[INFO] cloning repository https://github.com/aircloud/hello-wasm2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aircloud/hello-wasm2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faircloud%2Fhello-wasm2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faircloud%2Fhello-wasm2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fe2bb58da8257bb3a131c183e7f5f94e1f52a7f1
[INFO] checking aircloud/hello-wasm2 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faircloud%2Fhello-wasm2" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aircloud/hello-wasm2 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aircloud/hello-wasm2
[INFO] finished tweaking git repo https://github.com/aircloud/hello-wasm2
[INFO] tweaked toml for git repo https://github.com/aircloud/hello-wasm2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/aircloud/hello-wasm2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8ec5d64f141800f5893a52a93bc6ba2bd810c3c2831a02d7b91812113fa6ea93
[INFO] running `Command { std: "docker" "start" "-a" "8ec5d64f141800f5893a52a93bc6ba2bd810c3c2831a02d7b91812113fa6ea93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ec5d64f141800f5893a52a93bc6ba2bd810c3c2831a02d7b91812113fa6ea93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ec5d64f141800f5893a52a93bc6ba2bd810c3c2831a02d7b91812113fa6ea93", kill_on_drop: false }`
[INFO] [stdout] 8ec5d64f141800f5893a52a93bc6ba2bd810c3c2831a02d7b91812113fa6ea93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ba8d0bb82b222bc3f32e8eda1da7b4300370a9d8969e0328298656c0ae82da9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4ba8d0bb82b222bc3f32e8eda1da7b4300370a9d8969e0328298656c0ae82da9", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.55
[INFO] [stderr]    Compiling syn v1.0.6
[INFO] [stderr]    Compiling bumpalo v2.6.0
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling anyhow v1.0.22
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.55
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling sourcefile v0.1.4
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling weedle v0.10.0
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.55
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.55
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.55
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.55
[INFO] [stderr]    Compiling web-sys v0.3.32
[INFO] [stderr]     Checking js-sys v0.3.32
[INFO] [stderr]     Checking hello-wasm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `web_sys`
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use web_sys;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `web_sys`
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use web_sys;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/shapes.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 |       let mut shape_info = Shape::new();
[INFO] [stdout]   |           ----^^^^^^^^^^
[INFO] [stdout]   |           |
[INFO] [stdout]   |           help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/shapes.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 |       let mut shape_info = Shape::new();
[INFO] [stdout]   |           ----^^^^^^^^^^
[INFO] [stdout]   |           |
[INFO] [stdout]   |           help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.21s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4ba8d0bb82b222bc3f32e8eda1da7b4300370a9d8969e0328298656c0ae82da9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ba8d0bb82b222bc3f32e8eda1da7b4300370a9d8969e0328298656c0ae82da9", kill_on_drop: false }`
[INFO] [stdout] 4ba8d0bb82b222bc3f32e8eda1da7b4300370a9d8969e0328298656c0ae82da9