[INFO] updating cached repository mozillaSv/RustEjemploWeb
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mozillaSv/RustEjemploWeb
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mozillaSv/RustEjemploWeb" "work/ex/beta-1.38-1/sources/1.37.0/gh/mozillaSv/RustEjemploWeb"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mozillaSv/RustEjemploWeb'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mozillaSv/RustEjemploWeb" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mozillaSv/RustEjemploWeb"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mozillaSv/RustEjemploWeb'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b8b247a9e847086c3abbaf15a90a6c8cccdbaa22
[INFO] sha for GitHub repo mozillaSv/RustEjemploWeb: b8b247a9e847086c3abbaf15a90a6c8cccdbaa22
[INFO] validating manifest of mozillaSv/RustEjemploWeb 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 mozillaSv/RustEjemploWeb 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 mozillaSv/RustEjemploWeb
[INFO] finished frobbing mozillaSv/RustEjemploWeb
[INFO] frobbed toml for mozillaSv/RustEjemploWeb written to work/ex/beta-1.38-1/sources/1.37.0/gh/mozillaSv/RustEjemploWeb/Cargo.toml
[INFO] started frobbing mozillaSv/RustEjemploWeb
[INFO] finished frobbing mozillaSv/RustEjemploWeb
[INFO] frobbed toml for mozillaSv/RustEjemploWeb written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mozillaSv/RustEjemploWeb/Cargo.toml
[INFO] crate mozillaSv/RustEjemploWeb 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] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mozillaSv/RustEjemploWeb/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mozillaSv/RustEjemploWeb against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mozillaSv/RustEjemploWeb:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 77ed4949bfe334af22201e98c62fb667fcfa901f6deaa19666cb421b0955b913
[INFO] running `"docker" "start" "-a" "77ed4949bfe334af22201e98c62fb667fcfa901f6deaa19666cb421b0955b913"`
[INFO] [stderr]    Compiling nickel-demo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     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 6.24s
[INFO] running `"docker" "inspect" "77ed4949bfe334af22201e98c62fb667fcfa901f6deaa19666cb421b0955b913"`
[INFO] running `"docker" "rm" "-f" "77ed4949bfe334af22201e98c62fb667fcfa901f6deaa19666cb421b0955b913"`
[INFO] [stdout] 77ed4949bfe334af22201e98c62fb667fcfa901f6deaa19666cb421b0955b913
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mozillaSv/RustEjemploWeb:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 24861587a784e775924b15cfcc74b1ceb8aa703db88d159a61661fb84d2155d5
[INFO] running `"docker" "start" "-a" "24861587a784e775924b15cfcc74b1ceb8aa703db88d159a61661fb84d2155d5"`
[INFO] [stderr]    Compiling nickel-demo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     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 1.23s
[INFO] running `"docker" "inspect" "24861587a784e775924b15cfcc74b1ceb8aa703db88d159a61661fb84d2155d5"`
[INFO] running `"docker" "rm" "-f" "24861587a784e775924b15cfcc74b1ceb8aa703db88d159a61661fb84d2155d5"`
[INFO] [stdout] 24861587a784e775924b15cfcc74b1ceb8aa703db88d159a61661fb84d2155d5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mozillaSv/RustEjemploWeb:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 4a46e9638fefd8b9926863cbc62f94b5c3769f60e5d41a7ee8fee01fa41037f4
[INFO] running `"docker" "start" "-a" "4a46e9638fefd8b9926863cbc62f94b5c3769f60e5d41a7ee8fee01fa41037f4"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/nickel_demo-d362aca6a6731b6a
[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" "4a46e9638fefd8b9926863cbc62f94b5c3769f60e5d41a7ee8fee01fa41037f4"`
[INFO] running `"docker" "rm" "-f" "4a46e9638fefd8b9926863cbc62f94b5c3769f60e5d41a7ee8fee01fa41037f4"`
[INFO] [stdout] 4a46e9638fefd8b9926863cbc62f94b5c3769f60e5d41a7ee8fee01fa41037f4