[INFO] updating cached repository https://github.com/blockexplorer/haproxy-alert
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 64ee216826fb07e46d2a7ac59467a36b339e0218
[INFO] checking blockexplorer/haproxy-alert against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblockexplorer%2Fhaproxy-alert" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/blockexplorer/haproxy-alert on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/blockexplorer/haproxy-alert
[INFO] finished tweaking git repo https://github.com/blockexplorer/haproxy-alert
[INFO] tweaked toml for git repo https://github.com/blockexplorer/haproxy-alert written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/blockexplorer/haproxy-alert already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0bd4b1f93fbe08f673cf9c6401c3099e4fd3c29af1300e64f62700650832c868
[INFO] running `"docker" "start" "-a" "0bd4b1f93fbe08f673cf9c6401c3099e4fd3c29af1300e64f62700650832c868"`
[INFO] [stderr]     Checking smtpd v0.1.0 (https://github.com/gkbrk/rust-smtpd#d20ed0cc)
[INFO] [stderr]    Compiling openssl-sys v0.9.28
[INFO] [stderr]     Checking envy v0.3.2
[INFO] [stderr]    Compiling syn v0.13.4
[INFO] [stderr]     Checking url v1.7.0
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs
[INFO] [stderr]    --> /opt/rustwide/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]     Checking serde_urlencoded v0.5.1
[INFO] [stderr]     Checking url_serde v0.2.0
[INFO] [stderr]    Compiling serde_derive_internals v0.23.1
[INFO] [stderr]     Checking native-tls v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.43
[INFO] [stderr]     Checking tokio-tls v0.1.4
[INFO] [stderr]     Checking hyper-tls v0.1.3
[INFO] [stderr]     Checking reqwest v0.7.3
[INFO] [stderr]     Checking slack-hook v0.6.0
[INFO] [stderr]     Checking haproxy-alert v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:44:59
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn parse_haxproxy_alert(email: &str) -> Result<Alert, Box<Error>> {
[INFO] [stderr]    |                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> src/main.rs:145:7
[INFO] [stderr]     |
[INFO] [stderr] 145 |   use super::*;
[INFO] [stderr]     |       ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `DATA`
[INFO] [stderr]    --> src/main.rs:147:3
[INFO] [stderr]     |
[INFO] [stderr] 147 | /   const DATA: &str = r#"From: haproxy@blockexplorer.com
[INFO] [stderr] 148 | | To: devs@blockexplorer.com
[INFO] [stderr] 149 | | Date: Tue, 01 May 2018 01:29:07 +0000 (UTC)
[INFO] [stderr] 150 | | Subject: [HAproxy Alert] Server my-backend/mysrv is DOWN, reason: Layer4 timeout, check duration: 2002ms. 0 active and 0 backup servers left. 0 sessions active, 0 requeued, 0 remaining in queue
[INFO] [stderr] 151 | |
[INFO] [stderr] 152 | | Server my-backend/mysrv is DOWN, reason: Layer4 timeout, check duration: 2002ms. 0 active and 0 backup servers left. 0 sessions active, 0 requeued, 0 remaining in queue
[INFO] [stderr] 153 | | "#;
[INFO] [stderr]     | |___^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:44:59
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn parse_haxproxy_alert(email: &str) -> Result<Alert, Box<Error>> {
[INFO] [stderr]    |                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `"docker" "inspect" "0bd4b1f93fbe08f673cf9c6401c3099e4fd3c29af1300e64f62700650832c868"`
[INFO] running `"docker" "rm" "-f" "0bd4b1f93fbe08f673cf9c6401c3099e4fd3c29af1300e64f62700650832c868"`
[INFO] [stdout] 0bd4b1f93fbe08f673cf9c6401c3099e4fd3c29af1300e64f62700650832c868