[INFO] cloning repository https://github.com/dev-drprasad/snake-game-wasm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dev-drprasad/snake-game-wasm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdev-drprasad%2Fsnake-game-wasm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdev-drprasad%2Fsnake-game-wasm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 793fa279900d70cd5b768f5e22b92cc368e017ff
[INFO] checking dev-drprasad/snake-game-wasm against try#d336647335db03a0fc5b24fc5325cd3905c5b8e8 for pr-151146
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdev-drprasad%2Fsnake-game-wasm" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  87% (6431/7335)
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Updating files: 100% (7335/7335), done.
[INFO] started tweaking git repo https://github.com/dev-drprasad/snake-game-wasm
[INFO] finished tweaking git repo https://github.com/dev-drprasad/snake-game-wasm
[INFO] tweaked toml for git repo https://github.com/dev-drprasad/snake-game-wasm written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dev-drprasad/snake-game-wasm on toolchain d336647335db03a0fc5b24fc5325cd3905c5b8e8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dev-drprasad/snake-game-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" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ebae672e66752be39b6fd201b39aad57c682c6b07b3e41f6eb4f2552d9af75ff
[INFO] running `Command { std: "docker" "start" "-a" "ebae672e66752be39b6fd201b39aad57c682c6b07b3e41f6eb4f2552d9af75ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebae672e66752be39b6fd201b39aad57c682c6b07b3e41f6eb4f2552d9af75ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebae672e66752be39b6fd201b39aad57c682c6b07b3e41f6eb4f2552d9af75ff", kill_on_drop: false }`
[INFO] [stdout] ebae672e66752be39b6fd201b39aad57c682c6b07b3e41f6eb4f2552d9af75ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20c7026d3470433aac55747117e542a3104f2ebbd30da5a860d212a49e400f35
[INFO] running `Command { std: "docker" "start" "-a" "20c7026d3470433aac55747117e542a3104f2ebbd30da5a860d212a49e400f35", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.84
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling bumpalo v3.12.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling once_cell v1.17.0
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]    Compiling wasm-bindgen v0.2.84
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.50/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a feature with a similar name: `proc_macro_span_file`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout] 92 +     feature(proc_macro_span, proc_macro_span_file)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking memory_units v0.4.0
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "20c7026d3470433aac55747117e542a3104f2ebbd30da5a860d212a49e400f35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20c7026d3470433aac55747117e542a3104f2ebbd30da5a860d212a49e400f35", kill_on_drop: false }`
[INFO] [stdout] 20c7026d3470433aac55747117e542a3104f2ebbd30da5a860d212a49e400f35