[INFO] updating cached repository RustRome/rust-week-bot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/RustRome/rust-week-bot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/RustRome/rust-week-bot" "work/ex/beta-1.38-1/sources/1.37.0/gh/RustRome/rust-week-bot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/RustRome/rust-week-bot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/RustRome/rust-week-bot" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/RustRome/rust-week-bot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/RustRome/rust-week-bot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 387c03988b412ad1621baae80a6d48f5766cd3b9
[INFO] sha for GitHub repo RustRome/rust-week-bot: 387c03988b412ad1621baae80a6d48f5766cd3b9
[INFO] validating manifest of RustRome/rust-week-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 RustRome/rust-week-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 RustRome/rust-week-bot
[INFO] finished frobbing RustRome/rust-week-bot
[INFO] frobbed toml for RustRome/rust-week-bot written to work/ex/beta-1.38-1/sources/1.37.0/gh/RustRome/rust-week-bot/Cargo.toml
[INFO] started frobbing RustRome/rust-week-bot
[INFO] finished frobbing RustRome/rust-week-bot
[INFO] frobbed toml for RustRome/rust-week-bot written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/RustRome/rust-week-bot/Cargo.toml
[INFO] crate RustRome/rust-week-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] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/RustRome/rust-week-bot/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 RustRome/rust-week-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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/RustRome/rust-week-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] 36ef9da487e9c1b3ba7c50bc11541b1bbb4419976a90286b17946840d428d8bd
[INFO] running `"docker" "start" "-a" "36ef9da487e9c1b3ba7c50bc11541b1bbb4419976a90286b17946840d428d8bd"`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling constant_time_eq v0.1.4
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling uuid v0.6.5
[INFO] [stderr]    Compiling digest v0.6.2
[INFO] [stderr]    Compiling url_serde v0.2.0
[INFO] [stderr]    Compiling redis v0.8.0
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]    Compiling sha-1 v0.4.1
[INFO] [stderr]    Compiling crypto-mac v0.4.0
[INFO] [stderr]    Compiling dotenv v0.10.1
[INFO] [stderr]    Compiling hmac v0.4.2
[INFO] [stderr]    Compiling bit-set v0.5.1
[INFO] [stderr]    Compiling reqwest v0.8.8
[INFO] [stderr]    Compiling egg-mode v0.11.0
[INFO] [stderr]    Compiling slack-hook v0.6.0
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling markup5ever v0.8.1
[INFO] [stderr] warning[E0502]: cannot borrow `*self.handle` as immutable because it is also borrowed as mutable
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/egg-mode-0.11.0/src/tweet/mod.rs:577:40
[INFO] [stderr]     |
[INFO] [stderr] 572 |       pub fn older<'s>(&'s mut self, since_id: Option<u64>) -> TimelineFuture<'s, 'a> {
[INFO] [stderr]     |                    -- lifetime `'s` defined here
[INFO] [stderr] ...
[INFO] [stderr] 575 | /         TimelineFuture {
[INFO] [stderr] 576 | |             timeline: self,
[INFO] [stderr]     | |                       ---- mutable borrow occurs here
[INFO] [stderr] 577 | |             loader: make_parsed_future(self.handle, req),
[INFO] [stderr]     | |                                        ^^^^^^^^^^^ immutable borrow occurs here
[INFO] [stderr] 578 | |         }
[INFO] [stderr]     | |_________- returning this value requires that `*self` is borrowed for `'s`
[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] warning[E0502]: cannot borrow `*self.handle` as immutable because it is also borrowed as mutable
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/egg-mode-0.11.0/src/tweet/mod.rs:588:40
[INFO] [stderr]     |
[INFO] [stderr] 583 |       pub fn newer<'s>(&'s mut self, max_id: Option<u64>) -> TimelineFuture<'s, 'a> {
[INFO] [stderr]     |                    -- lifetime `'s` defined here
[INFO] [stderr] ...
[INFO] [stderr] 586 | /         TimelineFuture {
[INFO] [stderr] 587 | |             timeline: self,
[INFO] [stderr]     | |                       ---- mutable borrow occurs here
[INFO] [stderr] 588 | |             loader: make_parsed_future(self.handle, req),
[INFO] [stderr]     | |                                        ^^^^^^^^^^^ immutable borrow occurs here
[INFO] [stderr] 589 | |         }
[INFO] [stderr]     | |_________- returning this value requires that `*self` is borrowed for `'s`
[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] warning[E0502]: cannot borrow `*self.handle` as immutable because it is also borrowed as mutable
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/egg-mode-0.11.0/src/direct/mod.rs:316:40
[INFO] [stderr]     |
[INFO] [stderr] 311 |       pub fn older<'s>(&'s mut self, since_id: Option<u64>) -> TimelineFuture<'s, 'a> {
[INFO] [stderr]     |                    -- lifetime `'s` defined here
[INFO] [stderr] ...
[INFO] [stderr] 314 | /         TimelineFuture {
[INFO] [stderr] 315 | |             timeline: self,
[INFO] [stderr]     | |                       ---- mutable borrow occurs here
[INFO] [stderr] 316 | |             loader: make_parsed_future(self.handle, req),
[INFO] [stderr]     | |                                        ^^^^^^^^^^^ immutable borrow occurs here
[INFO] [stderr] 317 | |         }
[INFO] [stderr]     | |_________- returning this value requires that `*self` is borrowed for `'s`
[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] warning[E0502]: cannot borrow `*self.handle` as immutable because it is also borrowed as mutable
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/egg-mode-0.11.0/src/direct/mod.rs:327:40
[INFO] [stderr]     |
[INFO] [stderr] 322 |       pub fn newer<'s>(&'s mut self, max_id: Option<u64>) -> TimelineFuture<'s, 'a> {
[INFO] [stderr]     |                    -- lifetime `'s` defined here
[INFO] [stderr] ...
[INFO] [stderr] 325 | /         TimelineFuture {
[INFO] [stderr] 326 | |             timeline: self,
[INFO] [stderr]     | |                       ---- mutable borrow occurs here
[INFO] [stderr] 327 | |             loader: make_parsed_future(self.handle, req),
[INFO] [stderr]     | |                                        ^^^^^^^^^^^ immutable borrow occurs here
[INFO] [stderr] 328 | |         }
[INFO] [stderr]     | |_________- returning this value requires that `*self` is borrowed for `'s`
[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 html5ever v0.23.0
[INFO] [stderr]    Compiling select v0.4.3
[INFO] [stderr]    Compiling rust-week-bot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: struct is never constructed: `ConsolePublisher`
[INFO] [stderr]   --> src/publisher.rs:45:1
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub struct ConsolePublisher;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 26s
[INFO] running `"docker" "inspect" "36ef9da487e9c1b3ba7c50bc11541b1bbb4419976a90286b17946840d428d8bd"`
[INFO] running `"docker" "rm" "-f" "36ef9da487e9c1b3ba7c50bc11541b1bbb4419976a90286b17946840d428d8bd"`
[INFO] [stdout] 36ef9da487e9c1b3ba7c50bc11541b1bbb4419976a90286b17946840d428d8bd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/RustRome/rust-week-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] 0bc5160c57265911cce7d4bac31f33edc8a3fab56f4bf89e7fa6e274a6360810
[INFO] running `"docker" "start" "-a" "0bc5160c57265911cce7d4bac31f33edc8a3fab56f4bf89e7fa6e274a6360810"`
[INFO] [stderr]    Compiling rust-week-bot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: struct is never constructed: `ConsolePublisher`
[INFO] [stderr]   --> src/publisher.rs:45:1
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub struct ConsolePublisher;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.51s
[INFO] running `"docker" "inspect" "0bc5160c57265911cce7d4bac31f33edc8a3fab56f4bf89e7fa6e274a6360810"`
[INFO] running `"docker" "rm" "-f" "0bc5160c57265911cce7d4bac31f33edc8a3fab56f4bf89e7fa6e274a6360810"`
[INFO] [stdout] 0bc5160c57265911cce7d4bac31f33edc8a3fab56f4bf89e7fa6e274a6360810
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/RustRome/rust-week-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] ea0d6d8587f021da2b0a5e3e1c65ba2570a2eb1dababee79b2b983bda792bc86
[INFO] running `"docker" "start" "-a" "ea0d6d8587f021da2b0a5e3e1c65ba2570a2eb1dababee79b2b983bda792bc86"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_week_bot-f6d8cd2965487a1b
[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" "ea0d6d8587f021da2b0a5e3e1c65ba2570a2eb1dababee79b2b983bda792bc86"`
[INFO] running `"docker" "rm" "-f" "ea0d6d8587f021da2b0a5e3e1c65ba2570a2eb1dababee79b2b983bda792bc86"`
[INFO] [stdout] ea0d6d8587f021da2b0a5e3e1c65ba2570a2eb1dababee79b2b983bda792bc86