[INFO] cloning repository https://github.com/JonatanPaalsson/Rust-Webassembly-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JonatanPaalsson/Rust-Webassembly-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonatanPaalsson%2FRust-Webassembly-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonatanPaalsson%2FRust-Webassembly-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3146c7bfbd783822dc8e1aee41cfb36fcd4600a7
[INFO] checking JonatanPaalsson/Rust-Webassembly-demo against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonatanPaalsson%2FRust-Webassembly-demo" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JonatanPaalsson/Rust-Webassembly-demo on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JonatanPaalsson/Rust-Webassembly-demo
[INFO] finished tweaking git repo https://github.com/JonatanPaalsson/Rust-Webassembly-demo
[INFO] tweaked toml for git repo https://github.com/JonatanPaalsson/Rust-Webassembly-demo written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/JonatanPaalsson/Rust-Webassembly-demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.58
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.58
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.58
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.58
[INFO] [stderr]   Downloaded bumpalo v3.1.2
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b762b5e470c560c25b26528986ca06cebf86855e4f15a3115c88164f986799cb
[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" "b762b5e470c560c25b26528986ca06cebf86855e4f15a3115c88164f986799cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b762b5e470c560c25b26528986ca06cebf86855e4f15a3115c88164f986799cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b762b5e470c560c25b26528986ca06cebf86855e4f15a3115c88164f986799cb", kill_on_drop: false }`
[INFO] [stdout] b762b5e470c560c25b26528986ca06cebf86855e4f15a3115c88164f986799cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] e242cb852a5cbbd23ea35b965a5db915695f7312f2440c9e727ed4c45dcd596a
[INFO] running `Command { std: "docker" "start" "-a" "e242cb852a5cbbd23ea35b965a5db915695f7312f2440c9e727ed4c45dcd596a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.58
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bumpalo v3.1.2
[INFO] [stderr]    Compiling wasm-bindgen v0.2.58
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.58
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.58
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.58
[INFO] [stderr]     Checking hash-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.65s
[INFO] running `Command { std: "docker" "inspect" "e242cb852a5cbbd23ea35b965a5db915695f7312f2440c9e727ed4c45dcd596a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e242cb852a5cbbd23ea35b965a5db915695f7312f2440c9e727ed4c45dcd596a", kill_on_drop: false }`
[INFO] [stdout] e242cb852a5cbbd23ea35b965a5db915695f7312f2440c9e727ed4c45dcd596a