[INFO] fetching crate bearer 0.2.3...
[INFO] documenting bearer-0.2.3 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate bearer 0.2.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate bearer 0.2.3 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bearer 0.2.3
[INFO] finished tweaking crates.io crate bearer 0.2.3
[INFO] tweaked toml for crates.io crate bearer 0.2.3 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "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] 0cdf5ff8d94a47aa0401bc4365f5a5aa8e905ca15bbabb184da6ed828bfa0839
[INFO] running `Command { std: "docker" "start" "-a" "0cdf5ff8d94a47aa0401bc4365f5a5aa8e905ca15bbabb184da6ed828bfa0839", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0cdf5ff8d94a47aa0401bc4365f5a5aa8e905ca15bbabb184da6ed828bfa0839", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cdf5ff8d94a47aa0401bc4365f5a5aa8e905ca15bbabb184da6ed828bfa0839", kill_on_drop: false }`
[INFO] [stdout] 0cdf5ff8d94a47aa0401bc4365f5a5aa8e905ca15bbabb184da6ed828bfa0839
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2060f9b9e55c4baa7e3ab4e8cd68d6caf0922b3266d1e94672cd58d5c059ca33
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2060f9b9e55c4baa7e3ab4e8cd68d6caf0922b3266d1e94672cd58d5c059ca33", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking serde v0.9.15
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking tilde-expand v0.1.1
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking chrono v0.3.0
[INFO] [stderr]    Compiling serde_derive v0.9.15
[INFO] [stderr]     Checking webpki v0.18.1
[INFO] [stderr]     Checking sct v0.3.0
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking serde_json v0.9.10
[INFO] [stderr]     Checking toml v0.3.2
[INFO] [stderr]     Checking rustls v0.12.0
[INFO] [stderr]     Checking webpki-roots v0.14.0
[INFO] [stderr]     Checking pretty_env_logger v0.1.1
[INFO] [stderr]     Checking cabot v0.1.4
[INFO] [stderr]  Documenting bearer v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.69s
[INFO] running `Command { std: "docker" "inspect" "2060f9b9e55c4baa7e3ab4e8cd68d6caf0922b3266d1e94672cd58d5c059ca33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2060f9b9e55c4baa7e3ab4e8cd68d6caf0922b3266d1e94672cd58d5c059ca33", kill_on_drop: false }`
[INFO] [stdout] 2060f9b9e55c4baa7e3ab4e8cd68d6caf0922b3266d1e94672cd58d5c059ca33