[INFO] fetching crate issue-states 0.2.0...
[INFO] checking issue-states-0.2.0 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate issue-states 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate issue-states 0.2.0 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate issue-states 0.2.0
[INFO] finished tweaking crates.io crate issue-states 0.2.0
[INFO] tweaked toml for crates.io crate issue-states 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e68965b0c2a98b7f4a79ade476c4f14c2fbdae02b9e4d63483489059a4cd052
[INFO] running `Command { std: "docker" "start" "-a" "1e68965b0c2a98b7f4a79ade476c4f14c2fbdae02b9e4d63483489059a4cd052", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e68965b0c2a98b7f4a79ade476c4f14c2fbdae02b9e4d63483489059a4cd052", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e68965b0c2a98b7f4a79ade476c4f14c2fbdae02b9e4d63483489059a4cd052", kill_on_drop: false }`
[INFO] [stdout] 1e68965b0c2a98b7f4a79ade476c4f14c2fbdae02b9e4d63483489059a4cd052
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9581ee968033d75a24c44849bcc74b07f4613b810c6d40d8a03a10ce93d6c8bd
[INFO] running `Command { std: "docker" "start" "-a" "9581ee968033d75a24c44849bcc74b07f4613b810c6d40d8a03a10ce93d6c8bd", kill_on_drop: false }`
[INFO] [stderr]     Checking issue-states v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `neg`
[INFO] [stdout]   --> src/test.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |         neg: bool,
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_neg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val_op`
[INFO] [stdout]   --> src/test.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |         val_op: Option<(condition::MatchOp, &str)>
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_val_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]    --> src/resolution.rs:245:49
[INFO] [stdout]     |
[INFO] [stdout] 245 |             tmp.add_overridden([state1.clone()].into_iter().map(Clone::clone));
[INFO] [stdout]     |                                                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 245 |             tmp.add_overridden([state1.clone()].iter().map(Clone::clone));
[INFO] [stdout]     |                                                 ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 245 |             tmp.add_overridden(IntoIterator::into_iter([state1.clone()]).map(Clone::clone));
[INFO] [stdout]     |                                ++++++++++++++++++++++++                ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]    --> src/resolution.rs:252:47
[INFO] [stdout]     |
[INFO] [stdout] 252 |             tmp.add_extended([state2.clone()].into_iter().map(Clone::clone));
[INFO] [stdout]     |                                               ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 252 |             tmp.add_extended([state2.clone()].iter().map(Clone::clone));
[INFO] [stdout]     |                                               ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 252 |             tmp.add_extended(IntoIterator::into_iter([state2.clone()]).map(Clone::clone));
[INFO] [stdout]     |                              ++++++++++++++++++++++++                ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]    --> src/resolution.rs:259:49
[INFO] [stdout]     |
[INFO] [stdout] 259 |             tmp.add_overridden([state3.clone()].into_iter().map(Clone::clone));
[INFO] [stdout]     |                                                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 259 |             tmp.add_overridden([state3.clone()].iter().map(Clone::clone));
[INFO] [stdout]     |                                                 ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 259 |             tmp.add_overridden(IntoIterator::into_iter([state3.clone()]).map(Clone::clone));
[INFO] [stdout]     |                                ++++++++++++++++++++++++                ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "9581ee968033d75a24c44849bcc74b07f4613b810c6d40d8a03a10ce93d6c8bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9581ee968033d75a24c44849bcc74b07f4613b810c6d40d8a03a10ce93d6c8bd", kill_on_drop: false }`
[INFO] [stdout] 9581ee968033d75a24c44849bcc74b07f4613b810c6d40d8a03a10ce93d6c8bd