[INFO] fetching crate surrogate-train 0.1.0...
[INFO] building surrogate-train-0.1.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate surrogate-train 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate surrogate-train 0.1.0
[INFO] finished tweaking crates.io crate surrogate-train 0.1.0
[INFO] tweaked toml for crates.io crate surrogate-train 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate surrogate-train 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 4d4533dc138b1ab07e7c9ddf220089c3ccbeb0315dc8e5bcb1ba0e1b70de2ef3
[INFO] running `Command { std: "docker" "start" "-a" "4d4533dc138b1ab07e7c9ddf220089c3ccbeb0315dc8e5bcb1ba0e1b70de2ef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d4533dc138b1ab07e7c9ddf220089c3ccbeb0315dc8e5bcb1ba0e1b70de2ef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d4533dc138b1ab07e7c9ddf220089c3ccbeb0315dc8e5bcb1ba0e1b70de2ef3", kill_on_drop: false }`
[INFO] [stdout] 4d4533dc138b1ab07e7c9ddf220089c3ccbeb0315dc8e5bcb1ba0e1b70de2ef3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] d9e6a3ddf10576454372f5285fa459d10f2410b14db2ad7d2cd8742f8db91a41
[INFO] running `Command { std: "docker" "start" "-a" "d9e6a3ddf10576454372f5285fa459d10f2410b14db2ad7d2cd8742f8db91a41", kill_on_drop: false }`
[INFO] [stderr]    Compiling surrogate-train v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "d9e6a3ddf10576454372f5285fa459d10f2410b14db2ad7d2cd8742f8db91a41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9e6a3ddf10576454372f5285fa459d10f2410b14db2ad7d2cd8742f8db91a41", kill_on_drop: false }`
[INFO] [stdout] d9e6a3ddf10576454372f5285fa459d10f2410b14db2ad7d2cd8742f8db91a41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 38c0724458980d0fc93f35e547347c37e4101d56b5234a8b9585c5738258e86e
[INFO] running `Command { std: "docker" "start" "-a" "38c0724458980d0fc93f35e547347c37e4101d56b5234a8b9585c5738258e86e", kill_on_drop: false }`
[INFO] [stderr]    Compiling surrogate-train v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "38c0724458980d0fc93f35e547347c37e4101d56b5234a8b9585c5738258e86e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38c0724458980d0fc93f35e547347c37e4101d56b5234a8b9585c5738258e86e", kill_on_drop: false }`
[INFO] [stdout] 38c0724458980d0fc93f35e547347c37e4101d56b5234a8b9585c5738258e86e