[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-1.37-6/sources/1.36.0/gh/mozillaSv/RustEjemploWeb"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/mozillaSv/RustEjemploWeb'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mozillaSv/RustEjemploWeb" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mozillaSv/RustEjemploWeb"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mozillaSv/RustEjemploWeb 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 mozillaSv/RustEjemploWeb
[INFO] finished frobbing mozillaSv/RustEjemploWeb
[INFO] frobbed toml for mozillaSv/RustEjemploWeb written to work/ex/beta-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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[INFO] the lockfile is outdated, regenerating it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" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 mozillaSv/RustEjemploWeb 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-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 370901d1d22f429398cdac4e338253cc3b77b56cccb59a709d50de5b39ce8f4f
[INFO] running `"docker" "start" "-a" "370901d1d22f429398cdac4e338253cc3b77b56cccb59a709d50de5b39ce8f4f"`
[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 5.59s
[INFO] running `"docker" "inspect" "370901d1d22f429398cdac4e338253cc3b77b56cccb59a709d50de5b39ce8f4f"`
[INFO] running `"docker" "rm" "-f" "370901d1d22f429398cdac4e338253cc3b77b56cccb59a709d50de5b39ce8f4f"`
[INFO] [stdout] 370901d1d22f429398cdac4e338253cc3b77b56cccb59a709d50de5b39ce8f4f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] a13bec077a2cba3ae8c9b8e48538ed042e9433135cc54d70d3674bfc0a545b0c
[INFO] running `"docker" "start" "-a" "a13bec077a2cba3ae8c9b8e48538ed042e9433135cc54d70d3674bfc0a545b0c"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[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 1.12s
[INFO] running `"docker" "inspect" "a13bec077a2cba3ae8c9b8e48538ed042e9433135cc54d70d3674bfc0a545b0c"`
[INFO] running `"docker" "rm" "-f" "a13bec077a2cba3ae8c9b8e48538ed042e9433135cc54d70d3674bfc0a545b0c"`
[INFO] [stdout] a13bec077a2cba3ae8c9b8e48538ed042e9433135cc54d70d3674bfc0a545b0c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 1d94662a70db4cfb626079b12f6c6b60e6bdeb5fd422081a2ff4c2495b8d49fd
[INFO] running `"docker" "start" "-a" "1d94662a70db4cfb626079b12f6c6b60e6bdeb5fd422081a2ff4c2495b8d49fd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/nickel_demo-deaf4582f8a201b1
[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" "1d94662a70db4cfb626079b12f6c6b60e6bdeb5fd422081a2ff4c2495b8d49fd"`
[INFO] running `"docker" "rm" "-f" "1d94662a70db4cfb626079b12f6c6b60e6bdeb5fd422081a2ff4c2495b8d49fd"`
[INFO] [stdout] 1d94662a70db4cfb626079b12f6c6b60e6bdeb5fd422081a2ff4c2495b8d49fd