[INFO] fetching crate nabla-ml 0.4.8...
[INFO] building nabla-ml-0.4.8 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate nabla-ml 0.4.8 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate nabla-ml 0.4.8
[INFO] finished tweaking crates.io crate nabla-ml 0.4.8
[INFO] tweaked toml for crates.io crate nabla-ml 0.4.8 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nabla-ml 0.4.8 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 nabla-ml 0.4.8 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v2.0.94
[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] 55a79eaa865864f11bacf13bc359f9cd650d0ea6912db46a5b0b708b368cb91c
[INFO] running `Command { std: "docker" "start" "-a" "55a79eaa865864f11bacf13bc359f9cd650d0ea6912db46a5b0b708b368cb91c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55a79eaa865864f11bacf13bc359f9cd650d0ea6912db46a5b0b708b368cb91c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55a79eaa865864f11bacf13bc359f9cd650d0ea6912db46a5b0b708b368cb91c", kill_on_drop: false }`
[INFO] [stdout] 55a79eaa865864f11bacf13bc359f9cd650d0ea6912db46a5b0b708b368cb91c
[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] c4201183bb1518b9e79daa4c877620e18697a8917fd4da6be4e11342127a233f
[INFO] running `Command { std: "docker" "start" "-a" "c4201183bb1518b9e79daa4c877620e18697a8917fd4da6be4e11342127a233f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling serde_json v1.0.137
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling miniz_oxide v0.8.2
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling syn v2.0.94
[INFO] [stderr]    Compiling flate2 v1.0.35
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling nabla-ml v0.4.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.44s
[INFO] running `Command { std: "docker" "inspect" "c4201183bb1518b9e79daa4c877620e18697a8917fd4da6be4e11342127a233f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4201183bb1518b9e79daa4c877620e18697a8917fd4da6be4e11342127a233f", kill_on_drop: false }`
[INFO] [stdout] c4201183bb1518b9e79daa4c877620e18697a8917fd4da6be4e11342127a233f
[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] 467d748e1867e5ed08ac2aeebeb396bbfec0bb60458c38f110e2f99ccdb1b351
[INFO] running `Command { std: "docker" "start" "-a" "467d748e1867e5ed08ac2aeebeb396bbfec0bb60458c38f110e2f99ccdb1b351", kill_on_drop: false }`
[INFO] [stderr]    Compiling nabla-ml v0.4.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.53s
[INFO] running `Command { std: "docker" "inspect" "467d748e1867e5ed08ac2aeebeb396bbfec0bb60458c38f110e2f99ccdb1b351", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "467d748e1867e5ed08ac2aeebeb396bbfec0bb60458c38f110e2f99ccdb1b351", kill_on_drop: false }`
[INFO] [stdout] 467d748e1867e5ed08ac2aeebeb396bbfec0bb60458c38f110e2f99ccdb1b351