[INFO] crate impl-trait-for-tuples 0.1.3 is already in cache
[INFO] checking impl-trait-for-tuples-0.1.3 against master#6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257 for pr-70872
[INFO] extracting crate impl-trait-for-tuples 0.1.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate impl-trait-for-tuples 0.1.3 on toolchain 6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "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-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "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] 573f2c36e1e279a9910a42e327f9d580e255a21ae864c0fdd72312a4809cb14e
[INFO] running `"docker" "start" "-a" "573f2c36e1e279a9910a42e327f9d580e255a21ae864c0fdd72312a4809cb14e"`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking impl-trait-for-tuples v0.1.3 (/opt/rustwide/workdir)
[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]    Compiling serde_derive v1.0.106
[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 serde v1.0.106
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking serde_json v1.0.51
[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: 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 55.40s
[INFO] running `"docker" "inspect" "573f2c36e1e279a9910a42e327f9d580e255a21ae864c0fdd72312a4809cb14e"`
[INFO] running `"docker" "rm" "-f" "573f2c36e1e279a9910a42e327f9d580e255a21ae864c0fdd72312a4809cb14e"`
[INFO] [stdout] 573f2c36e1e279a9910a42e327f9d580e255a21ae864c0fdd72312a4809cb14e