[INFO] updating cached repository anon767/rust-webserver
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/anon767/rust-webserver
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/anon767/rust-webserver" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/anon767/rust-webserver"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/anon767/rust-webserver'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/anon767/rust-webserver" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/anon767/rust-webserver"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/anon767/rust-webserver'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f494664f23657a820a17d9487302e2ee84f0bdee
[INFO] sha for GitHub repo anon767/rust-webserver: f494664f23657a820a17d9487302e2ee84f0bdee
[INFO] validating manifest of anon767/rust-webserver on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of anon767/rust-webserver on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing anon767/rust-webserver
[INFO] finished frobbing anon767/rust-webserver
[INFO] frobbed toml for anon767/rust-webserver written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/anon767/rust-webserver/Cargo.toml
[INFO] started frobbing anon767/rust-webserver
[INFO] finished frobbing anon767/rust-webserver
[INFO] frobbed toml for anon767/rust-webserver written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/anon767/rust-webserver/Cargo.toml
[INFO] crate anon767/rust-webserver already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking anon767/rust-webserver against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-7/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/anon767/rust-webserver:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8d9f59cea71df8f9f7bba69f5a7d2edb888ff505cf3bb03502eeb994a1fdcf03
[INFO] running `"docker" "start" "-a" "8d9f59cea71df8f9f7bba69f5a7d2edb888ff505cf3bb03502eeb994a1fdcf03"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking getopts v0.2.16
[INFO] [stderr]     Checking filetime v0.1.15
[INFO] [stderr]     Checking serde_bytes v0.10.3
[INFO] [stderr]     Checking uuid v0.1.18
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr] warning[E0503]: cannot use `state` because it was mutably borrowed
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.2.16/src/lib.rs:1026:33
[INFO] [stderr]      |
[INFO] [stderr] 971  |     let mut machine = |cont: &mut bool, (i, c): (usize, char)| {
[INFO] [stderr]      |                       ---------------------------------------- borrow of `state` occurs here
[INFO] [stderr] ...
[INFO] [stderr] 975  |         state = match (state, whitespace, limit) {
[INFO] [stderr]      |                        ----- borrow occurs due to use of `state` in closure
[INFO] [stderr] ...
[INFO] [stderr] 1026 |     while cont && match state { B | C => true, A => false } {
[INFO] [stderr]      |                                 ^ use of borrowed `state`
[INFO] [stderr] 1027 |         machine(&mut cont, (fake_i, ' '));
[INFO] [stderr]      |         ------- borrow later used here
[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 compiletest_rs v0.3.5
[INFO] [stderr]     Checking url v0.2.38
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/compiletest_rs-0.3.5/src/lib.rs:96:22
[INFO] [stderr]    |
[INFO] [stderr] 96 |         run_ignored: config.run_ignored,
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^ expected enum `test::RunIgnored`, found bool
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `test::RunIgnored`
[INFO] [stderr]               found type `bool`
[INFO] [stderr] 
[INFO] [stderr] error[E0560]: struct `test::TestOpts` has no field named `quiet`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/compiletest_rs-0.3.5/src/lib.rs:97:9
[INFO] [stderr]    |
[INFO] [stderr] 97 |         quiet: config.quiet,
[INFO] [stderr]    |         ^^^^^ `test::TestOpts` does not have this field
[INFO] [stderr]    |
[INFO] [stderr]    = note: available fields are: `list`, `filter`, `filter_exact`, `exclude_should_panic`, `run_ignored` ... and 9 others
[INFO] [stderr] 
[INFO] [stderr]     Checking tiny_http v0.5.8
[INFO] [stderr] error[E0599]: no method named `rotate` found for type `&mut std::boxed::Box<[u8]>` in the current scope
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/compiletest_rs-0.3.5/src/runtest.rs:2614:30
[INFO] [stderr]      |
[INFO] [stderr] 2614 |                         tail.rotate(data.len());
[INFO] [stderr]      |                              ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0560, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error: Could not compile `compiletest_rs`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "8d9f59cea71df8f9f7bba69f5a7d2edb888ff505cf3bb03502eeb994a1fdcf03"`
[INFO] running `"docker" "rm" "-f" "8d9f59cea71df8f9f7bba69f5a7d2edb888ff505cf3bb03502eeb994a1fdcf03"`
[INFO] [stdout] 8d9f59cea71df8f9f7bba69f5a7d2edb888ff505cf3bb03502eeb994a1fdcf03