[INFO] cloning repository https://github.com/tangramxyz/pinwheel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tangramxyz/pinwheel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftangramxyz%2Fpinwheel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftangramxyz%2Fpinwheel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 11907a419c8367993f502d486ba8ddf417cc665e
[INFO] checking tangramxyz/pinwheel against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftangramxyz%2Fpinwheel" "/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/tangramxyz/pinwheel 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/tangramxyz/pinwheel
[INFO] finished tweaking git repo https://github.com/tangramxyz/pinwheel
[INFO] tweaked toml for git repo https://github.com/tangramxyz/pinwheel written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tangramxyz/pinwheel 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]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-signals v0.3.28
[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] 965f46b01281d836581b1aea186a605703914437173e0d1273c301241e5e6d58
[INFO] running `Command { std: "docker" "start" "-a" "965f46b01281d836581b1aea186a605703914437173e0d1273c301241e5e6d58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "965f46b01281d836581b1aea186a605703914437173e0d1273c301241e5e6d58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "965f46b01281d836581b1aea186a605703914437173e0d1273c301241e5e6d58", kill_on_drop: false }`
[INFO] [stdout] 965f46b01281d836581b1aea186a605703914437173e0d1273c301241e5e6d58
[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] 615bb8967cda35f1d9a569d897ac429b1f08d7d8ebeacf122124e4603e2138c4
[INFO] running `Command { std: "docker" "start" "-a" "615bb8967cda35f1d9a569d897ac429b1f08d7d8ebeacf122124e4603e2138c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.94
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.73
[INFO] [stderr]    Compiling bumpalo v3.9.1
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling wasm-bindgen v0.2.73
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking unicode-xid v0.2.3
[INFO] [stderr]     Checking tracing-core v0.1.26
[INFO] [stderr]     Checking discard v1.0.4
[INFO] [stderr]     Checking proc-macro2 v1.0.38
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking serde_json v1.0.81
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.73
[INFO] [stderr]     Checking pinwheel_elements_macro v0.2.0 (/opt/rustwide/workdir/elements/macro)
[INFO] [stderr]     Checking pinwheel_macro v0.2.1 (/opt/rustwide/workdir/macro)
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.73
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.73
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]     Checking js-sys v0.3.50
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures-signals v0.3.28
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking web-sys v0.3.50
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.23
[INFO] [stderr]     Checking pinwheel v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking pinwheel_counter v0.0.0 (/opt/rustwide/workdir/examples/counter)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 43.39s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.73
[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" "615bb8967cda35f1d9a569d897ac429b1f08d7d8ebeacf122124e4603e2138c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "615bb8967cda35f1d9a569d897ac429b1f08d7d8ebeacf122124e4603e2138c4", kill_on_drop: false }`
[INFO] [stdout] 615bb8967cda35f1d9a569d897ac429b1f08d7d8ebeacf122124e4603e2138c4
[INFO] checking tangramxyz/pinwheel against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftangramxyz%2Fpinwheel" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tangramxyz/pinwheel on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tangramxyz/pinwheel
[INFO] finished tweaking git repo https://github.com/tangramxyz/pinwheel
[INFO] tweaked toml for git repo https://github.com/tangramxyz/pinwheel written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tangramxyz/pinwheel 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f05578d4a59c741f05de126589c42554582271b9ac4fad4c1b06bfb98afc3b72
[INFO] running `Command { std: "docker" "start" "-a" "f05578d4a59c741f05de126589c42554582271b9ac4fad4c1b06bfb98afc3b72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f05578d4a59c741f05de126589c42554582271b9ac4fad4c1b06bfb98afc3b72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f05578d4a59c741f05de126589c42554582271b9ac4fad4c1b06bfb98afc3b72", kill_on_drop: false }`
[INFO] [stdout] f05578d4a59c741f05de126589c42554582271b9ac4fad4c1b06bfb98afc3b72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] deae4bd651114568ebeba66b0c0bf96fc762cd0f9c5d20d3ef6ecd2eb484105a
[INFO] running `Command { std: "docker" "start" "-a" "deae4bd651114568ebeba66b0c0bf96fc762cd0f9c5d20d3ef6ecd2eb484105a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.94
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.73
[INFO] [stderr]    Compiling bumpalo v3.9.1
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling wasm-bindgen v0.2.73
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking unicode-xid v0.2.3
[INFO] [stderr]     Checking proc-macro2 v1.0.38
[INFO] [stderr]     Checking tracing-core v0.1.26
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking discard v1.0.4
[INFO] [stderr]     Checking serde_json v1.0.81
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]     Checking pinwheel_elements_macro v0.2.0 (/opt/rustwide/workdir/elements/macro)
[INFO] [stderr]     Checking pinwheel_macro v0.2.1 (/opt/rustwide/workdir/macro)
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.73
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.73
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.73
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]     Checking js-sys v0.3.50
[INFO] [stderr]     Checking web-sys v0.3.50
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.23
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures-signals v0.3.28
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking pinwheel v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking pinwheel_counter v0.0.0 (/opt/rustwide/workdir/examples/counter)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 50.33s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.73
[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" "deae4bd651114568ebeba66b0c0bf96fc762cd0f9c5d20d3ef6ecd2eb484105a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "deae4bd651114568ebeba66b0c0bf96fc762cd0f9c5d20d3ef6ecd2eb484105a", kill_on_drop: false }`
[INFO] [stdout] deae4bd651114568ebeba66b0c0bf96fc762cd0f9c5d20d3ef6ecd2eb484105a