[INFO] cloning repository https://github.com/PandaManPMC/proc_macro_demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PandaManPMC/proc_macro_demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPandaManPMC%2Fproc_macro_demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPandaManPMC%2Fproc_macro_demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dead9813f6061ed11fd3157e41e55f93dadd0661
[INFO] checking PandaManPMC/proc_macro_demo/dead9813f6061ed11fd3157e41e55f93dadd0661 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPandaManPMC%2Fproc_macro_demo" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PandaManPMC/proc_macro_demo on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PandaManPMC/proc_macro_demo
[INFO] finished tweaking git repo https://github.com/PandaManPMC/proc_macro_demo
[INFO] tweaked toml for git repo https://github.com/PandaManPMC/proc_macro_demo written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/PandaManPMC/proc_macro_demo 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e890066935680232c65796d78cb9ba4b5e3a137667fa0812824cad32845a6225
[INFO] running `Command { std: "docker" "start" "-a" "e890066935680232c65796d78cb9ba4b5e3a137667fa0812824cad32845a6225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e890066935680232c65796d78cb9ba4b5e3a137667fa0812824cad32845a6225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e890066935680232c65796d78cb9ba4b5e3a137667fa0812824cad32845a6225", kill_on_drop: false }`
[INFO] [stdout] e890066935680232c65796d78cb9ba4b5e3a137667fa0812824cad32845a6225
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dtail_expr_drop_order" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 945d9d7c86da23a1905ca2a82a622c1f859c9f38d875c3b853c3dde9e6f88072
[INFO] running `Command { std: "docker" "start" "-a" "945d9d7c86da23a1905ca2a82a622c1f859c9f38d875c3b853c3dde9e6f88072", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling my_proc_macro_derive v0.1.0 (/opt/rustwide/workdir/my_proc_macro_derive)
[INFO] [stderr]     Checking proc_macro_demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `name` and `age` are never read
[INFO] [stdout]   --> src/main.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | struct Person{
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 9  |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 10 |     age: i32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `age` are never read
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Animal{
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 15 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 16 |     age: i32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `age` are never read
[INFO] [stdout]   --> src/main.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | struct Person{
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 9  |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 10 |     age: i32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `age` are never read
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Animal{
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 15 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 16 |     age: i32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.99s
[INFO] running `Command { std: "docker" "inspect" "945d9d7c86da23a1905ca2a82a622c1f859c9f38d875c3b853c3dde9e6f88072", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "945d9d7c86da23a1905ca2a82a622c1f859c9f38d875c3b853c3dde9e6f88072", kill_on_drop: false }`
[INFO] [stdout] 945d9d7c86da23a1905ca2a82a622c1f859c9f38d875c3b853c3dde9e6f88072