[INFO] cloning repository https://github.com/rust-osdev/ansi_rgb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rust-osdev/ansi_rgb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-osdev%2Fansi_rgb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-osdev%2Fansi_rgb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 862acd0aa5c0525d1e0fab6b238b5d93e3bd77b9
[INFO] checking rust-osdev/ansi_rgb against master#8a65ee08296b36342bf7c3cdc15312ccbc357227 for pr-142704
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-osdev%2Fansi_rgb" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-osdev/ansi_rgb on toolchain 8a65ee08296b36342bf7c3cdc15312ccbc357227
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rust-osdev/ansi_rgb
[INFO] finished tweaking git repo https://github.com/rust-osdev/ansi_rgb
[INFO] tweaked toml for git repo https://github.com/rust-osdev/ansi_rgb written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rust-osdev/ansi_rgb already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rgb v0.8.33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ea22c378ebed4ba13df84ede447ff32121bcd7696abfb09cf833a581de0e840
[INFO] running `Command { std: "docker" "start" "-a" "1ea22c378ebed4ba13df84ede447ff32121bcd7696abfb09cf833a581de0e840", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ea22c378ebed4ba13df84ede447ff32121bcd7696abfb09cf833a581de0e840", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ea22c378ebed4ba13df84ede447ff32121bcd7696abfb09cf833a581de0e840", kill_on_drop: false }`
[INFO] [stdout] 1ea22c378ebed4ba13df84ede447ff32121bcd7696abfb09cf833a581de0e840
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c5a8fb314a5fa90295ed4ae3dbf3aeb7c041edc310c65a7ba74609bc78e0c6e
[INFO] running `Command { std: "docker" "start" "-a" "6c5a8fb314a5fa90295ed4ae3dbf3aeb7c041edc310c65a7ba74609bc78e0c6e", kill_on_drop: false }`
[INFO] [stderr]     Checking rgb v0.8.33
[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 0.75s
[INFO] running `Command { std: "docker" "inspect" "6c5a8fb314a5fa90295ed4ae3dbf3aeb7c041edc310c65a7ba74609bc78e0c6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c5a8fb314a5fa90295ed4ae3dbf3aeb7c041edc310c65a7ba74609bc78e0c6e", kill_on_drop: false }`
[INFO] [stdout] 6c5a8fb314a5fa90295ed4ae3dbf3aeb7c041edc310c65a7ba74609bc78e0c6e
