[INFO] fetching crate issue-states 0.2.0...
[INFO] checking issue-states-0.2.0 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate issue-states 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate issue-states 0.2.0 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5aa30f98677ec6d9e2d01cd172378f5ad66f5715e04d5c278dbff96eef5f8ec6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5aa30f98677ec6d9e2d01cd172378f5ad66f5715e04d5c278dbff96eef5f8ec6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5aa30f98677ec6d9e2d01cd172378f5ad66f5715e04d5c278dbff96eef5f8ec6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aa30f98677ec6d9e2d01cd172378f5ad66f5715e04d5c278dbff96eef5f8ec6", kill_on_drop: false }`
[INFO] [stdout] 5aa30f98677ec6d9e2d01cd172378f5ad66f5715e04d5c278dbff96eef5f8ec6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 301348242b19d36a32c1402a4415bdac36078c925d89515c08c4ed8ab673590a
[INFO] running `Command { std: "docker" "start" "-a" "301348242b19d36a32c1402a4415bdac36078c925d89515c08c4ed8ab673590a", 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 issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[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 issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[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 issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[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 0.75s
[INFO] running `Command { std: "docker" "inspect" "301348242b19d36a32c1402a4415bdac36078c925d89515c08c4ed8ab673590a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "301348242b19d36a32c1402a4415bdac36078c925d89515c08c4ed8ab673590a", kill_on_drop: false }`
[INFO] [stdout] 301348242b19d36a32c1402a4415bdac36078c925d89515c08c4ed8ab673590a