[INFO] cloning repository https://github.com/Quantomatic/quizx
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Quantomatic/quizx" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQuantomatic%2Fquizx", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQuantomatic%2Fquizx'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d75f041ebb73ec896909922b2c3b549958af1686
[INFO] checking Quantomatic/quizx against master#a2db9280539229a3b8a084a09886670a57bc7e9c for pr-147185
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQuantomatic%2Fquizx" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Quantomatic/quizx
[INFO] finished tweaking git repo https://github.com/Quantomatic/quizx
[INFO] tweaked toml for git repo https://github.com/Quantomatic/quizx written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Quantomatic/quizx on toolchain a2db9280539229a3b8a084a09886670a57bc7e9c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2db9280539229a3b8a084a09886670a57bc7e9c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Quantomatic/quizx already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2db9280539229a3b8a084a09886670a57bc7e9c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+a2db9280539229a3b8a084a09886670a57bc7e9c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking quizx v0.3.0 (/opt/rustwide/workdir/quizx)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> quizx/src/extract.rs:52:18
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn extractor(&mut self) -> Extractor<Self> {
[INFO] [stdout]    |                  ^^^^^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn extractor(&mut self) -> Extractor<'_, Self> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> quizx/src/params.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn iter(&self) -> ParityIter {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn iter(&self) -> ParityIter<'_> {
[INFO] [stdout]    |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> quizx/src/params.rs:190:17
[INFO] [stdout]     |
[INFO] [stdout] 190 |     pub fn iter(&self) -> ExprIter {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 190 |     pub fn iter(&self) -> ExprIter<'_> {
[INFO] [stdout]     |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> quizx/src/tensor.rs:125:24
[INFO] [stdout]     |
[INFO] [stdout] 125 |     fn slice_qubit_mut(&mut self, q: usize) -> (ArrayViewMut<A, IxDyn>, ArrayViewMut<A, IxDyn>);
[INFO] [stdout]     |                        ^^^^^^^^^                ^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |                        |
[INFO] [stdout]     |                        |                        the same lifetime is hidden here
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 125 |     fn slice_qubit_mut(&mut self, q: usize) -> (ArrayViewMut<'_, A, IxDyn>, ArrayViewMut<'_, A, IxDyn>);
[INFO] [stdout]     |                                                              +++                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> quizx/src/tensor.rs:180:24
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn slice_qubit_mut(&mut self, q: usize) -> (ArrayViewMut<A, IxDyn>, ArrayViewMut<A, IxDyn>) {
[INFO] [stdout]     |                        ^^^^^^^^^                ^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |                        |
[INFO] [stdout]     |                        |                        the same lifetime is hidden here
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn slice_qubit_mut(&mut self, q: usize) -> (ArrayViewMut<'_, A, IxDyn>, ArrayViewMut<'_, A, IxDyn>) {
[INFO] [stdout]     |                                                              +++                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking quizx_pybindings v0.0.0 (/opt/rustwide/workdir/pybindings)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> quizx/src/extract.rs:52:18
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn extractor(&mut self) -> Extractor<Self> {
[INFO] [stdout]    |                  ^^^^^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn extractor(&mut self) -> Extractor<'_, Self> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> quizx/src/params.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn iter(&self) -> ParityIter {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn iter(&self) -> ParityIter<'_> {
[INFO] [stdout]    |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> quizx/src/params.rs:190:17
[INFO] [stdout]     |
[INFO] [stdout] 190 |     pub fn iter(&self) -> ExprIter {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 190 |     pub fn iter(&self) -> ExprIter<'_> {
[INFO] [stdout]     |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> quizx/src/tensor.rs:125:24
[INFO] [stdout]     |
[INFO] [stdout] 125 |     fn slice_qubit_mut(&mut self, q: usize) -> (ArrayViewMut<A, IxDyn>, ArrayViewMut<A, IxDyn>);
[INFO] [stdout]     |                        ^^^^^^^^^                ^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |                        |
[INFO] [stdout]     |                        |                        the same lifetime is hidden here
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 125 |     fn slice_qubit_mut(&mut self, q: usize) -> (ArrayViewMut<'_, A, IxDyn>, ArrayViewMut<'_, A, IxDyn>);
[INFO] [stdout]     |                                                              +++                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> quizx/src/tensor.rs:180:24
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn slice_qubit_mut(&mut self, q: usize) -> (ArrayViewMut<A, IxDyn>, ArrayViewMut<A, IxDyn>) {
[INFO] [stdout]     |                        ^^^^^^^^^                ^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |                        |
[INFO] [stdout]     |                        |                        the same lifetime is hidden here
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn slice_qubit_mut(&mut self, q: usize) -> (ArrayViewMut<'_, A, IxDyn>, ArrayViewMut<'_, A, IxDyn>) {
[INFO] [stdout]     |                                                              +++                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 57.79s
[INFO] running `Command { std: "docker" "inspect" "02de0e55cacc1421768fad0607a948f7eae4c4e287605fba15096976a06d2e0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02de0e55cacc1421768fad0607a948f7eae4c4e287605fba15096976a06d2e0c", kill_on_drop: false }`
[INFO] [stdout] 02de0e55cacc1421768fad0607a948f7eae4c4e287605fba15096976a06d2e0c
