[INFO] updating cached repository roshanr95/tokio_mcve
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/roshanr95/tokio_mcve
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/roshanr95/tokio_mcve" "work/ex/beta-1.37-6/sources/1.36.0/gh/roshanr95/tokio_mcve"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/roshanr95/tokio_mcve'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/roshanr95/tokio_mcve" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/roshanr95/tokio_mcve"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/roshanr95/tokio_mcve'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c1282d8b0bbda41655297c7ad56c57a290e012b4
[INFO] sha for GitHub repo roshanr95/tokio_mcve: c1282d8b0bbda41655297c7ad56c57a290e012b4
[INFO] validating manifest of roshanr95/tokio_mcve 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 roshanr95/tokio_mcve 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 roshanr95/tokio_mcve
[INFO] finished frobbing roshanr95/tokio_mcve
[INFO] frobbed toml for roshanr95/tokio_mcve written to work/ex/beta-1.37-6/sources/1.36.0/gh/roshanr95/tokio_mcve/Cargo.toml
[INFO] started frobbing roshanr95/tokio_mcve
[INFO] finished frobbing roshanr95/tokio_mcve
[INFO] frobbed toml for roshanr95/tokio_mcve written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/roshanr95/tokio_mcve/Cargo.toml
[INFO] crate roshanr95/tokio_mcve 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 roshanr95/tokio_mcve 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-3/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/roshanr95/tokio_mcve:/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] 51387f94140f97d089500c4da28ed54d6faed118a7f67a91d2dc1bff750fa26e
[INFO] running `"docker" "start" "-a" "51387f94140f97d089500c4da28ed54d6faed118a7f67a91d2dc1bff750fa26e"`
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling tokio-io v0.1.11
[INFO] [stderr]    Compiling env_logger v0.6.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.11
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-reactor v0.1.8
[INFO] [stderr]    Compiling tokio-fs v0.1.5
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.15
[INFO] [stderr]    Compiling tokio_mvce v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.57s
[INFO] running `"docker" "inspect" "51387f94140f97d089500c4da28ed54d6faed118a7f67a91d2dc1bff750fa26e"`
[INFO] running `"docker" "rm" "-f" "51387f94140f97d089500c4da28ed54d6faed118a7f67a91d2dc1bff750fa26e"`
[INFO] [stdout] 51387f94140f97d089500c4da28ed54d6faed118a7f67a91d2dc1bff750fa26e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/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/roshanr95/tokio_mcve:/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] a3c97a0a66e725fe800f11467215abf73351868e5cde482b22a478312ce9ff06
[INFO] running `"docker" "start" "-a" "a3c97a0a66e725fe800f11467215abf73351868e5cde482b22a478312ce9ff06"`
[INFO] [stderr]    Compiling tokio_mvce v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `"docker" "inspect" "a3c97a0a66e725fe800f11467215abf73351868e5cde482b22a478312ce9ff06"`
[INFO] running `"docker" "rm" "-f" "a3c97a0a66e725fe800f11467215abf73351868e5cde482b22a478312ce9ff06"`
[INFO] [stdout] a3c97a0a66e725fe800f11467215abf73351868e5cde482b22a478312ce9ff06
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/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/roshanr95/tokio_mcve:/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] 54536aa8a4730e2406ca821f36a14d91c0117a6fa13dca1e1cb3fc0f4a21114a
[INFO] running `"docker" "start" "-a" "54536aa8a4730e2406ca821f36a14d91c0117a6fa13dca1e1cb3fc0f4a21114a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tokio_mvce-05c273db6af968c2
[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" "54536aa8a4730e2406ca821f36a14d91c0117a6fa13dca1e1cb3fc0f4a21114a"`
[INFO] running `"docker" "rm" "-f" "54536aa8a4730e2406ca821f36a14d91c0117a6fa13dca1e1cb3fc0f4a21114a"`
[INFO] [stdout] 54536aa8a4730e2406ca821f36a14d91c0117a6fa13dca1e1cb3fc0f4a21114a