[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-1.37-6/sources/1.36.0/gh/RustRome/rust-week-bot"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/RustRome/rust-week-bot'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/RustRome/rust-week-bot" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/RustRome/rust-week-bot"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of RustRome/rust-week-bot on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] [stderr] Updating crates.io index [INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing RustRome/rust-week-bot against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "build" "--frozen"` [INFO] [stdout] c727b7b0bf26769ca1d34d986d373d87799e4ec7bc643a0219d93c4fd1868129 [INFO] running `"docker" "start" "-a" "c727b7b0bf26769ca1d34d986d373d87799e4ec7bc643a0219d93c4fd1868129"` [INFO] [stderr] Compiling syn v0.15.42 [INFO] [stderr] Compiling bit-vec v0.5.1 [INFO] [stderr] Compiling redis v0.8.0 [INFO] [stderr] Compiling want v0.0.4 [INFO] [stderr] Compiling url_serde v0.2.0 [INFO] [stderr] Compiling tokio-io v0.1.12 [INFO] [stderr] Compiling mio-uds v0.6.7 [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 dotenv v0.10.1 [INFO] [stderr] Compiling tokio-threadpool v0.1.15 [INFO] [stderr] Compiling bit-set v0.5.1 [INFO] [stderr] Compiling tokio-reactor v0.1.9 [INFO] [stderr] Compiling tokio-codec v0.1.1 [INFO] [stderr] Compiling string_cache v0.7.3 [INFO] [stderr] Compiling tokio-uds v0.2.5 [INFO] [stderr] Compiling tokio-udp v0.1.3 [INFO] [stderr] Compiling tokio-tcp v0.1.3 [INFO] [stderr] Compiling tokio-fs v0.1.6 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling tokio-core v0.1.17 [INFO] [stderr] Compiling tokio-proto v0.1.1 [INFO] [stderr] Compiling tokio-tls v0.1.4 [INFO] [stderr] Compiling hyper v0.11.27 [INFO] [stderr] Compiling serde_derive v1.0.98 [INFO] [stderr] Compiling html5ever v0.23.0 [INFO] [stderr] Compiling hyper-tls v0.1.4 [INFO] [stderr] Compiling reqwest v0.7.3 [INFO] [stderr] Compiling egg-mode v0.11.0 [INFO] [stderr] Compiling reqwest v0.8.8 [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) -> 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) -> 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) -> 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) -> 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 slack-hook v0.6.0 [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 2m 08s [INFO] running `"docker" "inspect" "c727b7b0bf26769ca1d34d986d373d87799e4ec7bc643a0219d93c4fd1868129"` [INFO] running `"docker" "rm" "-f" "c727b7b0bf26769ca1d34d986d373d87799e4ec7bc643a0219d93c4fd1868129"` [INFO] [stdout] c727b7b0bf26769ca1d34d986d373d87799e4ec7bc643a0219d93c4fd1868129 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"` [INFO] [stdout] 1cbfd18919279dd0ea593d933c131defd4452312ea8a0113529c942cf4be4c90 [INFO] running `"docker" "start" "-a" "1cbfd18919279dd0ea593d933c131defd4452312ea8a0113529c942cf4be4c90"` [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 2.53s [INFO] running `"docker" "inspect" "1cbfd18919279dd0ea593d933c131defd4452312ea8a0113529c942cf4be4c90"` [INFO] running `"docker" "rm" "-f" "1cbfd18919279dd0ea593d933c131defd4452312ea8a0113529c942cf4be4c90"` [INFO] [stdout] 1cbfd18919279dd0ea593d933c131defd4452312ea8a0113529c942cf4be4c90 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "test" "--frozen"` [INFO] [stdout] b13cee99930ec9d94ff0412f28f26e49ba68d0781f6570e0a541f5d9c612ea0c [INFO] running `"docker" "start" "-a" "b13cee99930ec9d94ff0412f28f26e49ba68d0781f6570e0a541f5d9c612ea0c"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.29s [INFO] [stderr] Running /opt/crater/target/debug/deps/rust_week_bot-b7eecb30a1c6d84c [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" "b13cee99930ec9d94ff0412f28f26e49ba68d0781f6570e0a541f5d9c612ea0c"` [INFO] running `"docker" "rm" "-f" "b13cee99930ec9d94ff0412f28f26e49ba68d0781f6570e0a541f5d9c612ea0c"` [INFO] [stdout] b13cee99930ec9d94ff0412f28f26e49ba68d0781f6570e0a541f5d9c612ea0c