[INFO] updating cached repository https://github.com/ahcometrue/rust-db
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6df8b7e58210e8a37844f9db1d4cd7e9905c287d
[INFO] testing ahcometrue/rust-db against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahcometrue%2Frust-db" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ahcometrue/rust-db on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ahcometrue/rust-db
[INFO] finished tweaking git repo https://github.com/ahcometrue/rust-db
[INFO] tweaked toml for git repo https://github.com/ahcometrue/rust-db written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/ahcometrue/rust-db already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] c25dee0f93adbefa916adc5c374fa8a4e746759324065f64083a959c762aadcc
[INFO] running `"docker" "start" "-a" "c25dee0f93adbefa916adc5c374fa8a4e746759324065f64083a959c762aadcc"`
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]    Compiling libc v0.2.41
[INFO] [stderr]    Compiling cc v1.0.15
[INFO] [stderr]    Compiling serde v1.0.62
[INFO] [stderr]    Compiling regex v1.0.0
[INFO] [stderr]    Compiling byteorder v1.2.3
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]    Compiling cfg-if v0.1.3
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling smallvec v0.6.1
[INFO] [stderr]    Compiling bit-vec v0.5.0
[INFO] [stderr]    Compiling bufstream v0.1.3
[INFO] [stderr]    Compiling rust-ini v0.11.0
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.0
[INFO] [stderr]    Compiling colored v1.6.0
[INFO] [stderr]    Compiling idna v0.1.4
[INFO] [stderr]    Compiling uuid v0.6.5
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling net2 v0.2.32
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling bytes v0.4.8
[INFO] [stderr]    Compiling url v1.7.0
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling twox-hash v1.1.0
[INFO] [stderr]    Compiling atoi v0.2.3
[INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs
[INFO] [stderr]    --> /opt/rustwide/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]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]    Compiling chrono v0.4.2
[INFO] [stderr]    Compiling flate2 v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.18
[INFO] [stderr]    Compiling mysql_common v0.7.0
[INFO] [stderr]    Compiling mysql v13.1.0
[INFO] [stderr]    Compiling rust_db v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.46s
[INFO] running `"docker" "inspect" "c25dee0f93adbefa916adc5c374fa8a4e746759324065f64083a959c762aadcc"`
[INFO] running `"docker" "rm" "-f" "c25dee0f93adbefa916adc5c374fa8a4e746759324065f64083a959c762aadcc"`
[INFO] [stdout] c25dee0f93adbefa916adc5c374fa8a4e746759324065f64083a959c762aadcc
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] a5d3e6457658b31b0f1e0f3072e3f406e7fc7266900304997e401e355b2afa9f
[INFO] running `"docker" "start" "-a" "a5d3e6457658b31b0f1e0f3072e3f406e7fc7266900304997e401e355b2afa9f"`
[INFO] [stderr]    Compiling rust_db v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.99s
[INFO] running `"docker" "inspect" "a5d3e6457658b31b0f1e0f3072e3f406e7fc7266900304997e401e355b2afa9f"`
[INFO] running `"docker" "rm" "-f" "a5d3e6457658b31b0f1e0f3072e3f406e7fc7266900304997e401e355b2afa9f"`
[INFO] [stdout] a5d3e6457658b31b0f1e0f3072e3f406e7fc7266900304997e401e355b2afa9f
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 000a97572970746a044d6a71e3fc0e794545bdd78e182e88b3540b0932f5c2d3
[INFO] running `"docker" "start" "-a" "000a97572970746a044d6a71e3fc0e794545bdd78e182e88b3540b0932f5c2d3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_db-765d9147983d0b40
[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] [stderr]      Running /opt/rustwide/target/debug/deps/rust_db-ac65a737c7e1a522
[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] [stderr]    Doc-tests rust_db
[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" "000a97572970746a044d6a71e3fc0e794545bdd78e182e88b3540b0932f5c2d3"`
[INFO] running `"docker" "rm" "-f" "000a97572970746a044d6a71e3fc0e794545bdd78e182e88b3540b0932f5c2d3"`
[INFO] [stdout] 000a97572970746a044d6a71e3fc0e794545bdd78e182e88b3540b0932f5c2d3