[INFO] cloning repository shousper/rust_bucket
[INFO] running `"git" "clone" "--bare" "git://github.com/shousper/rust_bucket.git" "work/cache/sources/gh/shousper/rust_bucket"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/shousper/rust_bucket'...
[INFO] running `"git" "clone" "work/cache/sources/gh/shousper/rust_bucket" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/shousper/rust_bucket"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/shousper/rust_bucket'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/shousper/rust_bucket" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/shousper/rust_bucket"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/shousper/rust_bucket'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a88e6b39bb1ad91459545709aa70043f9e30f69e
[INFO] sha for GitHub repo shousper/rust_bucket: a88e6b39bb1ad91459545709aa70043f9e30f69e
[INFO] validating manifest of shousper/rust_bucket on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of shousper/rust_bucket on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing shousper/rust_bucket
[INFO] finished frobbing shousper/rust_bucket
[INFO] frobbed toml for shousper/rust_bucket written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/shousper/rust_bucket/Cargo.toml
[INFO] started frobbing shousper/rust_bucket
[INFO] finished frobbing shousper/rust_bucket
[INFO] frobbed toml for shousper/rust_bucket written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/shousper/rust_bucket/Cargo.toml
[INFO] crate shousper/rust_bucket already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slack v0.20.0
[INFO] [stderr]   Downloaded tungstenite v0.5.3
[INFO] [stderr]   Downloaded slack_api v0.19.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing shousper/rust_bucket against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/shousper/rust_bucket:/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 729ce3357c530ea67fc024ca5bcb2baaf7de5848ed067a0a626d22a825bddca0
[INFO] running `"docker" "start" "-a" "729ce3357c530ea67fc024ca5bcb2baaf7de5848ed067a0a626d22a825bddca0"`
[INFO] [stderr]    Compiling num-traits v0.2.3
[INFO] [stderr]    Compiling sha1 v0.4.0
[INFO] [stderr]    Compiling openssl-sys v0.9.30
[INFO] [stderr]    Compiling base64 v0.6.0
[INFO] [stderr]    Compiling base64 v0.9.2
[INFO] [stderr]    Compiling rand v0.5.0
[INFO] [stderr]    Compiling bytes v0.4.7
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling url v1.7.0
[INFO] [stderr]    Compiling regex v1.0.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling input_buffer v0.1.1
[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-1.7.0/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 openssl v0.9.24
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling hyper v0.10.13
[INFO] [stderr]    Compiling serde_urlencoded v0.4.3
[INFO] [stderr]    Compiling env_logger v0.5.10
[INFO] [stderr]    Compiling native-tls v0.1.5
[INFO] [stderr]    Compiling tungstenite v0.5.3
[INFO] [stderr]    Compiling hyper-native-tls v0.2.4
[INFO] [stderr]    Compiling reqwest v0.4.0
[INFO] [stderr]    Compiling slack_api v0.19.0
[INFO] [stderr]    Compiling slack v0.20.0
[INFO] [stderr]    Compiling rust_bucket v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bot.rs:19:23
[INFO] [stderr]    |
[INFO] [stderr] 19 |     handlers: Vec<Box<Handler>>,
[INFO] [stderr]    |                       ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 52s
[INFO] running `"docker" "inspect" "729ce3357c530ea67fc024ca5bcb2baaf7de5848ed067a0a626d22a825bddca0"`
[INFO] running `"docker" "rm" "-f" "729ce3357c530ea67fc024ca5bcb2baaf7de5848ed067a0a626d22a825bddca0"`
[INFO] [stdout] 729ce3357c530ea67fc024ca5bcb2baaf7de5848ed067a0a626d22a825bddca0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/shousper/rust_bucket:/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 11f3c0dfa6c02fca74656fd572b41145ad67ded1516d9a6067d2cc69ac766ee5
[INFO] running `"docker" "start" "-a" "11f3c0dfa6c02fca74656fd572b41145ad67ded1516d9a6067d2cc69ac766ee5"`
[INFO] [stderr]    Compiling rust_bucket v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bot.rs:19:23
[INFO] [stderr]    |
[INFO] [stderr] 19 |     handlers: Vec<Box<Handler>>,
[INFO] [stderr]    |                       ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `"docker" "inspect" "11f3c0dfa6c02fca74656fd572b41145ad67ded1516d9a6067d2cc69ac766ee5"`
[INFO] running `"docker" "rm" "-f" "11f3c0dfa6c02fca74656fd572b41145ad67ded1516d9a6067d2cc69ac766ee5"`
[INFO] [stdout] 11f3c0dfa6c02fca74656fd572b41145ad67ded1516d9a6067d2cc69ac766ee5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/shousper/rust_bucket:/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] 1cc0bb72f44c26a1800461740f4a0db989902b7c09c5aa26140668f93cdfdab6
[INFO] running `"docker" "start" "-a" "1cc0bb72f44c26a1800461740f4a0db989902b7c09c5aa26140668f93cdfdab6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_bucket-1ccdd94e493fd6d9
[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" "1cc0bb72f44c26a1800461740f4a0db989902b7c09c5aa26140668f93cdfdab6"`
[INFO] running `"docker" "rm" "-f" "1cc0bb72f44c26a1800461740f4a0db989902b7c09c5aa26140668f93cdfdab6"`
[INFO] [stdout] 1cc0bb72f44c26a1800461740f4a0db989902b7c09c5aa26140668f93cdfdab6