[INFO] fetching crate dremoc-macro 0.1.6...
[INFO] checking dremoc-macro-0.1.6 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate dremoc-macro 0.1.6 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate dremoc-macro 0.1.6
[INFO] finished tweaking crates.io crate dremoc-macro 0.1.6
[INFO] tweaked toml for crates.io crate dremoc-macro 0.1.6 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dremoc-macro 0.1.6 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6dc07925c70982146058817bb59a4dc5765b1bf1eb33909eac13971d83bfa24f
[INFO] running `Command { std: "docker" "start" "-a" "6dc07925c70982146058817bb59a4dc5765b1bf1eb33909eac13971d83bfa24f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6dc07925c70982146058817bb59a4dc5765b1bf1eb33909eac13971d83bfa24f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dc07925c70982146058817bb59a4dc5765b1bf1eb33909eac13971d83bfa24f", kill_on_drop: false }`
[INFO] [stdout] 6dc07925c70982146058817bb59a4dc5765b1bf1eb33909eac13971d83bfa24f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 402be69875f6a3ab31e3fbb043add58cc4234ee5f1736a5c3447eab8e3d5c27c
[INFO] running `Command { std: "docker" "start" "-a" "402be69875f6a3ab31e3fbb043add58cc4234ee5f1736a5c3447eab8e3d5c27c", kill_on_drop: false }`
[INFO] [stderr]     Checking heck v0.5.0
[INFO] [stderr]     Checking proc-macro2 v1.0.95
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking syn v2.0.104
[INFO] [stderr]     Checking dremoc-macro v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `send`
[INFO] [stdout]   --> src/utils.rs:41:37
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn trait_macro_attribute_tokens(send: bool) -> TokenStream2 {
[INFO] [stdout]    |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `send`
[INFO] [stdout]   --> src/utils.rs:41:37
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn trait_macro_attribute_tokens(send: bool) -> TokenStream2 {
[INFO] [stdout]    |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.86s
[INFO] running `Command { std: "docker" "inspect" "402be69875f6a3ab31e3fbb043add58cc4234ee5f1736a5c3447eab8e3d5c27c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "402be69875f6a3ab31e3fbb043add58cc4234ee5f1736a5c3447eab8e3d5c27c", kill_on_drop: false }`
[INFO] [stdout] 402be69875f6a3ab31e3fbb043add58cc4234ee5f1736a5c3447eab8e3d5c27c