[INFO] fetching crate steamy-vdf 0.2.0...
[INFO] checking steamy-vdf-0.2.0 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate steamy-vdf 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate steamy-vdf 0.2.0 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate steamy-vdf 0.2.0
[INFO] finished tweaking crates.io crate steamy-vdf 0.2.0
[INFO] tweaked toml for crates.io crate steamy-vdf 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d30e8ac3b16132ddea28427ccb9c23183ffdebd5cf6bf9fe06601cdf919228db
[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" "d30e8ac3b16132ddea28427ccb9c23183ffdebd5cf6bf9fe06601cdf919228db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d30e8ac3b16132ddea28427ccb9c23183ffdebd5cf6bf9fe06601cdf919228db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d30e8ac3b16132ddea28427ccb9c23183ffdebd5cf6bf9fe06601cdf919228db", kill_on_drop: false }`
[INFO] [stdout] d30e8ac3b16132ddea28427ccb9c23183ffdebd5cf6bf9fe06601cdf919228db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b9af1a23480722f3deef01429dbcbb5ca4b59379cfdc16dee2e4f3c2183f2e8
[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" "2b9af1a23480722f3deef01429dbcbb5ca4b59379cfdc16dee2e4f3c2183f2e8", kill_on_drop: false }`
[INFO] [stderr]     Checking steamy-vdf v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/reader.rs:97:7
[INFO] [stdout]    |
[INFO] [stdout] 97 |             if try!(self.stream.by_ref().take(needed as u64).read_to_end(&mut self.buffer)) == 0 {
[INFO] [stdout]    |                ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/reader.rs:107:3
[INFO] [stdout]     |
[INFO] [stdout] 107 |         try!(self.prepare());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/entry/table.rs:35:10
[INFO] [stdout]    |
[INFO] [stdout] 35 |             match try!(reader.event()) {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/entry/table.rs:46:29
[INFO] [stdout]    |
[INFO] [stdout] 46 |                     insert(&mut map, name, try!(Table::load(reader)).into()),
[INFO] [stdout]    |                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:48:6
[INFO] [stdout]    |
[INFO] [stdout] 48 |         Ok(try!(str::from_utf8(buffer)).into())
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Ok(Reader::from(try!(File::open(path))))
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Ok(try!(Table::load(&mut try!(open(path)))).into())
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:33:27
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Ok(try!(Table::load(&mut try!(open(path)))).into())
[INFO] [stdout]    |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/reader.rs:97:7
[INFO] [stdout]    |
[INFO] [stdout] 97 |             if try!(self.stream.by_ref().take(needed as u64).read_to_end(&mut self.buffer)) == 0 {
[INFO] [stdout]    |                ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/reader.rs:107:3
[INFO] [stdout]     |
[INFO] [stdout] 107 |         try!(self.prepare());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/entry/table.rs:35:10
[INFO] [stdout]    |
[INFO] [stdout] 35 |             match try!(reader.event()) {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/entry/table.rs:46:29
[INFO] [stdout]    |
[INFO] [stdout] 46 |                     insert(&mut map, name, try!(Table::load(reader)).into()),
[INFO] [stdout]    |                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:48:6
[INFO] [stdout]    |
[INFO] [stdout] 48 |         Ok(try!(str::from_utf8(buffer)).into())
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Ok(Reader::from(try!(File::open(path))))
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Ok(try!(Table::load(&mut try!(open(path)))).into())
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:33:27
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Ok(try!(Table::load(&mut try!(open(path)))).into())
[INFO] [stdout]    |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:20:15
[INFO] [stdout]    |
[INFO] [stdout] 20 |         f.write_str(error::Error::description(self))
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:20:15
[INFO] [stdout]    |
[INFO] [stdout] 20 |         f.write_str(error::Error::description(self))
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 err.description(),
[INFO] [stdout]    |                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 err.description(),
[INFO] [stdout]    |                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "2b9af1a23480722f3deef01429dbcbb5ca4b59379cfdc16dee2e4f3c2183f2e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b9af1a23480722f3deef01429dbcbb5ca4b59379cfdc16dee2e4f3c2183f2e8", kill_on_drop: false }`
[INFO] [stdout] 2b9af1a23480722f3deef01429dbcbb5ca4b59379cfdc16dee2e4f3c2183f2e8