[INFO] updating cached repository https://github.com/Kixunil/debcrafter
[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] f0fade5880014e0ce65d28f8d77dde44b7d4d308
[INFO] documenting Kixunil/debcrafter against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKixunil%2Fdebcrafter" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kixunil/debcrafter 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/Kixunil/debcrafter
[INFO] finished tweaking git repo https://github.com/Kixunil/debcrafter
[INFO] tweaked toml for git repo https://github.com/Kixunil/debcrafter written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/Kixunil/debcrafter 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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 45df53095ff61cc565b6cc13fdf6b8f793158d66813b8e234b567ecb4deda715
[INFO] running `Command { std: "docker" "start" "-a" "45df53095ff61cc565b6cc13fdf6b8f793158d66813b8e234b567ecb4deda715", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45df53095ff61cc565b6cc13fdf6b8f793158d66813b8e234b567ecb4deda715", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45df53095ff61cc565b6cc13fdf6b8f793158d66813b8e234b567ecb4deda715", kill_on_drop: false }`
[INFO] [stdout] 45df53095ff61cc565b6cc13fdf6b8f793158d66813b8e234b567ecb4deda715
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] af40cc7380b5ad806f5f38c4715ee8921f56bcae3fa502c7117c46ad04306153
[INFO] running `Command { std: "docker" "start" "-a" "af40cc7380b5ad806f5f38c4715ee8921f56bcae3fa502c7117c46ad04306153", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking debcrafter v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting debcrafter v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `var_spec`
[INFO] [stdout]    --> src/postinst.rs:282:27
[INFO] [stdout]     |
[INFO] [stdout] 282 |                 for (var, var_spec) in ivars {
[INFO] [stdout]     |                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_var_spec`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `previous` is never read
[INFO] [stdout]    --> src/postinst.rs:376:21
[INFO] [stdout]     |
[INFO] [stdout] 376 |                 let mut previous = Some(compute_structure("", &STUPID_HACK));
[INFO] [stdout]     |                     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conf_name`
[INFO] [stdout]    --> src/postinst.rs:507:14
[INFO] [stdout]     |
[INFO] [stdout] 507 |         for (conf_name, config) in package.config() {
[INFO] [stdout]     |              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conf_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/postinst.rs:226:18
[INFO] [stdout]     |
[INFO] [stdout] 226 |     fn eq(&self, other: &WriteVar<'a, I>) -> bool {
[INFO] [stdout]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:88:25
[INFO] [stdout]    |
[INFO] [stdout] 88 |                     let mut deps = deps.as_mut().map(|deps| &mut **deps);
[INFO] [stdout]    |                         ----^^^^
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.54s
[INFO] running `Command { std: "docker" "inspect" "af40cc7380b5ad806f5f38c4715ee8921f56bcae3fa502c7117c46ad04306153", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af40cc7380b5ad806f5f38c4715ee8921f56bcae3fa502c7117c46ad04306153", kill_on_drop: false }`
[INFO] [stdout] af40cc7380b5ad806f5f38c4715ee8921f56bcae3fa502c7117c46ad04306153