[INFO] updating cached repository kbacha/nickel-test
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kbacha/nickel-test
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kbacha/nickel-test" "work/ex/beta-1.37-6/sources/1.36.0/gh/kbacha/nickel-test"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/kbacha/nickel-test'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kbacha/nickel-test" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/kbacha/nickel-test"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/kbacha/nickel-test'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b965fba1f03381ccedabaa451d8b8063671365d2
[INFO] sha for GitHub repo kbacha/nickel-test: b965fba1f03381ccedabaa451d8b8063671365d2
[INFO] validating manifest of kbacha/nickel-test 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 kbacha/nickel-test 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 kbacha/nickel-test
[INFO] finished frobbing kbacha/nickel-test
[INFO] frobbed toml for kbacha/nickel-test written to work/ex/beta-1.37-6/sources/1.36.0/gh/kbacha/nickel-test/Cargo.toml
[INFO] started frobbing kbacha/nickel-test
[INFO] finished frobbing kbacha/nickel-test
[INFO] frobbed toml for kbacha/nickel-test written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/kbacha/nickel-test/Cargo.toml
[INFO] crate kbacha/nickel-test 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 kbacha/nickel-test 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-1/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/kbacha/nickel-test:/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] b5bbb4136ebe34c4c2078c2bfa6394c667fac2d377b2f87212b3113f3201c55a
[INFO] running `"docker" "start" "-a" "b5bbb4136ebe34c4c2078c2bfa6394c667fac2d377b2f87212b3113f3201c55a"`
[INFO] [stderr]    Compiling mustache v0.8.2
[INFO] [stderr]    Compiling hyper v0.10.13
[INFO] [stderr]    Compiling nickel v0.10.1
[INFO] [stderr]    Compiling nickel-test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     server.listen("0.0.0.0:1643");
[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 19.64s
[INFO] running `"docker" "inspect" "b5bbb4136ebe34c4c2078c2bfa6394c667fac2d377b2f87212b3113f3201c55a"`
[INFO] running `"docker" "rm" "-f" "b5bbb4136ebe34c4c2078c2bfa6394c667fac2d377b2f87212b3113f3201c55a"`
[INFO] [stdout] b5bbb4136ebe34c4c2078c2bfa6394c667fac2d377b2f87212b3113f3201c55a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/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/kbacha/nickel-test:/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] ba3f6910608f8e98275ffe9a7f5ee0c63db3b1dbbbd8d8c5ccec815650e751fb
[INFO] running `"docker" "start" "-a" "ba3f6910608f8e98275ffe9a7f5ee0c63db3b1dbbbd8d8c5ccec815650e751fb"`
[INFO] [stderr]    Compiling nickel-test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     server.listen("0.0.0.0:1643");
[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 1.38s
[INFO] running `"docker" "inspect" "ba3f6910608f8e98275ffe9a7f5ee0c63db3b1dbbbd8d8c5ccec815650e751fb"`
[INFO] running `"docker" "rm" "-f" "ba3f6910608f8e98275ffe9a7f5ee0c63db3b1dbbbd8d8c5ccec815650e751fb"`
[INFO] [stdout] ba3f6910608f8e98275ffe9a7f5ee0c63db3b1dbbbd8d8c5ccec815650e751fb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/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/kbacha/nickel-test:/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] a75c176dd930268f6361cdccc05a8df3faed34477cbc63322638554c60993252
[INFO] running `"docker" "start" "-a" "a75c176dd930268f6361cdccc05a8df3faed34477cbc63322638554c60993252"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/nickel_test-e446053bd0517e9f
[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" "a75c176dd930268f6361cdccc05a8df3faed34477cbc63322638554c60993252"`
[INFO] running `"docker" "rm" "-f" "a75c176dd930268f6361cdccc05a8df3faed34477cbc63322638554c60993252"`
[INFO] [stdout] a75c176dd930268f6361cdccc05a8df3faed34477cbc63322638554c60993252