[INFO] fetching crate jxon 0.7.0...
[INFO] checking jxon-0.7.0 against try#9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c for pr-79472
[INFO] extracting crate jxon 0.7.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate jxon 0.7.0 on toolchain 9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jxon 0.7.0
[INFO] finished tweaking crates.io crate jxon 0.7.0
[INFO] tweaked toml for crates.io crate jxon 0.7.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a87b456a38bcbb64062a8cd2887b5c026a6e0fee57a29069d285368c27d2ca06
[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" "a87b456a38bcbb64062a8cd2887b5c026a6e0fee57a29069d285368c27d2ca06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a87b456a38bcbb64062a8cd2887b5c026a6e0fee57a29069d285368c27d2ca06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a87b456a38bcbb64062a8cd2887b5c026a6e0fee57a29069d285368c27d2ca06", kill_on_drop: false }`
[INFO] [stdout] a87b456a38bcbb64062a8cd2887b5c026a6e0fee57a29069d285368c27d2ca06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e2d6b607c79b114a0a558aefd2300949e93bb5604b5f32c772577225f98e938
[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" "8e2d6b607c79b114a0a558aefd2300949e93bb5604b5f32c772577225f98e938", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking quick-xml v0.17.2
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking serde v1.0.118
[INFO] [stderr]     Checking jxon v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.42s
[INFO] running `Command { std: "docker" "inspect" "8e2d6b607c79b114a0a558aefd2300949e93bb5604b5f32c772577225f98e938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e2d6b607c79b114a0a558aefd2300949e93bb5604b5f32c772577225f98e938", kill_on_drop: false }`
[INFO] [stdout] 8e2d6b607c79b114a0a558aefd2300949e93bb5604b5f32c772577225f98e938