[INFO] fetching crate gen-vec 0.3.0...
[INFO] checking gen-vec-0.3.0 against try#d336647335db03a0fc5b24fc5325cd3905c5b8e8 for pr-151146-1
[INFO] extracting crate gen-vec 0.3.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate gen-vec 0.3.0
[INFO] finished tweaking crates.io crate gen-vec 0.3.0
[INFO] tweaked toml for crates.io crate gen-vec 0.3.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate gen-vec 0.3.0 on toolchain d336647335db03a0fc5b24fc5325cd3905c5b8e8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "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" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05d3f4cb419fb9427228c37f2f45c8c54a330e5c6e2cdc7e37248457fc8583ea
[INFO] running `Command { std: "docker" "start" "-a" "05d3f4cb419fb9427228c37f2f45c8c54a330e5c6e2cdc7e37248457fc8583ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05d3f4cb419fb9427228c37f2f45c8c54a330e5c6e2cdc7e37248457fc8583ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05d3f4cb419fb9427228c37f2f45c8c54a330e5c6e2cdc7e37248457fc8583ea", kill_on_drop: false }`
[INFO] [stdout] 05d3f4cb419fb9427228c37f2f45c8c54a330e5c6e2cdc7e37248457fc8583ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 439116263b19f05b8a1cb4c327d2783b93d9b5ce2fae573b2d64bc30595a9e8f
[INFO] running `Command { std: "docker" "start" "-a" "439116263b19f05b8a1cb4c327d2783b93d9b5ce2fae573b2d64bc30595a9e8f", kill_on_drop: false }`
[INFO] [stderr]     Checking gen-vec v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: ambiguous glob re-exports
[INFO] [stdout]   --> src/exposed/mod.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub use self::gen_vec::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ the name `IntoIter` in the type namespace is first re-exported here
[INFO] [stdout] 23 | pub mod index_allocator;
[INFO] [stdout] 24 | pub use self::index_allocator::*;
[INFO] [stdout]    |         ------------------------ but the name `IntoIter` in the type namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #107880 <https://github.com/rust-lang/rust/issues/107880>
[INFO] [stdout]    = note: `#[deny(ambiguous_glob_reexports)]` (part of `#[deny(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: ambiguous glob re-exports
[INFO] [stdout]   --> src/exposed/mod.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub use self::gen_vec::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ the name `Iter` in the type namespace is first re-exported here
[INFO] [stdout] 23 | pub mod index_allocator;
[INFO] [stdout] 24 | pub use self::index_allocator::*;
[INFO] [stdout]    |         ------------------------ but the name `Iter` in the type namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #107880 <https://github.com/rust-lang/rust/issues/107880>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: ambiguous glob re-exports
[INFO] [stdout]   --> src/exposed/mod.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub use self::gen_vec::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ the name `IntoIter` in the type namespace is first re-exported here
[INFO] [stdout] 23 | pub mod index_allocator;
[INFO] [stdout] 24 | pub use self::index_allocator::*;
[INFO] [stdout]    |         ------------------------ but the name `IntoIter` in the type namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #107880 <https://github.com/rust-lang/rust/issues/107880>
[INFO] [stdout]    = note: `#[deny(ambiguous_glob_reexports)]` (part of `#[deny(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: ambiguous glob re-exports
[INFO] [stdout]   --> src/exposed/mod.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub use self::gen_vec::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ the name `Iter` in the type namespace is first re-exported here
[INFO] [stdout] 23 | pub mod index_allocator;
[INFO] [stdout] 24 | pub use self::index_allocator::*;
[INFO] [stdout]    |         ------------------------ but the name `Iter` in the type namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #107880 <https://github.com/rust-lang/rust/issues/107880>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/closed/gen_vec.rs:303:17
[INFO] [stdout]     |
[INFO] [stdout] 303 |     pub fn iter(&self) -> 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]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 303 |     pub fn iter(&self) -> Iter<'_, T>
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/closed/gen_vec.rs:327:21
[INFO] [stdout]     |
[INFO] [stdout] 327 |     pub fn iter_mut(&mut self) -> 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] 327 |     pub fn iter_mut(&mut self) -> IterMut<'_, T>
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/exposed/gen_vec.rs:163:25
[INFO] [stdout]     |
[INFO] [stdout] 163 |             _ => panic!(format!("Index is out of bounds despite internal vec being resized: {:?}", index))
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 163 -             _ => panic!(format!("Index is out of bounds despite internal vec being resized: {:?}", index))
[INFO] [stdout] 163 +             _ => panic!("Index is out of bounds despite internal vec being resized: {:?}", index)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/exposed/gen_vec.rs:283:17
[INFO] [stdout]     |
[INFO] [stdout] 283 |     pub fn iter(&self) -> 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] 283 |     pub fn iter(&self) -> Iter<'_, T>
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/exposed/gen_vec.rs:312:21
[INFO] [stdout]     |
[INFO] [stdout] 312 |     pub fn iter_mut(&mut self) -> 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] 312 |     pub fn iter_mut(&mut self) -> IterMut<'_, T>
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/exposed/index_allocator.rs:302:17
[INFO] [stdout]     |
[INFO] [stdout] 302 |     pub fn iter(&self) -> Iter
[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] 302 |     pub fn iter(&self) -> Iter<'_>
[INFO] [stdout]     |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gen-vec` (lib) due to 4 previous errors; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/closed/gen_vec.rs:303:17
[INFO] [stdout]     |
[INFO] [stdout] 303 |     pub fn iter(&self) -> 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]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 303 |     pub fn iter(&self) -> Iter<'_, T>
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/closed/gen_vec.rs:327:21
[INFO] [stdout]     |
[INFO] [stdout] 327 |     pub fn iter_mut(&mut self) -> 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] 327 |     pub fn iter_mut(&mut self) -> IterMut<'_, T>
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/exposed/gen_vec.rs:163:25
[INFO] [stdout]     |
[INFO] [stdout] 163 |             _ => panic!(format!("Index is out of bounds despite internal vec being resized: {:?}", index))
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 163 -             _ => panic!(format!("Index is out of bounds despite internal vec being resized: {:?}", index))
[INFO] [stdout] 163 +             _ => panic!("Index is out of bounds despite internal vec being resized: {:?}", index)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/exposed/gen_vec.rs:283:17
[INFO] [stdout]     |
[INFO] [stdout] 283 |     pub fn iter(&self) -> 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] 283 |     pub fn iter(&self) -> Iter<'_, T>
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/exposed/gen_vec.rs:312:21
[INFO] [stdout]     |
[INFO] [stdout] 312 |     pub fn iter_mut(&mut self) -> 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] 312 |     pub fn iter_mut(&mut self) -> IterMut<'_, T>
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/exposed/index_allocator.rs:302:17
[INFO] [stdout]     |
[INFO] [stdout] 302 |     pub fn iter(&self) -> Iter
[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] 302 |     pub fn iter(&self) -> Iter<'_>
[INFO] [stdout]     |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gen-vec` (lib test) due to 4 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "439116263b19f05b8a1cb4c327d2783b93d9b5ce2fae573b2d64bc30595a9e8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "439116263b19f05b8a1cb4c327d2783b93d9b5ce2fae573b2d64bc30595a9e8f", kill_on_drop: false }`
[INFO] [stdout] 439116263b19f05b8a1cb4c327d2783b93d9b5ce2fae573b2d64bc30595a9e8f
