[INFO] cloning repository https://github.com/ponchione/udemy_rust_datastructs_and_algos
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ponchione/udemy_rust_datastructs_and_algos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fponchione%2Fudemy_rust_datastructs_and_algos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fponchione%2Fudemy_rust_datastructs_and_algos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b3ef9b1ccb9175c01196b24d8d2938c6d510b75d
[INFO] checking ponchione/udemy_rust_datastructs_and_algos against master#18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb for pr-96970
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fponchione%2Fudemy_rust_datastructs_and_algos" "/workspace/builds/worker-79/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-79/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ponchione/udemy_rust_datastructs_and_algos on toolchain 18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ponchione/udemy_rust_datastructs_and_algos
[INFO] finished tweaking git repo https://github.com/ponchione/udemy_rust_datastructs_and_algos
[INFO] tweaked toml for git repo https://github.com/ponchione/udemy_rust_datastructs_and_algos written to /workspace/builds/worker-79/source/Cargo.toml
[INFO] crate git repo https://github.com/ponchione/udemy_rust_datastructs_and_algos already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "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-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb3f778439878ccc32319727d04fbd2c5597f52164b60ed6f4697ce5a4fadab2
[INFO] running `Command { std: "docker" "start" "-a" "bb3f778439878ccc32319727d04fbd2c5597f52164b60ed6f4697ce5a4fadab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb3f778439878ccc32319727d04fbd2c5597f52164b60ed6f4697ce5a4fadab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb3f778439878ccc32319727d04fbd2c5597f52164b60ed6f4697ce5a4fadab2", kill_on_drop: false }`
[INFO] [stdout] bb3f778439878ccc32319727d04fbd2c5597f52164b60ed6f4697ce5a4fadab2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90c571bc0d8b25d285f0856819d0fae293df36d33ec59ffdb5aa6b165ca99adf
[INFO] running `Command { std: "docker" "start" "-a" "90c571bc0d8b25d285f0856819d0fae293df36d33ec59ffdb5aa6b165ca99adf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking udemy_rust_datastructs_and_algos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.34s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "90c571bc0d8b25d285f0856819d0fae293df36d33ec59ffdb5aa6b165ca99adf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90c571bc0d8b25d285f0856819d0fae293df36d33ec59ffdb5aa6b165ca99adf", kill_on_drop: false }`
[INFO] [stdout] 90c571bc0d8b25d285f0856819d0fae293df36d33ec59ffdb5aa6b165ca99adf