[INFO] updating cached repository Yuiki/bist
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Yuiki/bist
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Yuiki/bist" "work/ex/beta-1.38-1/sources/1.37.0/gh/Yuiki/bist"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Yuiki/bist'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Yuiki/bist" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Yuiki/bist"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Yuiki/bist'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1387fb57d717330ccd3c49c384e3384e756a5ff7
[INFO] sha for GitHub repo Yuiki/bist: 1387fb57d717330ccd3c49c384e3384e756a5ff7
[INFO] validating manifest of Yuiki/bist on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Yuiki/bist on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Yuiki/bist
[INFO] finished frobbing Yuiki/bist
[INFO] frobbed toml for Yuiki/bist written to work/ex/beta-1.38-1/sources/1.37.0/gh/Yuiki/bist/Cargo.toml
[INFO] started frobbing Yuiki/bist
[INFO] finished frobbing Yuiki/bist
[INFO] frobbed toml for Yuiki/bist written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Yuiki/bist/Cargo.toml
[INFO] crate Yuiki/bist already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Yuiki/bist against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Yuiki/bist:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 7f1d4d5e577358b9cc26e349b5695fb93aefc387541b8b9528f7ca40a32be867
[INFO] running `"docker" "start" "-a" "7f1d4d5e577358b9cc26e349b5695fb93aefc387541b8b9528f7ca40a32be867"`
[INFO] [stderr]    Compiling tokio-sync v0.1.0
[INFO] [stderr]    Compiling smallvec v0.6.8
[INFO] [stderr]    Compiling tokio-executor v0.1.6
[INFO] [stderr]    Compiling rand_os v0.1.1
[INFO] [stderr]    Compiling num_cpus v1.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.0
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling tokio-io v0.1.11
[INFO] [stderr]    Compiling block-buffer v0.7.2
[INFO] [stderr]    Compiling rand v0.6.4
[INFO] [stderr]    Compiling tokio-timer v0.2.9
[INFO] [stderr]    Compiling tokio-current-thread v0.1.4
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling crossbeam-channel v0.3.6
[INFO] [stderr]    Compiling tokio-reactor v0.1.8
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling crossbeam v0.6.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.11
[INFO] [stderr]    Compiling tokio-fs v0.1.5
[INFO] [stderr]    Compiling tokio v0.1.15
[INFO] [stderr]    Compiling bist v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `peer`
[INFO] [stderr]   --> src/spv.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let peer = peers.first().unwrap();
[INFO] [stderr]    |             ^^^^ help: consider prefixing with an underscore: `_peer`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]   --> src/spv.rs:50:40
[INFO] [stderr]    |
[INFO] [stderr] 50 |             framed.send(version).then(|r| {
[INFO] [stderr]    |                                        ^ help: consider prefixing with an underscore: `_r`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/spv.rs:53:21
[INFO] [stderr]    |
[INFO] [stderr] 53 |         }).map_err(|e| {});
[INFO] [stderr]    |                     ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `src`
[INFO] [stderr]   --> src/message.rs:91:26
[INFO] [stderr]    |
[INFO] [stderr] 91 |     fn decode(&mut self, src: &mut BytesMut) -> Result<Option<Self::Item>, Self::Error> {
[INFO] [stderr]    |                          ^^^ help: consider prefixing with an underscore: `_src`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.96s
[INFO] running `"docker" "inspect" "7f1d4d5e577358b9cc26e349b5695fb93aefc387541b8b9528f7ca40a32be867"`
[INFO] running `"docker" "rm" "-f" "7f1d4d5e577358b9cc26e349b5695fb93aefc387541b8b9528f7ca40a32be867"`
[INFO] [stdout] 7f1d4d5e577358b9cc26e349b5695fb93aefc387541b8b9528f7ca40a32be867
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Yuiki/bist:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7a5d02d340a8ff4862f1de407405396b96105c6709f461377353de38508e8c69
[INFO] running `"docker" "start" "-a" "7a5d02d340a8ff4862f1de407405396b96105c6709f461377353de38508e8c69"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bist v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `peer`
[INFO] [stderr]   --> src/spv.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let peer = peers.first().unwrap();
[INFO] [stderr]    |             ^^^^ help: consider prefixing with an underscore: `_peer`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]   --> src/spv.rs:50:40
[INFO] [stderr]    |
[INFO] [stderr] 50 |             framed.send(version).then(|r| {
[INFO] [stderr]    |                                        ^ help: consider prefixing with an underscore: `_r`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/spv.rs:53:21
[INFO] [stderr]    |
[INFO] [stderr] 53 |         }).map_err(|e| {});
[INFO] [stderr]    |                     ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `src`
[INFO] [stderr]   --> src/message.rs:91:26
[INFO] [stderr]    |
[INFO] [stderr] 91 |     fn decode(&mut self, src: &mut BytesMut) -> Result<Option<Self::Item>, Self::Error> {
[INFO] [stderr]    |                          ^^^ help: consider prefixing with an underscore: `_src`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "7a5d02d340a8ff4862f1de407405396b96105c6709f461377353de38508e8c69"`
[INFO] running `"docker" "rm" "-f" "7a5d02d340a8ff4862f1de407405396b96105c6709f461377353de38508e8c69"`
[INFO] [stdout] 7a5d02d340a8ff4862f1de407405396b96105c6709f461377353de38508e8c69
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Yuiki/bist:/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 1ff20b3681b4d83930322401e317a3b04922b9848a2fec00e0835231611de081
[INFO] running `"docker" "start" "-a" "1ff20b3681b4d83930322401e317a3b04922b9848a2fec00e0835231611de081"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/bist-6e94ed2b3062d847
[INFO] [stderr]      Running /opt/crater/target/debug/deps/bist-9c43a753d106412b
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bist
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1ff20b3681b4d83930322401e317a3b04922b9848a2fec00e0835231611de081"`
[INFO] running `"docker" "rm" "-f" "1ff20b3681b4d83930322401e317a3b04922b9848a2fec00e0835231611de081"`
[INFO] [stdout] 1ff20b3681b4d83930322401e317a3b04922b9848a2fec00e0835231611de081