[INFO] fetching crate serde-gff 0.3.0...
[INFO] checking serde-gff-0.3.0 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate serde-gff 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate serde-gff 0.3.0 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde-gff 0.3.0
[INFO] finished tweaking crates.io crate serde-gff 0.3.0
[INFO] tweaked toml for crates.io crate serde-gff 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77e95fbda6fef7520c08660a2c05c861a2a1d9a0d2d30434114f0925222c547b
[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" "77e95fbda6fef7520c08660a2c05c861a2a1d9a0d2d30434114f0925222c547b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77e95fbda6fef7520c08660a2c05c861a2a1d9a0d2d30434114f0925222c547b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77e95fbda6fef7520c08660a2c05c861a2a1d9a0d2d30434114f0925222c547b", kill_on_drop: false }`
[INFO] [stdout] 77e95fbda6fef7520c08660a2c05c861a2a1d9a0d2d30434114f0925222c547b
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 084d383d9e9f1319e2637c023b7fdd2ae9c64254d26c1da1d073474e4a5d4dfd
[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" "084d383d9e9f1319e2637c023b7fdd2ae9c64254d26c1da1d073474e4a5d4dfd", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking serde v1.0.124
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking serde-gff v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> src/ser/mod.rs:1523:49
[INFO] [stdout]      |
[INFO] [stdout] 1523 |       struct Struct { field1: u32, field2: f32 };
[INFO] [stdout]      |                                                 ^ help: remove this semicolon
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> src/ser/mod.rs:1614:36
[INFO] [stdout]      |
[INFO] [stdout] 1614 |       struct Item1 { payload: u32 };
[INFO] [stdout]      |                                    ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> src/ser/mod.rs:1616:34
[INFO] [stdout]      |
[INFO] [stdout] 1616 |       struct Item2 { value: u64 };
[INFO] [stdout]      |                                  ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> src/ser/mod.rs:1636:49
[INFO] [stdout]      |
[INFO] [stdout] 1636 |       struct Struct { field1: u32, field2: f32 };
[INFO] [stdout]      |                                                 ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> src/ser/mod.rs:1647:8
[INFO] [stdout]      |
[INFO] [stdout] 1647 |       };
[INFO] [stdout]      |        ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> src/ser/mod.rs:1310:36
[INFO] [stdout]      |
[INFO] [stdout] 1310 |         struct Value { value: u32 };
[INFO] [stdout]      |                                    ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 1758 |     enum_tests!(toplevel);
[INFO] [stdout]      |     ---------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> src/ser/mod.rs:1940:49
[INFO] [stdout]      |
[INFO] [stdout] 1940 |       struct Struct { field1: u32, field2: f32 };
[INFO] [stdout]      |                                                 ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> src/ser/mod.rs:2022:36
[INFO] [stdout]      |
[INFO] [stdout] 2022 |       struct Item1 { payload: u32 };
[INFO] [stdout]      |                                    ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> src/ser/mod.rs:2024:34
[INFO] [stdout]      |
[INFO] [stdout] 2024 |       struct Item2 { value: u64 };
[INFO] [stdout]      |                                  ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> src/ser/mod.rs:2044:49
[INFO] [stdout]      |
[INFO] [stdout] 2044 |       struct Struct { field1: u32, field2: f32 };
[INFO] [stdout]      |                                                 ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> src/ser/mod.rs:1310:36
[INFO] [stdout]      |
[INFO] [stdout] 1310 |         struct Value { value: u32 };
[INFO] [stdout]      |                                    ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 2315 |     enum_tests!(as_field);
[INFO] [stdout]      |     ---------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.64s
[INFO] running `Command { std: "docker" "inspect" "084d383d9e9f1319e2637c023b7fdd2ae9c64254d26c1da1d073474e4a5d4dfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "084d383d9e9f1319e2637c023b7fdd2ae9c64254d26c1da1d073474e4a5d4dfd", kill_on_drop: false }`
[INFO] [stdout] 084d383d9e9f1319e2637c023b7fdd2ae9c64254d26c1da1d073474e4a5d4dfd