[INFO] crate difference_engine 0.1.0 is already in cache
[INFO] documenting difference_engine-0.1.0 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate difference_engine 0.1.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate difference_engine 0.1.0 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 crates.io crate difference_engine 0.1.0
[INFO] finished tweaking crates.io crate difference_engine 0.1.0
[INFO] tweaked toml for crates.io crate difference_engine 0.1.0 written to /workspace/builds/worker-11/source/Cargo.toml
[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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 8d5a8fa371dc790dfafc82b8a80c2bec8efb5483fb33128e59f7e56ecc6d8544
[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" "8d5a8fa371dc790dfafc82b8a80c2bec8efb5483fb33128e59f7e56ecc6d8544", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d5a8fa371dc790dfafc82b8a80c2bec8efb5483fb33128e59f7e56ecc6d8544", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d5a8fa371dc790dfafc82b8a80c2bec8efb5483fb33128e59f7e56ecc6d8544", kill_on_drop: false }`
[INFO] [stdout] 8d5a8fa371dc790dfafc82b8a80c2bec8efb5483fb33128e59f7e56ecc6d8544
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] af2e7c60aef7f5d7163fd3d248c1806f601b9e6b09b3c1ab061b78389380c8b9
[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" "af2e7c60aef7f5d7163fd3d248c1806f601b9e6b09b3c1ab061b78389380c8b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling dtoa v0.2.2
[INFO] [stderr]    Compiling serde v0.8.23
[INFO] [stderr]    Compiling itoa v0.1.1
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]     Checking strsim v0.4.1
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking ansi_term v0.7.5
[INFO] [stderr]     Checking itertools v0.4.19
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking colored v1.2.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking clap v2.5.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling target_build_utils v0.1.2
[INFO] [stderr]    Compiling serde_json v0.8.6
[INFO] [stderr]    Compiling libloading v0.2.4
[INFO] [stderr]     Checking difference_engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting difference_engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/language.rs:84:17
[INFO] [stdout]    |
[INFO] [stdout] 84 |   metadata: Box<Any>,
[INFO] [stdout]    |                 ^^^ help: use `dyn`: `dyn Any`
[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/language.rs:90:21
[INFO] [stdout]    |
[INFO] [stdout] 90 |       let data: Box<Any>;
[INFO] [stdout]    |                     ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/language.rs:91:58
[INFO] [stdout]    |
[INFO] [stdout] 91 |       if let Ok(raw_fn) = unsafe { lib.get::<fn() -> Box<Any>>(b"deng_plugin_initialize") } {
[INFO] [stdout]    |                                                          ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/language.rs:103:53
[INFO] [stdout]     |
[INFO] [stdout] 103 |     if let Ok(raw_fn) = unsafe { self.lib.get::<fn(&Any)>(b"deng_plugin_deinitialize") } {
[INFO] [stdout]     |                                                     ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/language.rs:111:28
[INFO] [stdout]     |
[INFO] [stdout] 111 |     let raw_fn: Symbol<fn(&Any) -> String> = unsafe { self.lib.get(b"deng_plugin_name") }.expect("error in loading raw plugin");
[INFO] [stdout]     |                            ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/language.rs:116:28
[INFO] [stdout]     |
[INFO] [stdout] 116 |     let raw_fn: Symbol<fn(&Any) -> String> = unsafe { self.lib.get(b"deng_plugin_description") }.expect("error in loading raw plugin");
[INFO] [stdout]     |                            ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/language.rs:123:28
[INFO] [stdout]     |
[INFO] [stdout] 123 |     let raw_fn: Symbol<fn(&Any, &str, &str) -> Vec<(String, Provenance)>> = unsafe { self.lib.get(b"deng_plugin_diff") }
[INFO] [stdout]     |                            ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/presentation.rs:82:17
[INFO] [stdout]    |
[INFO] [stdout] 82 |   metadata: Box<Any>,
[INFO] [stdout]    |                 ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/presentation.rs:88:21
[INFO] [stdout]    |
[INFO] [stdout] 88 |       let data: Box<Any>;
[INFO] [stdout]    |                     ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/presentation.rs:89:58
[INFO] [stdout]    |
[INFO] [stdout] 89 |       if let Ok(raw_fn) = unsafe { lib.get::<fn() -> Box<Any>>(b"deng_plugin_initialize") } {
[INFO] [stdout]    |                                                          ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/presentation.rs:101:53
[INFO] [stdout]     |
[INFO] [stdout] 101 |     if let Ok(raw_fn) = unsafe { self.lib.get::<fn(&Any)>(b"deng_plugin_deinitialize") } {
[INFO] [stdout]     |                                                     ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/presentation.rs:109:28
[INFO] [stdout]     |
[INFO] [stdout] 109 |     let raw_fn: Symbol<fn(&Any) -> String> = unsafe { self.lib.get(b"deng_plugin_name") }.expect("error in loading raw plugin");
[INFO] [stdout]     |                            ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/presentation.rs:114:28
[INFO] [stdout]     |
[INFO] [stdout] 114 |     let raw_fn: Symbol<fn(&Any) -> String> = unsafe { self.lib.get(b"deng_plugin_description") }.expect("error in loading raw plugin");
[INFO] [stdout]     |                            ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/presentation.rs:121:28
[INFO] [stdout]     |
[INFO] [stdout] 121 |     let raw_fn: Symbol<fn(&Any, &[(String, Provenance)])> = unsafe { self.lib.get(b"deng_plugin_present") }
[INFO] [stdout]     |                            ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.45s
[INFO] running `Command { std: "docker" "inspect" "af2e7c60aef7f5d7163fd3d248c1806f601b9e6b09b3c1ab061b78389380c8b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af2e7c60aef7f5d7163fd3d248c1806f601b9e6b09b3c1ab061b78389380c8b9", kill_on_drop: false }`
[INFO] [stdout] af2e7c60aef7f5d7163fd3d248c1806f601b9e6b09b3c1ab061b78389380c8b9