[INFO] cloning repository https://github.com/killercup/rust-proc-macro-test-linking-error
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/killercup/rust-proc-macro-test-linking-error" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkillercup%2Frust-proc-macro-test-linking-error", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkillercup%2Frust-proc-macro-test-linking-error'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c3fc7c16a245e6162fc0eb75ca170150242d6518
[INFO] documenting killercup/rust-proc-macro-test-linking-error against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkillercup%2Frust-proc-macro-test-linking-error" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/killercup/rust-proc-macro-test-linking-error on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/killercup/rust-proc-macro-test-linking-error
[INFO] finished tweaking git repo https://github.com/killercup/rust-proc-macro-test-linking-error
[INFO] tweaked toml for git repo https://github.com/killercup/rust-proc-macro-test-linking-error written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/killercup/rust-proc-macro-test-linking-error already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 27fa27a9b015ba158ef1c2abe93c83e5f7175b22aaeec4c0b2ad76d2297c65b2
[INFO] running `Command { std: "docker" "start" "-a" "27fa27a9b015ba158ef1c2abe93c83e5f7175b22aaeec4c0b2ad76d2297c65b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27fa27a9b015ba158ef1c2abe93c83e5f7175b22aaeec4c0b2ad76d2297c65b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27fa27a9b015ba158ef1c2abe93c83e5f7175b22aaeec4c0b2ad76d2297c65b2", kill_on_drop: false }`
[INFO] [stdout] 27fa27a9b015ba158ef1c2abe93c83e5f7175b22aaeec4c0b2ad76d2297c65b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 21e0b73b635538b50f031ec3fbaf608b8111d09fc8a4df333e5e6b78b4e7f40a
[INFO] running `Command { std: "docker" "start" "-a" "21e0b73b635538b50f031ec3fbaf608b8111d09fc8a4df333e5e6b78b4e7f40a", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex v1.1.7
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.7
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]  Documenting le-proc-macro v0.1.0 (/opt/rustwide/workdir/le-proc-macro)
[INFO] [stderr]    Compiling le-proc-macro v0.1.0 (/opt/rustwide/workdir/le-proc-macro)
[INFO] [stdout] warning: unused import: `regex::Regex`
[INFO] [stdout]  --> le-proc-macro/src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use regex::Regex;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting le-lib-crate v0.1.0 (/opt/rustwide/workdir/le-main-crate)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.17s
[INFO] running `Command { std: "docker" "inspect" "21e0b73b635538b50f031ec3fbaf608b8111d09fc8a4df333e5e6b78b4e7f40a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21e0b73b635538b50f031ec3fbaf608b8111d09fc8a4df333e5e6b78b4e7f40a", kill_on_drop: false }`
[INFO] [stdout] 21e0b73b635538b50f031ec3fbaf608b8111d09fc8a4df333e5e6b78b4e7f40a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b5165079cb289235063f6d71669dff1e84e20c642924f7ab886f4f49a2833d10
[INFO] running `Command { std: "docker" "start" "-a" "b5165079cb289235063f6d71669dff1e84e20c642924f7ab886f4f49a2833d10", 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" "b5165079cb289235063f6d71669dff1e84e20c642924f7ab886f4f49a2833d10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5165079cb289235063f6d71669dff1e84e20c642924f7ab886f4f49a2833d10", kill_on_drop: false }`
[INFO] [stdout] b5165079cb289235063f6d71669dff1e84e20c642924f7ab886f4f49a2833d10