[INFO] updating cached repository https://github.com/andres-pipicello/mIRCo
[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] 0c0a126fd90987aacab6a08e5fcd7b948f0f8d1b
[INFO] documenting andres-pipicello/mIRCo against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandres-pipicello%2FmIRCo" "/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/andres-pipicello/mIRCo 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/andres-pipicello/mIRCo
[INFO] finished tweaking git repo https://github.com/andres-pipicello/mIRCo
[INFO] tweaked toml for git repo https://github.com/andres-pipicello/mIRCo written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/andres-pipicello/mIRCo 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-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" "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] 620e35e4d1b5f83a4215ce88efd1ea4e7a5e7e8399ce9bfb1bed07c4ac1e655e
[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" "620e35e4d1b5f83a4215ce88efd1ea4e7a5e7e8399ce9bfb1bed07c4ac1e655e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "620e35e4d1b5f83a4215ce88efd1ea4e7a5e7e8399ce9bfb1bed07c4ac1e655e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "620e35e4d1b5f83a4215ce88efd1ea4e7a5e7e8399ce9bfb1bed07c4ac1e655e", kill_on_drop: false }`
[INFO] [stdout] 620e35e4d1b5f83a4215ce88efd1ea4e7a5e7e8399ce9bfb1bed07c4ac1e655e
[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" "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] 4f6e794b601a2f0187c996a5f797609460219b74b3973592a5bc58dd0387efa5
[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" "4f6e794b601a2f0187c996a5f797609460219b74b3973592a5bc58dd0387efa5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]     Checking utf8-ranges v1.0.3
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking ansi-escapes v0.1.0
[INFO] [stderr]     Checking strum v0.15.0
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.7.4
[INFO] [stderr]     Checking crossterm_utils v0.2.4
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking socket2 v0.3.10
[INFO] [stderr]     Checking termion v1.5.3
[INFO] [stderr]     Checking terminal_size v0.1.8
[INFO] [stderr]     Checking crossterm_screen v0.2.4
[INFO] [stderr]     Checking crossterm_cursor v0.2.5
[INFO] [stderr]     Checking crossterm_style v0.3.3
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking crossterm_input v0.3.8
[INFO] [stderr]     Checking dns-lookup v1.0.1
[INFO] [stderr]     Checking regex v1.2.0
[INFO] [stderr]     Checking crossterm_terminal v0.2.5
[INFO] [stderr]     Checking crossterm v0.9.6
[INFO] [stderr]    Compiling strum_macros v0.15.0
[INFO] [stderr]     Checking rustyline v5.0.0
[INFO] [stderr]  Documenting mirco v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.07s
[INFO] running `Command { std: "docker" "inspect" "4f6e794b601a2f0187c996a5f797609460219b74b3973592a5bc58dd0387efa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f6e794b601a2f0187c996a5f797609460219b74b3973592a5bc58dd0387efa5", kill_on_drop: false }`
[INFO] [stdout] 4f6e794b601a2f0187c996a5f797609460219b74b3973592a5bc58dd0387efa5