[INFO] fetching crate ansi_rgb 0.3.2-alpha...
[INFO] checking ansi_rgb-0.3.2-alpha against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate ansi_rgb 0.3.2-alpha into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate ansi_rgb 0.3.2-alpha on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rgb v0.8.37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c9d4230c4380554e0d3cd9e2dc3fa071edc051f4fb1e09612a2c550d84e571e
[INFO] running `Command { std: "docker" "start" "-a" "6c9d4230c4380554e0d3cd9e2dc3fa071edc051f4fb1e09612a2c550d84e571e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c9d4230c4380554e0d3cd9e2dc3fa071edc051f4fb1e09612a2c550d84e571e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c9d4230c4380554e0d3cd9e2dc3fa071edc051f4fb1e09612a2c550d84e571e", kill_on_drop: false }`
[INFO] [stdout] 6c9d4230c4380554e0d3cd9e2dc3fa071edc051f4fb1e09612a2c550d84e571e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b35e397d3935edd17ff87ade0f04b0018f3f0d7637ef7beb5fc8e62b75eeabf
[INFO] running `Command { std: "docker" "start" "-a" "3b35e397d3935edd17ff87ade0f04b0018f3f0d7637ef7beb5fc8e62b75eeabf", kill_on_drop: false }`
[INFO] [stderr]     Checking rgb v0.8.37
[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]    = 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] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 48 |     struct Foo((), ());
[INFO] [stdout]    |                ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "3b35e397d3935edd17ff87ade0f04b0018f3f0d7637ef7beb5fc8e62b75eeabf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b35e397d3935edd17ff87ade0f04b0018f3f0d7637ef7beb5fc8e62b75eeabf", kill_on_drop: false }`
[INFO] [stdout] 3b35e397d3935edd17ff87ade0f04b0018f3f0d7637ef7beb5fc8e62b75eeabf
[INFO] checking ansi_rgb-0.3.2-alpha against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate ansi_rgb 0.3.2-alpha into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate ansi_rgb 0.3.2-alpha on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eaba5ca633a26e3bc0e8aa97ab7c00977bed66a796124128f3752ec1977ff211
[INFO] running `Command { std: "docker" "start" "-a" "eaba5ca633a26e3bc0e8aa97ab7c00977bed66a796124128f3752ec1977ff211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eaba5ca633a26e3bc0e8aa97ab7c00977bed66a796124128f3752ec1977ff211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaba5ca633a26e3bc0e8aa97ab7c00977bed66a796124128f3752ec1977ff211", kill_on_drop: false }`
[INFO] [stdout] eaba5ca633a26e3bc0e8aa97ab7c00977bed66a796124128f3752ec1977ff211
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f891e09ab9e1205513341b2db8ec57948c4dc29f66f13d09c1a32572ed095cf
[INFO] running `Command { std: "docker" "start" "-a" "1f891e09ab9e1205513341b2db8ec57948c4dc29f66f13d09c1a32572ed095cf", kill_on_drop: false }`
[INFO] [stderr]     Checking rgb v0.8.37
[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]    = 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] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 48 |     struct Foo((), ());
[INFO] [stdout]    |                ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "1f891e09ab9e1205513341b2db8ec57948c4dc29f66f13d09c1a32572ed095cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f891e09ab9e1205513341b2db8ec57948c4dc29f66f13d09c1a32572ed095cf", kill_on_drop: false }`
[INFO] [stdout] 1f891e09ab9e1205513341b2db8ec57948c4dc29f66f13d09c1a32572ed095cf
