfef172c30260142 for pr-118247
[INFO] extracting crate mdx 0.0.4 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate mdx 0.0.4 on toolchain ab2dc84cfc2c30bb279a7cd2bfef172c30260142
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab2dc84cfc2c30bb279a7cd2bfef172c30260142" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mdx 0.0.4
[INFO] finished tweaking crates.io crate mdx 0.0.4
[INFO] tweaked toml for crates.io crate mdx 0.0.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate mdx 0.0.4 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" "+ab2dc84cfc2c30bb279a7cd2bfef172c30260142" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.