[INFO] cloning repository swfsql/sonic-spin
[INFO] running `"git" "clone" "--bare" "git://github.com/swfsql/sonic-spin.git" "work/cache/sources/gh/swfsql/sonic-spin"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/swfsql/sonic-spin'...
[INFO] running `"git" "clone" "work/cache/sources/gh/swfsql/sonic-spin" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/swfsql/sonic-spin"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/swfsql/sonic-spin'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/swfsql/sonic-spin" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/swfsql/sonic-spin"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/swfsql/sonic-spin'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 25658fd48986e3fd9f1b3f29fc2d995b110ea182
[INFO] sha for GitHub repo swfsql/sonic-spin: 25658fd48986e3fd9f1b3f29fc2d995b110ea182
[INFO] validating manifest of swfsql/sonic-spin on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of swfsql/sonic-spin on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing swfsql/sonic-spin
[INFO] finished frobbing swfsql/sonic-spin
[INFO] frobbed toml for swfsql/sonic-spin written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/swfsql/sonic-spin/Cargo.toml
[INFO] started frobbing swfsql/sonic-spin
[INFO] finished frobbing swfsql/sonic-spin
[INFO] frobbed toml for swfsql/sonic-spin written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/swfsql/sonic-spin/Cargo.toml
[INFO] crate swfsql/sonic-spin already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn-pub-items v0.15.30
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking swfsql/sonic-spin against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-4/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/swfsql/sonic-spin:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 785b5e8e6d3e08cc27819d9dd2a21f84d2942e40ade9e132f6da4141cf80a1a7
[INFO] running `"docker" "start" "-a" "785b5e8e6d3e08cc27819d9dd2a21f84d2942e40ade9e132f6da4141cf80a1a7"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn-pub-items v0.15.30
[INFO] [stderr]     Checking quote v0.6.12
[INFO] [stderr]     Checking sonic_spin v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variant is never constructed: `Const`
[INFO] [stderr]    --> src/resyn/expr.rs:678:9
[INFO] [stderr]     |
[INFO] [stderr] 678 |         Const(Expr),
[INFO] [stderr]     |         ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Const`
[INFO] [stderr]    --> src/resyn/expr.rs:678:9
[INFO] [stderr]     |
[INFO] [stderr] 678 |         Const(Expr),
[INFO] [stderr]     |         ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Const`
[INFO] [stderr]    --> src/resyn/expr.rs:678:9
[INFO] [stderr]     |
[INFO] [stderr] 678 |         Const(Expr),
[INFO] [stderr]     |         ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `impl_trait_in_bindings` is incomplete and may cause the compiler to crash
[INFO] [stderr]  --> tests/async.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![feature(impl_trait_in_bindings)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `futures_api` has been stable since 1.36.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> tests/async.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | #![feature(futures_api)]
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.19s
[INFO] running `"docker" "inspect" "785b5e8e6d3e08cc27819d9dd2a21f84d2942e40ade9e132f6da4141cf80a1a7"`
[INFO] running `"docker" "rm" "-f" "785b5e8e6d3e08cc27819d9dd2a21f84d2942e40ade9e132f6da4141cf80a1a7"`
[INFO] [stdout] 785b5e8e6d3e08cc27819d9dd2a21f84d2942e40ade9e132f6da4141cf80a1a7