[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/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/zaabjuda/test_tokio"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/zaabjuda/test_tokio'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/zaabjuda/test_tokio" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/zaabjuda/test_tokio"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/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 master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of zaabjuda/test_tokio on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "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/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/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/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/zaabjuda/test_tokio/Cargo.toml
[INFO] crate zaabjuda/test_tokio already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking zaabjuda/test_tokio against master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-1/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/zaabjuda/test_tokio:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c69a56e7aa1eb2cc76791703b9430273c668452b6e39c0f6597394c4bc507786
[INFO] running `"docker" "start" "-a" "c69a56e7aa1eb2cc76791703b9430273c668452b6e39c0f6597394c4bc507786"`
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking log v0.3.7
[INFO] [stderr]     Checking lazycell v0.4.0
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking futures v0.1.13
[INFO] [stderr]     Checking scoped-tls v0.1.0
[INFO] [stderr]     Checking smallvec v0.2.1
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]     Checking iovec v0.1.0
[INFO] [stderr]     Checking net2 v0.2.27
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking bytes v0.4.2
[INFO] [stderr]     Checking mio v0.6.6
[INFO] [stderr]     Checking tokio-io v0.1.1
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking tokio-core v0.1.6
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking 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 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] 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 8.10s
[INFO] running `"docker" "inspect" "c69a56e7aa1eb2cc76791703b9430273c668452b6e39c0f6597394c4bc507786"`
[INFO] running `"docker" "rm" "-f" "c69a56e7aa1eb2cc76791703b9430273c668452b6e39c0f6597394c4bc507786"`
[INFO] [stdout] c69a56e7aa1eb2cc76791703b9430273c668452b6e39c0f6597394c4bc507786