[INFO] fetching crate gen-vec 0.3.0... [INFO] checking gen-vec-0.3.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170 [INFO] extracting crate gen-vec 0.3.0 into /workspace/builds/worker-2-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-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate gen-vec 0.3.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 6 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7135f13fdfc682794a6955611c3275bafa450758dcea8682a477281cb84e1335 [INFO] running `Command { std: "docker" "start" "-a" "7135f13fdfc682794a6955611c3275bafa450758dcea8682a477281cb84e1335", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7135f13fdfc682794a6955611c3275bafa450758dcea8682a477281cb84e1335", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7135f13fdfc682794a6955611c3275bafa450758dcea8682a477281cb84e1335", kill_on_drop: false }` [INFO] [stdout] 7135f13fdfc682794a6955611c3275bafa450758dcea8682a477281cb84e1335 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 077ad4f1dd15981736e0ca88d2f46d25baa3e47e02f496c9031b3534ea2b71ec [INFO] running `Command { std: "docker" "start" "-a" "077ad4f1dd15981736e0ca88d2f46d25baa3e47e02f496c9031b3534ea2b71ec", kill_on_drop: false }` [INFO] [stderr] Checking gen-vec v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: 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] = note: `#[warn(ambiguous_glob_reexports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 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] [INFO] [stdout] warning: 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] = note: `#[warn(ambiguous_glob_reexports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 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] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/closed/gen_vec.rs:303:17 [INFO] [stdout] | [INFO] [stdout] 303 | pub fn iter(&self) -> Iter [INFO] [stdout] | ^^^^^ ------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 303 | pub fn iter(&self) -> Iter<'_, T> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/closed/gen_vec.rs:327:21 [INFO] [stdout] | [INFO] [stdout] 327 | pub fn iter_mut(&mut self) -> IterMut [INFO] [stdout] | ^^^^^^^^^ ---------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for 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: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [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)]` 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: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/exposed/gen_vec.rs:283:17 [INFO] [stdout] | [INFO] [stdout] 283 | pub fn iter(&self) -> Iter [INFO] [stdout] | ^^^^^ ------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 283 | pub fn iter(&self) -> Iter<'_, T> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/exposed/gen_vec.rs:312:21 [INFO] [stdout] | [INFO] [stdout] 312 | pub fn iter_mut(&mut self) -> IterMut [INFO] [stdout] | ^^^^^^^^^ ---------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 312 | pub fn iter_mut(&mut self) -> IterMut<'_, T> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/exposed/index_allocator.rs:302:17 [INFO] [stdout] | [INFO] [stdout] 302 | pub fn iter(&self) -> Iter [INFO] [stdout] | ^^^^^ ---- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 302 | pub fn iter(&self) -> Iter<'_> [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/closed/gen_vec.rs:303:17 [INFO] [stdout] | [INFO] [stdout] 303 | pub fn iter(&self) -> Iter [INFO] [stdout] | ^^^^^ ------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 303 | pub fn iter(&self) -> Iter<'_, T> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/closed/gen_vec.rs:327:21 [INFO] [stdout] | [INFO] [stdout] 327 | pub fn iter_mut(&mut self) -> IterMut [INFO] [stdout] | ^^^^^^^^^ ---------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for 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: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [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)]` 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: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/exposed/gen_vec.rs:283:17 [INFO] [stdout] | [INFO] [stdout] 283 | pub fn iter(&self) -> Iter [INFO] [stdout] | ^^^^^ ------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 283 | pub fn iter(&self) -> Iter<'_, T> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/exposed/gen_vec.rs:312:21 [INFO] [stdout] | [INFO] [stdout] 312 | pub fn iter_mut(&mut self) -> IterMut [INFO] [stdout] | ^^^^^^^^^ ---------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 312 | pub fn iter_mut(&mut self) -> IterMut<'_, T> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/exposed/index_allocator.rs:302:17 [INFO] [stdout] | [INFO] [stdout] 302 | pub fn iter(&self) -> Iter [INFO] [stdout] | ^^^^^ ---- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 302 | pub fn iter(&self) -> Iter<'_> [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s [INFO] running `Command { std: "docker" "inspect" "077ad4f1dd15981736e0ca88d2f46d25baa3e47e02f496c9031b3534ea2b71ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "077ad4f1dd15981736e0ca88d2f46d25baa3e47e02f496c9031b3534ea2b71ec", kill_on_drop: false }` [INFO] [stdout] 077ad4f1dd15981736e0ca88d2f46d25baa3e47e02f496c9031b3534ea2b71ec