[INFO] updating cached repository xvny/rs-attendance
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/xvny/rs-attendance
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/xvny/rs-attendance" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/xvny/rs-attendance"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/xvny/rs-attendance'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/xvny/rs-attendance" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/xvny/rs-attendance"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/xvny/rs-attendance'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e06c9c82ca18b2d49908eea87cd3a14713d5f727
[INFO] sha for GitHub repo xvny/rs-attendance: e06c9c82ca18b2d49908eea87cd3a14713d5f727
[INFO] validating manifest of xvny/rs-attendance on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of xvny/rs-attendance on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing xvny/rs-attendance
[INFO] finished frobbing xvny/rs-attendance
[INFO] frobbed toml for xvny/rs-attendance written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/xvny/rs-attendance/Cargo.toml
[INFO] started frobbing xvny/rs-attendance
[INFO] finished frobbing xvny/rs-attendance
[INFO] frobbed toml for xvny/rs-attendance written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/xvny/rs-attendance/Cargo.toml
[INFO] crate xvny/rs-attendance already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking xvny/rs-attendance against try#99a7498759a22b5684caf798a98b7e90ad9d2443 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-4/try#99a7498759a22b5684caf798a98b7e90ad9d2443:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/xvny/rs-attendance:/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" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5f591c413dfcaeed4b3226cb5dbe1fe63a9fef82830c04d12b31dcd49c564749
[INFO] running `"docker" "start" "-a" "5f591c413dfcaeed4b3226cb5dbe1fe63a9fef82830c04d12b31dcd49c564749"`
[INFO] [stderr]    Compiling cc v1.0.9
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]     Checking futures v0.1.20
[INFO] [stderr]    Compiling rustc-demangle v0.1.7
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]     Checking matches v0.1.6
[INFO] [stderr]    Compiling itoa v0.4.1
[INFO] [stderr]    Compiling num-traits v0.2.2
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling serde v1.0.36
[INFO] [stderr]     Checking unicode-normalization v0.1.5
[INFO] [stderr]    Compiling same-file v0.1.3
[INFO] [stderr]    Compiling remove_dir_all v0.5.0
[INFO] [stderr]    Compiling bytecount v0.2.0
[INFO] [stderr]     Checking scoped-tls v0.1.1
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]     Checking stable_deref_trait v1.0.0
[INFO] [stderr]     Checking smallvec v0.6.0
[INFO] [stderr]     Checking memoffset v0.1.0
[INFO] [stderr]    Compiling pq-sys v0.4.4
[INFO] [stderr]     Checking siphasher v0.2.2
[INFO] [stderr]     Checking untrusted v0.5.1
[INFO] [stderr]     Checking string v0.1.0
[INFO] [stderr]     Checking termcolor v0.3.6
[INFO] [stderr]     Checking httparse v1.2.4
[INFO] [stderr]     Checking http-range v0.1.1
[INFO] [stderr]     Checking crossbeam-utils v0.3.2
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking hostname v0.1.4
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking atty v0.2.8
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling unicase v2.1.0
[INFO] [stderr]    Compiling actix_derive v0.2.0
[INFO] [stderr]    Compiling walkdir v1.0.7
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.0
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking base64 v0.9.0
[INFO] [stderr]     Checking bytes v0.4.6
[INFO] [stderr]     Checking mio v0.6.14
[INFO] [stderr]     Checking tokio-executor v0.1.2
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking resolv-conf v0.6.0
[INFO] [stderr]     Checking crossbeam-epoch v0.4.1
[INFO] [stderr]     Checking crossbeam-epoch v0.2.0
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking idna v0.1.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking parking_lot_core v0.2.13
[INFO] [stderr]     Checking uuid v0.6.2
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]     Checking r2d2 v0.8.2
[INFO] [stderr]     Checking tokio-timer v0.2.0
[INFO] [stderr]     Checking tokio-io v0.1.6
[INFO] [stderr]     Checking http v0.1.5
[INFO] [stderr]     Checking mio-uds v0.6.4
[INFO] [stderr]     Checking crossbeam-deque v0.3.0
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Checking regex v0.2.10
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]     Checking url v1.7.0
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]     Checking tokio-reactor v0.1.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.2
[INFO] [stderr]    Compiling semver v0.8.0
[INFO] [stderr]    Compiling serde_json v1.0.13
[INFO] [stderr]    Compiling serde_derive_internals v0.22.2
[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] 
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling diesel_derives v1.1.0
[INFO] [stderr]    Compiling derive-error-chain v0.11.0
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]     Checking h2 v0.1.3
[INFO] [stderr]     Checking flate2 v1.0.1
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]     Checking crossbeam-channel v0.1.2
[INFO] [stderr]     Checking mime v0.3.5
[INFO] [stderr]     Checking tokio-tcp v0.1.0
[INFO] [stderr]     Checking tokio-udp v0.1.0
[INFO] [stderr]     Checking env_logger v0.5.6
[INFO] [stderr]    Compiling serde_derive v1.0.36
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]     Checking phf v0.7.21
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]     Checking tokio v0.1.5
[INFO] [stderr]    Compiling backtrace v0.3.5
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]     Checking diesel v1.1.1
[INFO] [stderr]     Checking tokio-core v0.1.16
[INFO] [stderr]     Checking error-chain v0.1.12
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.4
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking dotenv v0.11.0
[INFO] [stderr]     Checking trust-dns-proto v0.3.2
[INFO] [stderr]     Checking tokio-signal v0.1.5
[INFO] [stderr]    Compiling ring v0.12.1
[INFO] [stderr]     Checking trust-dns-resolver v0.8.1
[INFO] [stderr]    Compiling cargo_metadata v0.3.3
[INFO] [stderr]     Checking cookie v0.10.1
[INFO] [stderr]    Compiling skeptic v0.13.2
[INFO] [stderr]    Compiling actix v0.5.5
[INFO] [stderr]    Compiling actix-web v0.4.10
[INFO] [stderr]     Checking r2d2-diesel v1.0.0
[INFO] [stderr]     Checking attendance-rs v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 23s
[INFO] running `"docker" "inspect" "5f591c413dfcaeed4b3226cb5dbe1fe63a9fef82830c04d12b31dcd49c564749"`
[INFO] running `"docker" "rm" "-f" "5f591c413dfcaeed4b3226cb5dbe1fe63a9fef82830c04d12b31dcd49c564749"`
[INFO] [stdout] 5f591c413dfcaeed4b3226cb5dbe1fe63a9fef82830c04d12b31dcd49c564749