[INFO] fetching crate one-euro-rs 0.2.0...
[INFO] checking one-euro-rs-0.2.0 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate one-euro-rs 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate one-euro-rs 0.2.0 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate one-euro-rs 0.2.0
[INFO] finished tweaking crates.io crate one-euro-rs 0.2.0
[INFO] tweaked toml for crates.io crate one-euro-rs 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be8851809df16389a7615a8457a17c5ed3396e3382385e71b535659925d40aed
[INFO] running `Command { std: "docker" "start" "-a" "be8851809df16389a7615a8457a17c5ed3396e3382385e71b535659925d40aed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be8851809df16389a7615a8457a17c5ed3396e3382385e71b535659925d40aed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be8851809df16389a7615a8457a17c5ed3396e3382385e71b535659925d40aed", kill_on_drop: false }`
[INFO] [stdout] be8851809df16389a7615a8457a17c5ed3396e3382385e71b535659925d40aed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7962ecb8fddfc51f8dcaf94601f71c16fee9db8538400e60d13e95e0e2eeb351
[INFO] running `Command { std: "docker" "start" "-a" "7962ecb8fddfc51f8dcaf94601f71c16fee9db8538400e60d13e95e0e2eeb351", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking one-euro-rs v0.2.0 (/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:7345:69
[INFO] [stdout]      |
[INFO] [stdout] 7345 |         for (timestamp, _signal, noisy, filtered) in reference_data.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 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] 7345 |         for (timestamp, _signal, noisy, filtered) in reference_data.iter() {
[INFO] [stdout]      |                                                                     ^^^^
[INFO] [stdout] help: or remove `.into_iter()` to iterate by value
[INFO] [stdout]      |
[INFO] [stdout] 7345 |         for (timestamp, _signal, noisy, filtered) in reference_data {
[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 3.02s
[INFO] running `Command { std: "docker" "inspect" "7962ecb8fddfc51f8dcaf94601f71c16fee9db8538400e60d13e95e0e2eeb351", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7962ecb8fddfc51f8dcaf94601f71c16fee9db8538400e60d13e95e0e2eeb351", kill_on_drop: false }`
[INFO] [stdout] 7962ecb8fddfc51f8dcaf94601f71c16fee9db8538400e60d13e95e0e2eeb351