[INFO] updating cached repository tlively/wasm-multivalue-opt
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tlively/wasm-multivalue-opt
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tlively/wasm-multivalue-opt" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/tlively/wasm-multivalue-opt"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/tlively/wasm-multivalue-opt'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tlively/wasm-multivalue-opt" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/tlively/wasm-multivalue-opt"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/tlively/wasm-multivalue-opt'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d43a3b157a25662d43be37bac023042104f6450e
[INFO] sha for GitHub repo tlively/wasm-multivalue-opt: d43a3b157a25662d43be37bac023042104f6450e
[INFO] validating manifest of tlively/wasm-multivalue-opt on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tlively/wasm-multivalue-opt on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tlively/wasm-multivalue-opt
[INFO] finished frobbing tlively/wasm-multivalue-opt
[INFO] frobbed toml for tlively/wasm-multivalue-opt written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/tlively/wasm-multivalue-opt/Cargo.toml
[INFO] started frobbing tlively/wasm-multivalue-opt
[INFO] finished frobbing tlively/wasm-multivalue-opt
[INFO] frobbed toml for tlively/wasm-multivalue-opt written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/tlively/wasm-multivalue-opt/Cargo.toml
[INFO] crate tlively/wasm-multivalue-opt already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tlively/wasm-multivalue-opt against try#18481b65f318e0b4b20c0fc61340054701719d6c for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-5/try#18481b65f318e0b4b20c0fc61340054701719d6c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/tlively/wasm-multivalue-opt:/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" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ca56be89365d63cbbef176b2d9c9c9e0475ee3431ae31fcc43bae8706c07151a
[INFO] running `"docker" "start" "-a" "ca56be89365d63cbbef176b2d9c9c9e0475ee3431ae31fcc43bae8706c07151a"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking abstract-interp v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `left`
[INFO] [stderr]    --> src/values.rs:223:13
[INFO] [stderr]     |
[INFO] [stderr] 223 |         let left = Instantiation {
[INFO] [stderr]     |             ^^^^ help: consider prefixing with an underscore: `_left`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `right`
[INFO] [stderr]    --> src/values.rs:236:13
[INFO] [stderr]     |
[INFO] [stderr] 236 |         let right = Instantiation {
[INFO] [stderr]     |             ^^^^^ help: consider prefixing with an underscore: `_right`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]    --> src/values.rs:249:13
[INFO] [stderr]     |
[INFO] [stderr] 249 |         let result = Instantiation {
[INFO] [stderr]     |             ^^^^^^ help: consider prefixing with an underscore: `_result`
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `type_alias_enum_variants` has been stable since 1.37.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     type_alias_enum_variants,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `type_alias_enum_variants` has been stable since 1.37.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     type_alias_enum_variants,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.20s
[INFO] running `"docker" "inspect" "ca56be89365d63cbbef176b2d9c9c9e0475ee3431ae31fcc43bae8706c07151a"`
[INFO] running `"docker" "rm" "-f" "ca56be89365d63cbbef176b2d9c9c9e0475ee3431ae31fcc43bae8706c07151a"`
[INFO] [stdout] ca56be89365d63cbbef176b2d9c9c9e0475ee3431ae31fcc43bae8706c07151a