[INFO] fetching crate kind-tree 0.1.3...
[INFO] testing kind-tree-0.1.3 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate kind-tree 0.1.3 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate kind-tree 0.1.3
[INFO] finished tweaking crates.io crate kind-tree 0.1.3
[INFO] tweaked toml for crates.io crate kind-tree 0.1.3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate kind-tree 0.1.3 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 68 packages to latest compatible versions
[INFO] [stderr]       Adding hvm v1.0.11 (available: v2.0.22)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kind-span v0.1.3
[INFO] [stderr]   Downloaded highlight_error v0.1.1
[INFO] [stderr]   Downloaded HOPA v0.1.2
[INFO] [stderr]   Downloaded ntapi v0.4.3
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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_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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59b031500e7ec684ede2f918d081d3bdf4a98e5277043430bece3f61dcd46a90
[INFO] running `Command { std: "docker" "start" "-a" "59b031500e7ec684ede2f918d081d3bdf4a98e5277043430bece3f61dcd46a90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59b031500e7ec684ede2f918d081d3bdf4a98e5277043430bece3f61dcd46a90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59b031500e7ec684ede2f918d081d3bdf4a98e5277043430bece3f61dcd46a90", kill_on_drop: false }`
[INFO] [stdout] 59b031500e7ec684ede2f918d081d3bdf4a98e5277043430bece3f61dcd46a90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2c48d738b1d9d8c3edb5629171f7c2d54849d58db9f329f8a1bb38f08fa9ab8
[INFO] running `Command { std: "docker" "start" "-a" "e2c48d738b1d9d8c3edb5629171f7c2d54849d58db9f329f8a1bb38f08fa9ab8", kill_on_drop: false }`
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling os_str_bytes v6.6.1
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling textwrap v0.16.2
[INFO] [stderr]    Compiling highlight_error v0.1.1
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling HOPA v0.1.2
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling kind-span v0.1.3
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling addr2line v0.25.1
[INFO] [stderr]    Compiling sysinfo v0.29.11
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.2.25
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling clap v3.2.25
[INFO] [stderr]    Compiling hvm v1.0.11
[INFO] [stderr]    Compiling kind-tree v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: private item shadows public glob re-export
[INFO] [stdout]   --> src/concrete/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use expr::Expr;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the name `Expr` in the type namespace is supposed to be publicly re-exported here
[INFO] [stdout]   --> src/concrete/mod.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub use expr::*;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] note: but the private item here shadows it
[INFO] [stdout]   --> src/concrete/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use expr::Expr;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(hidden_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `visit_opt`
[INFO] [stdout]   --> src/concrete/visitor.rs:39:16
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub(crate) use visit_opt;
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `visit_vec`
[INFO] [stdout]   --> src/concrete/visitor.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub(crate) use visit_vec;
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/concrete/mod.rs:143:29
[INFO] [stdout]     |
[INFO] [stdout] 143 |     pub fn get_constructors(&self) -> Option<Cow<Vec<Constructor>>> {
[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] 143 |     pub fn get_constructors(&self) -> Option<Cow<'_, Vec<Constructor>>> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/concrete/mod.rs:151:24
[INFO] [stdout]     |
[INFO] [stdout] 151 |     pub fn get_indices(&self) -> Option<Cow<Telescope<Argument>>> {
[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] 151 |     pub fn get_indices(&self) -> Option<Cow<'_, Telescope<Argument>>> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/telescope.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn iter(&self) -> std::slice::Iter<T> {
[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] 55 |     pub fn iter(&self) -> std::slice::Iter<'_, T> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/telescope.rs:59:21
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn iter_mut(&mut self) -> std::slice::IterMut<T> {
[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] 59 |     pub fn iter_mut(&mut self) -> std::slice::IterMut<'_, T> {
[INFO] [stdout]    |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.20s
[INFO] running `Command { std: "docker" "inspect" "e2c48d738b1d9d8c3edb5629171f7c2d54849d58db9f329f8a1bb38f08fa9ab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2c48d738b1d9d8c3edb5629171f7c2d54849d58db9f329f8a1bb38f08fa9ab8", kill_on_drop: false }`
[INFO] [stdout] e2c48d738b1d9d8c3edb5629171f7c2d54849d58db9f329f8a1bb38f08fa9ab8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3f6ab7f03a520dc325d5938a94ed92e97528aa8c834f347c5893df4f25f9b65
[INFO] running `Command { std: "docker" "start" "-a" "d3f6ab7f03a520dc325d5938a94ed92e97528aa8c834f347c5893df4f25f9b65", kill_on_drop: false }`
[INFO] [stdout] warning: private item shadows public glob re-export
[INFO] [stdout]   --> src/concrete/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use expr::Expr;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the name `Expr` in the type namespace is supposed to be publicly re-exported here
[INFO] [stdout]   --> src/concrete/mod.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub use expr::*;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] note: but the private item here shadows it
[INFO] [stdout]   --> src/concrete/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use expr::Expr;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(hidden_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `visit_opt`
[INFO] [stdout]   --> src/concrete/visitor.rs:39:16
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub(crate) use visit_opt;
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `visit_vec`
[INFO] [stdout]   --> src/concrete/visitor.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub(crate) use visit_vec;
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/concrete/mod.rs:143:29
[INFO] [stdout]     |
[INFO] [stdout] 143 |     pub fn get_constructors(&self) -> Option<Cow<Vec<Constructor>>> {
[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] 143 |     pub fn get_constructors(&self) -> Option<Cow<'_, Vec<Constructor>>> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/concrete/mod.rs:151:24
[INFO] [stdout]     |
[INFO] [stdout] 151 |     pub fn get_indices(&self) -> Option<Cow<Telescope<Argument>>> {
[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] 151 |     pub fn get_indices(&self) -> Option<Cow<'_, Telescope<Argument>>> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/telescope.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn iter(&self) -> std::slice::Iter<T> {
[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] 55 |     pub fn iter(&self) -> std::slice::Iter<'_, T> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/telescope.rs:59:21
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn iter_mut(&mut self) -> std::slice::IterMut<T> {
[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] 59 |     pub fn iter_mut(&mut self) -> std::slice::IterMut<'_, T> {
[INFO] [stdout]    |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling kind-tree v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: private item shadows public glob re-export
[INFO] [stdout]   --> src/concrete/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use expr::Expr;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the name `Expr` in the type namespace is supposed to be publicly re-exported here
[INFO] [stdout]   --> src/concrete/mod.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub use expr::*;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] note: but the private item here shadows it
[INFO] [stdout]   --> src/concrete/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use expr::Expr;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(hidden_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `visit_opt`
[INFO] [stdout]   --> src/concrete/visitor.rs:39:16
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub(crate) use visit_opt;
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `visit_vec`
[INFO] [stdout]   --> src/concrete/visitor.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub(crate) use visit_vec;
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/concrete/mod.rs:143:29
[INFO] [stdout]     |
[INFO] [stdout] 143 |     pub fn get_constructors(&self) -> Option<Cow<Vec<Constructor>>> {
[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] 143 |     pub fn get_constructors(&self) -> Option<Cow<'_, Vec<Constructor>>> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/concrete/mod.rs:151:24
[INFO] [stdout]     |
[INFO] [stdout] 151 |     pub fn get_indices(&self) -> Option<Cow<Telescope<Argument>>> {
[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] 151 |     pub fn get_indices(&self) -> Option<Cow<'_, Telescope<Argument>>> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/telescope.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn iter(&self) -> std::slice::Iter<T> {
[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] 55 |     pub fn iter(&self) -> std::slice::Iter<'_, T> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/telescope.rs:59:21
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn iter_mut(&mut self) -> std::slice::IterMut<T> {
[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] 59 |     pub fn iter_mut(&mut self) -> std::slice::IterMut<'_, T> {
[INFO] [stdout]    |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "d3f6ab7f03a520dc325d5938a94ed92e97528aa8c834f347c5893df4f25f9b65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3f6ab7f03a520dc325d5938a94ed92e97528aa8c834f347c5893df4f25f9b65", kill_on_drop: false }`
[INFO] [stdout] d3f6ab7f03a520dc325d5938a94ed92e97528aa8c834f347c5893df4f25f9b65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] aaa90786fac0ab09bfb9922a4f6663564d9524f7574903f1714dd752552c1b83
[INFO] running `Command { std: "docker" "start" "-a" "aaa90786fac0ab09bfb9922a4f6663564d9524f7574903f1714dd752552c1b83", kill_on_drop: false }`
[INFO] [stderr] warning: private item shadows public glob re-export
[INFO] [stderr]   --> src/concrete/mod.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use expr::Expr;
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the name `Expr` in the type namespace is supposed to be publicly re-exported here
[INFO] [stderr]   --> src/concrete/mod.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub use expr::*;
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr] note: but the private item here shadows it
[INFO] [stderr]   --> src/concrete/mod.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use expr::Expr;
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    = note: `#[warn(hidden_glob_reexports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `visit_opt`
[INFO] [stderr]   --> src/concrete/visitor.rs:39:16
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub(crate) use visit_opt;
[INFO] [stderr]    |                ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `visit_vec`
[INFO] [stderr]   --> src/concrete/visitor.rs:40:16
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub(crate) use visit_vec;
[INFO] [stderr]    |                ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/concrete/mod.rs:143:29
[INFO] [stderr]     |
[INFO] [stderr] 143 |     pub fn get_constructors(&self) -> Option<Cow<Vec<Constructor>>> {
[INFO] [stderr]     |                             ^^^^^            ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 143 |     pub fn get_constructors(&self) -> Option<Cow<'_, Vec<Constructor>>> {
[INFO] [stderr]     |                                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/concrete/mod.rs:151:24
[INFO] [stderr]     |
[INFO] [stderr] 151 |     pub fn get_indices(&self) -> Option<Cow<Telescope<Argument>>> {
[INFO] [stderr]     |                        ^^^^^            ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 151 |     pub fn get_indices(&self) -> Option<Cow<'_, Telescope<Argument>>> {
[INFO] [stderr]     |                                             +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/telescope.rs:55:17
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn iter(&self) -> std::slice::Iter<T> {
[INFO] [stderr]    |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn iter(&self) -> std::slice::Iter<'_, T> {
[INFO] [stderr]    |                                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/telescope.rs:59:21
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn iter_mut(&mut self) -> std::slice::IterMut<T> {
[INFO] [stderr]    |                     ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn iter_mut(&mut self) -> std::slice::IterMut<'_, T> {
[INFO] [stderr]    |                                                       +++
[INFO] [stderr] 
[INFO] [stderr] warning: `kind-tree` (lib) generated 7 warnings (run `cargo fix --lib -p kind-tree` to apply 6 suggestions)
[INFO] [stderr] warning: `kind-tree` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/kind_tree-d20a870fb477a324)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests kind_tree
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "aaa90786fac0ab09bfb9922a4f6663564d9524f7574903f1714dd752552c1b83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaa90786fac0ab09bfb9922a4f6663564d9524f7574903f1714dd752552c1b83", kill_on_drop: false }`
[INFO] [stdout] aaa90786fac0ab09bfb9922a4f6663564d9524f7574903f1714dd752552c1b83
