[INFO] fetching crate bencher 0.1.5...
[INFO] testing bencher-0.1.5 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate bencher 0.1.5 into /workspace/builds/worker-54/source
[INFO] validating manifest of crates.io crate bencher 0.1.5 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-54/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc7b860fbdaef73438c6867e720aba9e55d6a4e1453668be7ebd40f07fffc707
[INFO] running `Command { std: "docker" "start" "-a" "dc7b860fbdaef73438c6867e720aba9e55d6a4e1453668be7ebd40f07fffc707", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc7b860fbdaef73438c6867e720aba9e55d6a4e1453668be7ebd40f07fffc707", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc7b860fbdaef73438c6867e720aba9e55d6a4e1453668be7ebd40f07fffc707", kill_on_drop: false }`
[INFO] [stdout] dc7b860fbdaef73438c6867e720aba9e55d6a4e1453668be7ebd40f07fffc707
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b1e3fee3bc02c879078ac42e3c8a9a36a741d3a50fc05d5e46592509fb15e2d
[INFO] running `Command { std: "docker" "start" "-a" "7b1e3fee3bc02c879078ac42e3c8a9a36a741d3a50fc05d5e46592509fb15e2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling bencher v0.1.5 (/opt/rustwide/workdir)
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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: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: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: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: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: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: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: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: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: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: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: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "7b1e3fee3bc02c879078ac42e3c8a9a36a741d3a50fc05d5e46592509fb15e2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b1e3fee3bc02c879078ac42e3c8a9a36a741d3a50fc05d5e46592509fb15e2d", kill_on_drop: false }`
[INFO] [stdout] 7b1e3fee3bc02c879078ac42e3c8a9a36a741d3a50fc05d5e46592509fb15e2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e923dfbb9aecf476c9d19575fb53bbfacbd15cbe19304bee6871c2d9c7567b7f
[INFO] running `Command { std: "docker" "start" "-a" "e923dfbb9aecf476c9d19575fb53bbfacbd15cbe19304bee6871c2d9c7567b7f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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: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: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: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:355:9
[INFO] [stdout]     |
[INFO] [stdout] 355 |         try!(self.write_plain("\ntest result: "));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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: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: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: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: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: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: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: 23 warnings emitted
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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: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: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: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: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: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: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: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: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: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: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: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.65s
[INFO] running `Command { std: "docker" "inspect" "e923dfbb9aecf476c9d19575fb53bbfacbd15cbe19304bee6871c2d9c7567b7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e923dfbb9aecf476c9d19575fb53bbfacbd15cbe19304bee6871c2d9c7567b7f", kill_on_drop: false }`
[INFO] [stdout] e923dfbb9aecf476c9d19575fb53bbfacbd15cbe19304bee6871c2d9c7567b7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1ef92165675e27c3bef18188ab532a1279ec261d8f3e7f538fcfe651e5c30fee
[INFO] running `Command { std: "docker" "start" "-a" "1ef92165675e27c3bef18188ab532a1279ec261d8f3e7f538fcfe651e5c30fee", kill_on_drop: false }`
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: `bencher` (lib) generated 23 warnings
[INFO] [stderr] warning: `bencher` (lib test) generated 23 warnings (23 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bencher-5adc98f32b734603)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test should_sort_failures_before_printing_them ... ok
[INFO] [stdout] test stats::tests::test_binom25 ... ok
[INFO] [stdout] test stats::tests::test_exp10a ... ok
[INFO] [stdout] test stats::tests::test_exp10b ... ok
[INFO] [stdout] test stats::tests::test_exp25 ... ok
[INFO] [stdout] test stats::tests::test_min_max_nan ... ok
[INFO] [stdout] test stats::tests::test_norm10wide ... ok
[INFO] [stdout] test stats::tests::test_pois25lambda30 ... ok
[INFO] [stdout] test stats::tests::test_pois25lambda40 ... ok
[INFO] [stdout] test stats::tests::test_norm2 ... ok
[INFO] [stdout] test stats::tests::test_pois25lambda50 ... ok
[INFO] [stdout] test stats::tests::test_norm10narrow ... ok
[INFO] [stdout] test stats::tests::test_norm25verynarrow ... ok
[INFO] [stdout] test stats::tests::test_sum_f64_between_ints_that_sum_to_0 ... ok
[INFO] [stdout] test stats::tests::test_exp10c ... ok
[INFO] [stdout] test stats::tests::test_norm10medium ... ok
[INFO] [stdout] test stats::tests::test_sum_f64s ... ok
[INFO] [stdout] test stats::tests::test_unif25 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[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; finished in 23.29s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1ef92165675e27c3bef18188ab532a1279ec261d8f3e7f538fcfe651e5c30fee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ef92165675e27c3bef18188ab532a1279ec261d8f3e7f538fcfe651e5c30fee", kill_on_drop: false }`
[INFO] [stdout] 1ef92165675e27c3bef18188ab532a1279ec261d8f3e7f538fcfe651e5c30fee