[INFO] fetching crate propfuzz-macro 0.0.1...
[INFO] checking propfuzz-macro-0.0.1 against master#b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd for pr-155500
[INFO] extracting crate propfuzz-macro 0.0.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate propfuzz-macro 0.0.1
[INFO] finished tweaking crates.io crate propfuzz-macro 0.0.1
[INFO] tweaked toml for crates.io crate propfuzz-macro 0.0.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate propfuzz-macro 0.0.1 on toolchain b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "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" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "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: v2.0.117)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b0385aea1d4727bbaa5b6bc1a296a5e44196a4180fe8a6ed8ea97dfe1dda313
[INFO] running `Command { std: "docker" "start" "-a" "3b0385aea1d4727bbaa5b6bc1a296a5e44196a4180fe8a6ed8ea97dfe1dda313", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b0385aea1d4727bbaa5b6bc1a296a5e44196a4180fe8a6ed8ea97dfe1dda313", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b0385aea1d4727bbaa5b6bc1a296a5e44196a4180fe8a6ed8ea97dfe1dda313", kill_on_drop: false }`
[INFO] [stdout] 3b0385aea1d4727bbaa5b6bc1a296a5e44196a4180fe8a6ed8ea97dfe1dda313
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d588ccc2cc592f75e41113c035e63df7a2d18786ffc9439f34f7f0f586fce15d
[INFO] running `Command { std: "docker" "start" "-a" "d588ccc2cc592f75e41113c035e63df7a2d18786ffc9439f34f7f0f586fce15d", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.24
[INFO] [stderr]     Checking proc-macro2 v1.0.106
[INFO] [stderr]     Checking quote v1.0.45
[INFO] [stderr]     Checking syn v1.0.109
[INFO] [stderr]     Checking propfuzz-macro v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `fuzz_default` is never read
[INFO] [stdout]    --> src/config.rs:153:5
[INFO] [stdout]     |
[INFO] [stdout] 151 | pub(crate) struct PropfuzzConfig {
[INFO] [stdout]     |                   -------------- field in this struct
[INFO] [stdout] 152 |     // fuzz_default is currently unused.
[INFO] [stdout] 153 |     fuzz_default: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PropfuzzConfig` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fuzz_default` is never read
[INFO] [stdout]    --> src/config.rs:153:5
[INFO] [stdout]     |
[INFO] [stdout] 151 | pub(crate) struct PropfuzzConfig {
[INFO] [stdout]     |                   -------------- field in this struct
[INFO] [stdout] 152 |     // fuzz_default is currently unused.
[INFO] [stdout] 153 |     fuzz_default: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PropfuzzConfig` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.14s
[INFO] running `Command { std: "docker" "inspect" "d588ccc2cc592f75e41113c035e63df7a2d18786ffc9439f34f7f0f586fce15d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d588ccc2cc592f75e41113c035e63df7a2d18786ffc9439f34f7f0f586fce15d", kill_on_drop: false }`
[INFO] [stdout] d588ccc2cc592f75e41113c035e63df7a2d18786ffc9439f34f7f0f586fce15d