[INFO] updating cached repository twissel/scrapper
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/twissel/scrapper
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/twissel/scrapper" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/twissel/scrapper"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/twissel/scrapper'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/twissel/scrapper" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/twissel/scrapper"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/twissel/scrapper'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 442de283039631bc9c16f63f85685f8f83450fc1
[INFO] sha for GitHub repo twissel/scrapper: 442de283039631bc9c16f63f85685f8f83450fc1
[INFO] validating manifest of twissel/scrapper on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of twissel/scrapper on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing twissel/scrapper
[INFO] finished frobbing twissel/scrapper
[INFO] frobbed toml for twissel/scrapper written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/twissel/scrapper/Cargo.toml
[INFO] started frobbing twissel/scrapper
[INFO] finished frobbing twissel/scrapper
[INFO] frobbed toml for twissel/scrapper written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/twissel/scrapper/Cargo.toml
[INFO] crate twissel/scrapper already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking twissel/scrapper against master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-3/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/twissel/scrapper:/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" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2782dae23679f1c352fed97134e324378c76ef763cb7a561a92bf4a8634ec283
[INFO] running `"docker" "start" "-a" "2782dae23679f1c352fed97134e324378c76ef763cb7a561a92bf4a8634ec283"`
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking utf-8 v0.7.2
[INFO] [stderr]     Checking slog v2.2.3
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking trackable v0.2.15
[INFO] [stderr]     Checking tokio-executor v0.1.1
[INFO] [stderr]     Checking relay v0.1.1
[INFO] [stderr]     Checking isatty v0.1.6
[INFO] [stderr]     Checking ex-futures v0.4.9
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking debug_unreachable v0.1.1
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking tokio-io v0.1.6
[INFO] [stderr]     Checking backtrace-sys v0.1.16
[INFO] [stderr]    Compiling html5ever v0.18.0
[INFO] [stderr]     Checking futf v0.1.3
[INFO] [stderr]     Checking serde_urlencoded v0.5.1
[INFO] [stderr]    Compiling string_cache_codegen v0.4.0
[INFO] [stderr]     Checking backtrace v0.3.5
[INFO] [stderr]     Checking chrono v0.4.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.1
[INFO] [stderr]     Checking tendril v0.3.1
[INFO] [stderr]     Checking slog-scope v4.0.1
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking slog-stdlog v3.0.2
[INFO] [stderr]     Checking tokio-reactor v0.1.1
[INFO] [stderr]    Compiling quote v0.5.1
[INFO] [stderr]    Compiling string_cache v0.6.2
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]     Checking tokio-tcp v0.1.0
[INFO] [stderr]     Checking tokio-udp v0.1.0
[INFO] [stderr]     Checking tokio v0.1.4
[INFO] [stderr]     Checking slog-term v2.3.0
[INFO] [stderr]     Checking tokio-core v0.1.16
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking tokio-tls v0.1.4
[INFO] [stderr]    Compiling markup5ever v0.3.2
[INFO] [stderr]     Checking hyper v0.11.24
[INFO] [stderr]    Compiling serde_derive_internals v0.23.0
[INFO] [stderr]    Compiling serde_derive v1.0.37
[INFO] [stderr]     Checking hyper-tls v0.1.3
[INFO] [stderr]     Checking select v0.4.2
[INFO] [stderr]     Checking reqwest v0.8.5
[INFO] [stderr]     Checking sloggers v0.2.6
[INFO] [stderr]     Checking scrapper_v2 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variant is never constructed: `SameThread`
[INFO] [stderr]    --> src/crawler.rs:191:5
[INFO] [stderr]     |
[INFO] [stderr] 191 |     SameThread,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(conservative_impl_trait)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stderr]   --> src/fork.rs:91:21
[INFO] [stderr]    |
[INFO] [stderr] 91 | type ProngQueque<S: Stream> = VecDeque<Result<Option<S::Item>, S::Error>>;
[INFO] [stderr]    |                     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(type_alias_bounds)] on by default
[INFO] [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stderr] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
[INFO] [stderr]   --> src/fork.rs:91:54
[INFO] [stderr]    |
[INFO] [stderr] 91 | type ProngQueque<S: Stream> = VecDeque<Result<Option<S::Item>, S::Error>>;
[INFO] [stderr]    |                                                      ^^^^^^^
[INFO] [stderr] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
[INFO] [stderr]   --> src/fork.rs:91:64
[INFO] [stderr]    |
[INFO] [stderr] 91 | type ProngQueque<S: Stream> = VecDeque<Result<Option<S::Item>, S::Error>>;
[INFO] [stderr]    |                                                                ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SameThread`
[INFO] [stderr]    --> src/crawler.rs:191:5
[INFO] [stderr]     |
[INFO] [stderr] 191 |     SameThread,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(conservative_impl_trait)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stderr]   --> src/fork.rs:91:21
[INFO] [stderr]    |
[INFO] [stderr] 91 | type ProngQueque<S: Stream> = VecDeque<Result<Option<S::Item>, S::Error>>;
[INFO] [stderr]    |                     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(type_alias_bounds)] on by default
[INFO] [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stderr] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
[INFO] [stderr]   --> src/fork.rs:91:54
[INFO] [stderr]    |
[INFO] [stderr] 91 | type ProngQueque<S: Stream> = VecDeque<Result<Option<S::Item>, S::Error>>;
[INFO] [stderr]    |                                                      ^^^^^^^
[INFO] [stderr] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
[INFO] [stderr]   --> src/fork.rs:91:64
[INFO] [stderr]    |
[INFO] [stderr] 91 | type ProngQueque<S: Stream> = VecDeque<Result<Option<S::Item>, S::Error>>;
[INFO] [stderr]    |                                                                ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.50s
[INFO] running `"docker" "inspect" "2782dae23679f1c352fed97134e324378c76ef763cb7a561a92bf4a8634ec283"`
[INFO] running `"docker" "rm" "-f" "2782dae23679f1c352fed97134e324378c76ef763cb7a561a92bf4a8634ec283"`
[INFO] [stdout] 2782dae23679f1c352fed97134e324378c76ef763cb7a561a92bf4a8634ec283