[INFO] updating cached repository https://github.com/eagletmt/fastladder-bookwalker
[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] 58f705ec21c44513aac905830b09a7d4627af0ae
[INFO] testing eagletmt/fastladder-bookwalker against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Feagletmt%2Ffastladder-bookwalker" "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/eagletmt/fastladder-bookwalker 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/eagletmt/fastladder-bookwalker
[INFO] finished tweaking git repo https://github.com/eagletmt/fastladder-bookwalker
[INFO] tweaked toml for git repo https://github.com/eagletmt/fastladder-bookwalker written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/eagletmt/fastladder-bookwalker 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] afe6e4d78817640b380c92f5ad6eb7533f79783ea0b17b4c25416f344758344b
[INFO] running `"docker" "start" "-a" "afe6e4d78817640b380c92f5ad6eb7533f79783ea0b17b4c25416f344758344b"`
[INFO] [stderr]    Compiling rayon-core v1.0.0
[INFO] [stderr]    Compiling deque v0.3.2
[INFO] [stderr]    Compiling gcc v0.3.46
[INFO] [stderr]    Compiling untrusted v0.5.0
[INFO] [stderr]    Compiling bit-vec v0.4.3
[INFO] [stderr]    Compiling serde v1.0.5
[INFO] [stderr]    Compiling utf-8 v0.6.0
[INFO] [stderr]    Compiling mime v0.2.4
[INFO] [stderr]    Compiling clap v2.24.2
[INFO] [stderr]    Compiling string_cache_codegen v0.3.1
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling futf v0.1.3
[INFO] [stderr]    Compiling url v1.4.0
[INFO] [stderr]    Compiling hyper v0.10.10
[INFO] [stderr]    Compiling tendril v0.2.4
[INFO] [stderr]    Compiling html5ever v0.14.1
[INFO] [stderr]    Compiling bit-set v0.4.0
[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-1.4.0/src/form_urlencoded.rs:246:40
[INFO] [stderr]     |
[INFO] [stderr] 244 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] 245 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stderr] 246 |     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 string_cache v0.4.0
[INFO] [stderr]    Compiling html5ever-atoms v0.2.2
[INFO] [stderr]    Compiling rayon v0.7.0
[INFO] [stderr]    Compiling ring v0.9.5
[INFO] [stderr]    Compiling serde_json v1.0.2
[INFO] [stderr]    Compiling webpki v0.12.1
[INFO] [stderr]    Compiling rustls v0.8.0
[INFO] [stderr]    Compiling webpki-roots v0.10.0
[INFO] [stderr]    Compiling select v0.4.0
[INFO] [stderr]    Compiling hyper-rustls v0.6.0
[INFO] [stderr]    Compiling fastladder-bookwalker v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.05s
[INFO] running `"docker" "inspect" "afe6e4d78817640b380c92f5ad6eb7533f79783ea0b17b4c25416f344758344b"`
[INFO] running `"docker" "rm" "-f" "afe6e4d78817640b380c92f5ad6eb7533f79783ea0b17b4c25416f344758344b"`
[INFO] [stdout] afe6e4d78817640b380c92f5ad6eb7533f79783ea0b17b4c25416f344758344b
[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] 78fe0f495b3a948ccbff4f3bb12b7d8ea355c4a219763589a54731fb53e83f57
[INFO] running `"docker" "start" "-a" "78fe0f495b3a948ccbff4f3bb12b7d8ea355c4a219763589a54731fb53e83f57"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fastladder-bookwalker v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `"docker" "inspect" "78fe0f495b3a948ccbff4f3bb12b7d8ea355c4a219763589a54731fb53e83f57"`
[INFO] running `"docker" "rm" "-f" "78fe0f495b3a948ccbff4f3bb12b7d8ea355c4a219763589a54731fb53e83f57"`
[INFO] [stdout] 78fe0f495b3a948ccbff4f3bb12b7d8ea355c4a219763589a54731fb53e83f57
[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] ab01836fed7db09178db3e61b47d06e3f7d502e36220ac5b6da440be70281b65
[INFO] running `"docker" "start" "-a" "ab01836fed7db09178db3e61b47d06e3f7d502e36220ac5b6da440be70281b65"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fastladder_bookwalker-cd7277dc242be8cc
[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" "ab01836fed7db09178db3e61b47d06e3f7d502e36220ac5b6da440be70281b65"`
[INFO] running `"docker" "rm" "-f" "ab01836fed7db09178db3e61b47d06e3f7d502e36220ac5b6da440be70281b65"`
[INFO] [stdout] ab01836fed7db09178db3e61b47d06e3f7d502e36220ac5b6da440be70281b65