[INFO] fetching crate diffusion 0.8.2...
[INFO] documenting diffusion-0.8.2 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate diffusion 0.8.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate diffusion 0.8.2 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 crates.io crate diffusion 0.8.2
[INFO] finished tweaking crates.io crate diffusion 0.8.2
[INFO] tweaked toml for crates.io crate diffusion 0.8.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] 09f1b8cb05e89d28e5d1216e44c02a9ffeb609a7f139d1c9ab18b16ed4cdb77c
[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" "09f1b8cb05e89d28e5d1216e44c02a9ffeb609a7f139d1c9ab18b16ed4cdb77c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09f1b8cb05e89d28e5d1216e44c02a9ffeb609a7f139d1c9ab18b16ed4cdb77c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09f1b8cb05e89d28e5d1216e44c02a9ffeb609a7f139d1c9ab18b16ed4cdb77c", kill_on_drop: false }`
[INFO] [stdout] 09f1b8cb05e89d28e5d1216e44c02a9ffeb609a7f139d1c9ab18b16ed4cdb77c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 9e249a6732306019b7249e4a2b822048039dfe01fa4aab8b22d3eec371e25f33
[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" "9e249a6732306019b7249e4a2b822048039dfe01fa4aab8b22d3eec371e25f33", kill_on_drop: false }`
[INFO] [stderr]     Checking diffusion v0.8.2 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting diffusion v0.8.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/file.rs:25:27
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let read_length = try!(file.read(&mut header));
[INFO] [stdout]    |                           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/file.rs:119:12
[INFO] [stdout]     |
[INFO] [stdout] 119 |         if try!(file.write(FILE_HEADER)) == FILE_HEADER.len() {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/file.rs:133:9
[INFO] [stdout]     |
[INFO] [stdout] 133 |         try!(self.file.write_all(slice));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/file.rs:135:13
[INFO] [stdout]     |
[INFO] [stdout] 135 |             try!(self.file.write_all(buf));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/multicast.rs:18:22
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let socket = try!(UdpSocket::bind(&addr));
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/multicast.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         try!(self.socket.send_to(buf, &self.multicast_addr));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/multicast.rs:45:22
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let socket = try!(UdpSocket::bind(&addr));
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/multicast.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         try!(socket.join_multicast_v4(&addr.ip(), &Ipv4Addr::new(0u8, 0u8, 0u8, 0u8)));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/multicast.rs:56:27
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let (length, _) = try!(self.socket.recv_from(&mut self.buf));
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file.rs:39:26
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn read_exact(read: &mut Read, mut buf: &mut [u8]) -> result::Result<(), ReadExactError> {
[INFO] [stdout]    |                          ^^^^ help: use `dyn`: `dyn Read`
[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/lib.rs:50:32
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `net2::UdpSocketExt`
[INFO] [stdout]  --> src/multicast.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use net2::UdpSocketExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.59s
[INFO] running `Command { std: "docker" "inspect" "9e249a6732306019b7249e4a2b822048039dfe01fa4aab8b22d3eec371e25f33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e249a6732306019b7249e4a2b822048039dfe01fa4aab8b22d3eec371e25f33", kill_on_drop: false }`
[INFO] [stdout] 9e249a6732306019b7249e4a2b822048039dfe01fa4aab8b22d3eec371e25f33