[INFO] fetching crate diffusion 0.8.2...
[INFO] testing diffusion-0.8.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate diffusion 0.8.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate diffusion 0.8.2 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 184e4b68dcc172c64eadd1e7500ffa291edd397255bc0f854b23d9063198066d
[INFO] running `Command { std: "docker" "start" "-a" "184e4b68dcc172c64eadd1e7500ffa291edd397255bc0f854b23d9063198066d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "184e4b68dcc172c64eadd1e7500ffa291edd397255bc0f854b23d9063198066d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "184e4b68dcc172c64eadd1e7500ffa291edd397255bc0f854b23d9063198066d", kill_on_drop: false }`
[INFO] [stdout] 184e4b68dcc172c64eadd1e7500ffa291edd397255bc0f854b23d9063198066d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "RUSTFLAGS=--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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cccf6372573e9d535559701ceeda935178f1989be33d91b57533fb3efbf9ec71
[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" "cccf6372573e9d535559701ceeda935178f1989be33d91b57533fb3efbf9ec71", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 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: 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/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] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/file_reader.rs:11:27
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let input: Option<Box<std::io::Read>> = if args[1] == "-".to_string() {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stdout]  --> src/bin/file_reader.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ascii::AsciiExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stdout]  --> src/bin/file_reader.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ascii::AsciiExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "cccf6372573e9d535559701ceeda935178f1989be33d91b57533fb3efbf9ec71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cccf6372573e9d535559701ceeda935178f1989be33d91b57533fb3efbf9ec71", kill_on_drop: false }`
[INFO] [stdout] cccf6372573e9d535559701ceeda935178f1989be33d91b57533fb3efbf9ec71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "RUSTFLAGS=--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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1dc896fc730fd93462fff4b2a4c4c08184cdce044aa701abdd444dad069895f1
[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" "1dc896fc730fd93462fff4b2a4c4c08184cdce044aa701abdd444dad069895f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 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: 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/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] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/file_reader.rs:11:27
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let input: Option<Box<std::io::Read>> = if args[1] == "-".to_string() {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stdout]  --> src/bin/file_reader.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ascii::AsciiExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stdout]  --> src/bin/file_reader.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ascii::AsciiExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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: 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: 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/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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/file_reader.rs:11:27
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let input: Option<Box<std::io::Read>> = if args[1] == "-".to_string() {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stdout]  --> src/bin/file_reader.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ascii::AsciiExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stdout]  --> src/bin/file_reader.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ascii::AsciiExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.65s
[INFO] running `Command { std: "docker" "inspect" "1dc896fc730fd93462fff4b2a4c4c08184cdce044aa701abdd444dad069895f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dc896fc730fd93462fff4b2a4c4c08184cdce044aa701abdd444dad069895f1", kill_on_drop: false }`
[INFO] [stdout] 1dc896fc730fd93462fff4b2a4c4c08184cdce044aa701abdd444dad069895f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "RUSTFLAGS=--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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1a51e25c4b5f2a9a8e5a0e9e025c0da529fa51d2e29bc654f3eb999cf51ee1ea
[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" "1a51e25c4b5f2a9a8e5a0e9e025c0da529fa51d2e29bc654f3eb999cf51ee1ea", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/file.rs:25:27
[INFO] [stderr]    |
[INFO] [stderr] 25 |         let read_length = try!(file.read(&mut header));
[INFO] [stderr]    |                           ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/file.rs:39:26
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn read_exact(read: &mut Read, mut buf: &mut [u8]) -> result::Result<(), ReadExactError> {
[INFO] [stderr]    |                          ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/file.rs:119:12
[INFO] [stderr]     |
[INFO] [stderr] 119 |         if try!(file.write(FILE_HEADER)) == FILE_HEADER.len() {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/file.rs:133:9
[INFO] [stderr]     |
[INFO] [stderr] 133 |         try!(self.file.write_all(slice));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/file.rs:135:13
[INFO] [stderr]     |
[INFO] [stderr] 135 |             try!(self.file.write_all(buf));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/multicast.rs:18:22
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let socket = try!(UdpSocket::bind(&addr));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/multicast.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |         try!(self.socket.send_to(buf, &self.multicast_addr));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/multicast.rs:45:22
[INFO] [stderr]    |
[INFO] [stderr] 45 |         let socket = try!(UdpSocket::bind(&addr));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/multicast.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |         try!(socket.join_multicast_v4(&addr.ip(), &Ipv4Addr::new(0u8, 0u8, 0u8, 0u8)));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/multicast.rs:56:27
[INFO] [stderr]    |
[INFO] [stderr] 56 |         let (length, _) = try!(self.socket.recv_from(&mut self.buf));
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:50:32
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `net2::UdpSocketExt`
[INFO] [stderr]  --> src/multicast.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use net2::UdpSocketExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/file_reader.rs:11:27
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let input: Option<Box<std::io::Read>> = if args[1] == "-".to_string() {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stderr]  --> src/bin/file_reader.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]  --> src/bin/file_reader.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/file.rs:25:27
[INFO] [stderr]    |
[INFO] [stderr] 25 |         let read_length = try!(file.read(&mut header));
[INFO] [stderr]    |                           ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/file.rs:39:26
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn read_exact(read: &mut Read, mut buf: &mut [u8]) -> result::Result<(), ReadExactError> {
[INFO] [stderr]    |                          ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/file.rs:119:12
[INFO] [stderr]     |
[INFO] [stderr] 119 |         if try!(file.write(FILE_HEADER)) == FILE_HEADER.len() {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/file.rs:133:9
[INFO] [stderr]     |
[INFO] [stderr] 133 |         try!(self.file.write_all(slice));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/file.rs:135:13
[INFO] [stderr]     |
[INFO] [stderr] 135 |             try!(self.file.write_all(buf));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/multicast.rs:18:22
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let socket = try!(UdpSocket::bind(&addr));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/multicast.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |         try!(self.socket.send_to(buf, &self.multicast_addr));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/multicast.rs:45:22
[INFO] [stderr]    |
[INFO] [stderr] 45 |         let socket = try!(UdpSocket::bind(&addr));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/multicast.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |         try!(socket.join_multicast_v4(&addr.ip(), &Ipv4Addr::new(0u8, 0u8, 0u8, 0u8)));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/multicast.rs:56:27
[INFO] [stderr]    |
[INFO] [stderr] 56 |         let (length, _) = try!(self.socket.recv_from(&mut self.buf));
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:50:32
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `net2::UdpSocketExt`
[INFO] [stderr]  --> src/multicast.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use net2::UdpSocketExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/file_reader.rs:11:27
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let input: Option<Box<std::io::Read>> = if args[1] == "-".to_string() {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stderr]  --> src/bin/file_reader.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]  --> src/bin/file_reader.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/diffusion-e824b35dec775ea7
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::reader_return_err_on_corrupted_message_header ... ok
[INFO] [stdout] test tests::reader_return_err_on_corrupted_header ... ok
[INFO] [stdout] test tests::reader_read_one_message ... ok
[INFO] [stdout] test tests::writer_return_err_when_writing_header_with_short_length ... ok
[INFO] [stdout] test tests::reader_return_err_on_truncated_data ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/file_reader-8fd6551d392c4303
[INFO] [stdout] test tests::writer_write_one_message ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/file_writer-3bc199ccf234f19f
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/multicast_reader-b590f535c8764970
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/multicast_writer-cbcc302899a7777e
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/file_test-09d3ae7a6f7be03f
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test multiple_message ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests diffusion
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1a51e25c4b5f2a9a8e5a0e9e025c0da529fa51d2e29bc654f3eb999cf51ee1ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a51e25c4b5f2a9a8e5a0e9e025c0da529fa51d2e29bc654f3eb999cf51ee1ea", kill_on_drop: false }`
[INFO] [stdout] 1a51e25c4b5f2a9a8e5a0e9e025c0da529fa51d2e29bc654f3eb999cf51ee1ea