[INFO] fetching crate rgb 0.8.50...
[INFO] checking rgb-0.8.50 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate rgb 0.8.50 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate rgb 0.8.50
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rgb 0.8.50
[INFO] tweaked toml for crates.io crate rgb 0.8.50 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rgb 0.8.50 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rgb 0.8.50 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded defmt-macros v0.3.9
[INFO] [stderr]   Downloaded defmt-parser v0.3.4
[INFO] [stderr]   Downloaded defmt v0.3.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ee9f8d4f39b92bc6c85e33a4a3c21dcd9cdd044463bb006402104aaa280b1f5
[INFO] running `Command { std: "docker" "start" "-a" "6ee9f8d4f39b92bc6c85e33a4a3c21dcd9cdd044463bb006402104aaa280b1f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ee9f8d4f39b92bc6c85e33a4a3c21dcd9cdd044463bb006402104aaa280b1f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ee9f8d4f39b92bc6c85e33a4a3c21dcd9cdd044463bb006402104aaa280b1f5", kill_on_drop: false }`
[INFO] [stdout] 6ee9f8d4f39b92bc6c85e33a4a3c21dcd9cdd044463bb006402104aaa280b1f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad1489da0dc47a825c74ba5bf31d5f38dc40b71b915cfc6a3f09eb3194352add
[INFO] running `Command { std: "docker" "start" "-a" "ad1489da0dc47a825c74ba5bf31d5f38dc40b71b915cfc6a3f09eb3194352add", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling serde_json v1.0.122
[INFO] [stderr]     Checking bytemuck v1.17.0
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking rgb v0.8.50 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `legacy::internal::rgba::<impl formats::rgba::Rgba<T, A>>::map_rgb`: Renamed to map_colors()
[INFO] [stdout]    --> src/legacy/internal/rgba.rs:358:36
[INFO] [stdout]     |
[INFO] [stdout] 358 |     let neg = RGBA::new(1u8,2,3,4).map_rgb(|c| -(c as i16));
[INFO] [stdout]     |                                    ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.76s
[INFO] running `Command { std: "docker" "inspect" "ad1489da0dc47a825c74ba5bf31d5f38dc40b71b915cfc6a3f09eb3194352add", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad1489da0dc47a825c74ba5bf31d5f38dc40b71b915cfc6a3f09eb3194352add", kill_on_drop: false }`
[INFO] [stdout] ad1489da0dc47a825c74ba5bf31d5f38dc40b71b915cfc6a3f09eb3194352add