[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/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/brimatteng/Learn-Rust---Hacker-News-Scraper"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/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/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/brimatteng/Learn-Rust---Hacker-News-Scraper"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/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 master#a850a426491e14186af2250549bf41256b5938d2
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of brimatteng/Learn-Rust---Hacker-News-Scraper on toolchain try#06a150c7d11500b41499224f165e9de1de096768
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "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/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/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/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/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/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking brimatteng/Learn-Rust---Hacker-News-Scraper against master#a850a426491e14186af2250549bf41256b5938d2 for pr-60162
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-2/master#a850a426491e14186af2250549bf41256b5938d2:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/brimatteng/Learn-Rust---Hacker-News-Scraper:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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=forbid" "-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" "+a850a426491e14186af2250549bf41256b5938d2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2d5bef9730df6844077f79f1f179a4741731b0ae55d31b38f310beab250c3aa7
[INFO] running `"docker" "start" "-a" "2d5bef9730df6844077f79f1f179a4741731b0ae55d31b38f310beab250c3aa7"`
[INFO] [stderr]    Compiling openssl v0.9.14
[INFO] [stderr]     Checking libflate v0.1.8
[INFO] [stderr]     Checking colored v1.5.1
[INFO] [stderr]    Compiling string_cache_codegen v0.3.1
[INFO] [stderr]     Checking openssl-sys v0.9.14
[INFO] [stderr]     Checking url v1.5.0
[INFO] [stderr]    Compiling html5ever v0.14.1
[INFO] [stderr]    Compiling string_cache v0.4.0
[INFO] [stderr]    Compiling html5ever-atoms v0.2.2
[INFO] [stderr]     Checking hyper v0.10.12
[INFO] [stderr]     Checking serde_urlencoded v0.5.1
[INFO] [stderr]     Checking native-tls v0.1.2
[INFO] [stderr]     Checking hyper-native-tls v0.2.4
[INFO] [stderr]     Checking reqwest v0.6.2
[INFO] [stderr]     Checking select v0.4.0
[INFO] [stderr]     Checking 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] 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 18.89s
[INFO] running `"docker" "inspect" "2d5bef9730df6844077f79f1f179a4741731b0ae55d31b38f310beab250c3aa7"`
[INFO] running `"docker" "rm" "-f" "2d5bef9730df6844077f79f1f179a4741731b0ae55d31b38f310beab250c3aa7"`
[INFO] [stdout] 2d5bef9730df6844077f79f1f179a4741731b0ae55d31b38f310beab250c3aa7