[INFO] fetching crate rosettastone 0.0.1...
[INFO] checking rosettastone-0.0.1 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate rosettastone 0.0.1 into /workspace/builds/worker-37/source
[INFO] validating manifest of crates.io crate rosettastone 0.0.1 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rosettastone 0.0.1
[INFO] finished tweaking crates.io crate rosettastone 0.0.1
[INFO] tweaked toml for crates.io crate rosettastone 0.0.1 written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbf34863faa21f53f7218a96e631005e7f84e49d32b62f1fbf453422c19c6158
[INFO] running `Command { std: "docker" "start" "-a" "dbf34863faa21f53f7218a96e631005e7f84e49d32b62f1fbf453422c19c6158", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbf34863faa21f53f7218a96e631005e7f84e49d32b62f1fbf453422c19c6158", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbf34863faa21f53f7218a96e631005e7f84e49d32b62f1fbf453422c19c6158", kill_on_drop: false }`
[INFO] [stdout] dbf34863faa21f53f7218a96e631005e7f84e49d32b62f1fbf453422c19c6158
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7279114e4857c7e2dc2c34a4b60fb1f4f49f1a16ab9bba2e9aed681b2870b3eb
[INFO] running `Command { std: "docker" "start" "-a" "7279114e4857c7e2dc2c34a4b60fb1f4f49f1a16ab9bba2e9aed681b2870b3eb", kill_on_drop: false }`
[INFO] [stderr]     Checking rosettastone v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "7279114e4857c7e2dc2c34a4b60fb1f4f49f1a16ab9bba2e9aed681b2870b3eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7279114e4857c7e2dc2c34a4b60fb1f4f49f1a16ab9bba2e9aed681b2870b3eb", kill_on_drop: false }`
[INFO] [stdout] 7279114e4857c7e2dc2c34a4b60fb1f4f49f1a16ab9bba2e9aed681b2870b3eb