[INFO] cloning repository https://github.com/stevebob/hello-wasm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stevebob/hello-wasm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevebob%2Fhello-wasm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevebob%2Fhello-wasm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c15466e83ab5dec8774864a99c801229480a7d62
[INFO] checking stevebob/hello-wasm/c15466e83ab5dec8774864a99c801229480a7d62 against master#b4fefcd60bfd770510f7dc540e887dd3ba4fe5c1 for pr-156992
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevebob%2Fhello-wasm" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/stevebob/hello-wasm
[INFO] finished tweaking git repo https://github.com/stevebob/hello-wasm
[INFO] tweaked toml for git repo https://github.com/stevebob/hello-wasm written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/stevebob/hello-wasm on toolchain b4fefcd60bfd770510f7dc540e887dd3ba4fe5c1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fefcd60bfd770510f7dc540e887dd3ba4fe5c1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/stevebob/hello-wasm 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" "+b4fefcd60bfd770510f7dc540e887dd3ba4fe5c1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.29
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.29
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.29
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.29
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b4fefcd60bfd770510f7dc540e887dd3ba4fe5c1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6d0c4ee065a69b976d9d2e9e1a3075cf8bfe7b216974e62e04a0bb2a4c6f404
[INFO] running `Command { std: "docker" "start" "-a" "c6d0c4ee065a69b976d9d2e9e1a3075cf8bfe7b216974e62e04a0bb2a4c6f404", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6d0c4ee065a69b976d9d2e9e1a3075cf8bfe7b216974e62e04a0bb2a4c6f404", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6d0c4ee065a69b976d9d2e9e1a3075cf8bfe7b216974e62e04a0bb2a4c6f404", kill_on_drop: false }`
[INFO] [stdout] c6d0c4ee065a69b976d9d2e9e1a3075cf8bfe7b216974e62e04a0bb2a4c6f404
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b4fefcd60bfd770510f7dc540e887dd3ba4fe5c1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b9c21f8dcdcf2ad6d8705ee7c4577b144acb11d82b78445ef4b8ca886c52f78
[INFO] running `Command { std: "docker" "start" "-a" "0b9c21f8dcdcf2ad6d8705ee7c4577b144acb11d82b78445ef4b8ca886c52f78", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.29
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.29
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.29
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.29
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.29
[INFO] [stdout] error: older versions of the `wasm-bindgen` crate are incompatible with current versions of Rust; please update to `wasm-bindgen` v0.2.88
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wasm-bindgen` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "0b9c21f8dcdcf2ad6d8705ee7c4577b144acb11d82b78445ef4b8ca886c52f78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b9c21f8dcdcf2ad6d8705ee7c4577b144acb11d82b78445ef4b8ca886c52f78", kill_on_drop: false }`
[INFO] [stdout] 0b9c21f8dcdcf2ad6d8705ee7c4577b144acb11d82b78445ef4b8ca886c52f78