[INFO] fetching crate stackvec 0.2.1... [INFO] checking stackvec-0.2.1 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] extracting crate stackvec 0.2.1 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate stackvec 0.2.1 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate stackvec 0.2.1 [INFO] finished tweaking crates.io crate stackvec 0.2.1 [INFO] tweaked toml for crates.io crate stackvec 0.2.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ac07fccb6c8c9fb4ebb8c235745a85fbb118820ea58a36ece3d79e0c87dc7539 [INFO] running `Command { std: "docker" "start" "-a" "ac07fccb6c8c9fb4ebb8c235745a85fbb118820ea58a36ece3d79e0c87dc7539", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ac07fccb6c8c9fb4ebb8c235745a85fbb118820ea58a36ece3d79e0c87dc7539", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac07fccb6c8c9fb4ebb8c235745a85fbb118820ea58a36ece3d79e0c87dc7539", kill_on_drop: false }` [INFO] [stdout] ac07fccb6c8c9fb4ebb8c235745a85fbb118820ea58a36ece3d79e0c87dc7539 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ddd5fce4306f5aaaf61475a33de313f6c7a66bc1d1e3e1e18767bff248834a51 [INFO] running `Command { std: "docker" "start" "-a" "ddd5fce4306f5aaaf61475a33de313f6c7a66bc1d1e3e1e18767bff248834a51", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking stackvec v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/stackvec/mod.rs:371:9 [INFO] [stdout] | [INFO] [stdout] 371 | try!(fmt::Display::fmt("[", stream)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/stackvec/mod.rs:374:13 [INFO] [stdout] | [INFO] [stdout] 374 | try!(fmt::Debug::fmt(first, stream)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/stackvec/mod.rs:376:17 [INFO] [stdout] | [INFO] [stdout] 376 | try!(write!(stream, ", {:?}", x)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/stackvec/mod.rs:371:9 [INFO] [stdout] | [INFO] [stdout] 371 | try!(fmt::Display::fmt("[", stream)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/stackvec/mod.rs:374:13 [INFO] [stdout] | [INFO] [stdout] 374 | try!(fmt::Debug::fmt(first, stream)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/stackvec/mod.rs:376:17 [INFO] [stdout] | [INFO] [stdout] 376 | try!(write!(stream, ", {:?}", x)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/stackvec/mod.rs:59:57 [INFO] [stdout] | [INFO] [stdout] 59 | array: mem::ManuallyDrop::new(unsafe { mem::uninitialized() }), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/stackvec/mod.rs:59:57 [INFO] [stdout] | [INFO] [stdout] 59 | array: mem::ManuallyDrop::new(unsafe { mem::uninitialized() }), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:47:32 [INFO] [stdout] | [INFO] [stdout] 47 | fmt::Display::fmt(self.description(), stream) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:47:32 [INFO] [stdout] | [INFO] [stdout] 47 | fmt::Display::fmt(self.description(), stream) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait method `into_iter` will become ambiguous in Rust 2021 [INFO] [stdout] --> src/stackvec/traits/array_into_iter.rs:61:13 [INFO] [stdout] | [INFO] [stdout] 61 | array.into_iter() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: disambiguate the associated function: `ArrayIntoIter::into_iter(array)` [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait method `into_iter` will become ambiguous in Rust 2021 [INFO] [stdout] --> src/tests.rs:40:3 [INFO] [stdout] | [INFO] [stdout] 40 | [3, 4, 6, 8].into_iter().collect::>(), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: disambiguate the associated function: `ArrayIntoIter::into_iter([3, 4, 6, 8])` [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait method `into_iter` will become ambiguous in Rust 2021 [INFO] [stdout] --> src/tests.rs:48:10 [INFO] [stdout] | [INFO] [stdout] 48 | let _ = [3, 4, 6, 8].into_iter(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: disambiguate the associated function: `ArrayIntoIter::into_iter([3, 4, 6, 8])` [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait method `into_iter` will become ambiguous in Rust 2021 [INFO] [stdout] --> src/tests.rs:55:3 [INFO] [stdout] | [INFO] [stdout] 55 | / [3, 4, 6, 8] [INFO] [stdout] 56 | | .into_iter() [INFO] [stdout] | |____________________^ help: disambiguate the associated function: `ArrayIntoIter::into_iter([3, 4, 6, 8])` [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait method `into_iter` will become ambiguous in Rust 2021 [INFO] [stdout] --> examples/into_iter.rs:17:30 [INFO] [stdout] | [INFO] [stdout] 17 | let flattened: Vec = vecs_array [INFO] [stdout] | ______________________________^ [INFO] [stdout] 18 | | .into_iter() [INFO] [stdout] | |____________________________________________^ help: disambiguate the associated function: `ArrayIntoIter::into_iter(vecs_array)` [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait method `into_iter` will become ambiguous in Rust 2021 [INFO] [stdout] --> tests/basic.rs:170:18 [INFO] [stdout] | [INFO] [stdout] 170 | Vec::from_iter(NUMBERS.into_iter()), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: disambiguate the associated function: `ArrayIntoIter::into_iter(NUMBERS)` [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.07s [INFO] running `Command { std: "docker" "inspect" "ddd5fce4306f5aaaf61475a33de313f6c7a66bc1d1e3e1e18767bff248834a51", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ddd5fce4306f5aaaf61475a33de313f6c7a66bc1d1e3e1e18767bff248834a51", kill_on_drop: false }` [INFO] [stdout] ddd5fce4306f5aaaf61475a33de313f6c7a66bc1d1e3e1e18767bff248834a51