[INFO] fetching crate bencher 0.1.5...
[INFO] testing bencher-0.1.5 against 1.47.0 for beta-1.48-1
[INFO] extracting crate bencher 0.1.5 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate bencher 0.1.5 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bencher 0.1.5
[INFO] finished tweaking crates.io crate bencher 0.1.5
[INFO] tweaked toml for crates.io crate bencher 0.1.5 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3eba868355720d27b4a74f40c5ae798367966a8784c9f7598062b5fb68f6bf40
[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" "3eba868355720d27b4a74f40c5ae798367966a8784c9f7598062b5fb68f6bf40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3eba868355720d27b4a74f40c5ae798367966a8784c9f7598062b5fb68f6bf40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3eba868355720d27b4a74f40c5ae798367966a8784c9f7598062b5fb68f6bf40", kill_on_drop: false }`
[INFO] [stdout] 3eba868355720d27b4a74f40c5ae798367966a8784c9f7598062b5fb68f6bf40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0179b70bda9fe6437caa6fef37e9e586ccdac698f6d2dfd29e7fa83f04bb685
[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" "a0179b70bda9fe6437caa6fef37e9e586ccdac698f6d2dfd29e7fa83f04bb685", kill_on_drop: false }`
[INFO] [stderr]    Compiling bencher v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:220:36
[INFO] [stdout]     |
[INFO] [stdout] 220 |             Some(ref path) => Some(try!(File::create(path))),
[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]    --> lib.rs:254:13
[INFO] [stdout]     |
[INFO] [stdout] 254 |             try!(self.write_pretty(verbose));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:262:17
[INFO] [stdout]     |
[INFO] [stdout] 262 |                 try!(stdout.write_all(word.as_bytes()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:271:17
[INFO] [stdout]     |
[INFO] [stdout] 271 |                 try!(stdout.write_all(s.as_bytes()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:300:17
[INFO] [stdout]     |
[INFO] [stdout] 300 |                 try!(self.write_bench());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:322:9
[INFO] [stdout]     |
[INFO] [stdout] 322 |         try!(self.write_plain("\nfailures:\n"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:335:13
[INFO] [stdout]     |
[INFO] [stdout] 335 |             try!(self.write_plain("\n"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:336:13
[INFO] [stdout]     |
[INFO] [stdout] 336 |             try!(self.write_plain(&fail_out));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:339:9
[INFO] [stdout]     |
[INFO] [stdout] 339 |         try!(self.write_plain("\nfailures:\n"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:342:13
[INFO] [stdout]     |
[INFO] [stdout] 342 |             try!(self.write_plain(&format!("    {}\n", name)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:352:13
[INFO] [stdout]     |
[INFO] [stdout] 352 |             try!(self.write_failures());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:355:9
[INFO] [stdout]     |
[INFO] [stdout] 355 |         try!(self.write_plain("\ntest result: "));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:358:13
[INFO] [stdout]     |
[INFO] [stdout] 358 |             try!(self.write_pretty("ok"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:360:13
[INFO] [stdout]     |
[INFO] [stdout] 360 |             try!(self.write_pretty("FAILED"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:367:9
[INFO] [stdout]     |
[INFO] [stdout] 367 |         try!(self.write_plain(&s));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:421:17
[INFO] [stdout]     |
[INFO] [stdout] 421 |                 try!(st.write_log(&test, &result));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:422:17
[INFO] [stdout]     |
[INFO] [stdout] 422 |                 try!(st.write_result(&result));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:434:18
[INFO] [stdout]     |
[INFO] [stdout] 434 |     let mut st = try!(ConsoleTestState::new(opts));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:444:5
[INFO] [stdout]     |
[INFO] [stdout] 444 |     try!(run_tests(opts, tests, |x| callback(&x, &mut st)));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:503:5
[INFO] [stdout]     |
[INFO] [stdout] 503 |     try!(callback(TeFiltered(filtered_descs)));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:510:9
[INFO] [stdout]     |
[INFO] [stdout] 510 |         try!(callback(TeWait(b.desc.clone(), b.testfn.padding())));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:512:9
[INFO] [stdout]     |
[INFO] [stdout] 512 |         try!(callback(TeResult(test, result, stdout)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> lib.rs:123:20
[INFO] [stdout]     |
[INFO] [stdout] 123 |     DynBenchFn(Box<TDynBenchFn + 'static>),
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TDynBenchFn + 'static`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "a0179b70bda9fe6437caa6fef37e9e586ccdac698f6d2dfd29e7fa83f04bb685", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0179b70bda9fe6437caa6fef37e9e586ccdac698f6d2dfd29e7fa83f04bb685", kill_on_drop: false }`
[INFO] [stdout] a0179b70bda9fe6437caa6fef37e9e586ccdac698f6d2dfd29e7fa83f04bb685
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fe898eb431978007c0bf1b5e800b732c4fbb92bff2b81c477256aaf443662bf
[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" "8fe898eb431978007c0bf1b5e800b732c4fbb92bff2b81c477256aaf443662bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling bencher v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:220:36
[INFO] [stdout]     |
[INFO] [stdout] 220 |             Some(ref path) => Some(try!(File::create(path))),
[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]    --> lib.rs:254:13
[INFO] [stdout]     |
[INFO] [stdout] 254 |             try!(self.write_pretty(verbose));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:262:17
[INFO] [stdout]     |
[INFO] [stdout] 262 |                 try!(stdout.write_all(word.as_bytes()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:271:17
[INFO] [stdout]     |
[INFO] [stdout] 271 |                 try!(stdout.write_all(s.as_bytes()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:300:17
[INFO] [stdout]     |
[INFO] [stdout] 300 |                 try!(self.write_bench());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:322:9
[INFO] [stdout]     |
[INFO] [stdout] 322 |         try!(self.write_plain("\nfailures:\n"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:335:13
[INFO] [stdout]     |
[INFO] [stdout] 335 |             try!(self.write_plain("\n"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:336:13
[INFO] [stdout]     |
[INFO] [stdout] 336 |             try!(self.write_plain(&fail_out));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:339:9
[INFO] [stdout]     |
[INFO] [stdout] 339 |         try!(self.write_plain("\nfailures:\n"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:342:13
[INFO] [stdout]     |
[INFO] [stdout] 342 |             try!(self.write_plain(&format!("    {}\n", name)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:352:13
[INFO] [stdout]     |
[INFO] [stdout] 352 |             try!(self.write_failures());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:355:9
[INFO] [stdout]     |
[INFO] [stdout] 355 |         try!(self.write_plain("\ntest result: "));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:358:13
[INFO] [stdout]     |
[INFO] [stdout] 358 |             try!(self.write_pretty("ok"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:360:13
[INFO] [stdout]     |
[INFO] [stdout] 360 |             try!(self.write_pretty("FAILED"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:367:9
[INFO] [stdout]     |
[INFO] [stdout] 367 |         try!(self.write_plain(&s));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:421:17
[INFO] [stdout]     |
[INFO] [stdout] 421 |                 try!(st.write_log(&test, &result));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:422:17
[INFO] [stdout]     |
[INFO] [stdout] 422 |                 try!(st.write_result(&result));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:434:18
[INFO] [stdout]     |
[INFO] [stdout] 434 |     let mut st = try!(ConsoleTestState::new(opts));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:444:5
[INFO] [stdout]     |
[INFO] [stdout] 444 |     try!(run_tests(opts, tests, |x| callback(&x, &mut st)));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:503:5
[INFO] [stdout]     |
[INFO] [stdout] 503 |     try!(callback(TeFiltered(filtered_descs)));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:510:9
[INFO] [stdout]     |
[INFO] [stdout] 510 |         try!(callback(TeWait(b.desc.clone(), b.testfn.padding())));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:512:9
[INFO] [stdout]     |
[INFO] [stdout] 512 |         try!(callback(TeResult(test, result, stdout)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> lib.rs:123:20
[INFO] [stdout]     |
[INFO] [stdout] 123 |     DynBenchFn(Box<TDynBenchFn + 'static>),
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TDynBenchFn + 'static`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:220:36
[INFO] [stdout]     |
[INFO] [stdout] 220 |             Some(ref path) => Some(try!(File::create(path))),
[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]    --> lib.rs:254:13
[INFO] [stdout]     |
[INFO] [stdout] 254 |             try!(self.write_pretty(verbose));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:262:17
[INFO] [stdout]     |
[INFO] [stdout] 262 |                 try!(stdout.write_all(word.as_bytes()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:271:17
[INFO] [stdout]     |
[INFO] [stdout] 271 |                 try!(stdout.write_all(s.as_bytes()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:300:17
[INFO] [stdout]     |
[INFO] [stdout] 300 |                 try!(self.write_bench());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:322:9
[INFO] [stdout]     |
[INFO] [stdout] 322 |         try!(self.write_plain("\nfailures:\n"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:335:13
[INFO] [stdout]     |
[INFO] [stdout] 335 |             try!(self.write_plain("\n"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:336:13
[INFO] [stdout]     |
[INFO] [stdout] 336 |             try!(self.write_plain(&fail_out));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:339:9
[INFO] [stdout]     |
[INFO] [stdout] 339 |         try!(self.write_plain("\nfailures:\n"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:342:13
[INFO] [stdout]     |
[INFO] [stdout] 342 |             try!(self.write_plain(&format!("    {}\n", name)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:352:13
[INFO] [stdout]     |
[INFO] [stdout] 352 |             try!(self.write_failures());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:355:9
[INFO] [stdout]     |
[INFO] [stdout] 355 |         try!(self.write_plain("\ntest result: "));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:358:13
[INFO] [stdout]     |
[INFO] [stdout] 358 |             try!(self.write_pretty("ok"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:360:13
[INFO] [stdout]     |
[INFO] [stdout] 360 |             try!(self.write_pretty("FAILED"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:367:9
[INFO] [stdout]     |
[INFO] [stdout] 367 |         try!(self.write_plain(&s));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:421:17
[INFO] [stdout]     |
[INFO] [stdout] 421 |                 try!(st.write_log(&test, &result));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:422:17
[INFO] [stdout]     |
[INFO] [stdout] 422 |                 try!(st.write_result(&result));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:434:18
[INFO] [stdout]     |
[INFO] [stdout] 434 |     let mut st = try!(ConsoleTestState::new(opts));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:444:5
[INFO] [stdout]     |
[INFO] [stdout] 444 |     try!(run_tests(opts, tests, |x| callback(&x, &mut st)));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:503:5
[INFO] [stdout]     |
[INFO] [stdout] 503 |     try!(callback(TeFiltered(filtered_descs)));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:510:9
[INFO] [stdout]     |
[INFO] [stdout] 510 |         try!(callback(TeWait(b.desc.clone(), b.testfn.padding())));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:512:9
[INFO] [stdout]     |
[INFO] [stdout] 512 |         try!(callback(TeResult(test, result, stdout)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> lib.rs:123:20
[INFO] [stdout]     |
[INFO] [stdout] 123 |     DynBenchFn(Box<TDynBenchFn + 'static>),
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TDynBenchFn + 'static`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.21s
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8fe898eb431978007c0bf1b5e800b732c4fbb92bff2b81c477256aaf443662bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fe898eb431978007c0bf1b5e800b732c4fbb92bff2b81c477256aaf443662bf", kill_on_drop: false }`
[INFO] [stdout] 8fe898eb431978007c0bf1b5e800b732c4fbb92bff2b81c477256aaf443662bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0b67bd3028115bb4996769accfae607dee67fe484224072cba9d91f99ae2e524
[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" "0b67bd3028115bb4996769accfae607dee67fe484224072cba9d91f99ae2e524", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> lib.rs:220:36
[INFO] [stderr]     |
[INFO] [stderr] 220 |             Some(ref path) => Some(try!(File::create(path))),
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> lib.rs:254:13
[INFO] [stderr]     |
[INFO] [stderr] 254 |             try!(self.write_pretty(verbose));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> lib.rs:220:36
[INFO] [stderr]     |
[INFO] [stderr] 220 |             Some(ref path) => Some(try!(File::create(path))),
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> lib.rs:262:17
[INFO] [stderr]     |
[INFO] [stderr] 262 |                 try!(stdout.write_all(word.as_bytes()));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> lib.rs:254:13
[INFO] [stderr]     |
[INFO] [stderr] 254 |             try!(self.write_pretty(verbose));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> lib.rs:271:17
[INFO] [stderr]     |
[INFO] [stderr] 271 |                 try!(stdout.write_all(s.as_bytes()));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> lib.rs:300:17
[INFO] [stderr]     |
[INFO] [stderr] 300 |                 try!(self.write_bench());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> lib.rs:262:17
[INFO] [stderr]     |
[INFO] [stderr] 262 |                 try!(stdout.write_all(word.as_bytes()));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> lib.rs:322:9
[INFO] [stderr]     |
[INFO] [stderr] 322 |         try!(self.write_plain("\nfailures:\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> lib.rs:271:17
[INFO] [stderr]     |
[INFO] [stderr] 271 |                 try!(stdout.write_all(s.as_bytes()));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> lib.rs:335:13
[INFO] [stderr]     |
[INFO] [stderr] 335 |             try!(self.write_plain("\n"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> lib.rs:300:17
[INFO] [stderr]     |
[INFO] [stderr] 300 |                 try!(self.write_bench());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> lib.rs:336:13
[INFO] [stderr]     |
[INFO] [stderr] 336 |             try!(self.write_plain(&fail_out));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> lib.rs:322:9
[INFO] [stderr]     |
[INFO] [stderr] 322 |         try!(self.write_plain("\nfailures:\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> lib.rs:339:9
[INFO] [stderr]     |
[INFO] [stderr] 339 |         try!(self.write_plain("\nfailures:\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> lib.rs:342:13
[INFO] [stderr]     |
[INFO] [stderr] 342 |             try!(self.write_plain(&format!("    {}\n", name)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> lib.rs:335:13
[INFO] [stderr]     |
[INFO] [stderr] 335 |             try!(self.write_plain("\n"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> lib.rs:352:13
[INFO] [stderr]     |
[INFO] [stderr] 352 |             try!(self.write_failures());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> lib.rs:336:13
[INFO] [stderr]     |
[INFO] [stderr] 336 |             try!(self.write_plain(&fail_out));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> lib.rs:355:9
[INFO] [stderr]     |
[INFO] [stderr] 355 |         try!(self.write_plain("\ntest result: "));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> lib.rs:339:9
[INFO] [stderr]     |
[INFO] [stderr] 339 |         try!(self.write_plain("\nfailures:\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> lib.rs:358:13
[INFO] [stderr]     |
[INFO] [stderr] 358 |             try!(self.write_pretty("ok"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> lib.rs:342:13
[INFO] [stderr]     |
[INFO] [stderr] 342 |             try!(self.write_plain(&format!("    {}\n", name)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> lib.rs:360:13
[INFO] [stderr]     |
[INFO] [stderr] 360 |             try!(self.write_pretty("FAILED"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> lib.rs:352:13
[INFO] [stderr]     |
[INFO] [stderr] 352 |             try!(self.write_failures());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> lib.rs:367:9
[INFO] [stderr]     |
[INFO] [stderr] 367 |         try!(self.write_plain(&s));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> lib.rs:355:9
[INFO] [stderr]     |
[INFO] [stderr] 355 |         try!(self.write_plain("\ntest result: "));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> lib.rs:421:17
[INFO] [stderr]     |
[INFO] [stderr] 421 |                 try!(st.write_log(&test, &result));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> lib.rs:358:13
[INFO] [stderr]     |
[INFO] [stderr] 358 |             try!(self.write_pretty("ok"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> lib.rs:422:17
[INFO] [stderr]     |
[INFO] [stderr] 422 |                 try!(st.write_result(&result));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> lib.rs:360:13
[INFO] [stderr]     |
[INFO] [stderr] 360 |             try!(self.write_pretty("FAILED"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> lib.rs:434:18
[INFO] [stderr]     |
[INFO] [stderr] 434 |     let mut st = try!(ConsoleTestState::new(opts));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> lib.rs:367:9
[INFO] [stderr]     |
[INFO] [stderr] 367 |         try!(self.write_plain(&s));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> lib.rs:444:5
[INFO] [stderr]     |
[INFO] [stderr] 444 |     try!(run_tests(opts, tests, |x| callback(&x, &mut st)));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> lib.rs:421:17
[INFO] [stderr]     |
[INFO] [stderr] 421 |                 try!(st.write_log(&test, &result));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> lib.rs:503:5
[INFO] [stderr]     |
[INFO] [stderr] 503 |     try!(callback(TeFiltered(filtered_descs)));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> lib.rs:422:17
[INFO] [stderr]     |
[INFO] [stderr] 422 |                 try!(st.write_result(&result));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> lib.rs:510:9
[INFO] [stderr]     |
[INFO] [stderr] 510 |         try!(callback(TeWait(b.desc.clone(), b.testfn.padding())));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> lib.rs:434:18
[INFO] [stderr]     |
[INFO] [stderr] 434 |     let mut st = try!(ConsoleTestState::new(opts));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> lib.rs:512:9
[INFO] [stderr]     |
[INFO] [stderr] 512 |         try!(callback(TeResult(test, result, stdout)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> lib.rs:444:5
[INFO] [stderr]     |
[INFO] [stderr] 444 |     try!(run_tests(opts, tests, |x| callback(&x, &mut st)));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> lib.rs:503:5
[INFO] [stderr]     |
[INFO] [stderr] 503 |     try!(callback(TeFiltered(filtered_descs)));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> lib.rs:123:20
[INFO] [stderr]     |
[INFO] [stderr] 123 |     DynBenchFn(Box<TDynBenchFn + 'static>),
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TDynBenchFn + 'static`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 23 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> lib.rs:510:9
[INFO] [stderr]     |
[INFO] [stderr] 510 |         try!(callback(TeWait(b.desc.clone(), b.testfn.padding())));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> lib.rs:512:9
[INFO] [stderr]     |
[INFO] [stderr] 512 |         try!(callback(TeResult(test, result, stdout)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> lib.rs:123:20
[INFO] [stderr]     |
[INFO] [stderr] 123 |     DynBenchFn(Box<TDynBenchFn + 'static>),
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TDynBenchFn + 'static`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 23 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bencher-07503718db16ec98
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test stats::tests::test_exp10a ... ok
[INFO] [stdout] test stats::tests::test_norm10medium ... ok
[INFO] [stdout] test stats::tests::test_norm10narrow ... ok
[INFO] [stdout] test stats::tests::test_norm10wide ... ok
[INFO] [stdout] test stats::tests::test_norm2 ... ok
[INFO] [stdout] test stats::tests::test_unif25 ... ok
[INFO] [stdout] test stats::tests::test_min_max_nan ... ok
[INFO] [stdout] test stats::tests::test_exp25 ... ok
[INFO] [stdout] test stats::tests::test_exp10c ... ok
[INFO] [stdout] test stats::tests::test_exp10b ... ok
[INFO] [stdout] test stats::tests::test_sum_f64_between_ints_that_sum_to_0 ... ok
[INFO] [stdout] test stats::tests::test_sum_f64s ... ok
[INFO] [stdout] test stats::tests::test_binom25 ... ok
[INFO] [stdout] test should_sort_failures_before_printing_them ... ok
[INFO] [stdout] test stats::tests::test_pois25lambda30 ... ok
[INFO] [stdout] test stats::tests::test_pois25lambda40 ... ok
[INFO] [stdout] test stats::tests::test_pois25lambda50 ... ok
[INFO] [stdout] test stats::tests::test_norm25verynarrow ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bencher
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test lib.rs - (line 26) ... ignored
[INFO] [stdout] test lib.rs - (line 34) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0b67bd3028115bb4996769accfae607dee67fe484224072cba9d91f99ae2e524", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b67bd3028115bb4996769accfae607dee67fe484224072cba9d91f99ae2e524", kill_on_drop: false }`
[INFO] [stdout] 0b67bd3028115bb4996769accfae607dee67fe484224072cba9d91f99ae2e524
