[INFO] fetching crate pyo3-built 0.4.2...
[INFO] checking pyo3-built-0.4.2 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate pyo3-built 0.4.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate pyo3-built 0.4.2 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pyo3-built 0.4.2
[INFO] finished tweaking crates.io crate pyo3-built 0.4.2
[INFO] tweaked toml for crates.io crate pyo3-built 0.4.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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] 6f8016ff9d93187c09d7ba0b60eaa00ed055f558a43b7b54dbcfecbf73abdcb8
[INFO] running `Command { std: "docker" "start" "-a" "6f8016ff9d93187c09d7ba0b60eaa00ed055f558a43b7b54dbcfecbf73abdcb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f8016ff9d93187c09d7ba0b60eaa00ed055f558a43b7b54dbcfecbf73abdcb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f8016ff9d93187c09d7ba0b60eaa00ed055f558a43b7b54dbcfecbf73abdcb8", kill_on_drop: false }`
[INFO] [stdout] 6f8016ff9d93187c09d7ba0b60eaa00ed055f558a43b7b54dbcfecbf73abdcb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38457b3150c24311de97668d48f54d7029f0a9ba300a831ce91bde34270df303
[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" "38457b3150c24311de97668d48f54d7029f0a9ba300a831ce91bde34270df303", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking instant v0.1.6
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]    Compiling pyo3 v0.11.1
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling pyo3-derive-backend v0.11.1
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]    Compiling pyo3cls v0.11.1
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking cargo-lock v4.0.1
[INFO] [stderr]     Checking built v0.4.3
[INFO] [stderr]     Checking pyo3-built v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.15s
[INFO] running `Command { std: "docker" "inspect" "38457b3150c24311de97668d48f54d7029f0a9ba300a831ce91bde34270df303", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38457b3150c24311de97668d48f54d7029f0a9ba300a831ce91bde34270df303", kill_on_drop: false }`
[INFO] [stdout] 38457b3150c24311de97668d48f54d7029f0a9ba300a831ce91bde34270df303