[INFO] updating cached repository sendilkumarn/simple-wasm-tutorial
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sendilkumarn/simple-wasm-tutorial
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sendilkumarn/simple-wasm-tutorial" "work/ex/beta-1.38-1/sources/1.37.0/gh/sendilkumarn/simple-wasm-tutorial"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/sendilkumarn/simple-wasm-tutorial'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sendilkumarn/simple-wasm-tutorial" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sendilkumarn/simple-wasm-tutorial"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sendilkumarn/simple-wasm-tutorial'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a4e7f9289f59b99395fe16e5f265734cca004c5e
[INFO] sha for GitHub repo sendilkumarn/simple-wasm-tutorial: a4e7f9289f59b99395fe16e5f265734cca004c5e
[INFO] validating manifest of sendilkumarn/simple-wasm-tutorial on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sendilkumarn/simple-wasm-tutorial on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sendilkumarn/simple-wasm-tutorial
[INFO] finished frobbing sendilkumarn/simple-wasm-tutorial
[INFO] frobbed toml for sendilkumarn/simple-wasm-tutorial written to work/ex/beta-1.38-1/sources/1.37.0/gh/sendilkumarn/simple-wasm-tutorial/Cargo.toml
[INFO] started frobbing sendilkumarn/simple-wasm-tutorial
[INFO] finished frobbing sendilkumarn/simple-wasm-tutorial
[INFO] frobbed toml for sendilkumarn/simple-wasm-tutorial written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sendilkumarn/simple-wasm-tutorial/Cargo.toml
[INFO] crate sendilkumarn/simple-wasm-tutorial already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing sendilkumarn/simple-wasm-tutorial against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/sendilkumarn/simple-wasm-tutorial:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 208376cbae95ffa7acd6e9573070e42632dac92642347c0186496f7cd4eaf539
[INFO] running `"docker" "start" "-a" "208376cbae95ffa7acd6e9573070e42632dac92642347c0186496f7cd4eaf539"`
[INFO] [stderr]    Compiling tutorial v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `temp` is never read
[INFO] [stderr]   --> src/main.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let mut temp: f64 = 0.0;
[INFO] [stderr]    |             ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `"docker" "inspect" "208376cbae95ffa7acd6e9573070e42632dac92642347c0186496f7cd4eaf539"`
[INFO] running `"docker" "rm" "-f" "208376cbae95ffa7acd6e9573070e42632dac92642347c0186496f7cd4eaf539"`
[INFO] [stdout] 208376cbae95ffa7acd6e9573070e42632dac92642347c0186496f7cd4eaf539
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/sendilkumarn/simple-wasm-tutorial:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8686a77d24bb579e14ef6d3cfd612627b1c9180039280cecc8b00a0b0e716237
[INFO] running `"docker" "start" "-a" "8686a77d24bb579e14ef6d3cfd612627b1c9180039280cecc8b00a0b0e716237"`
[INFO] [stderr]    Compiling tutorial v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `temp` is never read
[INFO] [stderr]   --> src/main.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let mut temp: f64 = 0.0;
[INFO] [stderr]    |             ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `"docker" "inspect" "8686a77d24bb579e14ef6d3cfd612627b1c9180039280cecc8b00a0b0e716237"`
[INFO] running `"docker" "rm" "-f" "8686a77d24bb579e14ef6d3cfd612627b1c9180039280cecc8b00a0b0e716237"`
[INFO] [stdout] 8686a77d24bb579e14ef6d3cfd612627b1c9180039280cecc8b00a0b0e716237
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/sendilkumarn/simple-wasm-tutorial:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] febdc38a081e00cf681112446e9784e9e8d8b846b2db3e621f1f93eb1c37ef9c
[INFO] running `"docker" "start" "-a" "febdc38a081e00cf681112446e9784e9e8d8b846b2db3e621f1f93eb1c37ef9c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tutorial-0cf4eb6425c508a9
[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" "febdc38a081e00cf681112446e9784e9e8d8b846b2db3e621f1f93eb1c37ef9c"`
[INFO] running `"docker" "rm" "-f" "febdc38a081e00cf681112446e9784e9e8d8b846b2db3e621f1f93eb1c37ef9c"`
[INFO] [stdout] febdc38a081e00cf681112446e9784e9e8d8b846b2db3e621f1f93eb1c37ef9c