[INFO] cloning repository https://github.com/segfaultsourcery/buffin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/segfaultsourcery/buffin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsegfaultsourcery%2Fbuffin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsegfaultsourcery%2Fbuffin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3a33ce5bf76cba2af0807d72c5fe52d22ce7e4b8
[INFO] documenting segfaultsourcery/buffin against da3f5c31e5535b3dc210067de660a45784ae1e9c for pr-162169
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsegfaultsourcery%2Fbuffin" "/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/segfaultsourcery/buffin
[INFO] finished tweaking git repo https://github.com/segfaultsourcery/buffin
[INFO] tweaked toml for git repo https://github.com/segfaultsourcery/buffin written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/segfaultsourcery/buffin on toolchain da3f5c31e5535b3dc210067de660a45784ae1e9c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+da3f5c31e5535b3dc210067de660a45784ae1e9c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/segfaultsourcery/buffin 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" "+da3f5c31e5535b3dc210067de660a45784ae1e9c" "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 segfaultsourcery/buffin against da3f5c31e5535b3dc210067de660a45784ae1e9c for pr-162169
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsegfaultsourcery%2Fbuffin" "/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/segfaultsourcery/buffin
[INFO] finished tweaking git repo https://github.com/segfaultsourcery/buffin
[INFO] tweaked toml for git repo https://github.com/segfaultsourcery/buffin written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/segfaultsourcery/buffin on toolchain da3f5c31e5535b3dc210067de660a45784ae1e9c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+da3f5c31e5535b3dc210067de660a45784ae1e9c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/segfaultsourcery/buffin 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" "+da3f5c31e5535b3dc210067de660a45784ae1e9c" "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-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 9cb4dcb2c5bfc8fc4c9c4b8bed9b3c431c2da78970a1aaa715ee9bec19fb25c4
[INFO] running `Command { std: "docker" "start" "9cb4dcb2c5bfc8fc4c9c4b8bed9b3c431c2da78970a1aaa715ee9bec19fb25c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9cb4dcb2c5bfc8fc4c9c4b8bed9b3c431c2da78970a1aaa715ee9bec19fb25c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9cb4dcb2c5bfc8fc4c9c4b8bed9b3c431c2da78970a1aaa715ee9bec19fb25c4" "/opt/rustwide/cargo-home/bin/cargo" "+da3f5c31e5535b3dc210067de660a45784ae1e9c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9cb4dcb2c5bfc8fc4c9c4b8bed9b3c431c2da78970a1aaa715ee9bec19fb25c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9cb4dcb2c5bfc8fc4c9c4b8bed9b3c431c2da78970a1aaa715ee9bec19fb25c4" "/opt/rustwide/cargo-home/bin/cargo" "+da3f5c31e5535b3dc210067de660a45784ae1e9c" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.22
[INFO] [stderr]     Checking indenter v0.3.4
[INFO] [stderr]     Checking nom v8.0.0
[INFO] [stderr]    Compiling syn v2.0.109
[INFO] [stderr]     Checking eyre v0.6.12
[INFO] [stderr]     Checking proc-macro2 v1.0.103
[INFO] [stderr]     Checking quote v1.0.42
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking buffin v0.1.3 (/opt/rustwide/workdir/buffin)
[INFO] [stderr]  Documenting buffin v0.1.3 (/opt/rustwide/workdir/buffin)
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> buffin/src/basic_types.rs:233:21
[INFO] [stdout]     |
[INFO] [stdout] 233 |             None => bail!("invalid path"),
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: `#[warn(semicolon_in_expressions_from_non_local_macros)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `bail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting buffin_derive v0.1.3 (/opt/rustwide/workdir/buffin_derive)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.39s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: buffin v0.1.3 (/opt/rustwide/workdir/buffin)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/buffin/index.html and 1 other file
[INFO] running `Command { std: "docker" "inspect" "9cb4dcb2c5bfc8fc4c9c4b8bed9b3c431c2da78970a1aaa715ee9bec19fb25c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9cb4dcb2c5bfc8fc4c9c4b8bed9b3c431c2da78970a1aaa715ee9bec19fb25c4" "/opt/rustwide/cargo-home/bin/cargo" "+da3f5c31e5535b3dc210067de660a45784ae1e9c" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] error: manifest path `/opt/rustwide/workdir/Cargo.toml` is a virtual manifest, but this command requires running against an actual package in this workspace
[INFO] running `Command { std: "docker" "inspect" "9cb4dcb2c5bfc8fc4c9c4b8bed9b3c431c2da78970a1aaa715ee9bec19fb25c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cb4dcb2c5bfc8fc4c9c4b8bed9b3c431c2da78970a1aaa715ee9bec19fb25c4", kill_on_drop: false }`
[INFO] [stdout] 9cb4dcb2c5bfc8fc4c9c4b8bed9b3c431c2da78970a1aaa715ee9bec19fb25c4
