[INFO] updating cached repository https://github.com/cygni/snakebot-client-rust
[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] 53964389fea1970ae0fb35485aa184dd4ec9206b
[INFO] testing cygni/snakebot-client-rust against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcygni%2Fsnakebot-client-rust" "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/cygni/snakebot-client-rust 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/cygni/snakebot-client-rust
[INFO] finished tweaking git repo https://github.com/cygni/snakebot-client-rust
[INFO] tweaked toml for git repo https://github.com/cygni/snakebot-client-rust written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/cygni/snakebot-client-rust 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] 980dadd688f84712d2e9a079c4cf626a670d5e11589f4b722e350e3a0e20d6ce
[INFO] running `"docker" "start" "-a" "980dadd688f84712d2e9a079c4cf626a670d5e11589f4b722e350e3a0e20d6ce"`
[INFO] [stderr]    Compiling target_info v0.1.0
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling serde v1.0.88
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling idna v0.1.4
[INFO] [stderr]    Compiling nom v4.2.0
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling mio v0.6.14
[INFO] [stderr]    Compiling url v1.7.0
[INFO] [stderr]    Compiling mio-extras v2.0.5
[INFO] [stderr]    Compiling serde-hjson v0.8.2
[INFO] [stderr]    Compiling env_logger v0.6.0
[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-1.7.0/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 ws v0.7.9
[INFO] [stderr]    Compiling serde_derive v1.0.88
[INFO] [stderr]    Compiling toml v0.4.6
[INFO] [stderr]    Compiling serde_json v1.0.38
[INFO] [stderr]    Compiling config v0.9.2
[INFO] [stderr]    Compiling snakebot_rust v1.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.55s
[INFO] running `"docker" "inspect" "980dadd688f84712d2e9a079c4cf626a670d5e11589f4b722e350e3a0e20d6ce"`
[INFO] running `"docker" "rm" "-f" "980dadd688f84712d2e9a079c4cf626a670d5e11589f4b722e350e3a0e20d6ce"`
[INFO] [stdout] 980dadd688f84712d2e9a079c4cf626a670d5e11589f4b722e350e3a0e20d6ce
[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] 8cc25ff86a51fe1f9e4c9596611cc420e7c04afaeae9b7d96fb470c0adacb952
[INFO] running `"docker" "start" "-a" "8cc25ff86a51fe1f9e4c9596611cc420e7c04afaeae9b7d96fb470c0adacb952"`
[INFO] [stderr]    Compiling snakebot_rust v1.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.72s
[INFO] running `"docker" "inspect" "8cc25ff86a51fe1f9e4c9596611cc420e7c04afaeae9b7d96fb470c0adacb952"`
[INFO] running `"docker" "rm" "-f" "8cc25ff86a51fe1f9e4c9596611cc420e7c04afaeae9b7d96fb470c0adacb952"`
[INFO] [stdout] 8cc25ff86a51fe1f9e4c9596611cc420e7c04afaeae9b7d96fb470c0adacb952
[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] 994931a84e374ea6a12b343d49d97d880072be7d74682fdbabd85ac51eb1acd8
[INFO] running `"docker" "start" "-a" "994931a84e374ea6a12b343d49d97d880072be7d74682fdbabd85ac51eb1acd8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/snakebot_rust-a1fe6ebc83a7847c
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test utils::test::can_not_move_to_walls ... ok
[INFO] [stdout] test utils::test::snake_can_be_found_by_id ... ok
[INFO] [stdout] test utils::test::can_snake_move_identifies_correctly ... ok
[INFO] [stdout] test utils::test::tile_is_correctly_marked_as_movable ... ok
[INFO] [stdout] test utils::test::tile_is_correctly_found ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "994931a84e374ea6a12b343d49d97d880072be7d74682fdbabd85ac51eb1acd8"`
[INFO] running `"docker" "rm" "-f" "994931a84e374ea6a12b343d49d97d880072be7d74682fdbabd85ac51eb1acd8"`
[INFO] [stdout] 994931a84e374ea6a12b343d49d97d880072be7d74682fdbabd85ac51eb1acd8