[INFO] updating cached repository kirjavascript/wasm-string
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kirjavascript/wasm-string
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kirjavascript/wasm-string" "work/ex/beta-1.38-1/sources/1.37.0/gh/kirjavascript/wasm-string"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/kirjavascript/wasm-string'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kirjavascript/wasm-string" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kirjavascript/wasm-string"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kirjavascript/wasm-string'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e0b936631d7b74cef95f40b91246b609e7b11ce4
[INFO] sha for GitHub repo kirjavascript/wasm-string: e0b936631d7b74cef95f40b91246b609e7b11ce4
[INFO] validating manifest of kirjavascript/wasm-string 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 kirjavascript/wasm-string 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 kirjavascript/wasm-string
[INFO] finished frobbing kirjavascript/wasm-string
[INFO] frobbed toml for kirjavascript/wasm-string written to work/ex/beta-1.38-1/sources/1.37.0/gh/kirjavascript/wasm-string/Cargo.toml
[INFO] started frobbing kirjavascript/wasm-string
[INFO] finished frobbing kirjavascript/wasm-string
[INFO] frobbed toml for kirjavascript/wasm-string written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kirjavascript/wasm-string/Cargo.toml
[INFO] crate kirjavascript/wasm-string 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 kirjavascript/wasm-string 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kirjavascript/wasm-string:/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] 74d07f8e68aa91b0649b37f2ed8a3766b6ea038beb0f94d9505940e03eada09a
[INFO] running `"docker" "start" "-a" "74d07f8e68aa91b0649b37f2ed8a3766b6ea038beb0f94d9505940e03eada09a"`
[INFO] [stderr]    Compiling wasm-demo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `string`
[INFO] [stderr]   --> src/main.rs:76:20
[INFO] [stderr]    |
[INFO] [stderr] 76 | pub fn console_log(string: &str) {
[INFO] [stderr]    |                    ^^^^^^ help: consider prefixing with an underscore: `_string`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `console_log_stack`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn console_log_stack();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `"docker" "inspect" "74d07f8e68aa91b0649b37f2ed8a3766b6ea038beb0f94d9505940e03eada09a"`
[INFO] running `"docker" "rm" "-f" "74d07f8e68aa91b0649b37f2ed8a3766b6ea038beb0f94d9505940e03eada09a"`
[INFO] [stdout] 74d07f8e68aa91b0649b37f2ed8a3766b6ea038beb0f94d9505940e03eada09a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kirjavascript/wasm-string:/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] c3df5b805dc5e65c35f67637db8d3988e67e82b56e03d49e68ca93abcd775bbd
[INFO] running `"docker" "start" "-a" "c3df5b805dc5e65c35f67637db8d3988e67e82b56e03d49e68ca93abcd775bbd"`
[INFO] [stderr]    Compiling wasm-demo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `string`
[INFO] [stderr]   --> src/main.rs:76:20
[INFO] [stderr]    |
[INFO] [stderr] 76 | pub fn console_log(string: &str) {
[INFO] [stderr]    |                    ^^^^^^ help: consider prefixing with an underscore: `_string`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `console_log_stack`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn console_log_stack();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `"docker" "inspect" "c3df5b805dc5e65c35f67637db8d3988e67e82b56e03d49e68ca93abcd775bbd"`
[INFO] running `"docker" "rm" "-f" "c3df5b805dc5e65c35f67637db8d3988e67e82b56e03d49e68ca93abcd775bbd"`
[INFO] [stdout] c3df5b805dc5e65c35f67637db8d3988e67e82b56e03d49e68ca93abcd775bbd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kirjavascript/wasm-string:/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] c73be3201afffccb6760200a81726276cd1b1597b2dee5f7ef2bd2e389116b90
[INFO] running `"docker" "start" "-a" "c73be3201afffccb6760200a81726276cd1b1597b2dee5f7ef2bd2e389116b90"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/wasm_demo-33a3e8f82ea8c1e8
[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" "c73be3201afffccb6760200a81726276cd1b1597b2dee5f7ef2bd2e389116b90"`
[INFO] running `"docker" "rm" "-f" "c73be3201afffccb6760200a81726276cd1b1597b2dee5f7ef2bd2e389116b90"`
[INFO] [stdout] c73be3201afffccb6760200a81726276cd1b1597b2dee5f7ef2bd2e389116b90