[INFO] cloning repository https://github.com/yyklll/skeleton [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yyklll/skeleton" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyyklll%2Fskeleton", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyyklll%2Fskeleton'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 24eb82d118ce76281e35ed6f7deb89f355e4d8b3 [INFO] documenting yyklll/skeleton against beta-2020-08-29 for beta-1.47-rustdoc-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyyklll%2Fskeleton" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/yyklll/skeleton on toolchain beta-2020-08-29 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/yyklll/skeleton [INFO] finished tweaking git repo https://github.com/yyklll/skeleton [INFO] tweaked toml for git repo https://github.com/yyklll/skeleton written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/yyklll/skeleton already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded iovec v0.1.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "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] 7c1edffadfedad9407e17d5d9c089814f06e4165d68a616b5251572966b6395b [INFO] running `Command { std: "docker" "start" "-a" "7c1edffadfedad9407e17d5d9c089814f06e4165d68a616b5251572966b6395b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7c1edffadfedad9407e17d5d9c089814f06e4165d68a616b5251572966b6395b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c1edffadfedad9407e17d5d9c089814f06e4165d68a616b5251572966b6395b", kill_on_drop: false }` [INFO] [stdout] 7c1edffadfedad9407e17d5d9c089814f06e4165d68a616b5251572966b6395b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3ecf673871b458c0a33036f574199d1ddd47e6e2a819a18c6e93dfd7b3dfede3 [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" "3ecf673871b458c0a33036f574199d1ddd47e6e2a819a18c6e93dfd7b3dfede3", kill_on_drop: false }` [INFO] [stderr] Checking rust-ini v0.13.0 [INFO] [stderr] Checking serde_test v0.8.23 [INFO] [stderr] Checking arrayvec v0.4.11 [INFO] [stderr] Checking iovec v0.1.3 [INFO] [stderr] Checking nom v4.2.3 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Checking serde v1.0.101 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Checking linked-hash-map v0.3.0 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking tokio-serde v0.3.0 [INFO] [stderr] Checking serde-hjson v0.8.2 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking tokio-threadpool v0.1.16 [INFO] [stderr] Checking rayon-core v1.6.0 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking tokio-reactor v0.1.10 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking rayon v1.2.0 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking tokio-fs v0.1.6 [INFO] [stderr] Checking tokio-uds v0.2.5 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio-udp v0.1.5 [INFO] [stderr] Checking structopt v0.2.18 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking serde_json v1.0.41 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Checking tokio-serde-json v0.2.0 [INFO] [stderr] Checking config v0.9.3 [INFO] [stderr] Checking skeleton v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Documenting skeleton v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/engine/mod.rs:11:40 [INFO] [stdout] | [INFO] [stdout] 11 | fn command1(&self, arg1: u32) -> Box + Send>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future + Send` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/engine/mod.rs:14:51 [INFO] [stdout] | [INFO] [stdout] 14 | fn command2(&self, arg1: u32, arg2: u32) -> Box + Send>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future + Send` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/engine/mod.rs:31:40 [INFO] [stdout] | [INFO] [stdout] 31 | fn command1(&self, arg1: u32) -> Box + Send> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future + Send` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/engine/mod.rs:45:51 [INFO] [stdout] | [INFO] [stdout] 45 | fn command2(&self, arg1: u32, arg2: u32) -> Box + Send> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future + Send` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 22.97s [INFO] running `Command { std: "docker" "inspect" "3ecf673871b458c0a33036f574199d1ddd47e6e2a819a18c6e93dfd7b3dfede3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ecf673871b458c0a33036f574199d1ddd47e6e2a819a18c6e93dfd7b3dfede3", kill_on_drop: false }` [INFO] [stdout] 3ecf673871b458c0a33036f574199d1ddd47e6e2a819a18c6e93dfd7b3dfede3