[INFO] updating cached repository ErnWong/rust-wasm-experiment-wavesim
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ErnWong/rust-wasm-experiment-wavesim
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ErnWong/rust-wasm-experiment-wavesim" "work/ex/beta-1.37-6/sources/1.36.0/gh/ErnWong/rust-wasm-experiment-wavesim"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/ErnWong/rust-wasm-experiment-wavesim'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ErnWong/rust-wasm-experiment-wavesim" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ErnWong/rust-wasm-experiment-wavesim"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ErnWong/rust-wasm-experiment-wavesim'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d411cd93c2aa6fa39ad926006cfd8e8e21f63077
[INFO] sha for GitHub repo ErnWong/rust-wasm-experiment-wavesim: d411cd93c2aa6fa39ad926006cfd8e8e21f63077
[INFO] validating manifest of ErnWong/rust-wasm-experiment-wavesim on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ErnWong/rust-wasm-experiment-wavesim on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ErnWong/rust-wasm-experiment-wavesim
[INFO] finished frobbing ErnWong/rust-wasm-experiment-wavesim
[INFO] frobbed toml for ErnWong/rust-wasm-experiment-wavesim written to work/ex/beta-1.37-6/sources/1.36.0/gh/ErnWong/rust-wasm-experiment-wavesim/Cargo.toml
[INFO] started frobbing ErnWong/rust-wasm-experiment-wavesim
[INFO] finished frobbing ErnWong/rust-wasm-experiment-wavesim
[INFO] frobbed toml for ErnWong/rust-wasm-experiment-wavesim written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ErnWong/rust-wasm-experiment-wavesim/Cargo.toml
[INFO] crate ErnWong/rust-wasm-experiment-wavesim already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ErnWong/rust-wasm-experiment-wavesim against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/ErnWong/rust-wasm-experiment-wavesim:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 3be6885ac5ed705f5fc4673c45ded81877a9819bde2f57e8bfce12db8738253b
[INFO] running `"docker" "start" "-a" "3be6885ac5ed705f5fc4673c45ded81877a9819bde2f57e8bfce12db8738253b"`
[INFO] [stderr]    Compiling rust-wasm-test-wavesim v0.1.0 (/opt/crater/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]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "3be6885ac5ed705f5fc4673c45ded81877a9819bde2f57e8bfce12db8738253b"`
[INFO] running `"docker" "rm" "-f" "3be6885ac5ed705f5fc4673c45ded81877a9819bde2f57e8bfce12db8738253b"`
[INFO] [stdout] 3be6885ac5ed705f5fc4673c45ded81877a9819bde2f57e8bfce12db8738253b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/ErnWong/rust-wasm-experiment-wavesim:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] e5b7ff4878aa445d979315a485347e8ebda728c6bac20de217e3839da0b275e7
[INFO] running `"docker" "start" "-a" "e5b7ff4878aa445d979315a485347e8ebda728c6bac20de217e3839da0b275e7"`
[INFO] [stderr]    Compiling rust-wasm-test-wavesim v0.1.0 (/opt/crater/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]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "e5b7ff4878aa445d979315a485347e8ebda728c6bac20de217e3839da0b275e7"`
[INFO] running `"docker" "rm" "-f" "e5b7ff4878aa445d979315a485347e8ebda728c6bac20de217e3839da0b275e7"`
[INFO] [stdout] e5b7ff4878aa445d979315a485347e8ebda728c6bac20de217e3839da0b275e7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/ErnWong/rust-wasm-experiment-wavesim:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] e3cdfc6c5e36d67e7b86b1b596e1849ac0d55a17420229258cf83051c82d91d3
[INFO] running `"docker" "start" "-a" "e3cdfc6c5e36d67e7b86b1b596e1849ac0d55a17420229258cf83051c82d91d3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_wasm_test_wavesim-da637a1d88ec04c5
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e3cdfc6c5e36d67e7b86b1b596e1849ac0d55a17420229258cf83051c82d91d3"`
[INFO] running `"docker" "rm" "-f" "e3cdfc6c5e36d67e7b86b1b596e1849ac0d55a17420229258cf83051c82d91d3"`
[INFO] [stdout] e3cdfc6c5e36d67e7b86b1b596e1849ac0d55a17420229258cf83051c82d91d3