[INFO] fetching crate sandb 0.1.0...
[INFO] building sandb-0.1.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate sandb 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate sandb 0.1.0
[INFO] finished tweaking crates.io crate sandb 0.1.0
[INFO] tweaked toml for crates.io crate sandb 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sandb 0.1.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sandb 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3fb95cc63e14b3073491e40e66ba30f2cd8eff4a3217d2d661ee9004f52b4e33
[INFO] running `Command { std: "docker" "start" "-a" "3fb95cc63e14b3073491e40e66ba30f2cd8eff4a3217d2d661ee9004f52b4e33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fb95cc63e14b3073491e40e66ba30f2cd8eff4a3217d2d661ee9004f52b4e33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fb95cc63e14b3073491e40e66ba30f2cd8eff4a3217d2d661ee9004f52b4e33", kill_on_drop: false }`
[INFO] [stdout] 3fb95cc63e14b3073491e40e66ba30f2cd8eff4a3217d2d661ee9004f52b4e33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c79f68a16a1995e603ab4775d04d86de114653079580a099d5c4b2449082488
[INFO] running `Command { std: "docker" "start" "-a" "0c79f68a16a1995e603ab4775d04d86de114653079580a099d5c4b2449082488", kill_on_drop: false }`
[INFO] [stderr]    Compiling sandb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "0c79f68a16a1995e603ab4775d04d86de114653079580a099d5c4b2449082488", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c79f68a16a1995e603ab4775d04d86de114653079580a099d5c4b2449082488", kill_on_drop: false }`
[INFO] [stdout] 0c79f68a16a1995e603ab4775d04d86de114653079580a099d5c4b2449082488
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c78ea0ae0aa7011d183134fa288c58cc27368195afcc04355dcafd536a56cbaf
[INFO] running `Command { std: "docker" "start" "-a" "c78ea0ae0aa7011d183134fa288c58cc27368195afcc04355dcafd536a56cbaf", kill_on_drop: false }`
[INFO] [stderr]    Compiling sandb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "c78ea0ae0aa7011d183134fa288c58cc27368195afcc04355dcafd536a56cbaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c78ea0ae0aa7011d183134fa288c58cc27368195afcc04355dcafd536a56cbaf", kill_on_drop: false }`
[INFO] [stdout] c78ea0ae0aa7011d183134fa288c58cc27368195afcc04355dcafd536a56cbaf