[INFO] cloning repository https://github.com/ErnWong/rust-wasm-experiment-wavesim
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ErnWong/rust-wasm-experiment-wavesim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FErnWong%2Frust-wasm-experiment-wavesim"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FErnWong%2Frust-wasm-experiment-wavesim'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d411cd93c2aa6fa39ad926006cfd8e8e21f63077
[INFO] checking ErnWong/rust-wasm-experiment-wavesim against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FErnWong%2Frust-wasm-experiment-wavesim" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ErnWong/rust-wasm-experiment-wavesim on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ErnWong/rust-wasm-experiment-wavesim
[INFO] finished tweaking git repo https://github.com/ErnWong/rust-wasm-experiment-wavesim
[INFO] tweaked toml for git repo https://github.com/ErnWong/rust-wasm-experiment-wavesim written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/ErnWong/rust-wasm-experiment-wavesim already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5d96e91d036a064ba84105956a404b4af9693cdaf04e18f0e8ad263de8dc6535
[INFO] running `"docker" "start" "-a" "5d96e91d036a064ba84105956a404b4af9693cdaf04e18f0e8ad263de8dc6535"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rust-wasm-test-wavesim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:297:9
[INFO] [stderr]     |
[INFO] [stderr] 297 |     let mut solver = unsafe { &mut *solver_ptr };
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:311:9
[INFO] [stderr]     |
[INFO] [stderr] 311 |     let mut solver = unsafe { &mut *solver_ptr };
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:318:9
[INFO] [stderr]     |
[INFO] [stderr] 318 |     let mut solver = unsafe { &mut *solver_ptr };
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:297:9
[INFO] [stderr]     |
[INFO] [stderr] 297 |     let mut solver = unsafe { &mut *solver_ptr };
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:311:9
[INFO] [stderr]     |
[INFO] [stderr] 311 |     let mut solver = unsafe { &mut *solver_ptr };
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:318:9
[INFO] [stderr]     |
[INFO] [stderr] 318 |     let mut solver = unsafe { &mut *solver_ptr };
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `"docker" "inspect" "5d96e91d036a064ba84105956a404b4af9693cdaf04e18f0e8ad263de8dc6535"`
[INFO] running `"docker" "rm" "-f" "5d96e91d036a064ba84105956a404b4af9693cdaf04e18f0e8ad263de8dc6535"`
[INFO] [stdout] 5d96e91d036a064ba84105956a404b4af9693cdaf04e18f0e8ad263de8dc6535