[INFO] fetching crate vtable-macro 0.2.0...
[INFO] checking vtable-macro-0.2.0 against try#de0e80659cee4f27282e60d63bbb8c5271a0d147 for pr-129392
[INFO] extracting crate vtable-macro 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate vtable-macro 0.2.0 on toolchain de0e80659cee4f27282e60d63bbb8c5271a0d147
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vtable-macro 0.2.0
[INFO] finished tweaking crates.io crate vtable-macro 0.2.0
[INFO] tweaked toml for crates.io crate vtable-macro 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 763c2832241721a718a221e4db5cf4c300c51c6ceb464ad63bb20d5c5feabf17
[INFO] running `Command { std: "docker" "start" "-a" "763c2832241721a718a221e4db5cf4c300c51c6ceb464ad63bb20d5c5feabf17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "763c2832241721a718a221e4db5cf4c300c51c6ceb464ad63bb20d5c5feabf17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "763c2832241721a718a221e4db5cf4c300c51c6ceb464ad63bb20d5c5feabf17", kill_on_drop: false }`
[INFO] [stdout] 763c2832241721a718a221e4db5cf4c300c51c6ceb464ad63bb20d5c5feabf17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da7b4ea14b4230c6e83b0e9051dd358dc4d98d2ead12d07fc50b69f9965734f4
[INFO] running `Command { std: "docker" "start" "-a" "da7b4ea14b4230c6e83b0e9051dd358dc4d98d2ead12d07fc50b69f9965734f4", kill_on_drop: false }`
[INFO] [stderr]     Checking syn v2.0.77
[INFO] [stderr]     Checking vtable-macro v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `SelfInfo` is never constructed
[INFO] [stdout]    --> macro.rs:288:20
[INFO] [stdout]     |
[INFO] [stdout] 288 |             struct SelfInfo {}
[INFO] [stdout]     |                    ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SelfInfo` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SelfInfo` is never constructed
[INFO] [stdout]    --> macro.rs:288:20
[INFO] [stdout]     |
[INFO] [stdout] 288 |             struct SelfInfo {}
[INFO] [stdout]     |                    ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SelfInfo` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.94s
[INFO] running `Command { std: "docker" "inspect" "da7b4ea14b4230c6e83b0e9051dd358dc4d98d2ead12d07fc50b69f9965734f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da7b4ea14b4230c6e83b0e9051dd358dc4d98d2ead12d07fc50b69f9965734f4", kill_on_drop: false }`
[INFO] [stdout] da7b4ea14b4230c6e83b0e9051dd358dc4d98d2ead12d07fc50b69f9965734f4