[INFO] fetching crate average_color 0.1.1... [INFO] checking average_color-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate average_color 0.1.1 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate average_color 0.1.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate average_color 0.1.1 [INFO] finished tweaking crates.io crate average_color 0.1.1 [INFO] tweaked toml for crates.io crate average_color 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 132 packages [INFO] [stderr] Adding async-channel v1.9.0 (latest: v2.2.0) [INFO] [stderr] Adding async-io v1.13.0 (latest: v2.3.2) [INFO] [stderr] Adding async-lock v2.8.0 (latest: v3.3.0) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding deflate v0.8.6 (latest: v1.0.0) [INFO] [stderr] Adding event-listener v2.5.3 (latest: v5.3.0) [INFO] [stderr] Adding event-listener v4.0.3 (latest: v5.3.0) [INFO] [stderr] Adding event-listener-strategy v0.4.0 (latest: v0.5.1) [INFO] [stderr] Adding fastrand v1.9.0 (latest: v2.0.2) [INFO] [stderr] Adding futures-lite v1.13.0 (latest: v2.3.0) [INFO] [stderr] Adding gif v0.11.4 (latest: v0.13.1) [INFO] [stderr] Adding gloo-timers v0.2.6 (latest: v0.3.0) [INFO] [stderr] Adding image v0.23.14 (latest: v0.25.1) [INFO] [stderr] Adding io-lifetimes v1.0.11 (latest: v2.0.3) [INFO] [stderr] Adding jpeg-decoder v0.1.22 (latest: v0.3.1) [INFO] [stderr] Adding linux-raw-sys v0.3.8 (latest: v0.6.4) [INFO] [stderr] Adding linux-raw-sys v0.4.13 (latest: v0.6.4) [INFO] [stderr] Adding miniz_oxide v0.3.7 (latest: v0.7.2) [INFO] [stderr] Adding miniz_oxide v0.4.4 (latest: v0.7.2) [INFO] [stderr] Adding num-rational v0.3.2 (latest: v0.4.1) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding png v0.16.8 (latest: v0.17.13) [INFO] [stderr] Adding polling v2.8.0 (latest: v3.6.0) [INFO] [stderr] Adding rustix v0.37.27 (latest: v0.38.32) [INFO] [stderr] Adding socket2 v0.4.10 (latest: v0.5.6) [INFO] [stderr] Adding tiff v0.6.1 (latest: v0.9.1) [INFO] [stderr] Adding windows-sys v0.48.0 (latest: v0.52.0) [INFO] [stderr] Adding windows-targets v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded adler32 v1.2.0 [INFO] [stderr] Downloaded weezl v0.1.8 [INFO] [stderr] Downloaded deflate v0.8.6 [INFO] [stderr] Downloaded num-rational v0.3.2 [INFO] [stderr] Downloaded miniz_oxide v0.3.7 [INFO] [stderr] Downloaded png v0.16.8 [INFO] [stderr] Downloaded bytemuck v1.15.0 [INFO] [stderr] Downloaded jpeg-decoder v0.1.22 [INFO] [stderr] Downloaded image v0.23.14 [INFO] [stderr] Downloaded gif v0.11.4 [INFO] [stderr] Downloaded tiff v0.6.1 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 68e930da99177590616e3d3855906822e7439b65b4d4d00e8a0ad2b219be9c96 [INFO] running `Command { std: "docker" "start" "-a" "68e930da99177590616e3d3855906822e7439b65b4d4d00e8a0ad2b219be9c96", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "68e930da99177590616e3d3855906822e7439b65b4d4d00e8a0ad2b219be9c96", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "68e930da99177590616e3d3855906822e7439b65b4d4d00e8a0ad2b219be9c96", kill_on_drop: false }` [INFO] [stdout] 68e930da99177590616e3d3855906822e7439b65b4d4d00e8a0ad2b219be9c96 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2801cbaa3377612cb6139c7c806f225fc232f29cac64d14e3a4209881b56a87e [INFO] running `Command { std: "docker" "start" "-a" "2801cbaa3377612cb6139c7c806f225fc232f29cac64d14e3a4209881b56a87e", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Checking parking v2.2.0 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking fastrand v2.0.2 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling rustix v0.38.32 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Checking linux-raw-sys v0.4.13 [INFO] [stderr] Checking value-bag v1.8.1 [INFO] [stderr] Checking bitflags v2.5.0 [INFO] [stderr] Compiling io-lifetimes v1.0.11 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling polling v2.8.0 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Checking event-listener v2.5.3 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking async-task v4.7.0 [INFO] [stderr] Checking atomic-waker v1.1.2 [INFO] [stderr] Checking futures-lite v2.3.0 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Compiling rustix v0.37.27 [INFO] [stderr] Checking piper v0.2.1 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Compiling async-io v1.13.0 [INFO] [stderr] Checking fastrand v1.9.0 [INFO] [stderr] Checking linux-raw-sys v0.3.8 [INFO] [stderr] Checking waker-fn v1.1.1 [INFO] [stderr] Checking weezl v0.1.8 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking futures-lite v1.13.0 [INFO] [stderr] Checking miniz_oxide v0.3.7 [INFO] [stderr] Checking async-lock v2.8.0 [INFO] [stderr] Checking color_quant v1.1.0 [INFO] [stderr] Checking deflate v0.8.6 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Checking concurrent-queue v2.4.0 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking gif v0.11.4 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking event-listener v4.0.3 [INFO] [stderr] Checking event-listener v5.3.0 [INFO] [stderr] Checking async-channel v1.9.0 [INFO] [stderr] Checking bytemuck v1.15.0 [INFO] [stderr] Checking event-listener-strategy v0.4.0 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking png v0.16.8 [INFO] [stderr] Checking async-lock v3.3.0 [INFO] [stderr] Checking event-listener-strategy v0.5.1 [INFO] [stderr] Checking async-channel v2.2.0 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking blocking v1.5.1 [INFO] [stderr] Checking async-executor v1.9.1 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking socket2 v0.4.10 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking num-iter v0.1.44 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Checking jpeg-decoder v0.1.22 [INFO] [stderr] Checking tiff v0.6.1 [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stderr] Checking image v0.23.14 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking polling v3.6.0 [INFO] [stderr] Checking async-io v2.3.2 [INFO] [stderr] Checking async-global-executor v2.4.1 [INFO] [stderr] Checking async-std v1.12.0 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking average_color v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.95s [INFO] running `Command { std: "docker" "inspect" "2801cbaa3377612cb6139c7c806f225fc232f29cac64d14e3a4209881b56a87e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2801cbaa3377612cb6139c7c806f225fc232f29cac64d14e3a4209881b56a87e", kill_on_drop: false }` [INFO] [stdout] 2801cbaa3377612cb6139c7c806f225fc232f29cac64d14e3a4209881b56a87e [INFO] checking average_color-0.1.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate average_color 0.1.1 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate average_color 0.1.1 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate average_color 0.1.1 [INFO] finished tweaking crates.io crate average_color 0.1.1 [INFO] tweaked toml for crates.io crate average_color 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 23d78c47bf41bb0371472ec72bf784f13f959f7e2533e6c1f1ed0bd1f8afa5f4 [INFO] running `Command { std: "docker" "start" "-a" "23d78c47bf41bb0371472ec72bf784f13f959f7e2533e6c1f1ed0bd1f8afa5f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "23d78c47bf41bb0371472ec72bf784f13f959f7e2533e6c1f1ed0bd1f8afa5f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "23d78c47bf41bb0371472ec72bf784f13f959f7e2533e6c1f1ed0bd1f8afa5f4", kill_on_drop: false }` [INFO] [stdout] 23d78c47bf41bb0371472ec72bf784f13f959f7e2533e6c1f1ed0bd1f8afa5f4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c78b696534e20e0c45065db67572cd75adb63f550d845e1700e4d422fe73ff1c [INFO] running `Command { std: "docker" "start" "-a" "c78b696534e20e0c45065db67572cd75adb63f550d845e1700e4d422fe73ff1c", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Checking parking v2.2.0 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking fastrand v2.0.2 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling rustix v0.38.32 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Checking value-bag v1.8.1 [INFO] [stderr] Checking linux-raw-sys v0.4.13 [INFO] [stderr] Checking bitflags v2.5.0 [INFO] [stderr] Compiling io-lifetimes v1.0.11 [INFO] [stderr] Compiling polling v2.8.0 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking async-task v4.7.0 [INFO] [stderr] Checking atomic-waker v1.1.2 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking event-listener v2.5.3 [INFO] [stderr] Checking futures-lite v2.3.0 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Compiling rustix v0.37.27 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking piper v0.2.1 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling async-io v1.13.0 [INFO] [stderr] Checking weezl v0.1.8 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking linux-raw-sys v0.3.8 [INFO] [stderr] Checking fastrand v1.9.0 [INFO] [stderr] Checking waker-fn v1.1.1 [INFO] [stderr] Checking async-lock v2.8.0 [INFO] [stderr] Checking deflate v0.8.6 [INFO] [stderr] Checking miniz_oxide v0.3.7 [INFO] [stderr] Checking color_quant v1.1.0 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking futures-lite v1.13.0 [INFO] [stderr] Checking gif v0.11.4 [INFO] [stderr] Checking bytemuck v1.15.0 [INFO] [stderr] Checking png v0.16.8 [INFO] [stderr] Checking concurrent-queue v2.4.0 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking event-listener v4.0.3 [INFO] [stderr] Checking event-listener v5.3.0 [INFO] [stderr] Checking async-channel v1.9.0 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking event-listener-strategy v0.4.0 [INFO] [stderr] Checking async-lock v3.3.0 [INFO] [stderr] Checking event-listener-strategy v0.5.1 [INFO] [stderr] Checking async-channel v2.2.0 [INFO] [stderr] Checking async-executor v1.9.1 [INFO] [stderr] Checking blocking v1.5.1 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking socket2 v0.4.10 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking num-iter v0.1.44 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Checking jpeg-decoder v0.1.22 [INFO] [stderr] Checking tiff v0.6.1 [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stderr] Checking image v0.23.14 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking polling v3.6.0 [INFO] [stderr] Checking async-io v2.3.2 [INFO] [stderr] Checking async-global-executor v2.4.1 [INFO] [stderr] Checking async-std v1.12.0 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking average_color v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.53s [INFO] running `Command { std: "docker" "inspect" "c78b696534e20e0c45065db67572cd75adb63f550d845e1700e4d422fe73ff1c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c78b696534e20e0c45065db67572cd75adb63f550d845e1700e4d422fe73ff1c", kill_on_drop: false }` [INFO] [stdout] c78b696534e20e0c45065db67572cd75adb63f550d845e1700e4d422fe73ff1c