[INFO] fetching crate my_proc_macro 0.1.0...
[INFO] checking my_proc_macro-0.1.0 against master#e43d139a82620a268d3828a73e12a8679339e8f8 for pr-143545
[INFO] extracting crate my_proc_macro 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate my_proc_macro 0.1.0
[INFO] finished tweaking crates.io crate my_proc_macro 0.1.0
[INFO] tweaked toml for crates.io crate my_proc_macro 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate my_proc_macro 0.1.0 on toolchain e43d139a82620a268d3828a73e12a8679339e8f8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e43d139a82620a268d3828a73e12a8679339e8f8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e43d139a82620a268d3828a73e12a8679339e8f8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e43d139a82620a268d3828a73e12a8679339e8f8" "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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+e43d139a82620a268d3828a73e12a8679339e8f8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46f35e9072b8c49d93113b9f3770d46229b41d31046644b5666822ecabe39a92
[INFO] running `Command { std: "docker" "start" "-a" "46f35e9072b8c49d93113b9f3770d46229b41d31046644b5666822ecabe39a92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46f35e9072b8c49d93113b9f3770d46229b41d31046644b5666822ecabe39a92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46f35e9072b8c49d93113b9f3770d46229b41d31046644b5666822ecabe39a92", kill_on_drop: false }`
[INFO] [stdout] 46f35e9072b8c49d93113b9f3770d46229b41d31046644b5666822ecabe39a92
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+e43d139a82620a268d3828a73e12a8679339e8f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 462b738ce9f7bb6f49c7f5ff8ee317fc98387a64c0b63b99bde3f6a3ce5918ac
[INFO] running `Command { std: "docker" "start" "-a" "462b738ce9f7bb6f49c7f5ff8ee317fc98387a64c0b63b99bde3f6a3ce5918ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking syn v2.0.104
[INFO] [stderr]     Checking my_proc_macro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `DeriveInput`
[INFO] [stdout]  --> src/lib.rs:6:30
[INFO] [stdout]   |
[INFO] [stdout] 6 | use syn::{parse_macro_input, DeriveInput, ItemFn};
[INFO] [stdout]   |                              ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DeriveInput`
[INFO] [stdout]  --> src/lib.rs:6:30
[INFO] [stdout]   |
[INFO] [stdout] 6 | use syn::{parse_macro_input, DeriveInput, ItemFn};
[INFO] [stdout]   |                              ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.33s
[INFO] running `Command { std: "docker" "inspect" "462b738ce9f7bb6f49c7f5ff8ee317fc98387a64c0b63b99bde3f6a3ce5918ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "462b738ce9f7bb6f49c7f5ff8ee317fc98387a64c0b63b99bde3f6a3ce5918ac", kill_on_drop: false }`
[INFO] [stdout] 462b738ce9f7bb6f49c7f5ff8ee317fc98387a64c0b63b99bde3f6a3ce5918ac