[INFO] fetching crate act-zero-macro 0.2.1...
[INFO] checking act-zero-macro-0.2.1 against try#0edd13c68435d50367c79cef43ac2768d2ec4f3d for pr-129422
[INFO] extracting crate act-zero-macro 0.2.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate act-zero-macro 0.2.1 on toolchain 0edd13c68435d50367c79cef43ac2768d2ec4f3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate act-zero-macro 0.2.1
[INFO] finished tweaking crates.io crate act-zero-macro 0.2.1
[INFO] tweaked toml for crates.io crate act-zero-macro 0.2.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] [stderr]       Adding heck v0.3.3 (latest: v0.5.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a218791ae9969b82c0e4fd1f80bcf14ae93b44717aa47333a63d0ba5b1466b4
[INFO] running `Command { std: "docker" "start" "-a" "1a218791ae9969b82c0e4fd1f80bcf14ae93b44717aa47333a63d0ba5b1466b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a218791ae9969b82c0e4fd1f80bcf14ae93b44717aa47333a63d0ba5b1466b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a218791ae9969b82c0e4fd1f80bcf14ae93b44717aa47333a63d0ba5b1466b4", kill_on_drop: false }`
[INFO] [stdout] 1a218791ae9969b82c0e4fd1f80bcf14ae93b44717aa47333a63d0ba5b1466b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e15a62308ae93e8e27e690293b20c6d5d4a5a177244e7f3515df4c97b35b1c8
[INFO] running `Command { std: "docker" "start" "-a" "0e15a62308ae93e8e27e690293b20c6d5d4a5a177244e7f3515df4c97b35b1c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking unicode-segmentation v1.11.0
[INFO] [stderr]     Checking heck v0.3.3
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking act-zero-macro v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `HasSelf` is never constructed
[INFO] [stdout]   --> src/receiver.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct HasSelf(bool);
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HasSelf` is never constructed
[INFO] [stdout]   --> src/receiver.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct HasSelf(bool);
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.71s
[INFO] running `Command { std: "docker" "inspect" "0e15a62308ae93e8e27e690293b20c6d5d4a5a177244e7f3515df4c97b35b1c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e15a62308ae93e8e27e690293b20c6d5d4a5a177244e7f3515df4c97b35b1c8", kill_on_drop: false }`
[INFO] [stdout] 0e15a62308ae93e8e27e690293b20c6d5d4a5a177244e7f3515df4c97b35b1c8