[INFO] fetching crate act-zero-macro 0.2.1...
[INFO] checking act-zero-macro-0.2.1 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate act-zero-macro 0.2.1 into /workspace/builds/worker-5-tc2/source
[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-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate act-zero-macro 0.2.1 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] [stderr]       Adding heck v0.3.3 (available: v0.5.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d59e6118c43135c7ccbc719d8b6ac062ccb2aaaf9549c32e23e8251e57b06d9
[INFO] running `Command { std: "docker" "start" "-a" "0d59e6118c43135c7ccbc719d8b6ac062ccb2aaaf9549c32e23e8251e57b06d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d59e6118c43135c7ccbc719d8b6ac062ccb2aaaf9549c32e23e8251e57b06d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d59e6118c43135c7ccbc719d8b6ac062ccb2aaaf9549c32e23e8251e57b06d9", kill_on_drop: false }`
[INFO] [stdout] 0d59e6118c43135c7ccbc719d8b6ac062ccb2aaaf9549c32e23e8251e57b06d9
[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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7cad8af14c9c19a868036d5980b3f6b9e3bbdebfcc959090cd1f46db223bfa13
[INFO] running `Command { std: "docker" "start" "-a" "7cad8af14c9c19a868036d5980b3f6b9e3bbdebfcc959090cd1f46db223bfa13", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking unicode-segmentation v1.12.0
[INFO] [stderr]     Checking heck v0.3.3
[INFO] [stderr]     Checking quote v1.0.40
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.87s
[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] running `Command { std: "docker" "inspect" "7cad8af14c9c19a868036d5980b3f6b9e3bbdebfcc959090cd1f46db223bfa13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cad8af14c9c19a868036d5980b3f6b9e3bbdebfcc959090cd1f46db223bfa13", kill_on_drop: false }`
[INFO] [stdout] 7cad8af14c9c19a868036d5980b3f6b9e3bbdebfcc959090cd1f46db223bfa13