[INFO] fetching crate ansi_rgb 0.3.2-alpha...
[INFO] checking ansi_rgb-0.3.2-alpha against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate ansi_rgb 0.3.2-alpha into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate ansi_rgb 0.3.2-alpha
[INFO] finished tweaking crates.io crate ansi_rgb 0.3.2-alpha
[INFO] tweaked toml for crates.io crate ansi_rgb 0.3.2-alpha written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ansi_rgb 0.3.2-alpha on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c98d9e0a22992bdfab1d725b32636202e85c7628b874f2b18ec71d3a4ba9d88
[INFO] running `Command { std: "docker" "start" "-a" "6c98d9e0a22992bdfab1d725b32636202e85c7628b874f2b18ec71d3a4ba9d88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c98d9e0a22992bdfab1d725b32636202e85c7628b874f2b18ec71d3a4ba9d88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c98d9e0a22992bdfab1d725b32636202e85c7628b874f2b18ec71d3a4ba9d88", kill_on_drop: false }`
[INFO] [stdout] 6c98d9e0a22992bdfab1d725b32636202e85c7628b874f2b18ec71d3a4ba9d88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 213900538b83cb6955bf3c7662cc296c01dfc5174398c824f69b88d8c89858dc
[INFO] running `Command { std: "docker" "start" "-a" "213900538b83cb6955bf3c7662cc296c01dfc5174398c824f69b88d8c89858dc", kill_on_drop: false }`
[INFO] [stderr]     Checking rgb v0.8.50
[INFO] [stderr]     Checking ansi_rgb v0.3.2-alpha (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> tests/tests.rs:48:16
[INFO] [stdout]    |
[INFO] [stdout] 48 |     struct Foo(i32, i32);
[INFO] [stdout]    |            --- ^^^  ^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout]    = note: `Foo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "213900538b83cb6955bf3c7662cc296c01dfc5174398c824f69b88d8c89858dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "213900538b83cb6955bf3c7662cc296c01dfc5174398c824f69b88d8c89858dc", kill_on_drop: false }`
[INFO] [stdout] 213900538b83cb6955bf3c7662cc296c01dfc5174398c824f69b88d8c89858dc