[INFO] fetching crate ansi_rgb 0.3.2-alpha...
[INFO] checking ansi_rgb-0.3.2-alpha against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate ansi_rgb 0.3.2-alpha into /workspace/builds/worker-2-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ansi_rgb 0.3.2-alpha on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c081b20b0f978fb62522ad1022845a9d3e2bda97b16144330c64e53a86b991cb
[INFO] running `Command { std: "docker" "start" "-a" "c081b20b0f978fb62522ad1022845a9d3e2bda97b16144330c64e53a86b991cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c081b20b0f978fb62522ad1022845a9d3e2bda97b16144330c64e53a86b991cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c081b20b0f978fb62522ad1022845a9d3e2bda97b16144330c64e53a86b991cb", kill_on_drop: false }`
[INFO] [stdout] c081b20b0f978fb62522ad1022845a9d3e2bda97b16144330c64e53a86b991cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24683f567c3551ebdcc2201d920a770e967e82c107ef00b9afd3c18fdb693210
[INFO] running `Command { std: "docker" "start" "-a" "24683f567c3551ebdcc2201d920a770e967e82c107ef00b9afd3c18fdb693210", 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 0.81s
[INFO] running `Command { std: "docker" "inspect" "24683f567c3551ebdcc2201d920a770e967e82c107ef00b9afd3c18fdb693210", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24683f567c3551ebdcc2201d920a770e967e82c107ef00b9afd3c18fdb693210", kill_on_drop: false }`
[INFO] [stdout] 24683f567c3551ebdcc2201d920a770e967e82c107ef00b9afd3c18fdb693210