[INFO] fetching crate utf 0.1.6...
[INFO] checking utf-0.1.6 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate utf 0.1.6 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate utf 0.1.6 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 utf 0.1.6
[INFO] finished tweaking crates.io crate utf 0.1.6
[INFO] tweaked toml for crates.io crate utf 0.1.6 written to /workspace/builds/worker-8/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] 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 54edaf5d55b7b8275a5e7b3bf6bf746198b095102579ba6ad3a7da681fb11a56
[INFO] running `Command { std: "docker" "start" "-a" "54edaf5d55b7b8275a5e7b3bf6bf746198b095102579ba6ad3a7da681fb11a56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54edaf5d55b7b8275a5e7b3bf6bf746198b095102579ba6ad3a7da681fb11a56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54edaf5d55b7b8275a5e7b3bf6bf746198b095102579ba6ad3a7da681fb11a56", kill_on_drop: false }`
[INFO] [stdout] 54edaf5d55b7b8275a5e7b3bf6bf746198b095102579ba6ad3a7da681fb11a56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 1d497bc6c99ccc944dcfad32a6ac77804c9836d5cdd705f1c5129a4e2d2ef47b
[INFO] running `Command { std: "docker" "start" "-a" "1d497bc6c99ccc944dcfad32a6ac77804c9836d5cdd705f1c5129a4e2d2ef47b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking utf v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: static variable `ls` should have an upper case name
[INFO] [stdout]   --> src/lib.rs:74:16
[INFO] [stdout]    |
[INFO] [stdout] 74 |         static ls: [Fin7; 33] = [F0, F6, F6, F6, F6, F6, F5, F5,
[INFO] [stdout]    |                ^^ help: convert the identifier to upper case: `LS`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[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/lib.rs:118:60
[INFO] [stdout]     |
[INFO] [stdout] 118 |                        ("�A", &[0xFFu8, 0x41u8] as &[u8])].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] 118 |                        ("�A", &[0xFFu8, 0x41u8] as &[u8])].iter() {
[INFO] [stdout]     |                                                            ~~~~
[INFO] [stdout] help: or remove `.into_iter()` to iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 118 -                        ("�A", &[0xFFu8, 0x41u8] as &[u8])].into_iter() {
[INFO] [stdout] 118 +                        ("�A", &[0xFFu8, 0x41u8] as &[u8])] {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `ls` should have an upper case name
[INFO] [stdout]   --> src/lib.rs:74:16
[INFO] [stdout]    |
[INFO] [stdout] 74 |         static ls: [Fin7; 33] = [F0, F6, F6, F6, F6, F6, F5, F5,
[INFO] [stdout]    |                ^^ help: convert the identifier to upper case: `LS`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "1d497bc6c99ccc944dcfad32a6ac77804c9836d5cdd705f1c5129a4e2d2ef47b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d497bc6c99ccc944dcfad32a6ac77804c9836d5cdd705f1c5129a4e2d2ef47b", kill_on_drop: false }`
[INFO] [stdout] 1d497bc6c99ccc944dcfad32a6ac77804c9836d5cdd705f1c5129a4e2d2ef47b