[INFO] fetching crate platform-lp 0.2.2...
[INFO] checking platform-lp-0.2.2 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate platform-lp 0.2.2 into /workspace/builds/worker-52/source
[INFO] validating manifest of crates.io crate platform-lp 0.2.2 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate platform-lp 0.2.2
[INFO] finished tweaking crates.io crate platform-lp 0.2.2
[INFO] tweaked toml for crates.io crate platform-lp 0.2.2 written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ccd5db8bc089b3399568277766930cc72d932e8ef1f126d536d72a7aa01b519
[INFO] running `Command { std: "docker" "start" "-a" "4ccd5db8bc089b3399568277766930cc72d932e8ef1f126d536d72a7aa01b519", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ccd5db8bc089b3399568277766930cc72d932e8ef1f126d536d72a7aa01b519", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ccd5db8bc089b3399568277766930cc72d932e8ef1f126d536d72a7aa01b519", kill_on_drop: false }`
[INFO] [stdout] 4ccd5db8bc089b3399568277766930cc72d932e8ef1f126d536d72a7aa01b519
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9684fcb178b98dd7c4bcf5ddda0c9f6e8f5024fd8a569d46a0f1135ab494dc38
[INFO] running `Command { std: "docker" "start" "-a" "9684fcb178b98dd7c4bcf5ddda0c9f6e8f5024fd8a569d46a0f1135ab494dc38", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking serde_test v1.0.127
[INFO] [stderr]     Checking platform-lp v0.2.2 (/opt/rustwide/workdir)
[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/platform.rs:265:19
[INFO] [stdout]     |
[INFO] [stdout] 265 |         PLATFORMS.into_iter()
[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] 265 |         PLATFORMS.iter()
[INFO] [stdout]     |                   ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 265 |         IntoIterator::into_iter(PLATFORMS)
[INFO] [stdout]     |         ++++++++++++++++++++++++         ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[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/platform.rs:265:19
[INFO] [stdout]     |
[INFO] [stdout] 265 |         PLATFORMS.into_iter()
[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] 265 |         PLATFORMS.iter()
[INFO] [stdout]     |                   ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 265 |         IntoIterator::into_iter(PLATFORMS)
[INFO] [stdout]     |         ++++++++++++++++++++++++         ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.79s
[INFO] running `Command { std: "docker" "inspect" "9684fcb178b98dd7c4bcf5ddda0c9f6e8f5024fd8a569d46a0f1135ab494dc38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9684fcb178b98dd7c4bcf5ddda0c9f6e8f5024fd8a569d46a0f1135ab494dc38", kill_on_drop: false }`
[INFO] [stdout] 9684fcb178b98dd7c4bcf5ddda0c9f6e8f5024fd8a569d46a0f1135ab494dc38