[INFO] cloning repository https://github.com/tropxy/rust_from_python
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tropxy/rust_from_python" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftropxy%2Frust_from_python", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftropxy%2Frust_from_python'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 528f1a589df6fa321a27a4b24e2c7cb1c46417df
[INFO] checking tropxy/rust_from_python against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftropxy%2Frust_from_python" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tropxy/rust_from_python on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7/source/.cargo/config
[INFO] started tweaking git repo https://github.com/tropxy/rust_from_python
[INFO] finished tweaking git repo https://github.com/tropxy/rust_from_python
[INFO] tweaked toml for git repo https://github.com/tropxy/rust_from_python written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/tropxy/rust_from_python already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded inventory-impl v0.1.9
[INFO] [stderr]   Downloaded inventory v0.1.9
[INFO] [stderr]   Downloaded unindent v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f728e722fe89e7e84ab25c8234b455a8ce31deb7a83884542c4a533e702e0077
[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" "f728e722fe89e7e84ab25c8234b455a8ce31deb7a83884542c4a533e702e0077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f728e722fe89e7e84ab25c8234b455a8ce31deb7a83884542c4a533e702e0077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f728e722fe89e7e84ab25c8234b455a8ce31deb7a83884542c4a533e702e0077", kill_on_drop: false }`
[INFO] [stdout] f728e722fe89e7e84ab25c8234b455a8ce31deb7a83884542c4a533e702e0077
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc1f46eafe8b0d293897e838447a3e7daef52a37af7daf6cb995445967e2fb6f
[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" "dc1f46eafe8b0d293897e838447a3e7daef52a37af7daf6cb995445967e2fb6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling inventory v0.1.9
[INFO] [stderr]     Checking unindent v0.1.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.23
[INFO] [stderr]     Checking instant v0.1.7
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling pyo3-derive-backend v0.11.1
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling ctor v0.1.16
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]    Compiling inventory-impl v0.1.9
[INFO] [stderr]    Compiling pyo3cls v0.11.1
[INFO] [stderr]     Checking indoc v0.3.6
[INFO] [stderr]     Checking pyo3 v0.11.1
[INFO] [stderr]     Checking rust_from_python v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.36s
[INFO] running `Command { std: "docker" "inspect" "dc1f46eafe8b0d293897e838447a3e7daef52a37af7daf6cb995445967e2fb6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc1f46eafe8b0d293897e838447a3e7daef52a37af7daf6cb995445967e2fb6f", kill_on_drop: false }`
[INFO] [stdout] dc1f46eafe8b0d293897e838447a3e7daef52a37af7daf6cb995445967e2fb6f