[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 beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 50bb986bfb4481922d57b4001b811ae24ea9e2dbba7681157e80438d65d1e814
[INFO] running `"docker" "start" "-a" "50bb986bfb4481922d57b4001b811ae24ea9e2dbba7681157e80438d65d1e814"`
[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 0.65s
[INFO] running `"docker" "inspect" "50bb986bfb4481922d57b4001b811ae24ea9e2dbba7681157e80438d65d1e814"`
[INFO] running `"docker" "rm" "-f" "50bb986bfb4481922d57b4001b811ae24ea9e2dbba7681157e80438d65d1e814"`
[INFO] [stdout] 50bb986bfb4481922d57b4001b811ae24ea9e2dbba7681157e80438d65d1e814
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 395df19ce07ffcd1892f9273134db5c2b6b4c8257c71b6f6e5d5aac8aeef353e
[INFO] running `"docker" "start" "-a" "395df19ce07ffcd1892f9273134db5c2b6b4c8257c71b6f6e5d5aac8aeef353e"`
[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 0.88s
[INFO] running `"docker" "inspect" "395df19ce07ffcd1892f9273134db5c2b6b4c8257c71b6f6e5d5aac8aeef353e"`
[INFO] running `"docker" "rm" "-f" "395df19ce07ffcd1892f9273134db5c2b6b4c8257c71b6f6e5d5aac8aeef353e"`
[INFO] [stdout] 395df19ce07ffcd1892f9273134db5c2b6b4c8257c71b6f6e5d5aac8aeef353e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 0b216fad54c04c006ab9dbe2c8a7283de916086436790199f22185dc619bc58d
[INFO] running `"docker" "start" "-a" "0b216fad54c04c006ab9dbe2c8a7283de916086436790199f22185dc619bc58d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_wasm_test_wavesim-33350405e31dcf35
[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" "0b216fad54c04c006ab9dbe2c8a7283de916086436790199f22185dc619bc58d"`
[INFO] running `"docker" "rm" "-f" "0b216fad54c04c006ab9dbe2c8a7283de916086436790199f22185dc619bc58d"`
[INFO] [stdout] 0b216fad54c04c006ab9dbe2c8a7283de916086436790199f22185dc619bc58d