[INFO] fetching crate empty-fallback-chain 1.0.1...
[INFO] checking empty-fallback-chain-1.0.1 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate empty-fallback-chain 1.0.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate empty-fallback-chain 1.0.1 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] started tweaking crates.io crate empty-fallback-chain 1.0.1
[INFO] finished tweaking crates.io crate empty-fallback-chain 1.0.1
[INFO] tweaked toml for crates.io crate empty-fallback-chain 1.0.1 written to /workspace/builds/worker-0-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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] c9b355221f6674fc9195d637d9ade700bf540f9f85a6c320c5bd33d42ca51c81
[INFO] running `Command { std: "docker" "start" "-a" "c9b355221f6674fc9195d637d9ade700bf540f9f85a6c320c5bd33d42ca51c81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9b355221f6674fc9195d637d9ade700bf540f9f85a6c320c5bd33d42ca51c81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9b355221f6674fc9195d637d9ade700bf540f9f85a6c320c5bd33d42ca51c81", kill_on_drop: false }`
[INFO] [stdout] c9b355221f6674fc9195d637d9ade700bf540f9f85a6c320c5bd33d42ca51c81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 7cf6704f520271923345d31cca28506a90fa24e6282bffd2d025ebf4245f1f82
[INFO] running `Command { std: "docker" "start" "-a" "7cf6704f520271923345d31cca28506a90fa24e6282bffd2d025ebf4245f1f82", kill_on_drop: false }`
[INFO] [stderr]     Checking empty-fallback-chain v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "7cf6704f520271923345d31cca28506a90fa24e6282bffd2d025ebf4245f1f82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cf6704f520271923345d31cca28506a90fa24e6282bffd2d025ebf4245f1f82", kill_on_drop: false }`
[INFO] [stdout] 7cf6704f520271923345d31cca28506a90fa24e6282bffd2d025ebf4245f1f82