[INFO] cloning repository https://github.com/0qln/variant_struct
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0qln/variant_struct" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0qln%2Fvariant_struct", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0qln%2Fvariant_struct'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7aa520a2c60317469291ae36899c36b4e5a7270a
[INFO] checking 0qln/variant_struct against master#c8551d3c63c51f290cf1dc9dc4714249ea849fd1 for pr-148946
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0qln%2Fvariant_struct" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/0qln/variant_struct
[INFO] finished tweaking git repo https://github.com/0qln/variant_struct
[INFO] tweaked toml for git repo https://github.com/0qln/variant_struct written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0qln/variant_struct on toolchain c8551d3c63c51f290cf1dc9dc4714249ea849fd1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/0qln/variant_struct already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded darling v0.21.3
[INFO] [stderr]   Downloaded darling_macro v0.21.3
[INFO] [stderr]   Downloaded darling_core v0.21.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67e66b5cee4732eb4c9603eb2ea941d121df3e6051c3dd89bea00c08898d9de5
[INFO] running `Command { std: "docker" "start" "-a" "67e66b5cee4732eb4c9603eb2ea941d121df3e6051c3dd89bea00c08898d9de5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67e66b5cee4732eb4c9603eb2ea941d121df3e6051c3dd89bea00c08898d9de5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67e66b5cee4732eb4c9603eb2ea941d121df3e6051c3dd89bea00c08898d9de5", kill_on_drop: false }`
[INFO] [stdout] 67e66b5cee4732eb4c9603eb2ea941d121df3e6051c3dd89bea00c08898d9de5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92b9c25911950b55349d3e2ae094049cb2a16f72082e7161f51b439622f39ef2
[INFO] running `Command { std: "docker" "start" "-a" "92b9c25911950b55349d3e2ae094049cb2a16f72082e7161f51b439622f39ef2", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.19
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking ident_case v1.0.1
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking proc-macro2 v1.0.101
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]    Compiling darling_core v0.21.3
[INFO] [stderr]    Compiling darling_macro v0.21.3
[INFO] [stderr]     Checking darling v0.21.3
[INFO] [stderr]     Checking variant_struct v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]  --> src/lib.rs:6:30
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn derive_variant_struct(item: TokenStream) -> TokenStream {
[INFO] [stdout]   |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]  --> src/lib.rs:6:30
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn derive_variant_struct(item: TokenStream) -> TokenStream {
[INFO] [stdout]   |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.51s
[INFO] running `Command { std: "docker" "inspect" "92b9c25911950b55349d3e2ae094049cb2a16f72082e7161f51b439622f39ef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92b9c25911950b55349d3e2ae094049cb2a16f72082e7161f51b439622f39ef2", kill_on_drop: false }`
[INFO] [stdout] 92b9c25911950b55349d3e2ae094049cb2a16f72082e7161f51b439622f39ef2
