[INFO] updating cached repository https://github.com/mverleg/prover
[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] 5f42a6f9fed24c439c53dcbbfa59ceba5b44361e
[INFO] documenting mverleg/prover against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmverleg%2Fprover" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mverleg/prover on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mverleg/prover
[INFO] finished tweaking git repo https://github.com/mverleg/prover
[INFO] tweaked toml for git repo https://github.com/mverleg/prover written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/mverleg/prover already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05f58f15cac5a1cd0d6844a817ecc90a230f98a19c23c85c3d2d5c8673f31d1f
[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" "05f58f15cac5a1cd0d6844a817ecc90a230f98a19c23c85c3d2d5c8673f31d1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05f58f15cac5a1cd0d6844a817ecc90a230f98a19c23c85c3d2d5c8673f31d1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05f58f15cac5a1cd0d6844a817ecc90a230f98a19c23c85c3d2d5c8673f31d1f", kill_on_drop: false }`
[INFO] [stdout] 05f58f15cac5a1cd0d6844a817ecc90a230f98a19c23c85c3d2d5c8673f31d1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41f9de36684428476fa6d42895703fb96b48ad6eb829071d08262f266392eb47
[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" "41f9de36684428476fa6d42895703fb96b48ad6eb829071d08262f266392eb47", kill_on_drop: false }`
[INFO] [stderr]  Documenting bound_prover v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0038]: the trait `num::Num` cannot be made into an object
[INFO] [stdout]    --> src/logic/mod.rs:14:13
[INFO] [stdout]     |
[INFO] [stdout] 14  |     Num(&'a Num<T>),
[INFO] [stdout]     |             ^^^^^^ the trait `num::Num` cannot be made into an object
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/num/mod.rs:6:50
[INFO] [stdout]     |
[INFO] [stdout] 6   | pub trait Num<T>: Difficulty + Display + Clone + PartialEq + Eq + Hash where T: Nr {
[INFO] [stdout]     |           ---                                    --------- ...because it uses `Self` as a type parameter in this
[INFO] [stdout]     |           |
[INFO] [stdout]     |           this trait cannot be made into an object...
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0038`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `bound_prover`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name bound_prover src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "41f9de36684428476fa6d42895703fb96b48ad6eb829071d08262f266392eb47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41f9de36684428476fa6d42895703fb96b48ad6eb829071d08262f266392eb47", kill_on_drop: false }`
[INFO] [stdout] 41f9de36684428476fa6d42895703fb96b48ad6eb829071d08262f266392eb47