[INFO] updating cached repository https://github.com/erikjohnston/matrix-introspection
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f536fc064475f223ad9b54ef362a01c369a85633
[INFO] documenting erikjohnston/matrix-introspection against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferikjohnston%2Fmatrix-introspection" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/erikjohnston/matrix-introspection 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 git repo https://github.com/erikjohnston/matrix-introspection
[INFO] finished tweaking git repo https://github.com/erikjohnston/matrix-introspection
[INFO] tweaked toml for git repo https://github.com/erikjohnston/matrix-introspection written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/erikjohnston/matrix-introspection already has a lockfile, it will not be regenerated
[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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stdout] ac12e82e34e042c17f879313160a666094c42ccdeb62a8de1fd9c5a5e86a1d97
[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" "ac12e82e34e042c17f879313160a666094c42ccdeb62a8de1fd9c5a5e86a1d97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac12e82e34e042c17f879313160a666094c42ccdeb62a8de1fd9c5a5e86a1d97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac12e82e34e042c17f879313160a666094c42ccdeb62a8de1fd9c5a5e86a1d97", kill_on_drop: false }`
[INFO] [stdout] ac12e82e34e042c17f879313160a666094c42ccdeb62a8de1fd9c5a5e86a1d97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 736bdda1dd839026ccc494cd85831e547df05264442921a213cba24ca5756720
[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" "736bdda1dd839026ccc494cd85831e547df05264442921a213cba24ca5756720", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]     Checking unicode-normalization v0.1.4
[INFO] [stderr]     Checking siphasher v0.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]     Checking md5 v0.3.3
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking rustc-serialize v0.3.23
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking linked-hash-map v0.2.1
[INFO] [stderr]     Checking dtoa v0.4.1
[INFO] [stderr]     Checking route-recognizer v0.1.11
[INFO] [stderr]     Checking itoa v0.3.1
[INFO] [stderr]     Checking bitflags v0.8.0
[INFO] [stderr]     Checking serde v0.9.11
[INFO] [stderr]     Checking unicode-segmentation v1.1.0
[INFO] [stderr]     Checking quick-error v1.1.0
[INFO] [stderr]     Checking unicode-bidi v0.2.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling hyper v0.10.5
[INFO] [stderr]     Checking phf_shared v0.7.21
[INFO] [stderr]    Compiling syn v0.11.9
[INFO] [stderr]     Checking lru-cache v0.1.0
[INFO] [stderr]     Checking phf v0.7.21
[INFO] [stderr]    Compiling libsqlite3-sys v0.9.3
[INFO] [stderr]     Checking time v0.1.36
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking num_cpus v1.3.0
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking term_size v0.2.3
[INFO] [stderr]     Checking clap v2.21.1
[INFO] [stderr]     Checking postgres-protocol v0.2.1
[INFO] [stderr]     Checking idna v0.1.0
[INFO] [stderr]     Checking postgres-shared v0.2.0
[INFO] [stderr]     Checking rusqlite v0.14.0
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.1
[INFO] [stderr]     Checking postgres v0.14.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling serde_derive v0.9.11
[INFO] [stderr]     Checking serde_json v0.9.9
[INFO] [stderr]     Checking hyper-router v0.1.0 (https://github.com/erikjohnston/rust-hyper-router#dc1f32b2)
[INFO] [stderr]  Documenting matrix_introspection v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.81s
[INFO] running `Command { std: "docker" "inspect" "736bdda1dd839026ccc494cd85831e547df05264442921a213cba24ca5756720", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "736bdda1dd839026ccc494cd85831e547df05264442921a213cba24ca5756720", kill_on_drop: false }`
[INFO] [stdout] 736bdda1dd839026ccc494cd85831e547df05264442921a213cba24ca5756720