[INFO] cloning repository https://github.com/dropdevrahul/rust-tcp-vm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dropdevrahul/rust-tcp-vm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdropdevrahul%2Frust-tcp-vm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdropdevrahul%2Frust-tcp-vm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f3c60977b3247a91ec68abffaa182d8359aa4202
[INFO] checking dropdevrahul/rust-tcp-vm against master#06194cadcd0948a7100b46737f61e82b8c00d632 for pr-117967-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdropdevrahul%2Frust-tcp-vm" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dropdevrahul/rust-tcp-vm on toolchain 06194cadcd0948a7100b46737f61e82b8c00d632
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+06194cadcd0948a7100b46737f61e82b8c00d632" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dropdevrahul/rust-tcp-vm
[INFO] finished tweaking git repo https://github.com/dropdevrahul/rust-tcp-vm
[INFO] tweaked toml for git repo https://github.com/dropdevrahul/rust-tcp-vm written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dropdevrahul/rust-tcp-vm 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" "+06194cadcd0948a7100b46737f61e82b8c00d632" "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 dropdevrahul/rust-tcp-vm against try#6e8eb3d1ba265821f8cc640134ce012d1ff211d8 for pr-117967-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdropdevrahul%2Frust-tcp-vm" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dropdevrahul/rust-tcp-vm on toolchain 6e8eb3d1ba265821f8cc640134ce012d1ff211d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6e8eb3d1ba265821f8cc640134ce012d1ff211d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dropdevrahul/rust-tcp-vm
[INFO] finished tweaking git repo https://github.com/dropdevrahul/rust-tcp-vm
[INFO] tweaked toml for git repo https://github.com/dropdevrahul/rust-tcp-vm written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dropdevrahul/rust-tcp-vm 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" "+6e8eb3d1ba265821f8cc640134ce012d1ff211d8" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+6e8eb3d1ba265821f8cc640134ce012d1ff211d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3072fac6a79e19e3bf936a9f42d704d6d5d7d2e370c027cbbc03717417777c3a
[INFO] running `Command { std: "docker" "start" "-a" "3072fac6a79e19e3bf936a9f42d704d6d5d7d2e370c027cbbc03717417777c3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3072fac6a79e19e3bf936a9f42d704d6d5d7d2e370c027cbbc03717417777c3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3072fac6a79e19e3bf936a9f42d704d6d5d7d2e370c027cbbc03717417777c3a", kill_on_drop: false }`
[INFO] [stdout] 3072fac6a79e19e3bf936a9f42d704d6d5d7d2e370c027cbbc03717417777c3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+6e8eb3d1ba265821f8cc640134ce012d1ff211d8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22ac3531b0ecdf4fe8a08c9850d6df1174918cd9d1980a2f151f7c300990fe2c
[INFO] running `Command { std: "docker" "start" "-a" "22ac3531b0ecdf4fe8a08c9850d6df1174918cd9d1980a2f151f7c300990fe2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking guess_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "22ac3531b0ecdf4fe8a08c9850d6df1174918cd9d1980a2f151f7c300990fe2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22ac3531b0ecdf4fe8a08c9850d6df1174918cd9d1980a2f151f7c300990fe2c", kill_on_drop: false }`
[INFO] [stdout] 22ac3531b0ecdf4fe8a08c9850d6df1174918cd9d1980a2f151f7c300990fe2c