[INFO] fetching crate converter_buddy 0.2.1...
[INFO] checking converter_buddy-0.2.1 against master#eeb94be79adc9df7a09ad0b2421f16e60e6d932c for pr-152971
[INFO] extracting crate converter_buddy 0.2.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate converter_buddy 0.2.1
[INFO] finished tweaking crates.io crate converter_buddy 0.2.1
[INFO] tweaked toml for crates.io crate converter_buddy 0.2.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate converter_buddy 0.2.1 on toolchain eeb94be79adc9df7a09ad0b2421f16e60e6d932c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eeb94be79adc9df7a09ad0b2421f16e60e6d932c" "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" "+eeb94be79adc9df7a09ad0b2421f16e60e6d932c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 103 packages to latest compatible versions
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eeb94be79adc9df7a09ad0b2421f16e60e6d932c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+eeb94be79adc9df7a09ad0b2421f16e60e6d932c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4a875dce123061166fc1d3cc906c3363dcb5ae9d9438d3442c036e5522f3830
[INFO] running `Command { std: "docker" "start" "-a" "b4a875dce123061166fc1d3cc906c3363dcb5ae9d9438d3442c036e5522f3830", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4a875dce123061166fc1d3cc906c3363dcb5ae9d9438d3442c036e5522f3830", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4a875dce123061166fc1d3cc906c3363dcb5ae9d9438d3442c036e5522f3830", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+eeb94be79adc9df7a09ad0b2421f16e60e6d932c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2685c12a368e3def43c3b053ef7ba0846544b385c2824a6af41a26126dccb532
[INFO] running `Command { std: "docker" "start" "-a" "2685c12a368e3def43c3b053ef7ba0846544b385c2824a6af41a26126dccb532", kill_on_drop: false }`
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[INFO] [stderr]     Checking converter_buddy v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `image_crate_apply_config_operations` is never used
[INFO] [stdout]   --> src/converter/img/img_utils/wrapper.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn image_crate_apply_config_operations(_image: &DynamicImage, _config: &ImageConfig) {}
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `tranparent_to_color` is never used
[INFO] [stdout]   --> src/converter/img/png.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl PngConverter {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 30 |     fn tranparent_to_color(image: &DynamicImage) -> Result<DynamicImage, ConversionError> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `image_crate_apply_config_operations` is never used
[INFO] [stdout]   --> src/converter/img/img_utils/wrapper.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn image_crate_apply_config_operations(_image: &DynamicImage, _config: &ImageConfig) {}
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `tranparent_to_color` is never used
[INFO] [stdout]   --> src/converter/img/png.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl PngConverter {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 30 |     fn tranparent_to_color(image: &DynamicImage) -> Result<DynamicImage, ConversionError> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.77s
[INFO] running `Command { std: "docker" "inspect" "2685c12a368e3def43c3b053ef7ba0846544b385c2824a6af41a26126dccb532", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2685c12a368e3def43c3b053ef7ba0846544b385c2824a6af41a26126dccb532", kill_on_drop: false }`
[INFO] [stdout] 2685c12a368e3def43c3b053ef7ba0846544b385c2824a6af41a26126dccb532