[INFO] updating cached repository Mistscream/rust-crawler
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Mistscream/rust-crawler
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Mistscream/rust-crawler" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/Mistscream/rust-crawler"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/Mistscream/rust-crawler'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Mistscream/rust-crawler" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/Mistscream/rust-crawler"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/Mistscream/rust-crawler'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ade036a84f0a17b1a903c91d5bc25bfd102ecc9f
[INFO] sha for GitHub repo Mistscream/rust-crawler: ade036a84f0a17b1a903c91d5bc25bfd102ecc9f
[INFO] validating manifest of Mistscream/rust-crawler on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Mistscream/rust-crawler on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Mistscream/rust-crawler
[INFO] finished frobbing Mistscream/rust-crawler
[INFO] frobbed toml for Mistscream/rust-crawler written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/Mistscream/rust-crawler/Cargo.toml
[INFO] started frobbing Mistscream/rust-crawler
[INFO] finished frobbing Mistscream/rust-crawler
[INFO] frobbed toml for Mistscream/rust-crawler written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/Mistscream/rust-crawler/Cargo.toml
[INFO] crate Mistscream/rust-crawler already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Mistscream/rust-crawler against try#18481b65f318e0b4b20c0fc61340054701719d6c for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-4/try#18481b65f318e0b4b20c0fc61340054701719d6c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/Mistscream/rust-crawler:/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" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1fb668f2c99bf3319a5bbeb6943932fb5723d9d3c49c1dff5e5a66c411684fa0
[INFO] running `"docker" "start" "-a" "1fb668f2c99bf3319a5bbeb6943932fb5723d9d3c49c1dff5e5a66c411684fa0"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling openssl v0.10.15
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]     Checking string v0.1.1
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]    Compiling encoding_rs v0.8.10
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking try_from v0.2.2
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking md5 v0.3.8
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking separator v0.3.1
[INFO] [stderr]     Checking data-encoding v2.1.1
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling openssl-sys v0.9.39
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking semver v0.8.0
[INFO] [stderr]     Checking bit-set v0.4.0
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking smallvec v0.6.5
[INFO] [stderr]     Checking new_debug_unreachable v1.0.1
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking debug_unreachable v0.1.1
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking bytes v0.4.10
[INFO] [stderr]     Checking tokio-timer v0.2.7
[INFO] [stderr]     Checking tokio-current-thread v0.1.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking lock_api v0.1.4
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking memchr v2.1.1
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[INFO] [stderr]     Checking http v0.1.13
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[INFO] [stderr]     Checking serde_json v1.0.32
[INFO] [stderr]     Checking uuid v0.7.1
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[INFO] [stderr]     Checking aho-corasick v0.6.9
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[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
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[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]    Compiling quote v0.6.9
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking md-5 v0.7.0
[INFO] [stderr]     Checking hmac v0.6.3
[INFO] [stderr]     Checking libflate v0.1.18
[INFO] [stderr]     Checking crossbeam-deque v0.6.1
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]     Checking bson v0.13.0
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking pbkdf2 v0.2.3
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[INFO] [stderr]     Checking tokio-threadpool v0.1.8
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]    Compiling syn v0.15.22
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[INFO] [stderr]     Checking tokio-fs v0.1.4
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[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking scan_fmt v0.1.3
[INFO] [stderr]     Checking tokio v0.1.11
[INFO] [stderr]    Compiling string_cache v0.6.2
[INFO] [stderr]    Compiling markup5ever v0.3.2
[INFO] [stderr]     Checking hyper v0.12.13
[INFO] [stderr]    Compiling html5ever v0.18.0
[INFO] [stderr]     Checking hyper-tls v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking reqwest v0.9.4
[INFO] [stderr]     Checking select v0.4.2
[INFO] [stderr]     Checking textnonce v0.6.4
[INFO] [stderr]     Checking mongodb v0.3.12
[INFO] [stderr]     Checking rust_crawler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Bson`
[INFO] [stderr]  --> src/lib/database.rs:3:26
[INFO] [stderr]   |
[INFO] [stderr] 3 | use mongodb::{bson, doc, Bson};
[INFO] [stderr]   |                          ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Bson`
[INFO] [stderr]  --> src/lib/database.rs:3:26
[INFO] [stderr]   |
[INFO] [stderr] 3 | use mongodb::{bson, doc, Bson};
[INFO] [stderr]   |                          ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rayon::prelude`
[INFO] [stderr]  --> src/lib/mod.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use rayon::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `li_elements`
[INFO] [stderr]   --> src/lib/report.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let li_elements: Vec<select::node::Node> = Vec::new();
[INFO] [stderr]    |             ^^^^^^^^^^^ help: consider prefixing with an underscore: `_li_elements`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `client`
[INFO] [stderr]  --> src/lib/database.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     client: mongodb::Client,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `address`
[INFO] [stderr]  --> src/lib/database.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     address: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `port`
[INFO] [stderr]  --> src/lib/database.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     port: u16,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib/database.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |         self.collection.insert_one(doc.clone(), None);
[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 import: `rayon::prelude`
[INFO] [stderr]  --> src/lib/mod.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use rayon::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `li_elements`
[INFO] [stderr]   --> src/lib/report.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let li_elements: Vec<select::node::Node> = Vec::new();
[INFO] [stderr]    |             ^^^^^^^^^^^ help: consider prefixing with an underscore: `_li_elements`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `client`
[INFO] [stderr]  --> src/lib/database.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     client: mongodb::Client,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `address`
[INFO] [stderr]  --> src/lib/database.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     address: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `port`
[INFO] [stderr]  --> src/lib/database.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     port: u16,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib/database.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |         self.collection.insert_one(doc.clone(), None);
[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 45.58s
[INFO] running `"docker" "inspect" "1fb668f2c99bf3319a5bbeb6943932fb5723d9d3c49c1dff5e5a66c411684fa0"`
[INFO] running `"docker" "rm" "-f" "1fb668f2c99bf3319a5bbeb6943932fb5723d9d3c49c1dff5e5a66c411684fa0"`
[INFO] [stdout] 1fb668f2c99bf3319a5bbeb6943932fb5723d9d3c49c1dff5e5a66c411684fa0