[INFO] fetching crate supermodel-macros 0.1.0...
[INFO] checking supermodel-macros-0.1.0 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate supermodel-macros 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate supermodel-macros 0.1.0 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate supermodel-macros 0.1.0
[INFO] finished tweaking crates.io crate supermodel-macros 0.1.0
[INFO] tweaked toml for crates.io crate supermodel-macros 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5cf409b106ff966d6cbd915cc5ba00cf3847032c50bd01c33be40f5b39b1ff10
[INFO] running `Command { std: "docker" "start" "-a" "5cf409b106ff966d6cbd915cc5ba00cf3847032c50bd01c33be40f5b39b1ff10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cf409b106ff966d6cbd915cc5ba00cf3847032c50bd01c33be40f5b39b1ff10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cf409b106ff966d6cbd915cc5ba00cf3847032c50bd01c33be40f5b39b1ff10", kill_on_drop: false }`
[INFO] [stdout] 5cf409b106ff966d6cbd915cc5ba00cf3847032c50bd01c33be40f5b39b1ff10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e550fcb07d306111aa0bd7acbc91244eeaba5c3437f21f94e4f59bdc79f3a5d3
[INFO] running `Command { std: "docker" "start" "-a" "e550fcb07d306111aa0bd7acbc91244eeaba5c3437f21f94e4f59bdc79f3a5d3", kill_on_drop: false }`
[INFO] [stderr]     Checking case v1.0.0
[INFO] [stderr]     Checking syn v2.0.77
[INFO] [stderr]     Checking supermodel-macros v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `string` is never read
[INFO] [stdout]  --> src/string_tokens.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct StringTokens {
[INFO] [stdout]   |            ------------ field in this struct
[INFO] [stdout] 4 |     pub string: String,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `string` is never read
[INFO] [stdout]  --> src/string_tokens.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct StringTokens {
[INFO] [stdout]   |            ------------ field in this struct
[INFO] [stdout] 4 |     pub string: String,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.46s
[INFO] running `Command { std: "docker" "inspect" "e550fcb07d306111aa0bd7acbc91244eeaba5c3437f21f94e4f59bdc79f3a5d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e550fcb07d306111aa0bd7acbc91244eeaba5c3437f21f94e4f59bdc79f3a5d3", kill_on_drop: false }`
[INFO] [stdout] e550fcb07d306111aa0bd7acbc91244eeaba5c3437f21f94e4f59bdc79f3a5d3