[INFO] updating cached repository zaabjuda/test_tokio
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/zaabjuda/test_tokio
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/zaabjuda/test_tokio" "work/ex/beta-1.37-6/sources/1.36.0/gh/zaabjuda/test_tokio"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/zaabjuda/test_tokio'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/zaabjuda/test_tokio" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/zaabjuda/test_tokio"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/zaabjuda/test_tokio'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 974f26422703b6b140e1c1cb14d1e9f98573bfb4
[INFO] sha for GitHub repo zaabjuda/test_tokio: 974f26422703b6b140e1c1cb14d1e9f98573bfb4
[INFO] validating manifest of zaabjuda/test_tokio 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 zaabjuda/test_tokio 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 zaabjuda/test_tokio
[INFO] finished frobbing zaabjuda/test_tokio
[INFO] frobbed toml for zaabjuda/test_tokio written to work/ex/beta-1.37-6/sources/1.36.0/gh/zaabjuda/test_tokio/Cargo.toml
[INFO] started frobbing zaabjuda/test_tokio
[INFO] finished frobbing zaabjuda/test_tokio
[INFO] frobbed toml for zaabjuda/test_tokio written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/zaabjuda/test_tokio/Cargo.toml
[INFO] crate zaabjuda/test_tokio 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 zaabjuda/test_tokio 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/zaabjuda/test_tokio:/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] e00722b306934d2459d3558146ef7aed32ac671a24901b4d6d38a32bc34738f4
[INFO] running `"docker" "start" "-a" "e00722b306934d2459d3558146ef7aed32ac671a24901b4d6d38a32bc34738f4"`
[INFO] [stderr]    Compiling scoped-tls v0.1.0
[INFO] [stderr]    Compiling take v0.1.0
[INFO] [stderr]    Compiling smallvec v0.2.1
[INFO] [stderr]    Compiling iovec v0.1.0
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling net2 v0.2.27
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling bytes v0.4.2
[INFO] [stderr]    Compiling mio v0.6.6
[INFO] [stderr]    Compiling tokio-io v0.1.1
[INFO] [stderr]    Compiling tokio-core v0.1.6
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling tokio_test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `BufMut`
[INFO] [stderr]  --> src/codec.rs:3:23
[INFO] [stderr]   |
[INFO] [stderr] 3 | use bytes::{BytesMut, BufMut};
[INFO] [stderr]   |                       ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]   --> src/service.rs:18:20
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn call(&self, req: Self::Request) -> Self::Future {
[INFO] [stderr]    |                    ^^^ help: consider prefixing with an underscore: `_req`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.88s
[INFO] running `"docker" "inspect" "e00722b306934d2459d3558146ef7aed32ac671a24901b4d6d38a32bc34738f4"`
[INFO] running `"docker" "rm" "-f" "e00722b306934d2459d3558146ef7aed32ac671a24901b4d6d38a32bc34738f4"`
[INFO] [stdout] e00722b306934d2459d3558146ef7aed32ac671a24901b4d6d38a32bc34738f4
[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/zaabjuda/test_tokio:/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] c27de27203ea670249498172d545c673b80e98edb32a3951188b355547edf5a2
[INFO] running `"docker" "start" "-a" "c27de27203ea670249498172d545c673b80e98edb32a3951188b355547edf5a2"`
[INFO] [stderr]    Compiling tokio_test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `BufMut`
[INFO] [stderr]  --> src/codec.rs:3:23
[INFO] [stderr]   |
[INFO] [stderr] 3 | use bytes::{BytesMut, BufMut};
[INFO] [stderr]   |                       ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]   --> src/service.rs:18:20
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn call(&self, req: Self::Request) -> Self::Future {
[INFO] [stderr]    |                    ^^^ help: consider prefixing with an underscore: `_req`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "c27de27203ea670249498172d545c673b80e98edb32a3951188b355547edf5a2"`
[INFO] running `"docker" "rm" "-f" "c27de27203ea670249498172d545c673b80e98edb32a3951188b355547edf5a2"`
[INFO] [stdout] c27de27203ea670249498172d545c673b80e98edb32a3951188b355547edf5a2
[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/zaabjuda/test_tokio:/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] ee6abfc38424e77995d06ba16046159f9343a3e4eb40b488b9a3a80ed4d8679e
[INFO] running `"docker" "start" "-a" "ee6abfc38424e77995d06ba16046159f9343a3e4eb40b488b9a3a80ed4d8679e"`
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tokio_test-af154466e4bc4960
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ee6abfc38424e77995d06ba16046159f9343a3e4eb40b488b9a3a80ed4d8679e"`
[INFO] running `"docker" "rm" "-f" "ee6abfc38424e77995d06ba16046159f9343a3e4eb40b488b9a3a80ed4d8679e"`
[INFO] [stdout] ee6abfc38424e77995d06ba16046159f9343a3e4eb40b488b9a3a80ed4d8679e