[INFO] updating cached repository PurpleMyst/factoid_bot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/PurpleMyst/factoid_bot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/PurpleMyst/factoid_bot" "work/ex/beta-1.38-1/sources/1.37.0/gh/PurpleMyst/factoid_bot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/PurpleMyst/factoid_bot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/PurpleMyst/factoid_bot" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/PurpleMyst/factoid_bot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/PurpleMyst/factoid_bot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] edbbe15f6c186fd8b423095872e95f79d50b3d2b
[INFO] sha for GitHub repo PurpleMyst/factoid_bot: edbbe15f6c186fd8b423095872e95f79d50b3d2b
[INFO] validating manifest of PurpleMyst/factoid_bot 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 PurpleMyst/factoid_bot 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 PurpleMyst/factoid_bot
[INFO] finished frobbing PurpleMyst/factoid_bot
[INFO] frobbed toml for PurpleMyst/factoid_bot written to work/ex/beta-1.38-1/sources/1.37.0/gh/PurpleMyst/factoid_bot/Cargo.toml
[INFO] started frobbing PurpleMyst/factoid_bot
[INFO] finished frobbing PurpleMyst/factoid_bot
[INFO] frobbed toml for PurpleMyst/factoid_bot written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/PurpleMyst/factoid_bot/Cargo.toml
[INFO] crate PurpleMyst/factoid_bot 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing PurpleMyst/factoid_bot 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/PurpleMyst/factoid_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=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] e1b9c9b59e9b350d53dbef1fe1daedeb2c4c833e270502f2febcd0f59656569d
[INFO] running `"docker" "start" "-a" "e1b9c9b59e9b350d53dbef1fe1daedeb2c4c833e270502f2febcd0f59656569d"`
[INFO] [stderr]    Compiling cc v1.0.14
[INFO] [stderr]    Compiling redis v0.8.0
[INFO] [stderr]    Compiling serde v1.0.43
[INFO] [stderr]    Compiling bufstream v0.1.3
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling net2 v0.2.32
[INFO] [stderr]    Compiling crossbeam-utils v0.3.2
[INFO] [stderr]    Compiling regex-syntax v0.5.5
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]    Compiling tokio-timer v0.1.2
[INFO] [stderr]    Compiling tokio-timer v0.2.1
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.4.1
[INFO] [stderr]    Compiling tokio-io v0.1.6
[INFO] [stderr]    Compiling syn v0.13.4
[INFO] [stderr]    Compiling url v1.7.0
[INFO] [stderr]    Compiling chrono v0.4.2
[INFO] [stderr]    Compiling mio v0.6.14
[INFO] [stderr]    Compiling crossbeam-deque v0.3.0
[INFO] [stderr]    Compiling tokio-mockstream v1.1.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.2
[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-1.7.0/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-sys v0.9.28
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling tokio-reactor v0.1.1
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling tokio-tcp v0.1.0
[INFO] [stderr]    Compiling tokio-udp v0.1.0
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling tokio v0.1.5
[INFO] [stderr]    Compiling simple_redis v0.3.41
[INFO] [stderr]    Compiling serde_derive_internals v0.23.1
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling toml v0.4.6
[INFO] [stderr]    Compiling env_logger v0.5.9
[INFO] [stderr]    Compiling serde_derive v1.0.43
[INFO] [stderr]    Compiling native-tls v0.1.5
[INFO] [stderr]    Compiling tokio-tls v0.1.4
[INFO] [stderr]    Compiling backtrace v0.3.6
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling irc v0.13.5
[INFO] [stderr]    Compiling factoid_bot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 20s
[INFO] running `"docker" "inspect" "e1b9c9b59e9b350d53dbef1fe1daedeb2c4c833e270502f2febcd0f59656569d"`
[INFO] running `"docker" "rm" "-f" "e1b9c9b59e9b350d53dbef1fe1daedeb2c4c833e270502f2febcd0f59656569d"`
[INFO] [stdout] e1b9c9b59e9b350d53dbef1fe1daedeb2c4c833e270502f2febcd0f59656569d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/PurpleMyst/factoid_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=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] bb2caa71ee1ade4e97d20a0cb82b6a46a2fe53151c122ea4274b8a56f82a41ee
[INFO] running `"docker" "start" "-a" "bb2caa71ee1ade4e97d20a0cb82b6a46a2fe53151c122ea4274b8a56f82a41ee"`
[INFO] [stderr]    Compiling factoid_bot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `"docker" "inspect" "bb2caa71ee1ade4e97d20a0cb82b6a46a2fe53151c122ea4274b8a56f82a41ee"`
[INFO] running `"docker" "rm" "-f" "bb2caa71ee1ade4e97d20a0cb82b6a46a2fe53151c122ea4274b8a56f82a41ee"`
[INFO] [stdout] bb2caa71ee1ade4e97d20a0cb82b6a46a2fe53151c122ea4274b8a56f82a41ee
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/PurpleMyst/factoid_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=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] 335ad4569f238b81095d98d19583c7a79d28e8be1ad00684d8440af50e4c1967
[INFO] running `"docker" "start" "-a" "335ad4569f238b81095d98d19583c7a79d28e8be1ad00684d8440af50e4c1967"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/factoid_bot-ec642e98d0051abc
[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" "335ad4569f238b81095d98d19583c7a79d28e8be1ad00684d8440af50e4c1967"`
[INFO] running `"docker" "rm" "-f" "335ad4569f238b81095d98d19583c7a79d28e8be1ad00684d8440af50e4c1967"`
[INFO] [stdout] 335ad4569f238b81095d98d19583c7a79d28e8be1ad00684d8440af50e4c1967