[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 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-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 906a7ab0f190703a67630fd271f7ff39cb003adb585f1b911c75653e0af33932
[INFO] running `"docker" "start" "-a" "906a7ab0f190703a67630fd271f7ff39cb003adb585f1b911c75653e0af33932"`
[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 19.76s
[INFO] running `"docker" "inspect" "906a7ab0f190703a67630fd271f7ff39cb003adb585f1b911c75653e0af33932"`
[INFO] running `"docker" "rm" "-f" "906a7ab0f190703a67630fd271f7ff39cb003adb585f1b911c75653e0af33932"`
[INFO] [stdout] 906a7ab0f190703a67630fd271f7ff39cb003adb585f1b911c75653e0af33932
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 03846b0d4afc19df9c722bc91736763653077ed220e5995d14d1ef828ee64748
[INFO] running `"docker" "start" "-a" "03846b0d4afc19df9c722bc91736763653077ed220e5995d14d1ef828ee64748"`
[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 1.42s
[INFO] running `"docker" "inspect" "03846b0d4afc19df9c722bc91736763653077ed220e5995d14d1ef828ee64748"`
[INFO] running `"docker" "rm" "-f" "03846b0d4afc19df9c722bc91736763653077ed220e5995d14d1ef828ee64748"`
[INFO] [stdout] 03846b0d4afc19df9c722bc91736763653077ed220e5995d14d1ef828ee64748
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] ad2797cc04291068f80e1d7e57d417c67ba2d502ae594954412fe493aeb579ff
[INFO] running `"docker" "start" "-a" "ad2797cc04291068f80e1d7e57d417c67ba2d502ae594954412fe493aeb579ff"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/nickel_test-f44ef1a4cf4cab95
[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" "ad2797cc04291068f80e1d7e57d417c67ba2d502ae594954412fe493aeb579ff"`
[INFO] running `"docker" "rm" "-f" "ad2797cc04291068f80e1d7e57d417c67ba2d502ae594954412fe493aeb579ff"`
[INFO] [stdout] ad2797cc04291068f80e1d7e57d417c67ba2d502ae594954412fe493aeb579ff