[INFO] updating cached repository carllhw/tokio-hello-world
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/carllhw/tokio-hello-world
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/carllhw/tokio-hello-world" "work/ex/beta-1.37-6/sources/1.36.0/gh/carllhw/tokio-hello-world"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/carllhw/tokio-hello-world'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/carllhw/tokio-hello-world" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/carllhw/tokio-hello-world"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/carllhw/tokio-hello-world'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f1e7928e2d09fe1311bd31d5b62b28115e4b263f
[INFO] sha for GitHub repo carllhw/tokio-hello-world: f1e7928e2d09fe1311bd31d5b62b28115e4b263f
[INFO] validating manifest of carllhw/tokio-hello-world 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 carllhw/tokio-hello-world 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 carllhw/tokio-hello-world
[INFO] finished frobbing carllhw/tokio-hello-world
[INFO] frobbed toml for carllhw/tokio-hello-world written to work/ex/beta-1.37-6/sources/1.36.0/gh/carllhw/tokio-hello-world/Cargo.toml
[INFO] started frobbing carllhw/tokio-hello-world
[INFO] finished frobbing carllhw/tokio-hello-world
[INFO] frobbed toml for carllhw/tokio-hello-world written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/carllhw/tokio-hello-world/Cargo.toml
[INFO] crate carllhw/tokio-hello-world 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 carllhw/tokio-hello-world against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/carllhw/tokio-hello-world:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 28cce65acf46c2eb83d3a8872cf5418782aed6dfeca7085c4f1927d84360dd01
[INFO] running `"docker" "start" "-a" "28cce65acf46c2eb83d3a8872cf5418782aed6dfeca7085c4f1927d84360dd01"`
[INFO] [stderr]    Compiling tokio v0.1.6
[INFO] [stderr]    Compiling tokio-hello-world v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `tokio::io`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use tokio::io;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.03s
[INFO] running `"docker" "inspect" "28cce65acf46c2eb83d3a8872cf5418782aed6dfeca7085c4f1927d84360dd01"`
[INFO] running `"docker" "rm" "-f" "28cce65acf46c2eb83d3a8872cf5418782aed6dfeca7085c4f1927d84360dd01"`
[INFO] [stdout] 28cce65acf46c2eb83d3a8872cf5418782aed6dfeca7085c4f1927d84360dd01
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/carllhw/tokio-hello-world:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0b4e2ff74d3e212739f45a7e8265456b059cbfe622e6e9784e88b03e27bae08a
[INFO] running `"docker" "start" "-a" "0b4e2ff74d3e212739f45a7e8265456b059cbfe622e6e9784e88b03e27bae08a"`
[INFO] [stderr]    Compiling tokio-hello-world v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `tokio::io`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use tokio::io;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `"docker" "inspect" "0b4e2ff74d3e212739f45a7e8265456b059cbfe622e6e9784e88b03e27bae08a"`
[INFO] running `"docker" "rm" "-f" "0b4e2ff74d3e212739f45a7e8265456b059cbfe622e6e9784e88b03e27bae08a"`
[INFO] [stdout] 0b4e2ff74d3e212739f45a7e8265456b059cbfe622e6e9784e88b03e27bae08a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/carllhw/tokio-hello-world:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] cee7110d3f501878628be0a93212cbdb95321dc1cbf1d8254d71e1bc278f32ca
[INFO] running `"docker" "start" "-a" "cee7110d3f501878628be0a93212cbdb95321dc1cbf1d8254d71e1bc278f32ca"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tokio_hello_world-d878845f08d34fdf
[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" "cee7110d3f501878628be0a93212cbdb95321dc1cbf1d8254d71e1bc278f32ca"`
[INFO] running `"docker" "rm" "-f" "cee7110d3f501878628be0a93212cbdb95321dc1cbf1d8254d71e1bc278f32ca"`
[INFO] [stdout] cee7110d3f501878628be0a93212cbdb95321dc1cbf1d8254d71e1bc278f32ca