[INFO] fetching crate index_key 0.5.0...
[INFO] checking index_key-0.5.0 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate index_key 0.5.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate index_key 0.5.0
[INFO] finished tweaking crates.io crate index_key 0.5.0
[INFO] tweaked toml for crates.io crate index_key 0.5.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate index_key 0.5.0 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7bc584817eb454c614cc693aeb44e67d4fdde394cbc7b3d0f684cfb5b5563c3a
[INFO] running `Command { std: "docker" "start" "-a" "7bc584817eb454c614cc693aeb44e67d4fdde394cbc7b3d0f684cfb5b5563c3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bc584817eb454c614cc693aeb44e67d4fdde394cbc7b3d0f684cfb5b5563c3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bc584817eb454c614cc693aeb44e67d4fdde394cbc7b3d0f684cfb5b5563c3a", kill_on_drop: false }`
[INFO] [stdout] 7bc584817eb454c614cc693aeb44e67d4fdde394cbc7b3d0f684cfb5b5563c3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0525d330c0886183bed575d912e3b42d405b392a13f3c3af2e78c947776030a
[INFO] running `Command { std: "docker" "start" "-a" "c0525d330c0886183bed575d912e3b42d405b392a13f3c3af2e78c947776030a", kill_on_drop: false }`
[INFO] [stderr]     Checking index_key v0.5.0 (/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/lib.rs:324:51
[INFO] [stdout]     |
[INFO] [stdout] 324 |             for b1 in [0u16, 1, u16::max_value()].into_iter() {
[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/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 324 -             for b1 in [0u16, 1, u16::max_value()].into_iter() {
[INFO] [stdout] 324 +             for b1 in [0u16, 1, u16::max_value()].iter() {
[INFO] [stdout]     |
[INFO] [stdout] help: or remove `.into_iter()` to iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 324 -             for b1 in [0u16, 1, u16::max_value()].into_iter() {
[INFO] [stdout] 324 +             for b1 in [0u16, 1, u16::max_value()] {
[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/lib.rs:325:55
[INFO] [stdout]     |
[INFO] [stdout] 325 |                 for b2 in [0u16, 1, u16::max_value()].into_iter() {
[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/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 325 -                 for b2 in [0u16, 1, u16::max_value()].into_iter() {
[INFO] [stdout] 325 +                 for b2 in [0u16, 1, u16::max_value()].iter() {
[INFO] [stdout]     |
[INFO] [stdout] help: or remove `.into_iter()` to iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 325 -                 for b2 in [0u16, 1, u16::max_value()].into_iter() {
[INFO] [stdout] 325 +                 for b2 in [0u16, 1, u16::max_value()] {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "c0525d330c0886183bed575d912e3b42d405b392a13f3c3af2e78c947776030a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0525d330c0886183bed575d912e3b42d405b392a13f3c3af2e78c947776030a", kill_on_drop: false }`
[INFO] [stdout] c0525d330c0886183bed575d912e3b42d405b392a13f3c3af2e78c947776030a