[INFO] fetching crate tokio-serde 0.3.0...
[INFO] checking tokio-serde-0.3.0 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate tokio-serde 0.3.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate tokio-serde 0.3.0 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tokio-serde 0.3.0
[INFO] finished tweaking crates.io crate tokio-serde 0.3.0
[INFO] tweaked toml for crates.io crate tokio-serde 0.3.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f95107d279d341021110fcace4e6db8d2cf07ff386a96faeccc446a8ebaa70a4
[INFO] running `"docker" "start" "-a" "f95107d279d341021110fcace4e6db8d2cf07ff386a96faeccc446a8ebaa70a4"`
[INFO] [stderr]     Checking tokio-serde v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/buffer_one.rs:72:37
[INFO] [stderr]    |
[INFO] [stderr] 72 |             Some(Ok(item)) => match try!(self.sink.start_send(item)) {
[INFO] [stderr]    |                                     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/buffer_one.rs:77:21
[INFO] [stderr]    |
[INFO] [stderr] 77 |                     try!(self.sink.poll_complete());
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/buffer_one.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 |         try!(self.try_empty_buffer());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:310:27
[INFO] [stderr]     |
[INFO] [stderr] 310 |                 let val = try!(self.deserializer.deserialize(&bytes.into()));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:376:21
[INFO] [stderr]     |
[INFO] [stderr] 376 |         let bytes = try!(res.map_err(Into::into));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:378:17
[INFO] [stderr]     |
[INFO] [stderr] 378 |         assert!(try!(self.inner.start_send(bytes)).is_ready());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/buffer_one.rs:72:37
[INFO] [stderr]    |
[INFO] [stderr] 72 |             Some(Ok(item)) => match try!(self.sink.start_send(item)) {
[INFO] [stderr]    |                                     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/buffer_one.rs:77:21
[INFO] [stderr]    |
[INFO] [stderr] 77 |                     try!(self.sink.poll_complete());
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/buffer_one.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 |         try!(self.try_empty_buffer());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:310:27
[INFO] [stderr]     |
[INFO] [stderr] 310 |                 let val = try!(self.deserializer.deserialize(&bytes.into()));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:376:21
[INFO] [stderr]     |
[INFO] [stderr] 376 |         let bytes = try!(res.map_err(Into::into));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:378:17
[INFO] [stderr]     |
[INFO] [stderr] 378 |         assert!(try!(self.inner.start_send(bytes)).is_ready());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `"docker" "inspect" "f95107d279d341021110fcace4e6db8d2cf07ff386a96faeccc446a8ebaa70a4"`
[INFO] running `"docker" "rm" "-f" "f95107d279d341021110fcace4e6db8d2cf07ff386a96faeccc446a8ebaa70a4"`
[INFO] [stdout] f95107d279d341021110fcace4e6db8d2cf07ff386a96faeccc446a8ebaa70a4