[INFO] updating cached repository calum/rust_reddit_scraper
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/calum/rust_reddit_scraper
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/calum/rust_reddit_scraper" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/calum/rust_reddit_scraper"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/calum/rust_reddit_scraper'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/calum/rust_reddit_scraper" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/calum/rust_reddit_scraper"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/calum/rust_reddit_scraper'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cb3f59a462830fbf73eef23761d261bc914c749f
[INFO] sha for GitHub repo calum/rust_reddit_scraper: cb3f59a462830fbf73eef23761d261bc914c749f
[INFO] validating manifest of calum/rust_reddit_scraper on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of calum/rust_reddit_scraper on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing calum/rust_reddit_scraper
[INFO] finished frobbing calum/rust_reddit_scraper
[INFO] frobbed toml for calum/rust_reddit_scraper written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/calum/rust_reddit_scraper/Cargo.toml
[INFO] started frobbing calum/rust_reddit_scraper
[INFO] finished frobbing calum/rust_reddit_scraper
[INFO] frobbed toml for calum/rust_reddit_scraper written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/calum/rust_reddit_scraper/Cargo.toml
[INFO] crate calum/rust_reddit_scraper already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking calum/rust_reddit_scraper against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-7/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/calum/rust_reddit_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=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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 33ff2f48f54ad4168817136fd6343666e7c3cbfaab3810c897da931c7462ccfb
[INFO] running `"docker" "start" "-a" "33ff2f48f54ad4168817136fd6343666e7c3cbfaab3810c897da931c7462ccfb"`
[INFO] [stderr]     Checking futures v0.1.17
[INFO] [stderr]     Checking lazycell v0.5.1
[INFO] [stderr]     Checking rustc-demangle v0.1.5
[INFO] [stderr]     Checking serde v1.0.24
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling openssl-sys v0.9.23
[INFO] [stderr]     Checking iovec v0.1.1
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking num_cpus v1.7.0
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking base64 v0.8.0
[INFO] [stderr]     Checking bytes v0.4.5
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking mio v0.6.11
[INFO] [stderr]     Checking regex v0.2.3
[INFO] [stderr]    Compiling openssl v0.9.23
[INFO] [stderr]     Checking tokio-io v0.1.4
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking relay v0.1.0
[INFO] [stderr]     Checking futures-cpupool v0.1.7
[INFO] [stderr]    Compiling serde_derive_internals v0.18.0
[INFO] [stderr]     Checking tokio-core v0.1.11
[INFO] [stderr]     Checking native-tls v0.1.4
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking tokio-tls v0.1.3
[INFO] [stderr]    Compiling derive-error-chain v0.10.1
[INFO] [stderr]     Checking backtrace v0.3.4
[INFO] [stderr]     Checking hyper v0.11.9
[INFO] [stderr]    Compiling serde_derive v1.0.24
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking serde_json v1.0.8
[INFO] [stderr]     Checking dotenv v0.10.1
[INFO] [stderr]     Checking hyper-tls v0.1.2
[INFO] [stderr]     Checking rust_reddit_user_scraper v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `url`
[INFO] [stderr]  --> src/reddit/authenticate.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     url: String,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `url`
[INFO] [stderr]  --> src/reddit/authenticate.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     url: String,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.10s
[INFO] running `"docker" "inspect" "33ff2f48f54ad4168817136fd6343666e7c3cbfaab3810c897da931c7462ccfb"`
[INFO] running `"docker" "rm" "-f" "33ff2f48f54ad4168817136fd6343666e7c3cbfaab3810c897da931c7462ccfb"`
[INFO] [stdout] 33ff2f48f54ad4168817136fd6343666e7c3cbfaab3810c897da931c7462ccfb