[INFO] cloning repository https://github.com/anlumo/webgl_rust_demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anlumo/webgl_rust_demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanlumo%2Fwebgl_rust_demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanlumo%2Fwebgl_rust_demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de33ec152d1c85301c3c208dd5fa91e340802d6b
[INFO] checking anlumo/webgl_rust_demo against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanlumo%2Fwebgl_rust_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/anlumo/webgl_rust_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/anlumo/webgl_rust_demo
[INFO] finished tweaking git repo https://github.com/anlumo/webgl_rust_demo
[INFO] tweaked toml for git repo https://github.com/anlumo/webgl_rust_demo written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/anlumo/webgl_rust_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] warning: Found `debug_assertions` in `target.'cfg(...)'.dependencies`. This value is not supported for selecting dependencies and will not work as expected. To learn more visit https://doc.rust-lang.org/cargo/reference/specifying-dependencies.html#platform-specific-dependencies
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wee_alloc v0.4.4
[INFO] [stderr]   Downloaded weedle v0.9.0
[INFO] [stderr]   Downloaded wasm-bindgen-webidl v0.2.47
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.47
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.47
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.2.47
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.47
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.3.24
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.2.47
[INFO] [stderr]   Downloaded sourcefile v0.1.4
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.47
[INFO] [stderr]   Downloaded js-sys v0.3.24
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.47
[INFO] [stderr]   Downloaded syn v0.15.36
[INFO] [stderr]   Downloaded web-sys v0.3.24
[INFO] [stderr]   Downloaded bumpalo v2.4.3
[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] bbc49502420e8c82b651ecb38580f2e8622c51056500807af498cd2570b9d09a
[INFO] running `Command { std: "docker" "start" "-a" "bbc49502420e8c82b651ecb38580f2e8622c51056500807af498cd2570b9d09a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbc49502420e8c82b651ecb38580f2e8622c51056500807af498cd2570b9d09a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbc49502420e8c82b651ecb38580f2e8622c51056500807af498cd2570b9d09a", kill_on_drop: false }`
[INFO] [stdout] bbc49502420e8c82b651ecb38580f2e8622c51056500807af498cd2570b9d09a
[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] ba267ab209eb85beb47034af27a09d4a8be6cf11b45e15866140505a6fdb39f4
[INFO] running `Command { std: "docker" "start" "-a" "ba267ab209eb85beb47034af27a09d4a8be6cf11b45e15866140505a6fdb39f4", kill_on_drop: false }`
[INFO] [stderr] warning: Found `debug_assertions` in `target.'cfg(...)'.dependencies`. This value is not supported for selecting dependencies and will not work as expected. To learn more visit https://doc.rust-lang.org/cargo/reference/specifying-dependencies.html#platform-specific-dependencies
[INFO] [stderr]    Compiling syn v0.15.36
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.47
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling bumpalo v2.4.3
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling backtrace v0.3.30
[INFO] [stderr]    Compiling wasm-bindgen v0.2.47
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling rustc-demangle v0.1.15
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling sourcefile v0.1.4
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling wee_alloc v0.4.4
[INFO] [stderr]     Checking memory_units v0.4.0
[INFO] [stderr]     Checking futures v0.1.27
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.2.47
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling weedle v0.9.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.47
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling euclid_macros v0.1.0
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.47
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]     Checking euclid v0.19.9
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.47
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.47
[INFO] [stderr]    Compiling web-sys v0.3.24
[INFO] [stderr]     Checking js-sys v0.3.24
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking wasm-bindgen-futures v0.3.24
[INFO] [stderr]     Checking wasm-bindgen-test v0.2.47
[INFO] [stderr]     Checking webgl_rust_demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.64s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3, wasm-bindgen v0.2.47
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "ba267ab209eb85beb47034af27a09d4a8be6cf11b45e15866140505a6fdb39f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba267ab209eb85beb47034af27a09d4a8be6cf11b45e15866140505a6fdb39f4", kill_on_drop: false }`
[INFO] [stdout] ba267ab209eb85beb47034af27a09d4a8be6cf11b45e15866140505a6fdb39f4
[INFO] checking anlumo/webgl_rust_demo against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanlumo%2Fwebgl_rust_demo" "/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/anlumo/webgl_rust_demo 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/anlumo/webgl_rust_demo
[INFO] finished tweaking git repo https://github.com/anlumo/webgl_rust_demo
[INFO] tweaked toml for git repo https://github.com/anlumo/webgl_rust_demo written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/anlumo/webgl_rust_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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Found `debug_assertions` in `target.'cfg(...)'.dependencies`. This value is not supported for selecting dependencies and will not work as expected. To learn more visit https://doc.rust-lang.org/cargo/reference/specifying-dependencies.html#platform-specific-dependencies
[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] 65c4616a89b6d7484bb0a9c99718a396772cdc013b1d20e5a271b6bc089b751d
[INFO] running `Command { std: "docker" "start" "-a" "65c4616a89b6d7484bb0a9c99718a396772cdc013b1d20e5a271b6bc089b751d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65c4616a89b6d7484bb0a9c99718a396772cdc013b1d20e5a271b6bc089b751d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65c4616a89b6d7484bb0a9c99718a396772cdc013b1d20e5a271b6bc089b751d", kill_on_drop: false }`
[INFO] [stdout] 65c4616a89b6d7484bb0a9c99718a396772cdc013b1d20e5a271b6bc089b751d
[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] 27c784db66c6afefb600860d8caf95debe1038df62e0e9591d7814ab8204b41f
[INFO] running `Command { std: "docker" "start" "-a" "27c784db66c6afefb600860d8caf95debe1038df62e0e9591d7814ab8204b41f", kill_on_drop: false }`
[INFO] [stderr] warning: Found `debug_assertions` in `target.'cfg(...)'.dependencies`. This value is not supported for selecting dependencies and will not work as expected. To learn more visit https://doc.rust-lang.org/cargo/reference/specifying-dependencies.html#platform-specific-dependencies
[INFO] [stderr]    Compiling syn v0.15.36
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.47
[INFO] [stderr]    Compiling bumpalo v2.4.3
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling backtrace v0.3.30
[INFO] [stderr]    Compiling wasm-bindgen v0.2.47
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling rustc-demangle v0.1.15
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling sourcefile v0.1.4
[INFO] [stderr]    Compiling wee_alloc v0.4.4
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking futures v0.1.27
[INFO] [stderr]     Checking memory_units v0.4.0
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.2.47
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling weedle v0.9.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.47
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling euclid_macros v0.1.0
[INFO] [stderr]     Checking euclid v0.19.9
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.47
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.47
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.47
[INFO] [stderr]    Compiling web-sys v0.3.24
[INFO] [stderr]     Checking js-sys v0.3.24
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking wasm-bindgen-futures v0.3.24
[INFO] [stderr]     Checking wasm-bindgen-test v0.2.47
[INFO] [stderr]     Checking webgl_rust_demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.43s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3, wasm-bindgen v0.2.47
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "27c784db66c6afefb600860d8caf95debe1038df62e0e9591d7814ab8204b41f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27c784db66c6afefb600860d8caf95debe1038df62e0e9591d7814ab8204b41f", kill_on_drop: false }`
[INFO] [stdout] 27c784db66c6afefb600860d8caf95debe1038df62e0e9591d7814ab8204b41f