[INFO] updating cached repository https://github.com/mimblewimble/grin-wallet
[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] [stderr] From https://github.com/mimblewimble/grin-wallet
[INFO] [stderr]    0fb6770..47e99f5  master     -> master
[INFO] [stderr]  * [new tag]         v4.0.0     -> v4.0.0
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 47e99f56038f5c567a6832654053e82c28f65de9
[INFO] documenting mimblewimble/grin-wallet against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmimblewimble%2Fgrin-wallet" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mimblewimble/grin-wallet on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3/source/.cargo/config
[INFO] started tweaking git repo https://github.com/mimblewimble/grin-wallet
[INFO] removed workspace from git repo https://github.com/mimblewimble/grin-wallet
[INFO] removed path dependency grin_wallet_api from git repo https://github.com/mimblewimble/grin-wallet
[INFO] removed path dependency grin_wallet_config from git repo https://github.com/mimblewimble/grin-wallet
[INFO] removed path dependency grin_wallet_controller from git repo https://github.com/mimblewimble/grin-wallet
[INFO] removed path dependency grin_wallet_impls from git repo https://github.com/mimblewimble/grin-wallet
[INFO] removed path dependency grin_wallet_libwallet from git repo https://github.com/mimblewimble/grin-wallet
[INFO] removed path dependency grin_wallet_util from git repo https://github.com/mimblewimble/grin-wallet
[INFO] finished tweaking git repo https://github.com/mimblewimble/grin-wallet
[INFO] tweaked toml for git repo https://github.com/mimblewimble/grin-wallet written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/mimblewimble/grin-wallet 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] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-3/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[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] [stderr]     Blocking waiting for file lock on package cache
[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] [stdout] 316d41d80acb636b9dfa550cf437e4d633727fdea68e5e07cf164fd09346a124
[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" "316d41d80acb636b9dfa550cf437e4d633727fdea68e5e07cf164fd09346a124", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "316d41d80acb636b9dfa550cf437e4d633727fdea68e5e07cf164fd09346a124", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "316d41d80acb636b9dfa550cf437e4d633727fdea68e5e07cf164fd09346a124", kill_on_drop: false }`
[INFO] [stdout] 316d41d80acb636b9dfa550cf437e4d633727fdea68e5e07cf164fd09346a124
[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] 549c2c8035b519416a89e2f3740689abe21920955fdf720d20f8b17d3408efae
[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" "549c2c8035b519416a89e2f3740689abe21920955fdf720d20f8b17d3408efae", kill_on_drop: false }`
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `grin-wallet` in package `grin_wallet v4.0.0 (/opt/rustwide/workdir)` has the same output filename as the lib target `grin_wallet` in package `grin_wallet v4.0.0 (/opt/rustwide/workdir)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/doc/grin_wallet/index.html
[INFO] [stderr] The output filenames should be unique.
[INFO] [stderr] This is a known bug where multiple crates with the same name use
[INFO] [stderr] the same path; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] If this looks unexpected, it may be a bug in Cargo. Please file a bug report at
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/ with as much information as you
[INFO] [stderr] can provide.
[INFO] [stderr] cargo 1.46.0-nightly (c26576f9a 2020-06-23) running on `x86_64-unknown-linux-gnu` target `x86_64-unknown-linux-gnu`
[INFO] [stderr] First unit: Unit { pkg: Package { id: PackageId { name: "grin_wallet", version: "4.0.0", source: "/opt/rustwide/workdir" }, ..: ".." }, target: TargetInner { name: "grin-wallet", doc: true, ..: with_path("/opt/rustwide/workdir/src/bin/grin-wallet.rs", Edition2018) }, profile: Profile { name: "doc", debuginfo: Some(2), debug_assertions: true, overflow_checks: true, ..: default() }, kind: Host, mode: Doc { deps: false }, features: [] }
[INFO] [stderr] Second unit: Unit { pkg: Package { id: PackageId { name: "grin_wallet", version: "4.0.0", source: "/opt/rustwide/workdir" }, ..: ".." }, target: TargetInner { ..: lib_target("grin_wallet", ["lib"], "/opt/rustwide/workdir/src/lib.rs", Edition2018) }, profile: Profile { name: "doc", debuginfo: Some(2), debug_assertions: true, overflow_checks: true, ..: default() }, kind: Host, mode: Doc { deps: false }, features: [] }
[INFO] [stderr]    Compiling libc v0.2.71
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[INFO] [stderr]  Documenting grin_wallet v4.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6m 15s
[INFO] running `Command { std: "docker" "inspect" "549c2c8035b519416a89e2f3740689abe21920955fdf720d20f8b17d3408efae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "549c2c8035b519416a89e2f3740689abe21920955fdf720d20f8b17d3408efae", kill_on_drop: false }`
[INFO] [stdout] 549c2c8035b519416a89e2f3740689abe21920955fdf720d20f8b17d3408efae