[INFO] updating cached repository brimatteng/Learn-Rust---Hacker-News-Scraper
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/brimatteng/Learn-Rust---Hacker-News-Scraper
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/brimatteng/Learn-Rust---Hacker-News-Scraper" "work/ex/beta-1.37-6/sources/1.36.0/gh/brimatteng/Learn-Rust---Hacker-News-Scraper"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/brimatteng/Learn-Rust---Hacker-News-Scraper'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/brimatteng/Learn-Rust---Hacker-News-Scraper" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/brimatteng/Learn-Rust---Hacker-News-Scraper"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/brimatteng/Learn-Rust---Hacker-News-Scraper'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fabc7e90997d7f4871ab9c02b4b67ea0e8bf9a2a
[INFO] sha for GitHub repo brimatteng/Learn-Rust---Hacker-News-Scraper: fabc7e90997d7f4871ab9c02b4b67ea0e8bf9a2a
[INFO] validating manifest of brimatteng/Learn-Rust---Hacker-News-Scraper 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 brimatteng/Learn-Rust---Hacker-News-Scraper 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 brimatteng/Learn-Rust---Hacker-News-Scraper
[INFO] finished frobbing brimatteng/Learn-Rust---Hacker-News-Scraper
[INFO] frobbed toml for brimatteng/Learn-Rust---Hacker-News-Scraper written to work/ex/beta-1.37-6/sources/1.36.0/gh/brimatteng/Learn-Rust---Hacker-News-Scraper/Cargo.toml
[INFO] started frobbing brimatteng/Learn-Rust---Hacker-News-Scraper
[INFO] finished frobbing brimatteng/Learn-Rust---Hacker-News-Scraper
[INFO] frobbed toml for brimatteng/Learn-Rust---Hacker-News-Scraper written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/brimatteng/Learn-Rust---Hacker-News-Scraper/Cargo.toml
[INFO] crate brimatteng/Learn-Rust---Hacker-News-Scraper 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 brimatteng/Learn-Rust---Hacker-News-Scraper 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-3/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/brimatteng/Learn-Rust---Hacker-News-Scraper:/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] 440874f4e0cc42338f68134876b1ba495f6c43fcde0f635f51ecb14961d9e6af
[INFO] running `"docker" "start" "-a" "440874f4e0cc42338f68134876b1ba495f6c43fcde0f635f51ecb14961d9e6af"`
[INFO] [stderr]    Compiling libflate v0.1.8
[INFO] [stderr]    Compiling colored v1.5.1
[INFO] [stderr]    Compiling string_cache_codegen v0.3.1
[INFO] [stderr]    Compiling openssl-sys v0.9.14
[INFO] [stderr]    Compiling html5ever v0.14.1
[INFO] [stderr]    Compiling hyper v0.10.12
[INFO] [stderr]    Compiling openssl v0.9.14
[INFO] [stderr]    Compiling string_cache v0.4.0
[INFO] [stderr]    Compiling html5ever-atoms v0.2.2
[INFO] [stderr]    Compiling native-tls v0.1.2
[INFO] [stderr]    Compiling hyper-native-tls v0.2.4
[INFO] [stderr]    Compiling reqwest v0.6.2
[INFO] [stderr]    Compiling select v0.4.0
[INFO] [stderr]    Compiling hacker-news-reader v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     resp.read_to_string(&mut content);
[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 36.37s
[INFO] running `"docker" "inspect" "440874f4e0cc42338f68134876b1ba495f6c43fcde0f635f51ecb14961d9e6af"`
[INFO] running `"docker" "rm" "-f" "440874f4e0cc42338f68134876b1ba495f6c43fcde0f635f51ecb14961d9e6af"`
[INFO] [stdout] 440874f4e0cc42338f68134876b1ba495f6c43fcde0f635f51ecb14961d9e6af
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/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/brimatteng/Learn-Rust---Hacker-News-Scraper:/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] 99e9eda7999382efb813835ca529279c2609311599480290ee76a6e12f331ded
[INFO] running `"docker" "start" "-a" "99e9eda7999382efb813835ca529279c2609311599480290ee76a6e12f331ded"`
[INFO] [stderr]    Compiling hacker-news-reader v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     resp.read_to_string(&mut content);
[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 1.69s
[INFO] running `"docker" "inspect" "99e9eda7999382efb813835ca529279c2609311599480290ee76a6e12f331ded"`
[INFO] running `"docker" "rm" "-f" "99e9eda7999382efb813835ca529279c2609311599480290ee76a6e12f331ded"`
[INFO] [stdout] 99e9eda7999382efb813835ca529279c2609311599480290ee76a6e12f331ded
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/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/brimatteng/Learn-Rust---Hacker-News-Scraper:/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] f8327f2c6f2d0f4eea2cdd12819331065644ff20f63ae233db23510f732d5559
[INFO] running `"docker" "start" "-a" "f8327f2c6f2d0f4eea2cdd12819331065644ff20f63ae233db23510f732d5559"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hacker_news_reader-10b6f9a923358f7c
[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" "f8327f2c6f2d0f4eea2cdd12819331065644ff20f63ae233db23510f732d5559"`
[INFO] running `"docker" "rm" "-f" "f8327f2c6f2d0f4eea2cdd12819331065644ff20f63ae233db23510f732d5559"`
[INFO] [stdout] f8327f2c6f2d0f4eea2cdd12819331065644ff20f63ae233db23510f732d5559