[INFO] cloning repository https://github.com/timwee/rust-type-exercises
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/timwee/rust-type-exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimwee%2Frust-type-exercises", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimwee%2Frust-type-exercises'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e0b3917da74614ea01430b460b9e3fee9cf4b958
[INFO] checking timwee/rust-type-exercises/e0b3917da74614ea01430b460b9e3fee9cf4b958 against master#4eb62535fc12dd1a63fd43a4173e224e79313c4d for pr-158816
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimwee%2Frust-type-exercises" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/timwee/rust-type-exercises
[INFO] finished tweaking git repo https://github.com/timwee/rust-type-exercises
[INFO] tweaked toml for git repo https://github.com/timwee/rust-type-exercises written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/timwee/rust-type-exercises on toolchain 4eb62535fc12dd1a63fd43a4173e224e79313c4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/timwee/rust-type-exercises 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" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cargo-expand v1.0.90
[INFO] [stderr]   Downloaded cargo-subcommand-metadata v0.1.0
[INFO] [stderr]   Downloaded syn-select v0.3.0
[INFO] [stderr]   Downloaded toolchain_find v0.4.0
[INFO] [stderr]   Downloaded prettyplease v0.2.22
[INFO] [stderr]   Downloaded std_prelude v0.2.12
[INFO] [stderr]   Downloaded clircle v0.4.0
[INFO] [stderr]   Downloaded nu-ansi-term v0.49.0
[INFO] [stderr]   Downloaded globset v0.4.15
[INFO] [stderr]   Downloaded path_abs v0.5.1
[INFO] [stderr]   Downloaded grep-cli v0.1.11
[INFO] [stderr]   Downloaded ansi_colours v1.2.3
[INFO] [stderr]   Downloaded bstr v1.10.0
[INFO] [stderr]   Downloaded bat v0.24.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 21803e03ba091ec91aea62fbfd07570bbfe60b725e17a079f93e5357091cfa29
[INFO] running `Command { std: "docker" "start" "21803e03ba091ec91aea62fbfd07570bbfe60b725e17a079f93e5357091cfa29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21803e03ba091ec91aea62fbfd07570bbfe60b725e17a079f93e5357091cfa29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "21803e03ba091ec91aea62fbfd07570bbfe60b725e17a079f93e5357091cfa29" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21803e03ba091ec91aea62fbfd07570bbfe60b725e17a079f93e5357091cfa29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "21803e03ba091ec91aea62fbfd07570bbfe60b725e17a079f93e5357091cfa29" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: type-exercise-in-rust-mine v0.1.0 (/opt/rustwide/workdir) ignoring invalid dependency `cargo-expand` which is missing a lib target
[INFO] [stderr]    Compiling proc-macro2 v1.0.87
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling anyhow v1.0.89
[INFO] [stderr]    Compiling thiserror v1.0.64
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]     Checking type-exercise-in-rust-mine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::TypeMismatch`
[INFO] [stdout]  --> src/array.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::TypeMismatch;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/array.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn iter(&self) -> ArrayIterator<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] 42 |     fn iter(&self) -> ArrayIterator<'_, Self>;
[INFO] [stdout]    |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/array/primitive_array.rs:89:13
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn iter(&self) -> ArrayIterator<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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn iter(&self) -> ArrayIterator<'_, Self> {
[INFO] [stdout]    |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/array/string_array.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn iter(&self) -> ArrayIterator<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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn iter(&self) -> ArrayIterator<'_, Self> {
[INFO] [stdout]    |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/array.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn iter(&self) -> ArrayIterator<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] 42 |     fn iter(&self) -> ArrayIterator<'_, Self>;
[INFO] [stdout]    |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/array/primitive_array.rs:89:13
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn iter(&self) -> ArrayIterator<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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn iter(&self) -> ArrayIterator<'_, Self> {
[INFO] [stdout]    |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/array/string_array.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn iter(&self) -> ArrayIterator<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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn iter(&self) -> ArrayIterator<'_, Self> {
[INFO] [stdout]    |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.70s
[INFO] running `Command { std: "docker" "inspect" "21803e03ba091ec91aea62fbfd07570bbfe60b725e17a079f93e5357091cfa29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21803e03ba091ec91aea62fbfd07570bbfe60b725e17a079f93e5357091cfa29", kill_on_drop: false }`
[INFO] [stdout] 21803e03ba091ec91aea62fbfd07570bbfe60b725e17a079f93e5357091cfa29
