[INFO] cloning repository https://github.com/Riku-KANO/webassembly-examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Riku-KANO/webassembly-examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRiku-KANO%2Fwebassembly-examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRiku-KANO%2Fwebassembly-examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bf8a0edc7abc97a4e992f55e547726a6e4d739d3
[INFO] checking Riku-KANO/webassembly-examples/bf8a0edc7abc97a4e992f55e547726a6e4d739d3 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRiku-KANO%2Fwebassembly-examples" "/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/Riku-KANO/webassembly-examples on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Riku-KANO/webassembly-examples
[INFO] finished tweaking git repo https://github.com/Riku-KANO/webassembly-examples
[INFO] tweaked toml for git repo https://github.com/Riku-KANO/webassembly-examples written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Riku-KANO/webassembly-examples 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" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.34
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.34
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03626e6d7790a09d3caa20f577fecc7b0aa1ab6bb0d695ba91650cff9e785065
[INFO] running `Command { std: "docker" "start" "-a" "03626e6d7790a09d3caa20f577fecc7b0aa1ab6bb0d695ba91650cff9e785065", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03626e6d7790a09d3caa20f577fecc7b0aa1ab6bb0d695ba91650cff9e785065", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03626e6d7790a09d3caa20f577fecc7b0aa1ab6bb0d695ba91650cff9e785065", kill_on_drop: false }`
[INFO] [stdout] 03626e6d7790a09d3caa20f577fecc7b0aa1ab6bb0d695ba91650cff9e785065
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 390d292c2730c4ae4fb1213c0f4a4a6e837f036b72ae1f7c160b3c7e51c80cdd
[INFO] running `Command { std: "docker" "start" "-a" "390d292c2730c4ae4fb1213c0f4a4a6e837f036b72ae1f7c160b3c7e51c80cdd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.84
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling bumpalo v3.12.1
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling wasm-bindgen v0.2.84
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "390d292c2730c4ae4fb1213c0f4a4a6e837f036b72ae1f7c160b3c7e51c80cdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "390d292c2730c4ae4fb1213c0f4a4a6e837f036b72ae1f7c160b3c7e51c80cdd", kill_on_drop: false }`
[INFO] [stdout] 390d292c2730c4ae4fb1213c0f4a4a6e837f036b72ae1f7c160b3c7e51c80cdd