[INFO] fetching crate arcrs 0.1.1-alpha.7...
[INFO] checking arcrs-0.1.1-alpha.7 against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] extracting crate arcrs 0.1.1-alpha.7 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate arcrs 0.1.1-alpha.7
[INFO] finished tweaking crates.io crate arcrs 0.1.1-alpha.7
[INFO] tweaked toml for crates.io crate arcrs 0.1.1-alpha.7 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate arcrs 0.1.1-alpha.7 on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 32 packages to latest compatible versions
[INFO] [stderr]       Adding indoc-impl v0.3.6 (available: v0.3.7)
[INFO] [stderr]       Adding pyo3 v0.12.4 (available: v0.25.1)
[INFO] [stderr]       Adding pyo3-derive-backend v0.12.4 (available: v0.12.5)
[INFO] [stderr]       Adding pyo3cls v0.12.4 (available: v0.12.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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_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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 377c2a6d119861a3f8cbc893e23e33ba5db8a17b123138b38e026b34a64740b9
[INFO] running `Command { std: "docker" "start" "-a" "377c2a6d119861a3f8cbc893e23e33ba5db8a17b123138b38e026b34a64740b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "377c2a6d119861a3f8cbc893e23e33ba5db8a17b123138b38e026b34a64740b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "377c2a6d119861a3f8cbc893e23e33ba5db8a17b123138b38e026b34a64740b9", kill_on_drop: false }`
[INFO] [stdout] 377c2a6d119861a3f8cbc893e23e33ba5db8a17b123138b38e026b34a64740b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e53a0ddce91f13b702719c02634e992155c6f9738eb54976ee00c81cb35743f
[INFO] running `Command { std: "docker" "start" "-a" "6e53a0ddce91f13b702719c02634e992155c6f9738eb54976ee00c81cb35743f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling inventory v0.1.11
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling unindent v0.1.11
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling pyo3 v0.12.4
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]    Compiling ghost v0.1.20
[INFO] [stderr]    Compiling pyo3-derive-backend v0.12.4
[INFO] [stderr]    Compiling inventory-impl v0.1.11
[INFO] [stderr]    Compiling ctor v0.1.26
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]     Checking indoc v0.3.6
[INFO] [stderr]    Compiling pyo3cls v0.12.4
[INFO] [stderr]     Checking arcrs v0.1.1-alpha.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `create_features_input_parameter` is never used
[INFO] [stdout]    --> src/gp.rs:134:4
[INFO] [stdout]     |
[INFO] [stdout] 134 | fn create_features_input_parameter(py: Python) -> PyResult<PyObject> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_features_output_parameter` is never used
[INFO] [stdout]    --> src/gp.rs:147:4
[INFO] [stdout]     |
[INFO] [stdout] 147 | fn create_features_output_parameter(py: Python) -> PyResult<PyObject> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/gp.rs:121:33
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn create_default_parameter(py: Python, param: api::GpParameter) -> PyResult<&PyAny> {
[INFO] [stdout]     |                                 ^^^^^^ the lifetime is hidden here           ------ the same 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] 121 | fn create_default_parameter(py: Python<'_>, param: api::GpParameter) -> PyResult<&PyAny> {
[INFO] [stdout]     |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/gp/api.rs:378:27
[INFO] [stdout]     |
[INFO] [stdout] 378 |     fn into_search_cursor(&self, field_names: Vec<String>, where_clause: &str) -> PyResult<PySearchCursor> {
[INFO] [stdout]     |                           ^^^^^ the lifetime is elided here                                -------------- the same lifetime is hidden 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] 378 |     fn into_search_cursor(&self, field_names: Vec<String>, where_clause: &str) -> PyResult<PySearchCursor<'_>> {
[INFO] [stdout]     |                                                                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/gp/api.rs:384:27
[INFO] [stdout]     |
[INFO] [stdout] 384 |     fn into_insert_cursor(&self, field_names: Vec<String>) -> PyResult<PyInsertCursor> {
[INFO] [stdout]     |                           ^^^^^ the lifetime is elided here            -------------- the same lifetime is hidden 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] 384 |     fn into_insert_cursor(&self, field_names: Vec<String>) -> PyResult<PyInsertCursor<'_>> {
[INFO] [stdout]     |                                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/gp/api.rs:540:17
[INFO] [stdout]     |
[INFO] [stdout] 540 |     pub fn next(&self) -> PyResult<PyRow> {
[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] 540 |     pub fn next(&self) -> PyResult<PyRow<'_>> {
[INFO] [stdout]     |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/gp/api.rs:778:27
[INFO] [stdout]     |
[INFO] [stdout] 778 |     fn into_search_cursor(&self, field_names: Vec<String>, where_clause: &str) -> PyResult<PySearchCursor>;
[INFO] [stdout]     |                           ^^^^^ the lifetime is elided here                                -------------- the same lifetime is hidden 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] 778 |     fn into_search_cursor(&self, field_names: Vec<String>, where_clause: &str) -> PyResult<PySearchCursor<'_>>;
[INFO] [stdout]     |                                                                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/gp/api.rs:780:27
[INFO] [stdout]     |
[INFO] [stdout] 780 |     fn into_insert_cursor(&self, field_names: Vec<String>) -> PyResult<PyInsertCursor>;
[INFO] [stdout]     |                           ^^^^^ the lifetime is elided here            -------------- the same lifetime is hidden 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] 780 |     fn into_insert_cursor(&self, field_names: Vec<String>) -> PyResult<PyInsertCursor<'_>>;
[INFO] [stdout]     |                                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_features_input_parameter` is never used
[INFO] [stdout]    --> src/gp.rs:134:4
[INFO] [stdout]     |
[INFO] [stdout] 134 | fn create_features_input_parameter(py: Python) -> PyResult<PyObject> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.14s
[INFO] [stdout] warning: function `create_features_output_parameter` is never used
[INFO] [stdout]    --> src/gp.rs:147:4
[INFO] [stdout]     |
[INFO] [stdout] 147 | fn create_features_output_parameter(py: Python) -> PyResult<PyObject> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: pyo3 v0.12.4, pyo3-derive-backend v0.12.4
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/gp.rs:121:33
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn create_default_parameter(py: Python, param: api::GpParameter) -> PyResult<&PyAny> {
[INFO] [stdout]     |                                 ^^^^^^ the lifetime is hidden here           ------ the same 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] 121 | fn create_default_parameter(py: Python<'_>, param: api::GpParameter) -> PyResult<&PyAny> {
[INFO] [stdout]     |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/gp/api.rs:378:27
[INFO] [stdout]     |
[INFO] [stdout] 378 |     fn into_search_cursor(&self, field_names: Vec<String>, where_clause: &str) -> PyResult<PySearchCursor> {
[INFO] [stdout]     |                           ^^^^^ the lifetime is elided here                                -------------- the same lifetime is hidden 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] 378 |     fn into_search_cursor(&self, field_names: Vec<String>, where_clause: &str) -> PyResult<PySearchCursor<'_>> {
[INFO] [stdout]     |                                                                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/gp/api.rs:384:27
[INFO] [stdout]     |
[INFO] [stdout] 384 |     fn into_insert_cursor(&self, field_names: Vec<String>) -> PyResult<PyInsertCursor> {
[INFO] [stdout]     |                           ^^^^^ the lifetime is elided here            -------------- the same lifetime is hidden 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] 384 |     fn into_insert_cursor(&self, field_names: Vec<String>) -> PyResult<PyInsertCursor<'_>> {
[INFO] [stdout]     |                                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/gp/api.rs:540:17
[INFO] [stdout]     |
[INFO] [stdout] 540 |     pub fn next(&self) -> PyResult<PyRow> {
[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] 540 |     pub fn next(&self) -> PyResult<PyRow<'_>> {
[INFO] [stdout]     |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/gp/api.rs:778:27
[INFO] [stdout]     |
[INFO] [stdout] 778 |     fn into_search_cursor(&self, field_names: Vec<String>, where_clause: &str) -> PyResult<PySearchCursor>;
[INFO] [stdout]     |                           ^^^^^ the lifetime is elided here                                -------------- the same lifetime is hidden 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] 778 |     fn into_search_cursor(&self, field_names: Vec<String>, where_clause: &str) -> PyResult<PySearchCursor<'_>>;
[INFO] [stdout]     |                                                                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/gp/api.rs:780:27
[INFO] [stdout]     |
[INFO] [stdout] 780 |     fn into_insert_cursor(&self, field_names: Vec<String>) -> PyResult<PyInsertCursor>;
[INFO] [stdout]     |                           ^^^^^ the lifetime is elided here            -------------- the same lifetime is hidden 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] 780 |     fn into_insert_cursor(&self, field_names: Vec<String>) -> PyResult<PyInsertCursor<'_>>;
[INFO] [stdout]     |                                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6e53a0ddce91f13b702719c02634e992155c6f9738eb54976ee00c81cb35743f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e53a0ddce91f13b702719c02634e992155c6f9738eb54976ee00c81cb35743f", kill_on_drop: false }`
[INFO] [stdout] 6e53a0ddce91f13b702719c02634e992155c6f9738eb54976ee00c81cb35743f
