[INFO] cloning repository tsub/rust-slack-bot
[INFO] running `"git" "clone" "--bare" "git://github.com/tsub/rust-slack-bot.git" "work/cache/sources/gh/tsub/rust-slack-bot"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/tsub/rust-slack-bot'...
[INFO] running `"git" "clone" "work/cache/sources/gh/tsub/rust-slack-bot" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/tsub/rust-slack-bot"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/tsub/rust-slack-bot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tsub/rust-slack-bot" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/tsub/rust-slack-bot"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/tsub/rust-slack-bot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 62087c25e9f861d7aa89fe90aea1f1b1b312c373
[INFO] sha for GitHub repo tsub/rust-slack-bot: 62087c25e9f861d7aa89fe90aea1f1b1b312c373
[INFO] validating manifest of tsub/rust-slack-bot 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 tsub/rust-slack-bot 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 tsub/rust-slack-bot
[INFO] finished frobbing tsub/rust-slack-bot
[INFO] frobbed toml for tsub/rust-slack-bot written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/tsub/rust-slack-bot/Cargo.toml
[INFO] started frobbing tsub/rust-slack-bot
[INFO] finished frobbing tsub/rust-slack-bot
[INFO] frobbed toml for tsub/rust-slack-bot written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/tsub/rust-slack-bot/Cargo.toml
[INFO] crate tsub/rust-slack-bot 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 tungstenite v0.2.4
[INFO] [stderr]   Downloaded slack v0.18.0
[INFO] [stderr]   Downloaded utf-8 v0.7.1
[INFO] [stderr]   Downloaded serde_derive v0.9.15
[INFO] [stderr]   Downloaded reqwest v0.4.0
[INFO] [stderr]   Downloaded slack_api v0.17.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing tsub/rust-slack-bot against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/tsub/rust-slack-bot:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 262edfc9bd0d6ccf2b2ae33ac4360db965f22eb5a2f1dd37f41bc19d3f59107f
[INFO] running `"docker" "start" "-a" "262edfc9bd0d6ccf2b2ae33ac4360db965f22eb5a2f1dd37f41bc19d3f59107f"`
[INFO] [stderr]    Compiling gcc v0.3.51
[INFO] [stderr]    Compiling openssl v0.9.17
[INFO] [stderr]    Compiling libc v0.2.29
[INFO] [stderr]    Compiling utf-8 v0.7.1
[INFO] [stderr]    Compiling base64 v0.5.2
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling url v1.5.1
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling num_cpus v1.6.2
[INFO] [stderr]    Compiling iovec v0.1.0
[INFO] [stderr]    Compiling rand v0.3.16
[INFO] [stderr]    Compiling serde_derive v0.9.15
[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-1.5.1/src/form_urlencoded.rs:251:40
[INFO] [stderr]     |
[INFO] [stderr] 249 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] 250 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stderr] 251 |     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 bytes v0.4.5
[INFO] [stderr]    Compiling hyper v0.10.12
[INFO] [stderr]    Compiling serde_urlencoded v0.4.3
[INFO] [stderr]    Compiling openssl-sys v0.9.17
[INFO] [stderr]    Compiling native-tls v0.1.4
[INFO] [stderr]    Compiling tungstenite v0.2.4
[INFO] [stderr]    Compiling hyper-native-tls v0.2.4
[INFO] [stderr]    Compiling reqwest v0.4.0
[INFO] [stderr]    Compiling slack_api v0.17.0
[INFO] [stderr]    Compiling slack v0.18.0
[INFO] [stderr]    Compiling rust_slack_bot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 45s
[INFO] running `"docker" "inspect" "262edfc9bd0d6ccf2b2ae33ac4360db965f22eb5a2f1dd37f41bc19d3f59107f"`
[INFO] running `"docker" "rm" "-f" "262edfc9bd0d6ccf2b2ae33ac4360db965f22eb5a2f1dd37f41bc19d3f59107f"`
[INFO] [stdout] 262edfc9bd0d6ccf2b2ae33ac4360db965f22eb5a2f1dd37f41bc19d3f59107f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/tsub/rust-slack-bot:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] df7e02b9de5f1b2cf2bb77b5d45fb4ffdefa01b2f3f103e5822441129eebbdd6
[INFO] running `"docker" "start" "-a" "df7e02b9de5f1b2cf2bb77b5d45fb4ffdefa01b2f3f103e5822441129eebbdd6"`
[INFO] [stderr]    Compiling rust_slack_bot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `"docker" "inspect" "df7e02b9de5f1b2cf2bb77b5d45fb4ffdefa01b2f3f103e5822441129eebbdd6"`
[INFO] running `"docker" "rm" "-f" "df7e02b9de5f1b2cf2bb77b5d45fb4ffdefa01b2f3f103e5822441129eebbdd6"`
[INFO] [stdout] df7e02b9de5f1b2cf2bb77b5d45fb4ffdefa01b2f3f103e5822441129eebbdd6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/tsub/rust-slack-bot:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] 22f926124bdc26f9136f7e78cecde5f1f2a5709a5acf145705b15eddfb031199
[INFO] running `"docker" "start" "-a" "22f926124bdc26f9136f7e78cecde5f1f2a5709a5acf145705b15eddfb031199"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_slack_bot-1ff252557f077e44
[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/crater/target/debug/deps/rust_slack_bot-6d9a16347bb51546
[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_slack_bot
[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" "22f926124bdc26f9136f7e78cecde5f1f2a5709a5acf145705b15eddfb031199"`
[INFO] running `"docker" "rm" "-f" "22f926124bdc26f9136f7e78cecde5f1f2a5709a5acf145705b15eddfb031199"`
[INFO] [stdout] 22f926124bdc26f9136f7e78cecde5f1f2a5709a5acf145705b15eddfb031199