[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-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/twissel/scrapper"` [INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/twissel/scrapper'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/twissel/scrapper" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/twissel/scrapper"` [INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/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#e305df1846a6d985315917ae0c81b74af8b4e641 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of twissel/scrapper on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-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-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/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-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/twissel/scrapper/Cargo.toml [INFO] crate twissel/scrapper already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking twissel/scrapper against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-1/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/twissel/scrapper:/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 1d850215e687b2a9bd20ae720742357494072c1ac229951c32f3f408d2c28787 [INFO] running `"docker" "start" "-a" "1d850215e687b2a9bd20ae720742357494072c1ac229951c32f3f408d2c28787"` [INFO] [stderr] Compiling libc v0.2.40 [INFO] [stderr] Checking scoped-tls v0.1.1 [INFO] [stderr] Compiling build_const v0.2.0 [INFO] [stderr] Checking utf-8 v0.7.2 [INFO] [stderr] Checking serde v1.0.36 [INFO] [stderr] Checking num-traits v0.2.2 [INFO] [stderr] Checking slog v2.2.3 [INFO] [stderr] Checking term v0.4.6 [INFO] [stderr] Checking bit-vec v0.4.4 [INFO] [stderr] Checking trackable v0.2.15 [INFO] [stderr] Checking net2 v0.2.32 [INFO] [stderr] Checking crossbeam-utils v0.3.2 [INFO] [stderr] Checking tokio-executor v0.1.1 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking isatty v0.1.6 [INFO] [stderr] Checking encoding_rs v0.7.2 [INFO] [stderr] Checking ex-futures v0.4.9 [INFO] [stderr] Compiling openssl-sys v0.9.27 [INFO] [stderr] Compiling backtrace-sys v0.1.16 [INFO] [stderr] Compiling proc-macro2 v0.3.5 [INFO] [stderr] Checking base64 v0.9.0 [INFO] [stderr] Checking bit-set v0.4.0 [INFO] [stderr] Checking bytes v0.4.6 [INFO] [stderr] Compiling crc v1.7.0 [INFO] [stderr] Checking slog-scope v4.0.1 [INFO] [stderr] Checking crossbeam-epoch v0.4.1 [INFO] [stderr] Checking num-integer v0.1.36 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Checking mio v0.6.14 [INFO] [stderr] Compiling rand v0.4.2 [INFO] [stderr] Checking uuid v0.5.1 [INFO] [stderr] Checking slog-stdlog v3.0.2 [INFO] [stderr] Checking tokio-io v0.1.6 [INFO] [stderr] Checking crossbeam-deque v0.3.0 [INFO] [stderr] Checking futf v0.1.3 [INFO] [stderr] Checking slog-async v2.3.0 [INFO] [stderr] Checking url v1.7.0 [INFO] [stderr] Compiling quote v0.5.1 [INFO] [stderr] Compiling phf_shared v0.7.21 [INFO] [stderr] Checking mime v0.3.5 [INFO] [stderr] Checking chrono v0.4.1 [INFO] [stderr] Compiling openssl v0.9.24 [INFO] [stderr] Checking tokio-threadpool v0.1.1 [INFO] [stderr] Checking tendril v0.3.1 [INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.7.0/src/form_urlencoded.rs:261:40 [INFO] [stderr] | [INFO] [stderr] 259 | impl<'a> Target for ::UrlQuery<'a> { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] 260 | fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization } [INFO] [stderr] 261 | fn finish(self) -> &'a mut ::Url { self.url } [INFO] [stderr] | ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait [INFO] [stderr] | | [INFO] [stderr] | returning this value requires that `*self.url` is borrowed for `'a` [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] [INFO] [stderr] Checking tokio-reactor v0.1.1 [INFO] [stderr] Compiling rand v0.3.22 [INFO] [stderr] Checking phf v0.7.21 [INFO] [stderr] Compiling syn v0.13.1 [INFO] [stderr] Checking libflate v0.1.14 [INFO] [stderr] Compiling phf_generator v0.7.21 [INFO] [stderr] Checking tokio-tcp v0.1.0 [INFO] [stderr] Checking tokio-udp v0.1.0 [INFO] [stderr] Compiling string_cache_codegen v0.4.0 [INFO] [stderr] Compiling phf_codegen v0.7.21 [INFO] [stderr] Checking slog-term v2.3.0 [INFO] [stderr] Checking tokio v0.1.4 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.4 [INFO] [stderr] Compiling string_cache v0.6.2 [INFO] [stderr] Compiling markup5ever v0.3.2 [INFO] [stderr] Checking native-tls v0.1.5 [INFO] [stderr] Checking serde_json v1.0.13 [INFO] [stderr] Checking serde_urlencoded v0.5.1 [INFO] [stderr] Compiling html5ever v0.18.0 [INFO] [stderr] Compiling synstructure v0.6.1 [INFO] [stderr] Checking tokio-core v0.1.16 [INFO] [stderr] Checking backtrace v0.3.5 [INFO] [stderr] Compiling serde_derive_internals v0.23.0 [INFO] [stderr] Compiling failure_derive v0.1.1 [INFO] [stderr] Checking tokio-proto v0.1.1 [INFO] [stderr] Checking tokio-tls v0.1.4 [INFO] [stderr] Checking failure v0.1.1 [INFO] [stderr] Compiling serde_derive v1.0.37 [INFO] [stderr] Checking hyper v0.11.24 [INFO] [stderr] Checking select v0.4.2 [INFO] [stderr] Checking hyper-tls v0.1.3 [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: variable does not need to be mutable [INFO] [stderr] --> src/crawler.rs:95:17 [INFO] [stderr] | [INFO] [stderr] 95 | let mut new_items = new_items.map(|item| match item { [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/crawler.rs:95:17 [INFO] [stderr] | [INFO] [stderr] 95 | let mut new_items = new_items.map(|item| match item { [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [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 = VecDeque, 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., `::Assoc`) to refer to associated types in type aliases [INFO] [stderr] --> src/fork.rs:91:54 [INFO] [stderr] | [INFO] [stderr] 91 | type ProngQueque = VecDeque, S::Error>>; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] help: use fully disambiguated paths (i.e., `::Assoc`) to refer to associated types in type aliases [INFO] [stderr] --> src/fork.rs:91:64 [INFO] [stderr] | [INFO] [stderr] 91 | type ProngQueque = VecDeque, 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 = VecDeque, 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., `::Assoc`) to refer to associated types in type aliases [INFO] [stderr] --> src/fork.rs:91:54 [INFO] [stderr] | [INFO] [stderr] 91 | type ProngQueque = VecDeque, S::Error>>; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] help: use fully disambiguated paths (i.e., `::Assoc`) to refer to associated types in type aliases [INFO] [stderr] --> src/fork.rs:91:64 [INFO] [stderr] | [INFO] [stderr] 91 | type ProngQueque = VecDeque, S::Error>>; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 46s [INFO] running `"docker" "inspect" "1d850215e687b2a9bd20ae720742357494072c1ac229951c32f3f408d2c28787"` [INFO] running `"docker" "rm" "-f" "1d850215e687b2a9bd20ae720742357494072c1ac229951c32f3f408d2c28787"` [INFO] [stdout] 1d850215e687b2a9bd20ae720742357494072c1ac229951c32f3f408d2c28787