[INFO] fetching crate quant-mathema 0.0.1...
[INFO] building quant-mathema-0.0.1 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate quant-mathema 0.0.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate quant-mathema 0.0.1
[INFO] finished tweaking crates.io crate quant-mathema 0.0.1
[INFO] tweaked toml for crates.io crate quant-mathema 0.0.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate quant-mathema 0.0.1 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 quant-mathema 0.0.1 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-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] 5e6859ed26fdea1ce8c590e1f5c93bac39a8b9c82bc5e7c333af1de43ebc1c40
[INFO] running `Command { std: "docker" "start" "-a" "5e6859ed26fdea1ce8c590e1f5c93bac39a8b9c82bc5e7c333af1de43ebc1c40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e6859ed26fdea1ce8c590e1f5c93bac39a8b9c82bc5e7c333af1de43ebc1c40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e6859ed26fdea1ce8c590e1f5c93bac39a8b9c82bc5e7c333af1de43ebc1c40", kill_on_drop: false }`
[INFO] [stdout] 5e6859ed26fdea1ce8c590e1f5c93bac39a8b9c82bc5e7c333af1de43ebc1c40
[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] 650c4842d0550acbc7d2862f6b29c025756a71595fd28b1541b525f8823cafda
[INFO] running `Command { std: "docker" "start" "-a" "650c4842d0550acbc7d2862f6b29c025756a71595fd28b1541b525f8823cafda", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quant-mathema v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `Command { std: "docker" "inspect" "650c4842d0550acbc7d2862f6b29c025756a71595fd28b1541b525f8823cafda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "650c4842d0550acbc7d2862f6b29c025756a71595fd28b1541b525f8823cafda", kill_on_drop: false }`
[INFO] [stdout] 650c4842d0550acbc7d2862f6b29c025756a71595fd28b1541b525f8823cafda
[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] abfa0c961ab3b86128ebd041c245629f41a46a64f0038577fb05225a23db004a
[INFO] running `Command { std: "docker" "start" "-a" "abfa0c961ab3b86128ebd041c245629f41a46a64f0038577fb05225a23db004a", kill_on_drop: false }`
[INFO] [stderr]    Compiling quant-mathema v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "abfa0c961ab3b86128ebd041c245629f41a46a64f0038577fb05225a23db004a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abfa0c961ab3b86128ebd041c245629f41a46a64f0038577fb05225a23db004a", kill_on_drop: false }`
[INFO] [stdout] abfa0c961ab3b86128ebd041c245629f41a46a64f0038577fb05225a23db004a