[INFO] cloning repository https://github.com/Sociosarbis/wasm-rayon-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sociosarbis/wasm-rayon-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSociosarbis%2Fwasm-rayon-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSociosarbis%2Fwasm-rayon-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 755bec2583e406b23b9b182de12142c996fba8ab
[INFO] checking Sociosarbis/wasm-rayon-demo against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSociosarbis%2Fwasm-rayon-demo" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Sociosarbis/wasm-rayon-demo on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Sociosarbis/wasm-rayon-demo
[INFO] finished tweaking git repo https://github.com/Sociosarbis/wasm-rayon-demo
[INFO] tweaked toml for git repo https://github.com/Sociosarbis/wasm-rayon-demo written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Sociosarbis/wasm-rayon-demo 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded spmc v0.3.0
[INFO] [stderr]   Downloaded wasm-bindgen-rayon v1.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 082f912623190732ecb3ef224dd50885d67161ea66c477a09f8a0dec778b2322
[INFO] running `Command { std: "docker" "start" "-a" "082f912623190732ecb3ef224dd50885d67161ea66c477a09f8a0dec778b2322", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "082f912623190732ecb3ef224dd50885d67161ea66c477a09f8a0dec778b2322", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "082f912623190732ecb3ef224dd50885d67161ea66c477a09f8a0dec778b2322", kill_on_drop: false }`
[INFO] [stdout] 082f912623190732ecb3ef224dd50885d67161ea66c477a09f8a0dec778b2322
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4069ac45c7c59f65dc7327a56fe3c2302a61a37002f978c6d433e426d1feb6d3
[INFO] running `Command { std: "docker" "start" "-a" "4069ac45c7c59f65dc7327a56fe3c2302a61a37002f978c6d433e426d1feb6d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.78
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]    Compiling bumpalo v3.7.1
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling wasm-bindgen v0.2.78
[INFO] [stderr]    Compiling rust-async v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.78
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.78
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.78
[INFO] [stdout] warning: function `validate_compressed_buffer` is never used
[INFO] [stdout]   --> src/ffi.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn validate_compressed_buffer(src: &[u8]) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compress` is never used
[INFO] [stdout]   --> src/ffi.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn compress(src: &[u8]) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `uncompress` is never used
[INFO] [stdout]   --> src/ffi.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn uncompress(src: &[u8]) -> Option<Vec<u8>> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `snappy_compress` is never used
[INFO] [stdout]  --> src/ffi.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn snappy_compress(input: *const u8, input_length: size_t, compressed: *mut u8, compressed_length: *mut size_t) -> c_int;
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `snappy_uncompress` is never used
[INFO] [stdout]  --> src/ffi.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn snappy_uncompress(compressed: *const u8, compressed_length: size_t, uncompressed: *mut u8, uncompressed_length: *mut size_t) -> c_...
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `snappy_uncompressed_length` is never used
[INFO] [stdout]  --> src/ffi.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn snappy_uncompressed_length(compressed: *const u8, compressed_length: size_t, result: *mut size_t) -> c_int;
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `snappy_validate_compressed_buffer` is never used
[INFO] [stdout]  --> src/ffi.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn snappy_validate_compressed_buffer(compressed: *const u8, compressed_length: size_t) -> c_int;
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `snappy_max_compressed_length` is never used
[INFO] [stdout]   --> src/ffi.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn snappy_max_compressed_length(source_length: size_t) -> size_t;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.11s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.78
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "4069ac45c7c59f65dc7327a56fe3c2302a61a37002f978c6d433e426d1feb6d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4069ac45c7c59f65dc7327a56fe3c2302a61a37002f978c6d433e426d1feb6d3", kill_on_drop: false }`
[INFO] [stdout] 4069ac45c7c59f65dc7327a56fe3c2302a61a37002f978c6d433e426d1feb6d3