[INFO] cloning repository https://github.com/methu-ship/Merkle_Proof
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/methu-ship/Merkle_Proof" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmethu-ship%2FMerkle_Proof", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmethu-ship%2FMerkle_Proof'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 266431ccd70320f8f10b6d73a696d7b51e2db827
[INFO] checking methu-ship/Merkle_Proof against e4d5758286bf2cf6f415802f2cf861747a7c6c8c for pr-152972
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmethu-ship%2FMerkle_Proof" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/methu-ship/Merkle_Proof
[INFO] finished tweaking git repo https://github.com/methu-ship/Merkle_Proof
[INFO] tweaked toml for git repo https://github.com/methu-ship/Merkle_Proof written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/methu-ship/Merkle_Proof on toolchain e4d5758286bf2cf6f415802f2cf861747a7c6c8c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e4d5758286bf2cf6f415802f2cf861747a7c6c8c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/methu-ship/Merkle_Proof 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" "+e4d5758286bf2cf6f415802f2cf861747a7c6c8c" "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
[INFO] checking methu-ship/Merkle_Proof against e4d5758286bf2cf6f415802f2cf861747a7c6c8c for pr-152972
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmethu-ship%2FMerkle_Proof" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/methu-ship/Merkle_Proof
[INFO] finished tweaking git repo https://github.com/methu-ship/Merkle_Proof
[INFO] tweaked toml for git repo https://github.com/methu-ship/Merkle_Proof written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/methu-ship/Merkle_Proof on toolchain e4d5758286bf2cf6f415802f2cf861747a7c6c8c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e4d5758286bf2cf6f415802f2cf861747a7c6c8c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/methu-ship/Merkle_Proof 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" "+e4d5758286bf2cf6f415802f2cf861747a7c6c8c" "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-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 2e9983a091fbe62ea9457e59c2ea1e741981fff649d764f7da50706cb0486c3f
[INFO] running `Command { std: "docker" "start" "2e9983a091fbe62ea9457e59c2ea1e741981fff649d764f7da50706cb0486c3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e9983a091fbe62ea9457e59c2ea1e741981fff649d764f7da50706cb0486c3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2e9983a091fbe62ea9457e59c2ea1e741981fff649d764f7da50706cb0486c3f" "/opt/rustwide/cargo-home/bin/cargo" "+e4d5758286bf2cf6f415802f2cf861747a7c6c8c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e9983a091fbe62ea9457e59c2ea1e741981fff649d764f7da50706cb0486c3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2e9983a091fbe62ea9457e59c2ea1e741981fff649d764f7da50706cb0486c3f" "/opt/rustwide/cargo-home/bin/cargo" "+e4d5758286bf2cf6f415802f2cf861747a7c6c8c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking Merkle_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "2e9983a091fbe62ea9457e59c2ea1e741981fff649d764f7da50706cb0486c3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e9983a091fbe62ea9457e59c2ea1e741981fff649d764f7da50706cb0486c3f", kill_on_drop: false }`
[INFO] [stdout] 2e9983a091fbe62ea9457e59c2ea1e741981fff649d764f7da50706cb0486c3f
