[INFO] updating cached repository sleipnir/sw-episode-iv-client
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sleipnir/sw-episode-iv-client
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sleipnir/sw-episode-iv-client" "work/ex/beta-1.37-6/sources/1.36.0/gh/sleipnir/sw-episode-iv-client"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/sleipnir/sw-episode-iv-client'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sleipnir/sw-episode-iv-client" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sleipnir/sw-episode-iv-client"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sleipnir/sw-episode-iv-client'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a74f77f84fce4caa7395df7ae23782599c514dd8
[INFO] sha for GitHub repo sleipnir/sw-episode-iv-client: a74f77f84fce4caa7395df7ae23782599c514dd8
[INFO] validating manifest of sleipnir/sw-episode-iv-client on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sleipnir/sw-episode-iv-client on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sleipnir/sw-episode-iv-client
[INFO] finished frobbing sleipnir/sw-episode-iv-client
[INFO] frobbed toml for sleipnir/sw-episode-iv-client written to work/ex/beta-1.37-6/sources/1.36.0/gh/sleipnir/sw-episode-iv-client/Cargo.toml
[INFO] started frobbing sleipnir/sw-episode-iv-client
[INFO] finished frobbing sleipnir/sw-episode-iv-client
[INFO] frobbed toml for sleipnir/sw-episode-iv-client written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sleipnir/sw-episode-iv-client/Cargo.toml
[INFO] crate sleipnir/sw-episode-iv-client already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing sleipnir/sw-episode-iv-client against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sleipnir/sw-episode-iv-client:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] ee26cdb5af78a57f91306570a8300d4e1aaefaf21bd9433c3ebd39b0a1bd59e2
[INFO] running `"docker" "start" "-a" "ee26cdb5af78a57f91306570a8300d4e1aaefaf21bd9433c3ebd39b0a1bd59e2"`
[INFO] [stderr]    Compiling rand v0.6.3
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling rand_os v0.1.0
[INFO] [stderr]    Compiling num_cpus v1.9.0
[INFO] [stderr]    Compiling socket2 v0.3.8
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling signal-hook v0.1.7
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling bytes v0.4.11
[INFO] [stderr]    Compiling resolv-conf v0.6.1
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling actix_derive v0.3.2
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling tokio-io v0.1.10
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling uuid v0.7.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling tokio-threadpool v0.1.9
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling tokio-reactor v0.1.7
[INFO] [stderr]    Compiling crossbeam-channel v0.3.6
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling tokio-fs v0.1.4
[INFO] [stderr]    Compiling tokio-uds v0.2.4
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-tcp v0.1.2
[INFO] [stderr]    Compiling tokio-signal v0.2.7
[INFO] [stderr]    Compiling trust-dns-proto v0.6.1
[INFO] [stderr]    Compiling trust-dns-proto v0.5.0
[INFO] [stderr]    Compiling tokio v0.1.13
[INFO] [stderr]    Compiling trust-dns-resolver v0.10.2
[INFO] [stderr]    Compiling actix v0.7.9
[INFO] [stderr]    Compiling sw-episode-iv v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `w`
[INFO] [stderr]   --> src/actors/client.rs:31:29
[INFO] [stderr]    |
[INFO] [stderr] 31 |                     let (r, w) = stream.split();
[INFO] [stderr]    |                             ^ help: consider prefixing with an underscore: `_w`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `"docker" "inspect" "ee26cdb5af78a57f91306570a8300d4e1aaefaf21bd9433c3ebd39b0a1bd59e2"`
[INFO] running `"docker" "rm" "-f" "ee26cdb5af78a57f91306570a8300d4e1aaefaf21bd9433c3ebd39b0a1bd59e2"`
[INFO] [stdout] ee26cdb5af78a57f91306570a8300d4e1aaefaf21bd9433c3ebd39b0a1bd59e2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sleipnir/sw-episode-iv-client:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 38fd0379b0bb8c578ab4c697d8c1925f967e53441c1ac2c92cb84cc6df46438f
[INFO] running `"docker" "start" "-a" "38fd0379b0bb8c578ab4c697d8c1925f967e53441c1ac2c92cb84cc6df46438f"`
[INFO] [stderr]    Compiling sw-episode-iv v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `w`
[INFO] [stderr]   --> src/actors/client.rs:31:29
[INFO] [stderr]    |
[INFO] [stderr] 31 |                     let (r, w) = stream.split();
[INFO] [stderr]    |                             ^ help: consider prefixing with an underscore: `_w`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.70s
[INFO] running `"docker" "inspect" "38fd0379b0bb8c578ab4c697d8c1925f967e53441c1ac2c92cb84cc6df46438f"`
[INFO] running `"docker" "rm" "-f" "38fd0379b0bb8c578ab4c697d8c1925f967e53441c1ac2c92cb84cc6df46438f"`
[INFO] [stdout] 38fd0379b0bb8c578ab4c697d8c1925f967e53441c1ac2c92cb84cc6df46438f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sleipnir/sw-episode-iv-client:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] e06fc3070cf09130a168669353138c81c9e43d26b15edd34e967ce75dab86871
[INFO] running `"docker" "start" "-a" "e06fc3070cf09130a168669353138c81c9e43d26b15edd34e967ce75dab86871"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sw_episode_iv-a6c6f5ab77731ef0
[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] [stderr]      Running /opt/crater/target/debug/deps/sw_episode_iv-b24a204da9cee3cb
[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] [stderr]    Doc-tests sw-episode-iv
[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" "e06fc3070cf09130a168669353138c81c9e43d26b15edd34e967ce75dab86871"`
[INFO] running `"docker" "rm" "-f" "e06fc3070cf09130a168669353138c81c9e43d26b15edd34e967ce75dab86871"`
[INFO] [stdout] e06fc3070cf09130a168669353138c81c9e43d26b15edd34e967ce75dab86871