[INFO] cloning repository jenstrange/tinychain-explorer [INFO] running `"git" "clone" "--bare" "git://github.com/jenstrange/tinychain-explorer.git" "work/cache/sources/gh/jenstrange/tinychain-explorer"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/jenstrange/tinychain-explorer'... [INFO] running `"git" "clone" "work/cache/sources/gh/jenstrange/tinychain-explorer" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/jenstrange/tinychain-explorer"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/jenstrange/tinychain-explorer'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/jenstrange/tinychain-explorer" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/jenstrange/tinychain-explorer"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/jenstrange/tinychain-explorer'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 07bba5b4d88e86dad5fb5c3894cf795a70ba3452 [INFO] sha for GitHub repo jenstrange/tinychain-explorer: 07bba5b4d88e86dad5fb5c3894cf795a70ba3452 [INFO] validating manifest of jenstrange/tinychain-explorer 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 jenstrange/tinychain-explorer 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 jenstrange/tinychain-explorer [INFO] finished frobbing jenstrange/tinychain-explorer [INFO] frobbed toml for jenstrange/tinychain-explorer written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/jenstrange/tinychain-explorer/Cargo.toml [INFO] started frobbing jenstrange/tinychain-explorer [INFO] finished frobbing jenstrange/tinychain-explorer [INFO] frobbed toml for jenstrange/tinychain-explorer written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/jenstrange/tinychain-explorer/Cargo.toml [INFO] crate jenstrange/tinychain-explorer 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 jenstrange/tinychain-explorer against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/jenstrange/tinychain-explorer:/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] 7ce444cdbca39cdcef74758ab9e2a05e377f9cc28fbbf781f2f6f18fc6b0c23c [INFO] running `"docker" "start" "-a" "7ce444cdbca39cdcef74758ab9e2a05e377f9cc28fbbf781f2f6f18fc6b0c23c"` [INFO] [stderr] Compiling percent-encoding v1.0.0 [INFO] [stderr] Compiling serde v1.0.11 [INFO] [stderr] Compiling quick-error v1.2.0 [INFO] [stderr] Compiling memchr v1.0.1 [INFO] [stderr] Compiling base64 v0.5.2 [INFO] [stderr] Compiling time v0.1.38 [INFO] [stderr] Compiling conduit-mime-types v0.7.3 [INFO] [stderr] Compiling error v0.1.9 [INFO] [stderr] Compiling thread_local v0.3.4 [INFO] [stderr] Compiling aho-corasick v0.6.3 [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 regex v0.2.2 [INFO] [stderr] Compiling hyper v0.10.12 [INFO] [stderr] Compiling iron v0.5.1 [INFO] [stderr] Compiling serde_json v1.0.2 [INFO] [stderr] Compiling handlebars v0.26.2 [INFO] [stderr] Compiling handlebars-iron v0.24.1 [INFO] [stderr] Compiling tinychain-explorer v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: function is never used: `send_msg` [INFO] [stderr] --> src/bin/main.rs:15:1 [INFO] [stderr] | [INFO] [stderr] 15 | fn send_msg(msg: String) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 38.92s [INFO] running `"docker" "inspect" "7ce444cdbca39cdcef74758ab9e2a05e377f9cc28fbbf781f2f6f18fc6b0c23c"` [INFO] running `"docker" "rm" "-f" "7ce444cdbca39cdcef74758ab9e2a05e377f9cc28fbbf781f2f6f18fc6b0c23c"` [INFO] [stdout] 7ce444cdbca39cdcef74758ab9e2a05e377f9cc28fbbf781f2f6f18fc6b0c23c [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/jenstrange/tinychain-explorer:/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] 391a390d2d963f1db364d80371571884a5faf2dbb7dd9f72a6655c2e50a914fc [INFO] running `"docker" "start" "-a" "391a390d2d963f1db364d80371571884a5faf2dbb7dd9f72a6655c2e50a914fc"` [INFO] [stderr] Compiling tinychain-explorer v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: function is never used: `send_msg` [INFO] [stderr] --> src/bin/main.rs:15:1 [INFO] [stderr] | [INFO] [stderr] 15 | fn send_msg(msg: String) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.20s [INFO] running `"docker" "inspect" "391a390d2d963f1db364d80371571884a5faf2dbb7dd9f72a6655c2e50a914fc"` [INFO] running `"docker" "rm" "-f" "391a390d2d963f1db364d80371571884a5faf2dbb7dd9f72a6655c2e50a914fc"` [INFO] [stdout] 391a390d2d963f1db364d80371571884a5faf2dbb7dd9f72a6655c2e50a914fc [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/jenstrange/tinychain-explorer:/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] 325bc184f5f2a89ed195c9e393de900e1808ac72d2a70844835a9a1135a65e8a [INFO] running `"docker" "start" "-a" "325bc184f5f2a89ed195c9e393de900e1808ac72d2a70844835a9a1135a65e8a"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running /opt/crater/target/debug/deps/main-fb1645e2f246ca40 [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" "325bc184f5f2a89ed195c9e393de900e1808ac72d2a70844835a9a1135a65e8a"` [INFO] running `"docker" "rm" "-f" "325bc184f5f2a89ed195c9e393de900e1808ac72d2a70844835a9a1135a65e8a"` [INFO] [stdout] 325bc184f5f2a89ed195c9e393de900e1808ac72d2a70844835a9a1135a65e8a