[INFO] cloning repository https://github.com/iThinkyouknow/rust-web-crawler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iThinkyouknow/rust-web-crawler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiThinkyouknow%2Frust-web-crawler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiThinkyouknow%2Frust-web-crawler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 558649b67a64eb1331a6c1dc6fd1567126b6d410
[INFO] checking iThinkyouknow/rust-web-crawler against master#2ad4eb207b369017f5140918b5e4b0d3650b46b0 for pr-95611
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiThinkyouknow%2Frust-web-crawler" "/workspace/builds/worker-41/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-41/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iThinkyouknow/rust-web-crawler on toolchain 2ad4eb207b369017f5140918b5e4b0d3650b46b0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad4eb207b369017f5140918b5e4b0d3650b46b0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iThinkyouknow/rust-web-crawler
[INFO] finished tweaking git repo https://github.com/iThinkyouknow/rust-web-crawler
[INFO] tweaked toml for git repo https://github.com/iThinkyouknow/rust-web-crawler written to /workspace/builds/worker-41/source/Cargo.toml
[INFO] crate git repo https://github.com/iThinkyouknow/rust-web-crawler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad4eb207b369017f5140918b5e4b0d3650b46b0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand v0.3.22
[INFO] [stderr]   Downloaded unicase v1.4.2
[INFO] [stderr]   Downloaded url v1.7.1
[INFO] [stderr]   Downloaded unicode-normalization v0.1.7
[INFO] [stderr]   Downloaded unicode-bidi v0.3.4
[INFO] [stderr]   Downloaded byteorder v1.2.3
[INFO] [stderr]   Downloaded debug_unreachable v0.1.1
[INFO] [stderr]   Downloaded utf-8 v0.7.2
[INFO] [stderr]   Downloaded tendril v0.4.0
[INFO] [stderr]   Downloaded proc-macro2 v0.3.8
[INFO] [stderr]   Downloaded log v0.4.3
[INFO] [stderr]   Downloaded rustc-serialize v0.3.24
[INFO] [stderr]   Downloaded string_cache_codegen v0.4.1
[INFO] [stderr]   Downloaded new_debug_unreachable v1.0.1
[INFO] [stderr]   Downloaded string_cache v0.6.2
[INFO] [stderr]   Downloaded phf_generator v0.7.22
[INFO] [stderr]   Downloaded phf_shared v0.7.22
[INFO] [stderr]   Downloaded quote v0.3.15
[INFO] [stderr]   Downloaded siphasher v0.2.2
[INFO] [stderr]   Downloaded quote v0.5.2
[INFO] [stderr]   Downloaded phf v0.7.22
[INFO] [stderr]   Downloaded unreachable v0.1.1
[INFO] [stderr]   Downloaded hyper v0.10.13
[INFO] [stderr]   Downloaded bitflags v1.0.3
[INFO] [stderr]   Downloaded lazy_static v0.2.11
[INFO] [stderr]   Downloaded matches v0.1.7
[INFO] [stderr]   Downloaded phf_codegen v0.7.22
[INFO] [stderr]   Downloaded synom v0.11.3
[INFO] [stderr]   Downloaded string_cache_shared v0.3.0
[INFO] [stderr]   Downloaded syn v0.11.11
[INFO] [stderr]   Downloaded base64 v0.6.0
[INFO] [stderr]   Downloaded unicode-xid v0.0.4
[INFO] [stderr]   Downloaded httparse v1.3.2
[INFO] [stderr]   Downloaded version_check v0.1.4
[INFO] [stderr]   Downloaded uuid v0.1.18
[INFO] [stderr]   Downloaded futf v0.1.4
[INFO] [stderr]   Downloaded html5ever v0.21.0
[INFO] [stderr]   Downloaded url v0.2.38
[INFO] [stderr]   Downloaded log v0.3.9
[INFO] [stderr]   Downloaded rand v0.4.2
[INFO] [stderr]   Downloaded markup5ever v0.6.2
[INFO] [stderr]   Downloaded precomputed-hash v0.1.1
[INFO] [stderr]   Downloaded mac v0.1.1
[INFO] [stderr]   Downloaded safemem v0.2.0
[INFO] [stderr]   Downloaded language-tags v0.2.2
[INFO] [stderr]   Downloaded cfg-if v0.1.4
[INFO] [stderr]   Downloaded mime v0.2.6
[INFO] [stderr]   Downloaded traitobject v0.1.0
[INFO] [stderr]   Downloaded typeable v0.1.2
[INFO] [stderr]   Downloaded num_cpus v1.8.0
[INFO] [stderr]   Downloaded idna v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+2ad4eb207b369017f5140918b5e4b0d3650b46b0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b30fda516c8ba0eb822576dab649d134d5eee1c64ed23a023bebb7ae0583130
[INFO] running `Command { std: "docker" "start" "-a" "9b30fda516c8ba0eb822576dab649d134d5eee1c64ed23a023bebb7ae0583130", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b30fda516c8ba0eb822576dab649d134d5eee1c64ed23a023bebb7ae0583130", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b30fda516c8ba0eb822576dab649d134d5eee1c64ed23a023bebb7ae0583130", kill_on_drop: false }`
[INFO] [stdout] 9b30fda516c8ba0eb822576dab649d134d5eee1c64ed23a023bebb7ae0583130
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+2ad4eb207b369017f5140918b5e4b0d3650b46b0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a13ec05a15075845a9805f2f96fbcd7f18139c7df0793262c187b56eccbc466
[INFO] running `Command { std: "docker" "start" "-a" "8a13ec05a15075845a9805f2f96fbcd7f18139c7df0793262c187b56eccbc466", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "8a13ec05a15075845a9805f2f96fbcd7f18139c7df0793262c187b56eccbc466", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a13ec05a15075845a9805f2f96fbcd7f18139c7df0793262c187b56eccbc466", kill_on_drop: false }`
[INFO] [stdout] 8a13ec05a15075845a9805f2f96fbcd7f18139c7df0793262c187b56eccbc466