[INFO] updating cached repository kRITZCREEK/wasm_exp
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kRITZCREEK/wasm_exp
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kRITZCREEK/wasm_exp" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/kRITZCREEK/wasm_exp"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/kRITZCREEK/wasm_exp'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kRITZCREEK/wasm_exp" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/kRITZCREEK/wasm_exp"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/kRITZCREEK/wasm_exp'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4cb16620fd11983aba7fc2c8aa812a929c5c7e61
[INFO] sha for GitHub repo kRITZCREEK/wasm_exp: 4cb16620fd11983aba7fc2c8aa812a929c5c7e61
[INFO] validating manifest of kRITZCREEK/wasm_exp on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of kRITZCREEK/wasm_exp on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing kRITZCREEK/wasm_exp
[INFO] finished frobbing kRITZCREEK/wasm_exp
[INFO] frobbed toml for kRITZCREEK/wasm_exp written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/kRITZCREEK/wasm_exp/Cargo.toml
[INFO] started frobbing kRITZCREEK/wasm_exp
[INFO] finished frobbing kRITZCREEK/wasm_exp
[INFO] frobbed toml for kRITZCREEK/wasm_exp written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/kRITZCREEK/wasm_exp/Cargo.toml
[INFO] crate kRITZCREEK/wasm_exp already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking kRITZCREEK/wasm_exp against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-7/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/kRITZCREEK/wasm_exp:/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=forbid" "-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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b91cd1c45247ba21eb79412d1f6fdc2870b1cc160181fe2939b4854e52edede8
[INFO] running `"docker" "start" "-a" "b91cd1c45247ba21eb79412d1f6fdc2870b1cc160181fe2939b4854e52edede8"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling syn v0.15.40
[INFO] [stderr]     Checking parity-wasm v0.39.0
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling wabt-sys v0.6.0
[INFO] [stderr]     Checking parity-wasm v0.31.3
[INFO] [stderr]     Checking wasmi-validation v0.1.0
[INFO] [stderr]     Checking wasmi v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.97
[INFO] [stderr]     Checking wabt v0.8.0
[INFO] [stderr]     Checking wasm_exp v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `wat_again`
[INFO] [stderr]   --> src/main.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let wat_again = wabt::wasm2wat(&wasm_binary).unwrap();
[INFO] [stderr]    |         ^^^^^^^^^ help: consider prefixing with an underscore: `_wat_again`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `wat_again`
[INFO] [stderr]   --> src/main.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let wat_again = wabt::wasm2wat(&wasm_binary).unwrap();
[INFO] [stderr]    |         ^^^^^^^^^ help: consider prefixing with an underscore: `_wat_again`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `"docker" "inspect" "b91cd1c45247ba21eb79412d1f6fdc2870b1cc160181fe2939b4854e52edede8"`
[INFO] running `"docker" "rm" "-f" "b91cd1c45247ba21eb79412d1f6fdc2870b1cc160181fe2939b4854e52edede8"`
[INFO] [stdout] b91cd1c45247ba21eb79412d1f6fdc2870b1cc160181fe2939b4854e52edede8