[INFO] fetching crate one-euro-rs 0.2.0...
[INFO] testing one-euro-rs-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate one-euro-rs 0.2.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate one-euro-rs 0.2.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f784c6d823aa2f2084434a42a9d51be91a627cf6d127049d42f14628d8f46744
[INFO] running `Command { std: "docker" "start" "-a" "f784c6d823aa2f2084434a42a9d51be91a627cf6d127049d42f14628d8f46744", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f784c6d823aa2f2084434a42a9d51be91a627cf6d127049d42f14628d8f46744", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f784c6d823aa2f2084434a42a9d51be91a627cf6d127049d42f14628d8f46744", kill_on_drop: false }`
[INFO] [stdout] f784c6d823aa2f2084434a42a9d51be91a627cf6d127049d42f14628d8f46744
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2397435d29a09adc6e6a357e5c5a39527dec6056a01a97f3f304dc52cd927626
[INFO] running `Command { std: "docker" "start" "-a" "2397435d29a09adc6e6a357e5c5a39527dec6056a01a97f3f304dc52cd927626", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling one-euro-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "2397435d29a09adc6e6a357e5c5a39527dec6056a01a97f3f304dc52cd927626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2397435d29a09adc6e6a357e5c5a39527dec6056a01a97f3f304dc52cd927626", kill_on_drop: false }`
[INFO] [stdout] 2397435d29a09adc6e6a357e5c5a39527dec6056a01a97f3f304dc52cd927626
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48f94c45264a6f0c8fe8f92e7d8ba650a090502fb457a918249cf525e4bfe278
[INFO] running `Command { std: "docker" "start" "-a" "48f94c45264a6f0c8fe8f92e7d8ba650a090502fb457a918249cf525e4bfe278", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling 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 test [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "48f94c45264a6f0c8fe8f92e7d8ba650a090502fb457a918249cf525e4bfe278", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48f94c45264a6f0c8fe8f92e7d8ba650a090502fb457a918249cf525e4bfe278", kill_on_drop: false }`
[INFO] [stdout] 48f94c45264a6f0c8fe8f92e7d8ba650a090502fb457a918249cf525e4bfe278
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ebcd5f26d771aef1f1e7d3051944b509aaeb0bc78d9e7a76c956d177f94330a6
[INFO] running `Command { std: "docker" "start" "-a" "ebcd5f26d771aef1f1e7d3051944b509aaeb0bc78d9e7a76c956d177f94330a6", 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] 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] [stderr]     --> src/lib.rs:7345:69
[INFO] [stderr]      |
[INFO] [stderr] 7345 |         for (timestamp, _signal, noisy, filtered) in reference_data.into_iter() {
[INFO] [stderr]      |                                                                     ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]      = warning: this changes meaning in Rust 2021
[INFO] [stderr]      = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stderr]      |
[INFO] [stderr] 7345 |         for (timestamp, _signal, noisy, filtered) in reference_data.iter() {
[INFO] [stderr]      |                                                                     ^^^^
[INFO] [stderr] help: or remove `.into_iter()` to iterate by value
[INFO] [stderr]      |
[INFO] [stderr] 7345 |         for (timestamp, _signal, noisy, filtered) in reference_data {
[INFO] [stderr]      |                                                                   --
[INFO] [stderr] 
[INFO] [stderr] warning: `one-euro-rs` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/one_euro_rs-7db5d82e40f00dd6)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests one-euro-rs
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::check_reference_values ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - OneEuroFilter (line 12) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ebcd5f26d771aef1f1e7d3051944b509aaeb0bc78d9e7a76c956d177f94330a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebcd5f26d771aef1f1e7d3051944b509aaeb0bc78d9e7a76c956d177f94330a6", kill_on_drop: false }`
[INFO] [stdout] ebcd5f26d771aef1f1e7d3051944b509aaeb0bc78d9e7a76c956d177f94330a6