[INFO] cloning repository mishan88/rust-howdoi [INFO] running `"git" "clone" "--bare" "git://github.com/mishan88/rust-howdoi.git" "work/cache/sources/gh/mishan88/rust-howdoi"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/mishan88/rust-howdoi'... [INFO] running `"git" "clone" "work/cache/sources/gh/mishan88/rust-howdoi" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/mishan88/rust-howdoi"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/mishan88/rust-howdoi'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/mishan88/rust-howdoi" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/mishan88/rust-howdoi"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/mishan88/rust-howdoi'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] f137a9f016d1c4f48f30d3ef3b5d0978fe47a74a [INFO] sha for GitHub repo mishan88/rust-howdoi: f137a9f016d1c4f48f30d3ef3b5d0978fe47a74a [INFO] validating manifest of mishan88/rust-howdoi on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of mishan88/rust-howdoi on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing mishan88/rust-howdoi [INFO] finished frobbing mishan88/rust-howdoi [INFO] frobbed toml for mishan88/rust-howdoi written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/mishan88/rust-howdoi/Cargo.toml [INFO] started frobbing mishan88/rust-howdoi [INFO] finished frobbing mishan88/rust-howdoi [INFO] frobbed toml for mishan88/rust-howdoi written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/mishan88/rust-howdoi/Cargo.toml [INFO] crate mishan88/rust-howdoi already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing mishan88/rust-howdoi against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/mishan88/rust-howdoi:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"` [INFO] [stdout] d97aab01608543628aa698c5682dfc0313c2202c0276fa115ee4b651cd29b2ea [INFO] running `"docker" "start" "-a" "d97aab01608543628aa698c5682dfc0313c2202c0276fa115ee4b651cd29b2ea"` [INFO] [stderr] Compiling miniz_oxide_c_api v0.2.1 [INFO] [stderr] Compiling want v0.0.6 [INFO] [stderr] Compiling crossbeam-epoch v0.7.1 [INFO] [stderr] Compiling openssl-sys v0.9.43 [INFO] [stderr] Compiling mio v0.6.16 [INFO] [stderr] Compiling tokio-io v0.1.12 [INFO] [stderr] Compiling uuid v0.7.3 [INFO] [stderr] Compiling html5ever v0.22.5 [INFO] [stderr] Compiling string_cache_codegen v0.4.2 [INFO] [stderr] Compiling selectors v0.20.0 [INFO] [stderr] Compiling cssparser-macros v0.3.5 [INFO] [stderr] Compiling crossbeam-deque v0.7.1 [INFO] [stderr] Compiling h2 v0.1.17 [INFO] [stderr] Compiling flate2 v1.0.7 [INFO] [stderr] Compiling openssl v0.10.20 [INFO] [stderr] Compiling native-tls v0.2.2 [INFO] [stderr] Compiling tokio-threadpool v0.1.13 [INFO] [stderr] Compiling string_cache v0.7.3 [INFO] [stderr] Compiling markup5ever v0.7.5 [INFO] [stderr] Compiling tokio-reactor v0.1.9 [INFO] [stderr] Compiling tokio-tcp v0.1.3 [INFO] [stderr] Compiling cssparser v0.24.1 [INFO] [stderr] Compiling tokio v0.1.18 [INFO] [stderr] warning[E0506]: cannot assign to `self.input.cached_token` because it is borrowed [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cssparser-0.24.1/src/parser.rs:572:17 [INFO] [stderr] | [INFO] [stderr] 547 | pub fn next_including_whitespace_and_comments(&mut self) -> Result<&Token<'i>, BasicParseError<'i>> { [INFO] [stderr] | - let's call the lifetime of this reference `'1` [INFO] [stderr] ... [INFO] [stderr] 560 | Some(ref cached_token) [INFO] [stderr] | ---------------- borrow of `self.input.cached_token` occurs here [INFO] [stderr] ... [INFO] [stderr] 572 | self.input.cached_token = Some(CachedToken { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ assignment to borrowed `self.input.cached_token` occurs here [INFO] [stderr] ... [INFO] [stderr] 584 | Ok(token) [INFO] [stderr] | --------- returning this value requires that `self.input.cached_token.0` is borrowed for `'1` [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] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] Compiling hyper v0.12.25 [INFO] [stderr] Compiling scraper v0.9.2 [INFO] [stderr] Compiling hyper-tls v0.3.2 [INFO] [stderr] Compiling reqwest v0.9.12 [INFO] [stderr] Compiling rust-howdoi v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `matches` [INFO] [stderr] --> src/main.rs:69:9 [INFO] [stderr] | [INFO] [stderr] 69 | let matches = app.get_matches(); [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_matches` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `err` [INFO] [stderr] --> src/main.rs:74:13 [INFO] [stderr] | [INFO] [stderr] 74 | Err(err) => "None".to_string(), [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_err` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 09s [INFO] running `"docker" "inspect" "d97aab01608543628aa698c5682dfc0313c2202c0276fa115ee4b651cd29b2ea"` [INFO] running `"docker" "rm" "-f" "d97aab01608543628aa698c5682dfc0313c2202c0276fa115ee4b651cd29b2ea"` [INFO] [stdout] d97aab01608543628aa698c5682dfc0313c2202c0276fa115ee4b651cd29b2ea [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/mishan88/rust-howdoi:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] 6a22ea84a14c8db04b583d297ecf9fe192d8ddec99c1fc68d46d46d756545d61 [INFO] running `"docker" "start" "-a" "6a22ea84a14c8db04b583d297ecf9fe192d8ddec99c1fc68d46d46d756545d61"` [INFO] [stderr] Compiling rust-howdoi v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `matches` [INFO] [stderr] --> src/main.rs:69:9 [INFO] [stderr] | [INFO] [stderr] 69 | let matches = app.get_matches(); [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_matches` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `err` [INFO] [stderr] --> src/main.rs:74:13 [INFO] [stderr] | [INFO] [stderr] 74 | Err(err) => "None".to_string(), [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_err` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.73s [INFO] running `"docker" "inspect" "6a22ea84a14c8db04b583d297ecf9fe192d8ddec99c1fc68d46d46d756545d61"` [INFO] running `"docker" "rm" "-f" "6a22ea84a14c8db04b583d297ecf9fe192d8ddec99c1fc68d46d46d756545d61"` [INFO] [stdout] 6a22ea84a14c8db04b583d297ecf9fe192d8ddec99c1fc68d46d46d756545d61 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/mishan88/rust-howdoi:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"` [INFO] [stdout] 5d3f406047c9e88096b14ce6f3dee26def594a9b8b99564d8e1c25b232c588fc [INFO] running `"docker" "start" "-a" "5d3f406047c9e88096b14ce6f3dee26def594a9b8b99564d8e1c25b232c588fc"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.14s [INFO] [stderr] Running /opt/crater/target/debug/deps/rust_howdoi-9df339f22e71e3af [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "5d3f406047c9e88096b14ce6f3dee26def594a9b8b99564d8e1c25b232c588fc"` [INFO] running `"docker" "rm" "-f" "5d3f406047c9e88096b14ce6f3dee26def594a9b8b99564d8e1c25b232c588fc"` [INFO] [stdout] 5d3f406047c9e88096b14ce6f3dee26def594a9b8b99564d8e1c25b232c588fc