[INFO] fetching crate rt_ref 0.2.1...
[INFO] checking rt_ref-0.2.1 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate rt_ref 0.2.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate rt_ref 0.2.1 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate rt_ref 0.2.1
[INFO] finished tweaking crates.io crate rt_ref 0.2.1
[INFO] tweaked toml for crates.io crate rt_ref 0.2.1 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07d60aaa179cde9c87d2ebdad8243900a78ee01d5ff268588b1add8a9b85a6a0
[INFO] running `Command { std: "docker" "start" "-a" "07d60aaa179cde9c87d2ebdad8243900a78ee01d5ff268588b1add8a9b85a6a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07d60aaa179cde9c87d2ebdad8243900a78ee01d5ff268588b1add8a9b85a6a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07d60aaa179cde9c87d2ebdad8243900a78ee01d5ff268588b1add8a9b85a6a0", kill_on_drop: false }`
[INFO] [stdout] 07d60aaa179cde9c87d2ebdad8243900a78ee01d5ff268588b1add8a9b85a6a0
[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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b5910ff69ddb0e9cca1f217b8b38ce90faae0e5e0e062854c9470c3ee5bf137
[INFO] running `Command { std: "docker" "start" "-a" "5b5910ff69ddb0e9cca1f217b8b38ce90faae0e5e0e062854c9470c3ee5bf137", kill_on_drop: false }`
[INFO] [stderr]     Checking rt_ref v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "5b5910ff69ddb0e9cca1f217b8b38ce90faae0e5e0e062854c9470c3ee5bf137", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b5910ff69ddb0e9cca1f217b8b38ce90faae0e5e0e062854c9470c3ee5bf137", kill_on_drop: false }`
[INFO] [stdout] 5b5910ff69ddb0e9cca1f217b8b38ce90faae0e5e0e062854c9470c3ee5bf137