[INFO] updating cached repository rkusa/tokio-multiple-cores-example
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rkusa/tokio-multiple-cores-example
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rkusa/tokio-multiple-cores-example" "work/ex/beta-1.38-1/sources/1.37.0/gh/rkusa/tokio-multiple-cores-example"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/rkusa/tokio-multiple-cores-example'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rkusa/tokio-multiple-cores-example" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rkusa/tokio-multiple-cores-example"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rkusa/tokio-multiple-cores-example'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 45f5197fd477fee00d5f824fb427cecbbb771677
[INFO] sha for GitHub repo rkusa/tokio-multiple-cores-example: 45f5197fd477fee00d5f824fb427cecbbb771677
[INFO] validating manifest of rkusa/tokio-multiple-cores-example 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 rkusa/tokio-multiple-cores-example 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 rkusa/tokio-multiple-cores-example
[INFO] finished frobbing rkusa/tokio-multiple-cores-example
[INFO] frobbed toml for rkusa/tokio-multiple-cores-example written to work/ex/beta-1.38-1/sources/1.37.0/gh/rkusa/tokio-multiple-cores-example/Cargo.toml
[INFO] started frobbing rkusa/tokio-multiple-cores-example
[INFO] finished frobbing rkusa/tokio-multiple-cores-example
[INFO] frobbed toml for rkusa/tokio-multiple-cores-example written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rkusa/tokio-multiple-cores-example/Cargo.toml
[INFO] crate rkusa/tokio-multiple-cores-example 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 rkusa/tokio-multiple-cores-example 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/rkusa/tokio-multiple-cores-example:/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] 7d65fcd5c9feedf89441c4db8adccfb3824076c3af7a9e44036fa2e9dde94bfa
[INFO] running `"docker" "start" "-a" "7d65fcd5c9feedf89441c4db8adccfb3824076c3af7a9e44036fa2e9dde94bfa"`
[INFO] [stderr]    Compiling futures v0.1.15
[INFO] [stderr]    Compiling iovec v0.1.0
[INFO] [stderr]    Compiling rand v0.3.16
[INFO] [stderr]    Compiling net2 v0.2.31
[INFO] [stderr]    Compiling unicase v2.0.0
[INFO] [stderr]    Compiling bytes v0.4.5
[INFO] [stderr]    Compiling mio v0.6.10
[INFO] [stderr]    Compiling mime v0.3.3
[INFO] [stderr]    Compiling tokio-io v0.1.3
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling futures-cpupool v0.1.5
[INFO] [stderr]    Compiling tokio-core v0.1.9
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling hyper v0.11.2
[INFO] [stderr]    Compiling tokio-multiple-cores v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:24:23
[INFO] [stderr]    |
[INFO] [stderr] 24 |     type Future = Box<Future<Item = Self::Response, Error = Self::Error>>;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Response, Error = Self::Error>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.58s
[INFO] running `"docker" "inspect" "7d65fcd5c9feedf89441c4db8adccfb3824076c3af7a9e44036fa2e9dde94bfa"`
[INFO] running `"docker" "rm" "-f" "7d65fcd5c9feedf89441c4db8adccfb3824076c3af7a9e44036fa2e9dde94bfa"`
[INFO] [stdout] 7d65fcd5c9feedf89441c4db8adccfb3824076c3af7a9e44036fa2e9dde94bfa
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/rkusa/tokio-multiple-cores-example:/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] abb714dc7b42c68bdf7470bac450d29fdd90d6a7b6ba0fe350a8fd748ce8f8fe
[INFO] running `"docker" "start" "-a" "abb714dc7b42c68bdf7470bac450d29fdd90d6a7b6ba0fe350a8fd748ce8f8fe"`
[INFO] [stderr]    Compiling tokio-multiple-cores v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:24:23
[INFO] [stderr]    |
[INFO] [stderr] 24 |     type Future = Box<Future<Item = Self::Response, Error = Self::Error>>;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Response, Error = Self::Error>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `"docker" "inspect" "abb714dc7b42c68bdf7470bac450d29fdd90d6a7b6ba0fe350a8fd748ce8f8fe"`
[INFO] running `"docker" "rm" "-f" "abb714dc7b42c68bdf7470bac450d29fdd90d6a7b6ba0fe350a8fd748ce8f8fe"`
[INFO] [stdout] abb714dc7b42c68bdf7470bac450d29fdd90d6a7b6ba0fe350a8fd748ce8f8fe
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/rkusa/tokio-multiple-cores-example:/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] df54ec4e20cb9f0b6c7aefa054859cf237ccc3f9964206271f4773ee9ac13678
[INFO] running `"docker" "start" "-a" "df54ec4e20cb9f0b6c7aefa054859cf237ccc3f9964206271f4773ee9ac13678"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tokio_multiple_cores-a57733175dff7764
[INFO] [stderr]      Running /opt/crater/target/debug/deps/variant1-559ec9741a90a745
[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] [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] [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/variant2-91d6bb8ee3dd728b
[INFO] [stderr]      Running /opt/crater/target/debug/deps/variant3-fc15a6a7b22bd41d
[INFO] [stderr]    Doc-tests tokio-multiple-cores
[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" "df54ec4e20cb9f0b6c7aefa054859cf237ccc3f9964206271f4773ee9ac13678"`
[INFO] running `"docker" "rm" "-f" "df54ec4e20cb9f0b6c7aefa054859cf237ccc3f9964206271f4773ee9ac13678"`
[INFO] [stdout] df54ec4e20cb9f0b6c7aefa054859cf237ccc3f9964206271f4773ee9ac13678