[INFO] updating cached repository tjamaan/gotham_hello_world
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tjamaan/gotham_hello_world
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tjamaan/gotham_hello_world" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/tjamaan/gotham_hello_world"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/tjamaan/gotham_hello_world'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tjamaan/gotham_hello_world" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/tjamaan/gotham_hello_world"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/tjamaan/gotham_hello_world'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b03de17e3d601b88d8eccbcbbdb3b7998034f864
[INFO] sha for GitHub repo tjamaan/gotham_hello_world: b03de17e3d601b88d8eccbcbbdb3b7998034f864
[INFO] validating manifest of tjamaan/gotham_hello_world 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 tjamaan/gotham_hello_world 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 tjamaan/gotham_hello_world
[INFO] finished frobbing tjamaan/gotham_hello_world
[INFO] frobbed toml for tjamaan/gotham_hello_world written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/tjamaan/gotham_hello_world/Cargo.toml
[INFO] started frobbing tjamaan/gotham_hello_world
[INFO] finished frobbing tjamaan/gotham_hello_world
[INFO] frobbed toml for tjamaan/gotham_hello_world written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/tjamaan/gotham_hello_world/Cargo.toml
[INFO] crate tjamaan/gotham_hello_world 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 tjamaan/gotham_hello_world against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-0/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/tjamaan/gotham_hello_world:/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 412608a68336f20a982d3c1fb099d17fd399bd5e57cc7bef3778f7a77323e899
[INFO] running `"docker" "start" "-a" "412608a68336f20a982d3c1fb099d17fd399bd5e57cc7bef3778f7a77323e899"`
[INFO] [stderr]    Compiling libc v0.2.33
[INFO] [stderr]    Compiling getopts v0.2.15
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling matches v0.1.6
[INFO] [stderr]    Compiling unicode-normalization v0.1.5
[INFO] [stderr]     Checking serde v1.0.21
[INFO] [stderr]     Checking base64 v0.4.2
[INFO] [stderr]     Checking rmp v0.8.7
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling serde_derive_internals v0.17.0
[INFO] [stderr]     Checking chrono v0.3.0
[INFO] [stderr] warning[E0503]: cannot use `state` because it was mutably borrowed
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.2.15/src/lib.rs:1033:33
[INFO] [stderr]      |
[INFO] [stderr] 978  |     let mut machine = |cont: &mut bool, (i, c): (usize, char)| {
[INFO] [stderr]      |                       ---------------------------------------- borrow of `state` occurs here
[INFO] [stderr] ...
[INFO] [stderr] 982  |         state = match (state, whitespace, limit) {
[INFO] [stderr]      |         ----- borrow occurs due to use of `state` in closure
[INFO] [stderr] ...
[INFO] [stderr] 1033 |     while cont && match state { B | C => true, A => false } {
[INFO] [stderr]      |                                 ^ use of borrowed `state`
[INFO] [stderr] 1034 |         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] 
[INFO] [stderr]     Checking hyper v0.11.7
[INFO] [stderr]    Compiling rand v0.3.18
[INFO] [stderr]    Compiling pulldown-cmark v0.0.8
[INFO] [stderr]    Compiling idna v0.1.4
[INFO] [stderr]    Compiling serde_derive v1.0.21
[INFO] [stderr]    Compiling tempdir v0.3.5
[INFO] [stderr]    Compiling skeptic v0.9.0
[INFO] [stderr]    Compiling url v1.6.0
[INFO] [stderr]    Compiling borrow-bag v0.3.2
[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-1.6.0/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 gotham_derive v0.1.0
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]     Checking gotham v0.1.2
[INFO] [stderr]     Checking gotham_hello_world v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `StateData`
[INFO] [stderr]  --> src/controllers/capitalize.rs:8:21
[INFO] [stderr]   |
[INFO] [stderr] 8 | use gotham::state::{StateData, FromState};
[INFO] [stderr]   |                     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `StateData`
[INFO] [stderr]  --> src/controllers/cube.rs:8:21
[INFO] [stderr]   |
[INFO] [stderr] 8 | use gotham::state::{StateData, FromState};
[INFO] [stderr]   |                     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `request`
[INFO] [stderr]   --> src/controllers/welcome.rs:19:30
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub fn welcome(state: State, request: Request) -> (State, Response) {
[INFO] [stderr]    |                              ^^^^^^^ help: consider prefixing with an underscore: `_request`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `request`
[INFO] [stderr]   --> src/controllers/capitalize.rs:37:33
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub fn capitalize(state: State, request: Request) -> (State, Response) {
[INFO] [stderr]    |                                 ^^^^^^^ help: consider prefixing with an underscore: `_request`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `request`
[INFO] [stderr]   --> src/controllers/cube.rs:38:27
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub fn cube(state: State, request: Request) -> (State, Response) {
[INFO] [stderr]    |                           ^^^^^^^ help: consider prefixing with an underscore: `_request`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `request`
[INFO] [stderr]   --> src/controllers/visit_counter.rs:25:40
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub fn visit_counter(mut state: State, request: Request) -> (State, Response) {
[INFO] [stderr]    |                                        ^^^^^^^ help: consider prefixing with an underscore: `_request`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `StateData`
[INFO] [stderr]  --> src/controllers/capitalize.rs:8:21
[INFO] [stderr]   |
[INFO] [stderr] 8 | use gotham::state::{StateData, FromState};
[INFO] [stderr]   |                     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `StateData`
[INFO] [stderr]  --> src/controllers/cube.rs:8:21
[INFO] [stderr]   |
[INFO] [stderr] 8 | use gotham::state::{StateData, FromState};
[INFO] [stderr]   |                     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `request`
[INFO] [stderr]   --> src/controllers/welcome.rs:19:30
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub fn welcome(state: State, request: Request) -> (State, Response) {
[INFO] [stderr]    |                              ^^^^^^^ help: consider prefixing with an underscore: `_request`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `request`
[INFO] [stderr]   --> src/controllers/capitalize.rs:37:33
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub fn capitalize(state: State, request: Request) -> (State, Response) {
[INFO] [stderr]    |                                 ^^^^^^^ help: consider prefixing with an underscore: `_request`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `request`
[INFO] [stderr]   --> src/controllers/cube.rs:38:27
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub fn cube(state: State, request: Request) -> (State, Response) {
[INFO] [stderr]    |                           ^^^^^^^ help: consider prefixing with an underscore: `_request`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `request`
[INFO] [stderr]   --> src/controllers/visit_counter.rs:25:40
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub fn visit_counter(mut state: State, request: Request) -> (State, Response) {
[INFO] [stderr]    |                                        ^^^^^^^ help: consider prefixing with an underscore: `_request`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.13s
[INFO] running `"docker" "inspect" "412608a68336f20a982d3c1fb099d17fd399bd5e57cc7bef3778f7a77323e899"`
[INFO] running `"docker" "rm" "-f" "412608a68336f20a982d3c1fb099d17fd399bd5e57cc7bef3778f7a77323e899"`
[INFO] [stdout] 412608a68336f20a982d3c1fb099d17fd399bd5e57cc7bef3778f7a77323e899