[INFO] cloning repository https://github.com/ryym/rbtags
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ryym/rbtags" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryym%2Frbtags", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryym%2Frbtags'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 22d25486bc2faf2bfd9cc16bfe0d826c0aff9e9a
[INFO] checking ryym/rbtags against try#50f413885985a8b0a0b6ca0766a0aedd45304953 for pr-155657
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryym%2Frbtags" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ryym/rbtags
[INFO] finished tweaking git repo https://github.com/ryym/rbtags
[INFO] tweaked toml for git repo https://github.com/ryym/rbtags written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ryym/rbtags on toolchain 50f413885985a8b0a0b6ca0766a0aedd45304953
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ryym/rbtags 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" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking ryym/rbtags against try#50f413885985a8b0a0b6ca0766a0aedd45304953 for pr-155657
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryym%2Frbtags" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ryym/rbtags
[INFO] finished tweaking git repo https://github.com/ryym/rbtags
[INFO] tweaked toml for git repo https://github.com/ryym/rbtags written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ryym/rbtags on toolchain 50f413885985a8b0a0b6ca0766a0aedd45304953
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ryym/rbtags 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" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "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 lsp-server v0.7.9
[INFO] [stderr]   Downloaded ruby-prism v1.9.0
[INFO] [stderr]   Downloaded ruby-prism-sys v1.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f24f6483beddc03c1a0b2cfb3429df533072e1457ea8b8c9b9ac9f443d6fd7e9
[INFO] running `Command { std: "docker" "start" "-a" "f24f6483beddc03c1a0b2cfb3429df533072e1457ea8b8c9b9ac9f443d6fd7e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f24f6483beddc03c1a0b2cfb3429df533072e1457ea8b8c9b9ac9f443d6fd7e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f24f6483beddc03c1a0b2cfb3429df533072e1457ea8b8c9b9ac9f443d6fd7e9", kill_on_drop: false }`
[INFO] [stdout] f24f6483beddc03c1a0b2cfb3429df533072e1457ea8b8c9b9ac9f443d6fd7e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 451a5f61a6551a3dcc9c4a488167249a37fa0635c51fc37a14145197fac99a35
[INFO] running `Command { std: "docker" "start" "-a" "451a5f61a6551a3dcc9c4a488167249a37fa0635c51fc37a14145197fac99a35", kill_on_drop: false }`
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling bindgen v0.72.1
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking fluent-uri v0.1.4
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde_repr v0.1.20
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking lsp-types v0.97.0
[INFO] [stderr]     Checking lsp-server v0.7.9
[INFO] [stderr]    Compiling ruby-prism v1.9.0
[INFO] [stderr]    Compiling ruby-prism-sys v1.9.0
[INFO] [stderr]     Checking rbtags v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.42s
[INFO] running `Command { std: "docker" "inspect" "451a5f61a6551a3dcc9c4a488167249a37fa0635c51fc37a14145197fac99a35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "451a5f61a6551a3dcc9c4a488167249a37fa0635c51fc37a14145197fac99a35", kill_on_drop: false }`
[INFO] [stdout] 451a5f61a6551a3dcc9c4a488167249a37fa0635c51fc37a14145197fac99a35
