[INFO] fetching crate routeros_rust 0.0.21...
[INFO] crate routeros_rust 0.0.21 is already in cache
[INFO] crate routeros_rust 0.0.21 is already in cache
[INFO] crate routeros_rust 0.0.21 is already in cache
[INFO] crate routeros_rust 0.0.21 is already in cache
[INFO] crate routeros_rust 0.0.21 is already in cache
[INFO] crate routeros_rust 0.0.21 is already in cache
[INFO] crate routeros_rust 0.0.21 is already in cache
[INFO] crate routeros_rust 0.0.21 is already in cache
[INFO] crate routeros_rust 0.0.21 is already in cache
[INFO] crate routeros_rust 0.0.21 is already in cache
[INFO] crate routeros_rust 0.0.21 is already in cache
[INFO] crate routeros_rust 0.0.21 is already in cache
[INFO] crate routeros_rust 0.0.21 is already in cache
[INFO] crate routeros_rust 0.0.21 is already in cache
[INFO] checking routeros_rust-0.0.21 against master#21de280cccb4eb02ead6bf0af40e2355a9136d6f for pr-100043
[INFO] extracting crate routeros_rust 0.0.21 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate routeros_rust 0.0.21 on toolchain 21de280cccb4eb02ead6bf0af40e2355a9136d6f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+21de280cccb4eb02ead6bf0af40e2355a9136d6f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate routeros_rust 0.0.21
[INFO] finished tweaking crates.io crate routeros_rust 0.0.21
[INFO] tweaked toml for crates.io crate routeros_rust 0.0.21 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+21de280cccb4eb02ead6bf0af40e2355a9136d6f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+21de280cccb4eb02ead6bf0af40e2355a9136d6f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+21de280cccb4eb02ead6bf0af40e2355a9136d6f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eff4132c7736cef357890989e6b048341271486ac6420de5de6bd49850d71554
[INFO] running `Command { std: "docker" "start" "-a" "eff4132c7736cef357890989e6b048341271486ac6420de5de6bd49850d71554", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eff4132c7736cef357890989e6b048341271486ac6420de5de6bd49850d71554", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eff4132c7736cef357890989e6b048341271486ac6420de5de6bd49850d71554", kill_on_drop: false }`
[INFO] [stdout] eff4132c7736cef357890989e6b048341271486ac6420de5de6bd49850d71554
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+21de280cccb4eb02ead6bf0af40e2355a9136d6f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92c2ce1ff374d5e9dffbf9432193b91c0a6d1fcae90697272c387f433fc34cc1
[INFO] running `Command { std: "docker" "start" "-a" "92c2ce1ff374d5e9dffbf9432193b91c0a6d1fcae90697272c387f433fc34cc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.127
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking routeros_rust v0.0.21 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.54s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "92c2ce1ff374d5e9dffbf9432193b91c0a6d1fcae90697272c387f433fc34cc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92c2ce1ff374d5e9dffbf9432193b91c0a6d1fcae90697272c387f433fc34cc1", kill_on_drop: false }`
[INFO] [stdout] 92c2ce1ff374d5e9dffbf9432193b91c0a6d1fcae90697272c387f433fc34cc1