[INFO] fetching crate supra 0.0.1...
[INFO] checking supra-0.0.1 against master#ff0b4b6091a75ad840035a991426c8bc9fbd93bb for pr-117673
[INFO] extracting crate supra 0.0.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate supra 0.0.1 on toolchain ff0b4b6091a75ad840035a991426c8bc9fbd93bb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff0b4b6091a75ad840035a991426c8bc9fbd93bb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate supra 0.0.1
[INFO] finished tweaking crates.io crate supra 0.0.1
[INFO] tweaked toml for crates.io crate supra 0.0.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff0b4b6091a75ad840035a991426c8bc9fbd93bb" "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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff0b4b6091a75ad840035a991426c8bc9fbd93bb" "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 supra-0.0.1 against try#9ee647322baa27cc6bb1a95b4595bad94b334fcf for pr-117673
[INFO] extracting crate supra 0.0.1 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate supra 0.0.1 on toolchain 9ee647322baa27cc6bb1a95b4595bad94b334fcf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9ee647322baa27cc6bb1a95b4595bad94b334fcf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate supra 0.0.1
[INFO] finished tweaking crates.io crate supra 0.0.1
[INFO] tweaked toml for crates.io crate supra 0.0.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9ee647322baa27cc6bb1a95b4595bad94b334fcf" "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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9ee647322baa27cc6bb1a95b4595bad94b334fcf" "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
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0c7e0e8312ad82a1bed3696438480b7da990d348377d3754e1cd95b06a8a36c7" "/opt/rustwide/cargo-home/bin/cargo" "+9ee647322baa27cc6bb1a95b4595bad94b334fcf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4fde5dbf1616829ea5f9aeab03ef28985400b8de07c8cd0cffc8d523b1152c05
[INFO] running `Command { std: "docker" "start" "-a" "4fde5dbf1616829ea5f9aeab03ef28985400b8de07c8cd0cffc8d523b1152c05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fde5dbf1616829ea5f9aeab03ef28985400b8de07c8cd0cffc8d523b1152c05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fde5dbf1616829ea5f9aeab03ef28985400b8de07c8cd0cffc8d523b1152c05", kill_on_drop: false }`
[INFO] [stdout] 4fde5dbf1616829ea5f9aeab03ef28985400b8de07c8cd0cffc8d523b1152c05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0c7e0e8312ad82a1bed3696438480b7da990d348377d3754e1cd95b06a8a36c7" "/opt/rustwide/cargo-home/bin/cargo" "+9ee647322baa27cc6bb1a95b4595bad94b334fcf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52a98a363683c5cddd1a358e47afafd68ae2a590f5c4bb049b55c484743037af
[INFO] running `Command { std: "docker" "start" "-a" "52a98a363683c5cddd1a358e47afafd68ae2a590f5c4bb049b55c484743037af", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling async-trait v0.1.74
[INFO] [stderr]     Checking supra v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.54s
[INFO] running `Command { std: "docker" "inspect" "52a98a363683c5cddd1a358e47afafd68ae2a590f5c4bb049b55c484743037af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52a98a363683c5cddd1a358e47afafd68ae2a590f5c4bb049b55c484743037af", kill_on_drop: false }`
[INFO] [stdout] 52a98a363683c5cddd1a358e47afafd68ae2a590f5c4bb049b55c484743037af