[INFO] fetching crate address-cmp 0.2.0...
[INFO] checking address-cmp-0.2.0 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate address-cmp 0.2.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate address-cmp 0.2.0 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate address-cmp 0.2.0
[INFO] finished tweaking crates.io crate address-cmp 0.2.0
[INFO] tweaked toml for crates.io crate address-cmp 0.2.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c794448201b7d226cfb36158f7982ce33c3b82e5410c9c530dec88364d1b4de3
[INFO] running `Command { std: "docker" "start" "-a" "c794448201b7d226cfb36158f7982ce33c3b82e5410c9c530dec88364d1b4de3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c794448201b7d226cfb36158f7982ce33c3b82e5410c9c530dec88364d1b4de3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c794448201b7d226cfb36158f7982ce33c3b82e5410c9c530dec88364d1b4de3", kill_on_drop: false }`
[INFO] [stdout] c794448201b7d226cfb36158f7982ce33c3b82e5410c9c530dec88364d1b4de3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2dd04eae6db45d2585156d7c11ec0cdd70d4d0f86323fc6b75d79c5c60bead3b
[INFO] running `Command { std: "docker" "start" "-a" "2dd04eae6db45d2585156d7c11ec0cdd70d4d0f86323fc6b75d79c5c60bead3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking address-cmp v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `a`
[INFO] [stdout]   --> tests/struct.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |         pub a: u8,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `a`
[INFO] [stdout]   --> tests/struct.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |         pub a: u8,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `a`
[INFO] [stdout]    --> tests/struct.rs:141:9
[INFO] [stdout]     |
[INFO] [stdout] 141 |         pub a: u8,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `a`
[INFO] [stdout]    --> tests/struct.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |         pub a: u8,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.71s
[INFO] running `Command { std: "docker" "inspect" "2dd04eae6db45d2585156d7c11ec0cdd70d4d0f86323fc6b75d79c5c60bead3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dd04eae6db45d2585156d7c11ec0cdd70d4d0f86323fc6b75d79c5c60bead3b", kill_on_drop: false }`
[INFO] [stdout] 2dd04eae6db45d2585156d7c11ec0cdd70d4d0f86323fc6b75d79c5c60bead3b