[INFO] fetching crate supports-color 3.0.0...
[INFO] checking supports-color-3.0.0 against master#f167efad2f51088d86180ee89177b3d7c9e7c2f5 for pr-129543
[INFO] extracting crate supports-color 3.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate supports-color 3.0.0 on toolchain f167efad2f51088d86180ee89177b3d7c9e7c2f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate supports-color 3.0.0
[INFO] finished tweaking crates.io crate supports-color 3.0.0
[INFO] tweaked toml for crates.io crate supports-color 3.0.0 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" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5aa63ef4e569521630eefc2c200e24fc9e2b4d1e7cdd4f4c594d43f5d16f7e6e
[INFO] running `Command { std: "docker" "start" "-a" "5aa63ef4e569521630eefc2c200e24fc9e2b4d1e7cdd4f4c594d43f5d16f7e6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5aa63ef4e569521630eefc2c200e24fc9e2b4d1e7cdd4f4c594d43f5d16f7e6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aa63ef4e569521630eefc2c200e24fc9e2b4d1e7cdd4f4c594d43f5d16f7e6e", kill_on_drop: false }`
[INFO] [stdout] 5aa63ef4e569521630eefc2c200e24fc9e2b4d1e7cdd4f4c594d43f5d16f7e6e
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fad6eb63b48adc7f407e9557e02e73f23afec19a38279104b1d245608022a93
[INFO] running `Command { std: "docker" "start" "-a" "2fad6eb63b48adc7f407e9557e02e73f23afec19a38279104b1d245608022a93", kill_on_drop: false }`
[INFO] [stderr]     Checking is_ci v1.2.0
[INFO] [stderr]     Checking supports-color v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "2fad6eb63b48adc7f407e9557e02e73f23afec19a38279104b1d245608022a93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fad6eb63b48adc7f407e9557e02e73f23afec19a38279104b1d245608022a93", kill_on_drop: false }`
[INFO] [stdout] 2fad6eb63b48adc7f407e9557e02e73f23afec19a38279104b1d245608022a93