[INFO] updating cached repository jenstrange/tinychain-explorer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jenstrange/tinychain-explorer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jenstrange/tinychain-explorer" "work/ex/beta-1.37-6/sources/1.36.0/gh/jenstrange/tinychain-explorer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/jenstrange/tinychain-explorer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jenstrange/tinychain-explorer" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jenstrange/tinychain-explorer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jenstrange/tinychain-explorer on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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/beta-1.37-6/sources/1.36.0/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/beta-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing jenstrange/tinychain-explorer against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 53422222dd4b4f80d5b3a5e3f025011d4e5e6845d67fcaca7503f743c27fd98f
[INFO] running `"docker" "start" "-a" "53422222dd4b4f80d5b3a5e3f025011d4e5e6845d67fcaca7503f743c27fd98f"`
[INFO] [stderr]    Compiling pest v0.3.3
[INFO] [stderr]    Compiling same-file v0.1.3
[INFO] [stderr]    Compiling quick-error v1.2.0
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling num_cpus v1.6.2
[INFO] [stderr]    Compiling base64 v0.5.2
[INFO] [stderr]    Compiling serde_json v1.0.2
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling url v1.5.1
[INFO] [stderr]    Compiling walkdir v1.0.7
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling regex v0.2.2
[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] 
[INFO] [stderr]    Compiling hyper v0.10.12
[INFO] [stderr]    Compiling handlebars v0.26.2
[INFO] [stderr]    Compiling iron v0.5.1
[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 41.88s
[INFO] running `"docker" "inspect" "53422222dd4b4f80d5b3a5e3f025011d4e5e6845d67fcaca7503f743c27fd98f"`
[INFO] running `"docker" "rm" "-f" "53422222dd4b4f80d5b3a5e3f025011d4e5e6845d67fcaca7503f743c27fd98f"`
[INFO] [stdout] 53422222dd4b4f80d5b3a5e3f025011d4e5e6845d67fcaca7503f743c27fd98f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] eecdaa03bedf0c88fff02ccc00f210a89b6b411cdf2a560ae5e3a7a79bbd23ff
[INFO] running `"docker" "start" "-a" "eecdaa03bedf0c88fff02ccc00f210a89b6b411cdf2a560ae5e3a7a79bbd23ff"`
[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 1.02s
[INFO] running `"docker" "inspect" "eecdaa03bedf0c88fff02ccc00f210a89b6b411cdf2a560ae5e3a7a79bbd23ff"`
[INFO] running `"docker" "rm" "-f" "eecdaa03bedf0c88fff02ccc00f210a89b6b411cdf2a560ae5e3a7a79bbd23ff"`
[INFO] [stdout] eecdaa03bedf0c88fff02ccc00f210a89b6b411cdf2a560ae5e3a7a79bbd23ff
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] bcdd4bb1265f819029e0be9c9e6b22bfbaad81f6d3f7b2ad072dbf2a75b57741
[INFO] running `"docker" "start" "-a" "bcdd4bb1265f819029e0be9c9e6b22bfbaad81f6d3f7b2ad072dbf2a75b57741"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/main-8f88eeef617f2d80
[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" "bcdd4bb1265f819029e0be9c9e6b22bfbaad81f6d3f7b2ad072dbf2a75b57741"`
[INFO] running `"docker" "rm" "-f" "bcdd4bb1265f819029e0be9c9e6b22bfbaad81f6d3f7b2ad072dbf2a75b57741"`
[INFO] [stdout] bcdd4bb1265f819029e0be9c9e6b22bfbaad81f6d3f7b2ad072dbf2a75b57741