[INFO] cloning repository https://github.com/mvolkmann/wasm-bind-demo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mvolkmann/wasm-bind-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmvolkmann%2Fwasm-bind-demo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmvolkmann%2Fwasm-bind-demo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 15f862713a02cc8301eb66ab16d58f794584d85c [INFO] checking mvolkmann/wasm-bind-demo against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmvolkmann%2Fwasm-bind-demo" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mvolkmann/wasm-bind-demo on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mvolkmann/wasm-bind-demo [INFO] finished tweaking git repo https://github.com/mvolkmann/wasm-bind-demo [INFO] tweaked toml for git repo https://github.com/mvolkmann/wasm-bind-demo written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/mvolkmann/wasm-bind-demo already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7495ea49dd7ffca25742dda9f70a3d79f260a6e1be5d16ae71c4c374b6097482 [INFO] running `Command { std: "docker" "start" "-a" "7495ea49dd7ffca25742dda9f70a3d79f260a6e1be5d16ae71c4c374b6097482", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7495ea49dd7ffca25742dda9f70a3d79f260a6e1be5d16ae71c4c374b6097482", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7495ea49dd7ffca25742dda9f70a3d79f260a6e1be5d16ae71c4c374b6097482", kill_on_drop: false }` [INFO] [stdout] 7495ea49dd7ffca25742dda9f70a3d79f260a6e1be5d16ae71c4c374b6097482 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cf9a01e00ea5a5f969b3d630c0610ae234b822fcd573461693ecfc5196a3b011 [INFO] running `Command { std: "docker" "start" "-a" "cf9a01e00ea5a5f969b3d630c0610ae234b822fcd573461693ecfc5196a3b011", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.70 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling bumpalo v3.6.0 [INFO] [stderr] Compiling wasm-bindgen v0.2.70 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.70 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.70 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.70 [INFO] [stderr] Checking js-sys v0.3.47 [INFO] [stderr] Checking web-sys v0.3.47 [INFO] [stderr] Checking hello_world v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 39 | dom_stuff(); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 39 | dom_stuff(); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 28.29s [INFO] running `Command { std: "docker" "inspect" "cf9a01e00ea5a5f969b3d630c0610ae234b822fcd573461693ecfc5196a3b011", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf9a01e00ea5a5f969b3d630c0610ae234b822fcd573461693ecfc5196a3b011", kill_on_drop: false }` [INFO] [stdout] cf9a01e00ea5a5f969b3d630c0610ae234b822fcd573461693ecfc5196a3b011