[INFO] fetching crate lights 0.1.5...
[INFO] checking lights-0.1.5 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate lights 0.1.5 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate lights 0.1.5
[INFO] finished tweaking crates.io crate lights 0.1.5
[INFO] tweaked toml for crates.io crate lights 0.1.5 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate lights 0.1.5 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 212 packages to latest compatible versions
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.5.54)
[INFO] [stderr]       Adding dirs v1.0.5 (available: v6.0.0)
[INFO] [stderr]       Adding reqwest v0.9.24 (available: v0.13.1)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55ebc68514f16220eb773f83024c3c0a55bc7503265de1947143a594b30bff9a
[INFO] running `Command { std: "docker" "start" "-a" "55ebc68514f16220eb773f83024c3c0a55bc7503265de1947143a594b30bff9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55ebc68514f16220eb773f83024c3c0a55bc7503265de1947143a594b30bff9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55ebc68514f16220eb773f83024c3c0a55bc7503265de1947143a594b30bff9a", kill_on_drop: false }`
[INFO] [stdout] 55ebc68514f16220eb773f83024c3c0a55bc7503265de1947143a594b30bff9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b3b7ddecc5490a28e834b105743768a382002a7b8858b8e075d627ad98e2630
[INFO] running `Command { std: "docker" "start" "-a" "5b3b7ddecc5490a28e834b105743768a382002a7b8858b8e075d627ad98e2630", kill_on_drop: false }`
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking regex-syntax v0.8.8
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]     Checking lights v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]   --> src/utils.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Ok(s.trim_right_matches(|c| c == '\n' || c == '\r').to_string())
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]    |
[INFO] [stdout] 17 -     Ok(s.trim_right_matches(|c| c == '\n' || c == '\r').to_string())
[INFO] [stdout] 17 +     Ok(s.trim_end_matches(|c| c == '\n' || c == '\r').to_string())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]   --> src/utils.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Ok(s.trim_right_matches(|c| c == '\n' || c == '\r').to_string())
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]    |
[INFO] [stdout] 17 -     Ok(s.trim_right_matches(|c| c == '\n' || c == '\r').to_string())
[INFO] [stdout] 17 +     Ok(s.trim_end_matches(|c| c == '\n' || c == '\r').to_string())
[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/colors.rs:30:16
[INFO] [stdout]    |
[INFO] [stdout] 30 |         COLORS.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)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 30 -         COLORS.into_iter()
[INFO] [stdout] 30 +         COLORS.iter()
[INFO] [stdout]    |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 30 -         COLORS.into_iter()
[INFO] [stdout] 30 +         IntoIterator::into_iter(COLORS)
[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/colors.rs:30:16
[INFO] [stdout]    |
[INFO] [stdout] 30 |         COLORS.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)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 30 -         COLORS.into_iter()
[INFO] [stdout] 30 +         COLORS.iter()
[INFO] [stdout]    |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 30 -         COLORS.into_iter()
[INFO] [stdout] 30 +         IntoIterator::into_iter(COLORS)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.62s
[INFO] running `Command { std: "docker" "inspect" "5b3b7ddecc5490a28e834b105743768a382002a7b8858b8e075d627ad98e2630", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b3b7ddecc5490a28e834b105743768a382002a7b8858b8e075d627ad98e2630", kill_on_drop: false }`
[INFO] [stdout] 5b3b7ddecc5490a28e834b105743768a382002a7b8858b8e075d627ad98e2630