[INFO] cloning repository https://github.com/PieWol/seminar-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PieWol/seminar-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPieWol%2Fseminar-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPieWol%2Fseminar-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b5455c165465919e9f530ff56d0e3d9bba33f04e
[INFO] checking PieWol/seminar-demo against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPieWol%2Fseminar-demo" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PieWol/seminar-demo 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 git repo https://github.com/PieWol/seminar-demo
[INFO] finished tweaking git repo https://github.com/PieWol/seminar-demo
[INFO] tweaked toml for git repo https://github.com/PieWol/seminar-demo written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/PieWol/seminar-demo 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gpu-descriptor v0.1.1
[INFO] [stderr]   Downloaded rose_tree v0.2.0
[INFO] [stderr]   Downloaded conrod_derive v0.74.0
[INFO] [stderr]   Downloaded conrod_winit v0.74.0
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[INFO] [stderr]   Downloaded lyon_path v0.15.2
[INFO] [stderr]   Downloaded gpu-alloc v0.4.7
[INFO] [stderr]   Downloaded copypasta v0.6.3
[INFO] [stderr]   Downloaded clipboard-win v2.2.0
[INFO] [stderr]   Downloaded euclid v0.20.14
[INFO] [stderr]   Downloaded conrod_core v0.74.0
[INFO] [stderr]   Downloaded notosans v0.1.0
[INFO] [stderr]   Downloaded spirv_cross v0.23.1
[INFO] [stderr]   Downloaded ash v0.32.1
[INFO] [stderr]   Downloaded glam v0.16.0
[INFO] [stderr]   Downloaded noise v0.7.0
[INFO] [stderr]   Downloaded gfx-backend-dx11 v0.9.0
[INFO] [stderr]   Downloaded gfx-backend-dx12 v0.9.1
[INFO] [stderr]   Downloaded glow v0.9.0
[INFO] [stderr]   Downloaded gfx-backend-metal v0.9.1
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[INFO] [stderr]   Downloaded smithay-clipboard v0.4.0
[INFO] [stderr]   Downloaded gfx-hal v0.9.0
[INFO] [stderr]   Downloaded naga v0.5.0
[INFO] [stderr]   Downloaded wgpu-core v0.9.3
[INFO] [stderr]   Downloaded winnow v0.5.39
[INFO] [stderr]   Downloaded nannou v0.17.1
[INFO] [stderr]   Downloaded lyon_tessellation v0.15.9
[INFO] [stderr]   Downloaded slotmap v0.4.3
[INFO] [stderr]   Downloaded gfx-backend-gl v0.9.0
[INFO] [stderr]   Downloaded conrod_wgpu v0.74.0
[INFO] [stderr]   Downloaded lyon_algorithms v0.15.1
[INFO] [stderr]   Downloaded nannou_core v0.17.0
[INFO] [stderr]   Downloaded daggy v0.5.0
[INFO] [stderr]   Downloaded daggy v0.6.0
[INFO] [stderr]   Downloaded thunderdome v0.4.2
[INFO] [stderr]   Downloaded drm-fourcc v2.2.0
[INFO] [stderr]   Downloaded wgpu v0.9.0
[INFO] [stderr]   Downloaded wgpu-types v0.9.3
[INFO] [stderr]   Downloaded pennereq v0.3.1
[INFO] [stderr]   Downloaded gfx-auxil v0.10.0
[INFO] [stderr]   Downloaded external-memory v0.0.1
[INFO] [stderr]   Downloaded lyon v0.15.9
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55e57e89e3d43b173773a801e647443f13373fa682a588bd77a7d54529e4892d
[INFO] running `Command { std: "docker" "start" "-a" "55e57e89e3d43b173773a801e647443f13373fa682a588bd77a7d54529e4892d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55e57e89e3d43b173773a801e647443f13373fa682a588bd77a7d54529e4892d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55e57e89e3d43b173773a801e647443f13373fa682a588bd77a7d54529e4892d", kill_on_drop: false }`
[INFO] [stdout] 55e57e89e3d43b173773a801e647443f13373fa682a588bd77a7d54529e4892d
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f16fbdfcc04a39d1429637cd4e5c7f5a9ee1a6abafc5add555b5a64aec484d94
[INFO] running `Command { std: "docker" "start" "-a" "f16fbdfcc04a39d1429637cd4e5c7f5a9ee1a6abafc5add555b5a64aec484d94", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling indexmap v1.9.3
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[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking cty v0.2.2
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[INFO] [stderr]    Compiling drm-fourcc v2.2.0
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking num_cpus v1.16.0
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[INFO] [stderr]    Compiling wayland-scanner v0.23.6
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[INFO] [stderr]    Compiling parking_lot_core v0.8.6
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[INFO] [stderr]    Compiling libc v0.2.153
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[INFO] [stderr]    Compiling xcb v0.10.1
[INFO] [stderr]    Compiling wgpu-core v0.9.3
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[INFO] [stderr]    Compiling winit v0.25.0
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[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking lyon_algorithms v0.15.1
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[INFO] [stderr]     Checking rand_xorshift v0.2.0
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[INFO] [stderr]     Checking wayland-cursor v0.28.6
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]     Checking x11-clipboard v0.5.3
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[INFO] [stderr]     Checking gfx-hal v0.9.0
[INFO] [stderr]     Checking smithay-client-toolkit v0.6.6
[INFO] [stderr]     Checking nannou_core v0.17.0
[INFO] [stderr]     Checking smithay-clipboard v0.4.0
[INFO] [stderr]     Checking copypasta v0.6.3
[INFO] [stderr]     Checking conrod_core v0.74.0
[INFO] [stderr]     Checking smithay-client-toolkit v0.12.3
[INFO] [stderr]     Checking gfx-backend-empty v0.9.0
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[INFO] [stderr]     Checking gfx-backend-gl v0.9.0
[INFO] [stderr]     Checking wgpu v0.9.0
[INFO] [stderr]     Checking conrod_wgpu v0.74.0
[INFO] [stderr]     Checking nannou v0.17.1
[INFO] [stderr]     Checking seminar-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 45.20s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: quick-xml v0.22.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "f16fbdfcc04a39d1429637cd4e5c7f5a9ee1a6abafc5add555b5a64aec484d94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f16fbdfcc04a39d1429637cd4e5c7f5a9ee1a6abafc5add555b5a64aec484d94", kill_on_drop: false }`
[INFO] [stdout] f16fbdfcc04a39d1429637cd4e5c7f5a9ee1a6abafc5add555b5a64aec484d94