[INFO] updating cached repository https://github.com/CaseyManning/s2
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4b9af10c26a4247297aa2a2f66421c580e9e7bdf
[INFO] checking CaseyManning/s2 against try#e60d9e09c55855f5a848fde8ad83e13131a5b241 for pr-68350
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCaseyManning%2Fs2" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CaseyManning/s2 on toolchain e60d9e09c55855f5a848fde8ad83e13131a5b241
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/CaseyManning/s2
[INFO] finished tweaking git repo https://github.com/CaseyManning/s2
[INFO] tweaked toml for git repo https://github.com/CaseyManning/s2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/CaseyManning/s2 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "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] 5e4c0e9d7607441b672f32a81a85ad9b5bf5d67a2ef97da5606c694b0d3075f1
[INFO] running `"docker" "start" "-a" "5e4c0e9d7607441b672f32a81a85ad9b5bf5d67a2ef97da5606c694b0d3075f1"`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling raw-cpuid v6.1.0
[INFO] [stderr]    Compiling wasmer-runtime-core v0.11.0
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.58
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling weedle v0.10.0
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking ndarray v0.13.0
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.58
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking backtrace-sys v0.1.32
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking nix v0.15.0
[INFO] [stderr]     Checking errno v0.2.4
[INFO] [stderr]     Checking page_size v0.4.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking ring v0.16.9
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.58
[INFO] [stderr]     Checking backtrace v0.3.41
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking indexmap v1.3.1
[INFO] [stderr]     Checking serde_bytes v0.11.3
[INFO] [stderr]     Checking serde-bench v0.0.7
[INFO] [stderr]     Checking serde_cbor v0.10.2
[INFO] [stderr]     Checking erased-serde v0.3.10
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.58
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]    Compiling derive v0.1.0 (https://github.com/noocene/vessels?rev=edfe5d3413a8bd4b46bf1bc95ccb1a5863e92342#edfe5d34)
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking wasm-bindgen v0.2.58
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]    Compiling target-lexicon v0.8.1
[INFO] [stderr]     Checking js-sys v0.3.35
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking ws v0.9.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]    Compiling web-sys v0.3.35
[INFO] [stderr]     Checking cranelift-codegen v0.44.0
[INFO] [stderr]     Checking wasmer-clif-fork-frontend v0.44.0
[INFO] [stderr]     Checking cranelift-native v0.44.0
[INFO] [stderr]     Checking wasmer-clif-fork-wasm v0.44.0
[INFO] [stderr]     Checking wasmer-clif-backend v0.11.0
[INFO] [stderr]     Checking wasmer-runtime v0.11.0
[INFO] [stderr]     Checking vessels v0.1.0 (https://github.com/noocene/vessels?rev=edfe5d3413a8bd4b46bf1bc95ccb1a5863e92342#edfe5d34)
[INFO] [stderr] error[E0277]: the trait bound `(): std::convert::From<!>` is not satisfied
[INFO] [stderr]    --> /opt/rustwide/cargo-home/git/checkouts/vessels-e9fb2ddbefc31f48/edfe5d3/src/format/mod.rs:144:22
[INFO] [stderr]     |
[INFO] [stderr] 144 |                     .with::<_, _, _, ()>(|item: U::Item| ok(Self::serialize(item))),
[INFO] [stderr]     |                      ^^^^ the trait `std::convert::From<!>` is not implemented for `()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the following implementations were found:
[INFO] [stderr]               <() as std::convert::From<std::boxed::Box<reflect::SomeTrait>>>
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `(): std::convert::From<!>` is not satisfied
[INFO] [stderr]    --> /opt/rustwide/cargo-home/git/checkouts/vessels-e9fb2ddbefc31f48/edfe5d3/src/format/mod.rs:142:27
[INFO] [stderr]     |
[INFO] [stderr] 142 |             shim.complete(SinkStream::new(
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^ the trait `std::convert::From<!>` is not implemented for `()`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: /opt/rustwide/cargo-home/git/checkouts/vessels-e9fb2ddbefc31f48/edfe5d3/src/kind/sink_stream.rs:15:12
[INFO] [stderr]     |
[INFO] [stderr] 15  |     pub fn new<
[INFO] [stderr]     |            ---
[INFO] [stderr] 16  |         R: ISink<T, Error = E> + Sync + Send + 'static,
[INFO] [stderr] 17  |         S: IStream<Item = U> + Sync + Send + 'static,
[INFO] [stderr]     |                                              ------- required by this bound in `kind::sink_stream::SinkStream::<T, E, U>::new`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the following implementations were found:
[INFO] [stderr]               <() as std::convert::From<std::boxed::Box<reflect::SomeTrait>>>
[INFO] [stderr]     = note: required because of the requirements on the impl of `futures_sink::Sink<<U as channel::Context<'de>>::Item>` for `futures_util::sink::with::With<futures_util::sink::map_err::SinkMapErr<futures_util::stream::stream::split::SplitSink<C, <T as format::Format>::Representation>, [closure@/opt/rustwide/cargo-home/git/checkouts/vessels-e9fb2ddbefc31f48/edfe5d3/src/format/mod.rs:143:35: 143:47]>, <T as format::Format>::Representation, <U as channel::Context<'de>>::Item, futures_util::future::ready::Ready<std::result::Result<<T as format::Format>::Representation, ()>>, [closure@/opt/rustwide/cargo-home/git/checkouts/vessels-e9fb2ddbefc31f48/edfe5d3/src/format/mod.rs:144:42: 144:83]>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `vessels`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "5e4c0e9d7607441b672f32a81a85ad9b5bf5d67a2ef97da5606c694b0d3075f1"`
[INFO] running `"docker" "rm" "-f" "5e4c0e9d7607441b672f32a81a85ad9b5bf5d67a2ef97da5606c694b0d3075f1"`
[INFO] [stdout] 5e4c0e9d7607441b672f32a81a85ad9b5bf5d67a2ef97da5606c694b0d3075f1