[INFO] updating cached repository timglabisch/innodblockmon
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/timglabisch/innodblockmon
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/timglabisch/innodblockmon" "work/ex/beta-1.38-1/sources/1.37.0/gh/timglabisch/innodblockmon"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/timglabisch/innodblockmon'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/timglabisch/innodblockmon" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/timglabisch/innodblockmon"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/timglabisch/innodblockmon'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ca65fb25a02828e1272b6475877e0ad2c86e91a7
[INFO] sha for GitHub repo timglabisch/innodblockmon: ca65fb25a02828e1272b6475877e0ad2c86e91a7
[INFO] validating manifest of timglabisch/innodblockmon on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of timglabisch/innodblockmon on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing timglabisch/innodblockmon
[INFO] finished frobbing timglabisch/innodblockmon
[INFO] frobbed toml for timglabisch/innodblockmon written to work/ex/beta-1.38-1/sources/1.37.0/gh/timglabisch/innodblockmon/Cargo.toml
[INFO] started frobbing timglabisch/innodblockmon
[INFO] finished frobbing timglabisch/innodblockmon
[INFO] frobbed toml for timglabisch/innodblockmon written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/timglabisch/innodblockmon/Cargo.toml
[INFO] crate timglabisch/innodblockmon already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing timglabisch/innodblockmon against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/timglabisch/innodblockmon:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] ee947aa2a4d1499e57e354da24554fe6162c1030fa98c99c2a519cd2bb176d00
[INFO] running `"docker" "start" "-a" "ee947aa2a4d1499e57e354da24554fe6162c1030fa98c99c2a519cd2bb176d00"`
[INFO] [stderr]    Compiling serde v1.0.17
[INFO] [stderr]    Compiling atoi v0.2.2
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling rand v0.3.17
[INFO] [stderr]    Compiling nix v0.9.0
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling url v1.6.0
[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-1.6.0/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 twox-hash v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.5
[INFO] [stderr]    Compiling mysql_common v0.2.0
[INFO] [stderr]    Compiling mysql v12.0.3
[INFO] [stderr]    Compiling innodblockmon v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/main.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     Ok(())
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.19s
[INFO] running `"docker" "inspect" "ee947aa2a4d1499e57e354da24554fe6162c1030fa98c99c2a519cd2bb176d00"`
[INFO] running `"docker" "rm" "-f" "ee947aa2a4d1499e57e354da24554fe6162c1030fa98c99c2a519cd2bb176d00"`
[INFO] [stdout] ee947aa2a4d1499e57e354da24554fe6162c1030fa98c99c2a519cd2bb176d00
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/timglabisch/innodblockmon:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9a3e5c705f27a4a99867cab9cc2d9866ef3b34b35cd4509a0e342507adf45b00
[INFO] running `"docker" "start" "-a" "9a3e5c705f27a4a99867cab9cc2d9866ef3b34b35cd4509a0e342507adf45b00"`
[INFO] [stderr]    Compiling innodblockmon v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/main.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     Ok(())
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `"docker" "inspect" "9a3e5c705f27a4a99867cab9cc2d9866ef3b34b35cd4509a0e342507adf45b00"`
[INFO] running `"docker" "rm" "-f" "9a3e5c705f27a4a99867cab9cc2d9866ef3b34b35cd4509a0e342507adf45b00"`
[INFO] [stdout] 9a3e5c705f27a4a99867cab9cc2d9866ef3b34b35cd4509a0e342507adf45b00
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/timglabisch/innodblockmon:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 66e44e9630f9a07a7bff3ef0b03b4abfc7f385962e56e145ccb66da665cf286c
[INFO] running `"docker" "start" "-a" "66e44e9630f9a07a7bff3ef0b03b4abfc7f385962e56e145ccb66da665cf286c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/innodblockmon-b6d60508a4ef049e
[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" "66e44e9630f9a07a7bff3ef0b03b4abfc7f385962e56e145ccb66da665cf286c"`
[INFO] running `"docker" "rm" "-f" "66e44e9630f9a07a7bff3ef0b03b4abfc7f385962e56e145ccb66da665cf286c"`
[INFO] [stdout] 66e44e9630f9a07a7bff3ef0b03b4abfc7f385962e56e145ccb66da665cf286c