[INFO] crate impl-trait-for-tuples 0.1.3 is already in cache
[INFO] checking impl-trait-for-tuples-0.1.3 against try#3ae4c050387df9f7fbb379ee90ce8bf05e566870 for pr-70872
[INFO] extracting crate impl-trait-for-tuples 0.1.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate impl-trait-for-tuples 0.1.3 on toolchain 3ae4c050387df9f7fbb379ee90ce8bf05e566870
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate impl-trait-for-tuples 0.1.3
[INFO] finished tweaking crates.io crate impl-trait-for-tuples 0.1.3
[INFO] tweaked toml for crates.io crate impl-trait-for-tuples 0.1.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e6b2c7b765dba4e977d8e995b863a848f7e2f5e12fdaab2c6bdf2baf598306fe
[INFO] running `"docker" "start" "-a" "e6b2c7b765dba4e977d8e995b863a848f7e2f5e12fdaab2c6bdf2baf598306fe"`
[INFO] [stderr]     Checking syn v1.0.17
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr] warning: unused import: `Lifetime`
[INFO] [stderr]   --> src/semi_automatic.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Lifetime, Macro, Member, Result, Stmt, Type, WhereClause, WherePredicate,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Checking trybuild v1.0.24
[INFO] [stderr] warning: unused import: `Lifetime`
[INFO] [stderr]   --> src/semi_automatic.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Lifetime, Macro, Member, Result, Stmt, Type, WhereClause, WherePredicate,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Lifetime`
[INFO] [stderr]   --> src/semi_automatic.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Lifetime, Macro, Member, Result, Stmt, Type, WhereClause, WherePredicate,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> tests/codegen.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 |     test::<(EmptyTraitImpl)>();
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> tests/codegen.rs:79:12
[INFO] [stderr]    |
[INFO] [stderr] 79 |     test::<(EmptyTraitImpl)>();
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> tests/codegen.rs:198:12
[INFO] [stderr]     |
[INFO] [stderr] 198 |     test::<(Impl)>(&mut counter);
[INFO] [stderr]     |            ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> tests/codegen.rs:242:12
[INFO] [stderr]     |
[INFO] [stderr] 242 |     test::<(Impl)>(&mut counter);
[INFO] [stderr]     |            ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> tests/codegen.rs:289:22
[INFO] [stderr]     |
[INFO] [stderr] 289 |     let res = test::<(Impl)>(&mut counter);
[INFO] [stderr]     |                      ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> tests/codegen.rs:339:22
[INFO] [stderr]     |
[INFO] [stderr] 339 |     let res = test::<(Impl)>(&mut counter);
[INFO] [stderr]     |                      ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.33s
[INFO] running `"docker" "inspect" "e6b2c7b765dba4e977d8e995b863a848f7e2f5e12fdaab2c6bdf2baf598306fe"`
[INFO] running `"docker" "rm" "-f" "e6b2c7b765dba4e977d8e995b863a848f7e2f5e12fdaab2c6bdf2baf598306fe"`
[INFO] [stdout] e6b2c7b765dba4e977d8e995b863a848f7e2f5e12fdaab2c6bdf2baf598306fe