[INFO] cloning repository https://github.com/swilk19/pna-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/swilk19/pna-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswilk19%2Fpna-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswilk19%2Fpna-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b90b40447e13edb485e30fb689a83ab952fb3ed0
[INFO] documenting swilk19/pna-rust against try#a394c9cd9ec93787f09a7ac445b14cc674a94549 for pr-151918
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswilk19%2Fpna-rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/swilk19/pna-rust
[INFO] finished tweaking git repo https://github.com/swilk19/pna-rust
[INFO] tweaked toml for git repo https://github.com/swilk19/pna-rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/swilk19/pna-rust on toolchain a394c9cd9ec93787f09a7ac445b14cc674a94549
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/swilk19/pna-rust 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" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "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
[ERROR] error running command: no output for 300 seconds
[INFO] documenting swilk19/pna-rust against try#a394c9cd9ec93787f09a7ac445b14cc674a94549 for pr-151918
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswilk19%2Fpna-rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/swilk19/pna-rust
[INFO] finished tweaking git repo https://github.com/swilk19/pna-rust
[INFO] tweaked toml for git repo https://github.com/swilk19/pna-rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/swilk19/pna-rust on toolchain a394c9cd9ec93787f09a7ac445b14cc674a94549
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/swilk19/pna-rust 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" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "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 predicates v1.0.1
[INFO] [stderr]   Downloaded pkg-config v0.3.16
[INFO] [stderr]   Downloaded normalize-line-endings v0.2.2
[INFO] [stderr]   Downloaded float-cmp v0.4.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.1
[INFO] [stderr]   Downloaded serde_derive v1.0.99
[INFO] [stderr]   Downloaded serde v1.0.99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27db2277f958182217926d22c253d4fdc55ea3f5a6d7ee513d0e2b9191cb8b3c
[INFO] running `Command { std: "docker" "start" "-a" "27db2277f958182217926d22c253d4fdc55ea3f5a6d7ee513d0e2b9191cb8b3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27db2277f958182217926d22c253d4fdc55ea3f5a6d7ee513d0e2b9191cb8b3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27db2277f958182217926d22c253d4fdc55ea3f5a6d7ee513d0e2b9191cb8b3c", kill_on_drop: false }`
[INFO] [stdout] 27db2277f958182217926d22c253d4fdc55ea3f5a6d7ee513d0e2b9191cb8b3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5899e58279281ac2c0adb54e1010f74ad983ee47a4f91142ea827465ad8fcbb2
[INFO] running `Command { std: "docker" "start" "-a" "5899e58279281ac2c0adb54e1010f74ad983ee47a4f91142ea827465ad8fcbb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking ucd-util v0.1.5
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]    Compiling libsqlite3-sys v0.12.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking dotenv v0.9.0
[INFO] [stderr]    Compiling diesel_derives v1.4.0
[INFO] [stderr]     Checking diesel v1.4.2
[INFO] [stderr]  Documenting kvs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.50s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/kvs/index.html
[INFO] running `Command { std: "docker" "inspect" "5899e58279281ac2c0adb54e1010f74ad983ee47a4f91142ea827465ad8fcbb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5899e58279281ac2c0adb54e1010f74ad983ee47a4f91142ea827465ad8fcbb2", kill_on_drop: false }`
[INFO] [stdout] 5899e58279281ac2c0adb54e1010f74ad983ee47a4f91142ea827465ad8fcbb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 788caebde85157bb44864fa7910ff6df6e20fb5b4146ee136028ad9b6bd4d8b2
[INFO] running `Command { std: "docker" "start" "-a" "788caebde85157bb44864fa7910ff6df6e20fb5b4146ee136028ad9b6bd4d8b2", kill_on_drop: false }`
[INFO] [stderr]  Documenting kvs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/kvs/index.html
[INFO] running `Command { std: "docker" "inspect" "788caebde85157bb44864fa7910ff6df6e20fb5b4146ee136028ad9b6bd4d8b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "788caebde85157bb44864fa7910ff6df6e20fb5b4146ee136028ad9b6bd4d8b2", kill_on_drop: false }`
[INFO] [stdout] 788caebde85157bb44864fa7910ff6df6e20fb5b4146ee136028ad9b6bd4d8b2