[INFO] fetching crate building_blocks_image 0.4.3...
[INFO] checking building_blocks_image-0.4.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate building_blocks_image 0.4.3 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate building_blocks_image 0.4.3 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 building_blocks_image 0.4.3
[INFO] finished tweaking crates.io crate building_blocks_image 0.4.3
[INFO] tweaked toml for crates.io crate building_blocks_image 0.4.3 written to /workspace/builds/worker-1-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 57 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding building_blocks_core v0.4.3 (latest: v0.7.1)
[INFO] [stderr]       Adding building_blocks_storage v0.4.3 (latest: v0.7.1)
[INFO] [stderr]       Adding deflate v0.8.6 (latest: v1.0.0)
[INFO] [stderr]       Adding gif v0.11.4 (latest: v0.13.1)
[INFO] [stderr]       Adding image v0.23.14 (latest: v0.25.1)
[INFO] [stderr]       Adding itertools v0.9.0 (latest: v0.12.1)
[INFO] [stderr]       Adding jpeg-decoder v0.1.22 (latest: v0.3.1)
[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 v0.3.1 (latest: v0.4.1)
[INFO] [stderr]       Adding num-bigint v0.3.3 (latest: v0.4.4)
[INFO] [stderr]       Adding num-complex v0.3.1 (latest: v0.4.5)
[INFO] [stderr]       Adding num-rational v0.3.2 (latest: v0.4.1)
[INFO] [stderr]       Adding png v0.16.8 (latest: v0.17.13)
[INFO] [stderr]       Adding tiff v0.6.1 (latest: v0.9.1)
[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 scoped_threadpool v0.1.9
[INFO] [stderr]   Downloaded miniz_oxide v0.3.7
[INFO] [stderr]   Downloaded building_blocks_core v0.4.3
[INFO] [stderr]   Downloaded num-complex v0.3.1
[INFO] [stderr]   Downloaded num v0.3.1
[INFO] [stderr]   Downloaded building_blocks_storage v0.4.3
[INFO] [stderr]   Downloaded png v0.16.8
[INFO] [stderr]   Downloaded num-bigint v0.3.3
[INFO] [stderr]   Downloaded image v0.23.14
[INFO] [stderr]   Downloaded gif v0.11.4
[INFO] [stderr]   Downloaded deflate v0.8.6
[INFO] [stderr]   Downloaded num-rational v0.3.2
[INFO] [stderr]   Downloaded tiff v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ef75fd633907fbf933527d9b4c85760023b32a2a76a7e22c35ec1ee914dc5f93
[INFO] running `Command { std: "docker" "start" "-a" "ef75fd633907fbf933527d9b4c85760023b32a2a76a7e22c35ec1ee914dc5f93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef75fd633907fbf933527d9b4c85760023b32a2a76a7e22c35ec1ee914dc5f93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef75fd633907fbf933527d9b4c85760023b32a2a76a7e22c35ec1ee914dc5f93", kill_on_drop: false }`
[INFO] [stdout] ef75fd633907fbf933527d9b4c85760023b32a2a76a7e22c35ec1ee914dc5f93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 50a817c3f294a2897607b353e1a2578905b9d435323a6394a7d4705b331a3cac
[INFO] running `Command { std: "docker" "start" "-a" "50a817c3f294a2897607b353e1a2578905b9d435323a6394a7d4705b331a3cac", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking weezl v0.1.8
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking gif v0.11.4
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking building_blocks_core v0.4.3
[INFO] [stderr]     Checking building_blocks_storage v0.4.3
[INFO] [stderr]     Checking building_blocks_image v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Local` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:2:43
[INFO] [stdout]   |
[INFO] [stdout] 2 | use building_blocks_storage::{prelude::*, Local};
[INFO] [stdout]   |                               ----------  ^^^^^
[INFO] [stdout]   |                               |
[INFO] [stdout]   |                               the item `Local` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Local` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:2:43
[INFO] [stdout]   |
[INFO] [stdout] 2 | use building_blocks_storage::{prelude::*, Local};
[INFO] [stdout]   |                               ----------  ^^^^^
[INFO] [stdout]   |                               |
[INFO] [stdout]   |                               the item `Local` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.26s
[INFO] running `Command { std: "docker" "inspect" "50a817c3f294a2897607b353e1a2578905b9d435323a6394a7d4705b331a3cac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50a817c3f294a2897607b353e1a2578905b9d435323a6394a7d4705b331a3cac", kill_on_drop: false }`
[INFO] [stdout] 50a817c3f294a2897607b353e1a2578905b9d435323a6394a7d4705b331a3cac