[INFO] fetching crate json_to_rust 0.2.0...
[INFO] checking json_to_rust-0.2.0 against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] extracting crate json_to_rust 0.2.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate json_to_rust 0.2.0 on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate json_to_rust 0.2.0
[INFO] finished tweaking crates.io crate json_to_rust 0.2.0
[INFO] tweaked toml for crates.io crate json_to_rust 0.2.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate json_to_rust 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f269dda573481630ffeb1f78422606bb3e3f4b0aad902e3e90f3a55dbd8f102
[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" "5f269dda573481630ffeb1f78422606bb3e3f4b0aad902e3e90f3a55dbd8f102", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f269dda573481630ffeb1f78422606bb3e3f4b0aad902e3e90f3a55dbd8f102", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f269dda573481630ffeb1f78422606bb3e3f4b0aad902e3e90f3a55dbd8f102", kill_on_drop: false }`
[INFO] [stdout] 5f269dda573481630ffeb1f78422606bb3e3f4b0aad902e3e90f3a55dbd8f102
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc7407edfbb957ef73702ae34182e5a0b4d8c5a6bfa9bf1e1cf8b8a57d056774
[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" "dc7407edfbb957ef73702ae34182e5a0b4d8c5a6bfa9bf1e1cf8b8a57d056774", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking pico-args v0.3.4
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking inflections v1.1.1
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking json_to_rust v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.35s
[INFO] running `Command { std: "docker" "inspect" "dc7407edfbb957ef73702ae34182e5a0b4d8c5a6bfa9bf1e1cf8b8a57d056774", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc7407edfbb957ef73702ae34182e5a0b4d8c5a6bfa9bf1e1cf8b8a57d056774", kill_on_drop: false }`
[INFO] [stdout] dc7407edfbb957ef73702ae34182e5a0b4d8c5a6bfa9bf1e1cf8b8a57d056774