[INFO] cloning repository nswbmw/mmjpg-rs [INFO] running `"git" "clone" "--bare" "git://github.com/nswbmw/mmjpg-rs.git" "work/cache/sources/gh/nswbmw/mmjpg-rs"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/nswbmw/mmjpg-rs'... [INFO] running `"git" "clone" "work/cache/sources/gh/nswbmw/mmjpg-rs" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/nswbmw/mmjpg-rs"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/nswbmw/mmjpg-rs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/nswbmw/mmjpg-rs" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/nswbmw/mmjpg-rs"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/nswbmw/mmjpg-rs'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] e8667b483cf549c02c8f4c6895848d6cf0ef70f5 [INFO] sha for GitHub repo nswbmw/mmjpg-rs: e8667b483cf549c02c8f4c6895848d6cf0ef70f5 [INFO] validating manifest of nswbmw/mmjpg-rs 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 nswbmw/mmjpg-rs 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 nswbmw/mmjpg-rs [INFO] finished frobbing nswbmw/mmjpg-rs [INFO] frobbed toml for nswbmw/mmjpg-rs written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/nswbmw/mmjpg-rs/Cargo.toml [INFO] started frobbing nswbmw/mmjpg-rs [INFO] finished frobbing nswbmw/mmjpg-rs [INFO] frobbed toml for nswbmw/mmjpg-rs written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/nswbmw/mmjpg-rs/Cargo.toml [INFO] crate nswbmw/mmjpg-rs 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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded markup5ever v0.3.1 [INFO] [stderr] Downloaded select v0.4.1 [INFO] [stderr] Downloaded tendril v0.3.0 [INFO] [stderr] Downloaded libflate v0.1.8 [INFO] [stderr] Downloaded string_cache v0.6.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing nswbmw/mmjpg-rs against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/nswbmw/mmjpg-rs:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"` [INFO] [stdout] 08a9adff7ca815bbd957d89abd7bbab37e06eea2076699bc24582934022fbe00 [INFO] running `"docker" "start" "-a" "08a9adff7ca815bbd957d89abd7bbab37e06eea2076699bc24582934022fbe00"` [INFO] [stderr] Compiling version_check v0.1.2 [INFO] [stderr] Compiling openssl v0.9.14 [INFO] [stderr] Compiling precomputed-hash v0.1.0 [INFO] [stderr] Compiling openssl-sys v0.9.14 [INFO] [stderr] Compiling unicode-bidi v0.3.3 [INFO] [stderr] Compiling utf-8 v0.7.1 [INFO] [stderr] Compiling base64 v0.5.2 [INFO] [stderr] Compiling libflate v0.1.8 [INFO] [stderr] Compiling serde_json v1.0.2 [INFO] [stderr] Compiling string_cache_codegen v0.4.0 [INFO] [stderr] Compiling serde_derive_internals v0.15.1 [INFO] [stderr] Compiling tendril v0.3.0 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling string_cache v0.6.0 [INFO] [stderr] Compiling markup5ever v0.3.1 [INFO] [stderr] Compiling idna v0.1.2 [INFO] [stderr] Compiling serde_derive v1.0.8 [INFO] [stderr] Compiling url v1.5.1 [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-1.5.1/src/form_urlencoded.rs:251:40 [INFO] [stderr] | [INFO] [stderr] 249 | impl<'a> Target for ::UrlQuery<'a> { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] 250 | fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization } [INFO] [stderr] 251 | 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] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] Compiling hyper v0.10.12 [INFO] [stderr] Compiling serde_urlencoded v0.5.1 [INFO] [stderr] Compiling native-tls v0.1.4 [INFO] [stderr] Compiling html5ever v0.18.0 [INFO] [stderr] Compiling select v0.4.1 [INFO] [stderr] Compiling hyper-native-tls v0.2.4 [INFO] [stderr] Compiling reqwest v0.6.2 [INFO] [stderr] Compiling mmjpg-rs v0.0.1 (/opt/crater/workdir) [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:44:3 [INFO] [stderr] | [INFO] [stderr] 44 | resp.read_to_string(&mut html); [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 `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:72:3 [INFO] [stderr] | [INFO] [stderr] 72 | resp.read_to_string(&mut html); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:96:3 [INFO] [stderr] | [INFO] [stderr] 96 | resp.read_to_string(&mut html); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [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 1m 07s [INFO] running `"docker" "inspect" "08a9adff7ca815bbd957d89abd7bbab37e06eea2076699bc24582934022fbe00"` [INFO] running `"docker" "rm" "-f" "08a9adff7ca815bbd957d89abd7bbab37e06eea2076699bc24582934022fbe00"` [INFO] [stdout] 08a9adff7ca815bbd957d89abd7bbab37e06eea2076699bc24582934022fbe00 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/nswbmw/mmjpg-rs:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] 566e141b8c4f1c78c787822c4a931fb6649535f3bcd650b17ac7ef9634e6d6e5 [INFO] running `"docker" "start" "-a" "566e141b8c4f1c78c787822c4a931fb6649535f3bcd650b17ac7ef9634e6d6e5"` [INFO] [stderr] Compiling mmjpg-rs v0.0.1 (/opt/crater/workdir) [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:44:3 [INFO] [stderr] | [INFO] [stderr] 44 | resp.read_to_string(&mut html); [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 `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:72:3 [INFO] [stderr] | [INFO] [stderr] 72 | resp.read_to_string(&mut html); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:96:3 [INFO] [stderr] | [INFO] [stderr] 96 | resp.read_to_string(&mut html); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [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 1.65s [INFO] running `"docker" "inspect" "566e141b8c4f1c78c787822c4a931fb6649535f3bcd650b17ac7ef9634e6d6e5"` [INFO] running `"docker" "rm" "-f" "566e141b8c4f1c78c787822c4a931fb6649535f3bcd650b17ac7ef9634e6d6e5"` [INFO] [stdout] 566e141b8c4f1c78c787822c4a931fb6649535f3bcd650b17ac7ef9634e6d6e5 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/nswbmw/mmjpg-rs:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"` [INFO] [stdout] 6cd7d2112e7ef2a5c371eb7163c0ac38828be6f2c047f549da5ea2fa3ddba7c2 [INFO] running `"docker" "start" "-a" "6cd7d2112e7ef2a5c371eb7163c0ac38828be6f2c047f549da5ea2fa3ddba7c2"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.12s [INFO] [stderr] Running /opt/crater/target/debug/deps/mmjpg_rs-9094c4a014035de9 [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" "6cd7d2112e7ef2a5c371eb7163c0ac38828be6f2c047f549da5ea2fa3ddba7c2"` [INFO] running `"docker" "rm" "-f" "6cd7d2112e7ef2a5c371eb7163c0ac38828be6f2c047f549da5ea2fa3ddba7c2"` [INFO] [stdout] 6cd7d2112e7ef2a5c371eb7163c0ac38828be6f2c047f549da5ea2fa3ddba7c2