[INFO] fetching crate multiconst_proc_macros 0.2.2...
[INFO] building multiconst_proc_macros-0.2.2 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate multiconst_proc_macros 0.2.2 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate multiconst_proc_macros 0.2.2 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate multiconst_proc_macros 0.2.2
[INFO] finished tweaking crates.io crate multiconst_proc_macros 0.2.2
[INFO] tweaked toml for crates.io crate multiconst_proc_macros 0.2.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.93)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53ff1dbc514d46cc4e4e4dc5fa550481a1581278c84543d7ce00fb2dcc43f67f
[INFO] running `Command { std: "docker" "start" "-a" "53ff1dbc514d46cc4e4e4dc5fa550481a1581278c84543d7ce00fb2dcc43f67f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53ff1dbc514d46cc4e4e4dc5fa550481a1581278c84543d7ce00fb2dcc43f67f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53ff1dbc514d46cc4e4e4dc5fa550481a1581278c84543d7ce00fb2dcc43f67f", kill_on_drop: false }`
[INFO] [stdout] 53ff1dbc514d46cc4e4e4dc5fa550481a1581278c84543d7ce00fb2dcc43f67f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97575dea557979c9e7887b60958438b97434613b4fda4a1b869f4fd39a10d9a4
[INFO] running `Command { std: "docker" "start" "-a" "97575dea557979c9e7887b60958438b97434613b4fda4a1b869f4fd39a10d9a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling multiconst_proc_macros v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `into_token_tree` is never used
[INFO] [stdout]    --> src/utils.rs:134:8
[INFO] [stdout]     |
[INFO] [stdout] 132 | pub(crate) trait TokenTreeExt: Sized {
[INFO] [stdout]     |                  ------------ method in this trait
[INFO] [stdout] 133 |     fn as_token_tree(&self) -> &TokenTree;
[INFO] [stdout] 134 |     fn into_token_tree(self) -> TokenTree;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "97575dea557979c9e7887b60958438b97434613b4fda4a1b869f4fd39a10d9a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97575dea557979c9e7887b60958438b97434613b4fda4a1b869f4fd39a10d9a4", kill_on_drop: false }`
[INFO] [stdout] 97575dea557979c9e7887b60958438b97434613b4fda4a1b869f4fd39a10d9a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 600cfc20917c72568393c79b71b9f7dfba0ccd4b02d667b8ee98b7f793cc2314
[INFO] running `Command { std: "docker" "start" "-a" "600cfc20917c72568393c79b71b9f7dfba0ccd4b02d667b8ee98b7f793cc2314", kill_on_drop: false }`
[INFO] [stderr]    Compiling multiconst_proc_macros v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `into_token_tree` is never used
[INFO] [stdout]    --> src/utils.rs:134:8
[INFO] [stdout]     |
[INFO] [stdout] 132 | pub(crate) trait TokenTreeExt: Sized {
[INFO] [stdout]     |                  ------------ method in this trait
[INFO] [stdout] 133 |     fn as_token_tree(&self) -> &TokenTree;
[INFO] [stdout] 134 |     fn into_token_tree(self) -> TokenTree;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `into_token_tree` is never used
[INFO] [stdout]    --> src/utils.rs:134:8
[INFO] [stdout]     |
[INFO] [stdout] 132 | pub(crate) trait TokenTreeExt: Sized {
[INFO] [stdout]     |                  ------------ method in this trait
[INFO] [stdout] 133 |     fn as_token_tree(&self) -> &TokenTree;
[INFO] [stdout] 134 |     fn into_token_tree(self) -> TokenTree;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "600cfc20917c72568393c79b71b9f7dfba0ccd4b02d667b8ee98b7f793cc2314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "600cfc20917c72568393c79b71b9f7dfba0ccd4b02d667b8ee98b7f793cc2314", kill_on_drop: false }`
[INFO] [stdout] 600cfc20917c72568393c79b71b9f7dfba0ccd4b02d667b8ee98b7f793cc2314