[INFO] updating cached repository huynhminhtufu/start-rust-api
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/huynhminhtufu/start-rust-api
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/huynhminhtufu/start-rust-api" "work/ex/beta-1.38-1/sources/1.37.0/gh/huynhminhtufu/start-rust-api"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/huynhminhtufu/start-rust-api'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/huynhminhtufu/start-rust-api" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/huynhminhtufu/start-rust-api"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/huynhminhtufu/start-rust-api'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f2fa59ce5314a053cd9e2652247cacecf6446441
[INFO] sha for GitHub repo huynhminhtufu/start-rust-api: f2fa59ce5314a053cd9e2652247cacecf6446441
[INFO] validating manifest of huynhminhtufu/start-rust-api 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 huynhminhtufu/start-rust-api 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 huynhminhtufu/start-rust-api
[INFO] finished frobbing huynhminhtufu/start-rust-api
[INFO] frobbed toml for huynhminhtufu/start-rust-api written to work/ex/beta-1.38-1/sources/1.37.0/gh/huynhminhtufu/start-rust-api/Cargo.toml
[INFO] started frobbing huynhminhtufu/start-rust-api
[INFO] finished frobbing huynhminhtufu/start-rust-api
[INFO] frobbed toml for huynhminhtufu/start-rust-api written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/huynhminhtufu/start-rust-api/Cargo.toml
[INFO] crate huynhminhtufu/start-rust-api 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing huynhminhtufu/start-rust-api 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/huynhminhtufu/start-rust-api:/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] 8abfb4fe69e7263609174ddd701867a30320507eb476aded88296529efe96586
[INFO] running `"docker" "start" "-a" "8abfb4fe69e7263609174ddd701867a30320507eb476aded88296529efe96586"`
[INFO] [stderr]    Compiling nickel v0.11.0
[INFO] [stderr]    Compiling my-nickel-app v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]  --> main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     server.listen("127.0.0.1:6767");
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.36s
[INFO] running `"docker" "inspect" "8abfb4fe69e7263609174ddd701867a30320507eb476aded88296529efe96586"`
[INFO] running `"docker" "rm" "-f" "8abfb4fe69e7263609174ddd701867a30320507eb476aded88296529efe96586"`
[INFO] [stdout] 8abfb4fe69e7263609174ddd701867a30320507eb476aded88296529efe96586
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/huynhminhtufu/start-rust-api:/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] f385cb0eea3a454f31413401bf44277da64f43848a0e3b98a6cc8c18f9a92aa6
[INFO] running `"docker" "start" "-a" "f385cb0eea3a454f31413401bf44277da64f43848a0e3b98a6cc8c18f9a92aa6"`
[INFO] [stderr]    Compiling my-nickel-app v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]  --> main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     server.listen("127.0.0.1:6767");
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "f385cb0eea3a454f31413401bf44277da64f43848a0e3b98a6cc8c18f9a92aa6"`
[INFO] running `"docker" "rm" "-f" "f385cb0eea3a454f31413401bf44277da64f43848a0e3b98a6cc8c18f9a92aa6"`
[INFO] [stdout] f385cb0eea3a454f31413401bf44277da64f43848a0e3b98a6cc8c18f9a92aa6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/huynhminhtufu/start-rust-api:/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] 5209a259d3b043a109a2d28536467bc9c08a292902e4145a4d0a5a8a3f9ad892
[INFO] running `"docker" "start" "-a" "5209a259d3b043a109a2d28536467bc9c08a292902e4145a4d0a5a8a3f9ad892"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/main-e982bec7c5bca742
[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" "5209a259d3b043a109a2d28536467bc9c08a292902e4145a4d0a5a8a3f9ad892"`
[INFO] running `"docker" "rm" "-f" "5209a259d3b043a109a2d28536467bc9c08a292902e4145a4d0a5a8a3f9ad892"`
[INFO] [stdout] 5209a259d3b043a109a2d28536467bc9c08a292902e4145a4d0a5a8a3f9ad892