[INFO] updating cached repository https://github.com/ericdeansanchez/imgix-rust-to-python
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3bd4e44046f9f8aff5232cbe6ed3f00e0db818db
[INFO] testing ericdeansanchez/imgix-rust-to-python against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericdeansanchez%2Fimgix-rust-to-python" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ericdeansanchez/imgix-rust-to-python on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ericdeansanchez/imgix-rust-to-python
[INFO] finished tweaking git repo https://github.com/ericdeansanchez/imgix-rust-to-python
[INFO] tweaked toml for git repo https://github.com/ericdeansanchez/imgix-rust-to-python written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/ericdeansanchez/imgix-rust-to-python already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6b7a64c47505dda9abb4d9280c025e1dab4447e090fe93b1670906dc3355835
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a6b7a64c47505dda9abb4d9280c025e1dab4447e090fe93b1670906dc3355835", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6b7a64c47505dda9abb4d9280c025e1dab4447e090fe93b1670906dc3355835", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6b7a64c47505dda9abb4d9280c025e1dab4447e090fe93b1670906dc3355835", kill_on_drop: false }`
[INFO] [stdout] a6b7a64c47505dda9abb4d9280c025e1dab4447e090fe93b1670906dc3355835
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8d5682d33b06b8dd5cbb5dd9df40f70e38516e3ea8d4fcac386c14ea787fe339
[INFO] running `Command { std: "docker" "start" "-a" "8d5682d33b06b8dd5cbb5dd9df40f70e38516e3ea8d4fcac386c14ea787fe339", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling pyo3-derive-backend v0.9.2 (https://github.com/PyO3/pyo3#746c352c)
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling ctor v0.1.14
[INFO] [stderr]    Compiling paste-impl v0.1.11
[INFO] [stderr]    Compiling inventory-impl v0.1.6
[INFO] [stderr]    Compiling indoc-impl v0.3.5
[INFO] [stderr]    Compiling ghost v0.1.1
[INFO] [stderr]    Compiling pyo3cls v0.9.2 (https://github.com/PyO3/pyo3#746c352c)
[INFO] [stderr]    Compiling paste v0.1.11
[INFO] [stderr]    Compiling indoc v0.3.5
[INFO] [stderr]    Compiling inventory v0.1.6
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling serde_json v1.0.52
[INFO] [stderr]    Compiling pyo3 v0.9.2 (https://github.com/PyO3/pyo3#746c352c)
[INFO] [stderr] error: failed to run custom build command for `pyo3 v0.9.2 (https://github.com/PyO3/pyo3#746c352c)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/pyo3-e74c280121c5820e/build-script-build` (exit code: 1)
[INFO] [stderr] --- stderr
[INFO] [stderr] Error: "PyO3 requires a nightly or dev version of Rust."
[INFO] [stderr] 
[INFO] running `Command { std: "docker" "inspect" "8d5682d33b06b8dd5cbb5dd9df40f70e38516e3ea8d4fcac386c14ea787fe339", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d5682d33b06b8dd5cbb5dd9df40f70e38516e3ea8d4fcac386c14ea787fe339", kill_on_drop: false }`
[INFO] [stdout] 8d5682d33b06b8dd5cbb5dd9df40f70e38516e3ea8d4fcac386c14ea787fe339