[INFO] fetching crate impl-trait-for-tuples 0.1.3...
[INFO] checking impl-trait-for-tuples-0.1.3 against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015
[INFO] extracting crate impl-trait-for-tuples 0.1.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate impl-trait-for-tuples 0.1.3 on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fdde848168281d14f1dc8cdc4f1ef60cc555a64ea5849d9173060f3669dda885
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fdde848168281d14f1dc8cdc4f1ef60cc555a64ea5849d9173060f3669dda885", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fdde848168281d14f1dc8cdc4f1ef60cc555a64ea5849d9173060f3669dda885", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdde848168281d14f1dc8cdc4f1ef60cc555a64ea5849d9173060f3669dda885", kill_on_drop: false }`
[INFO] [stdout] fdde848168281d14f1dc8cdc4f1ef60cc555a64ea5849d9173060f3669dda885
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3b96fe2731817ef97c048e4d677709b48424538ddd9743f887e092bf44428b98
[INFO] running `Command { std: "docker" "start" "-a" "3b96fe2731817ef97c048e4d677709b48424538ddd9743f887e092bf44428b98", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.58
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling trybuild v1.0.35
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking impl-trait-for-tuples v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Lifetime`
[INFO] [stdout]   --> src/semi_automatic.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Lifetime, Macro, Member, Result, Stmt, Type, WhereClause, WherePredicate,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stdout] warning: unused import: `Lifetime`
[INFO] [stdout]   --> src/semi_automatic.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Lifetime, Macro, Member, Result, Stmt, Type, WhereClause, WherePredicate,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde v1.0.116
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stdout] warning: unused import: `Lifetime`
[INFO] [stdout]   --> src/semi_automatic.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Lifetime, Macro, Member, Result, Stmt, Type, WhereClause, WherePredicate,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> tests/codegen.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     test::<(EmptyTraitImpl)>();
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> tests/codegen.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 |     test::<(EmptyTraitImpl)>();
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> tests/codegen.rs:198:12
[INFO] [stdout]     |
[INFO] [stdout] 198 |     test::<(Impl)>(&mut counter);
[INFO] [stdout]     |            ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> tests/codegen.rs:242:12
[INFO] [stdout]     |
[INFO] [stdout] 242 |     test::<(Impl)>(&mut counter);
[INFO] [stdout]     |            ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> tests/codegen.rs:289:22
[INFO] [stdout]     |
[INFO] [stdout] 289 |     let res = test::<(Impl)>(&mut counter);
[INFO] [stdout]     |                      ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> tests/codegen.rs:339:22
[INFO] [stdout]     |
[INFO] [stdout] 339 |     let res = test::<(Impl)>(&mut counter);
[INFO] [stdout]     |                      ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `Command { std: "docker" "inspect" "3b96fe2731817ef97c048e4d677709b48424538ddd9743f887e092bf44428b98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b96fe2731817ef97c048e4d677709b48424538ddd9743f887e092bf44428b98", kill_on_drop: false }`
[INFO] [stdout] 3b96fe2731817ef97c048e4d677709b48424538ddd9743f887e092bf44428b98