[INFO] updating cached repository sourgrasses/opalkv
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sourgrasses/opalkv
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sourgrasses/opalkv" "work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/sourgrasses/opalkv"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/sourgrasses/opalkv'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sourgrasses/opalkv" "work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/sourgrasses/opalkv"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/sourgrasses/opalkv'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] deda38da48fa98322d5f8893086500013dd739d3
[INFO] sha for GitHub repo sourgrasses/opalkv: deda38da48fa98322d5f8893086500013dd739d3
[INFO] validating manifest of sourgrasses/opalkv on toolchain master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sourgrasses/opalkv on toolchain try#29640c57b5f92febba0e40c50cb863c9a7ede51d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sourgrasses/opalkv
[INFO] finished frobbing sourgrasses/opalkv
[INFO] frobbed toml for sourgrasses/opalkv written to work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/sourgrasses/opalkv/Cargo.toml
[INFO] started frobbing sourgrasses/opalkv
[INFO] finished frobbing sourgrasses/opalkv
[INFO] frobbed toml for sourgrasses/opalkv written to work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/sourgrasses/opalkv/Cargo.toml
[INFO] crate sourgrasses/opalkv has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking sourgrasses/opalkv against master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039 for pr-57745
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57745/worker-6/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/sourgrasses/opalkv:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4e58a55a5c1163b0e115a9a4eb03e644dbb1d1258a7141f75fd410205264b8aa
[INFO] running `"docker" "start" "-a" "4e58a55a5c1163b0e115a9a4eb03e644dbb1d1258a7141f75fd410205264b8aa"`
[INFO] [stderr]     Checking crossbeam-utils v0.4.1
[INFO] [stderr]     Checking log v0.4.2
[INFO] [stderr]    Compiling zstd-sys v1.4.3+zstd.1.3.4
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]     Checking crossbeam-channel v0.2.1
[INFO] [stderr]     Checking tokio-io v0.1.7
[INFO] [stderr]     Checking mio v0.6.14
[INFO] [stderr]     Checking tokio-threadpool v0.1.4
[INFO] [stderr]     Checking tokio-codec v0.1.0
[INFO] [stderr]     Checking tokio-fs v0.1.1
[INFO] [stderr]     Checking tokio-reactor v0.1.2
[INFO] [stderr]     Checking tokio-tcp v0.1.0
[INFO] [stderr]     Checking tokio-udp v0.1.1
[INFO] [stderr]     Checking native-tls v0.1.5
[INFO] [stderr]     Checking tokio v0.1.7
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking tokio-tls v0.1.4
[INFO] [stderr]     Checking zstd-safe v1.4.3+zstd.1.3.4
[INFO] [stderr]     Checking zstd v0.4.18+zstd.1.3.4
[INFO] [stderr]     Checking opalkv v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio::io::AsyncRead::framed': Use tokio_codec::Decoder::framed instead
[INFO] [stderr]   --> src/server.rs:31:40
[INFO] [stderr]    |
[INFO] [stderr] 31 |                 let framed_sock = sock.framed(QueryCodec::new());
[INFO] [stderr]    |                                        ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio::io::AsyncRead::framed': Use tokio_codec::Decoder::framed instead
[INFO] [stderr]   --> src/server.rs:31:40
[INFO] [stderr]    |
[INFO] [stderr] 31 |                 let framed_sock = sock.framed(QueryCodec::new());
[INFO] [stderr]    |                                        ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `page_size`
[INFO] [stderr]   --> src/main.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let page_size: i64 = unsafe {
[INFO] [stderr]    |         ^^^^^^^^^ help: consider using `_page_size` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `page_size`
[INFO] [stderr]   --> src/main.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let page_size: i64 = unsafe {
[INFO] [stderr]    |         ^^^^^^^^^ help: consider using `_page_size` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `map`
[INFO] [stderr]   --> src/hash/mod.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     map: BTreeMap<Bytes, Bytes>
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]   --> src/hash/mod.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn get(&self, k: &Bytes) -> Option<&Bytes> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `put`
[INFO] [stderr]   --> src/hash/mod.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn put(&mut self, k: &Bytes, v: &Bytes) -> Option<Bytes> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `del`
[INFO] [stderr]   --> src/hash/mod.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn del(&mut self, k: &Bytes) -> Option<Bytes> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `query`
[INFO] [stderr]   --> src/hash/mod.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn query(&mut self, msg: &Query) -> Result<Option<Bytes>, io::Error> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/query.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn new(qtype: QueryType, key: Bytes, value: Option<Bytes>) -> Query {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `db`
[INFO] [stderr]   --> src/server.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     db: OpalDb,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(extern_prelude)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `map`
[INFO] [stderr]   --> src/hash/mod.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     map: BTreeMap<Bytes, Bytes>
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]   --> src/hash/mod.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn get(&self, k: &Bytes) -> Option<&Bytes> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `put`
[INFO] [stderr]   --> src/hash/mod.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn put(&mut self, k: &Bytes, v: &Bytes) -> Option<Bytes> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `del`
[INFO] [stderr]   --> src/hash/mod.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn del(&mut self, k: &Bytes) -> Option<Bytes> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `query`
[INFO] [stderr]   --> src/hash/mod.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn query(&mut self, msg: &Query) -> Result<Option<Bytes>, io::Error> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/query.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn new(qtype: QueryType, key: Bytes, value: Option<Bytes>) -> Query {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `db`
[INFO] [stderr]   --> src/server.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     db: OpalDb,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(extern_prelude)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.84s
[INFO] running `"docker" "inspect" "4e58a55a5c1163b0e115a9a4eb03e644dbb1d1258a7141f75fd410205264b8aa"`
[INFO] running `"docker" "rm" "-f" "4e58a55a5c1163b0e115a9a4eb03e644dbb1d1258a7141f75fd410205264b8aa"`
[INFO] [stdout] 4e58a55a5c1163b0e115a9a4eb03e644dbb1d1258a7141f75fd410205264b8aa