[INFO] fetching crate pyo3-derive-backend 0.12.3...
[INFO] checking pyo3-derive-backend-0.12.3 against try#ff044a3d65d25a17c3e14c1530004e1540179ba7 for pr-78338
[INFO] extracting crate pyo3-derive-backend 0.12.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate pyo3-derive-backend 0.12.3 on toolchain ff044a3d65d25a17c3e14c1530004e1540179ba7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pyo3-derive-backend 0.12.3
[INFO] finished tweaking crates.io crate pyo3-derive-backend 0.12.3
[INFO] tweaked toml for crates.io crate pyo3-derive-backend 0.12.3 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "metadata" "--no-deps" "--format-version=1", 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] 1f2440387d27abe968b6745d690b3423cad47ff15b96dd393d37a5752ad67634
[INFO] running `Command { std: "docker" "start" "-a" "1f2440387d27abe968b6745d690b3423cad47ff15b96dd393d37a5752ad67634", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f2440387d27abe968b6745d690b3423cad47ff15b96dd393d37a5752ad67634", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f2440387d27abe968b6745d690b3423cad47ff15b96dd393d37a5752ad67634", kill_on_drop: false }`
[INFO] [stdout] 1f2440387d27abe968b6745d690b3423cad47ff15b96dd393d37a5752ad67634
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1047cc55c6fb6d8a10f8d258e4ed204a3ded00ac4000fa92f387b7945b4253c
[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" "a1047cc55c6fb6d8a10f8d258e4ed204a3ded00ac4000fa92f387b7945b4253c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking pyo3-derive-backend v0.12.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.84s
[INFO] running `Command { std: "docker" "inspect" "a1047cc55c6fb6d8a10f8d258e4ed204a3ded00ac4000fa92f387b7945b4253c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1047cc55c6fb6d8a10f8d258e4ed204a3ded00ac4000fa92f387b7945b4253c", kill_on_drop: false }`
[INFO] [stdout] a1047cc55c6fb6d8a10f8d258e4ed204a3ded00ac4000fa92f387b7945b4253c