[INFO] fetching crate dprint-plugin-json 0.8.0...
[INFO] checking dprint-plugin-json-0.8.0 against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565
[INFO] extracting crate dprint-plugin-json 0.8.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate dprint-plugin-json 0.8.0 on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dprint-plugin-json 0.8.0
[INFO] finished tweaking crates.io crate dprint-plugin-json 0.8.0
[INFO] tweaked toml for crates.io crate dprint-plugin-json 0.8.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63e78b1a4250bdd3670a84c7a4de29f682561f2e2aebe388af88228b217defe3
[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" "63e78b1a4250bdd3670a84c7a4de29f682561f2e2aebe388af88228b217defe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63e78b1a4250bdd3670a84c7a4de29f682561f2e2aebe388af88228b217defe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63e78b1a4250bdd3670a84c7a4de29f682561f2e2aebe388af88228b217defe3", kill_on_drop: false }`
[INFO] [stdout] 63e78b1a4250bdd3670a84c7a4de29f682561f2e2aebe388af88228b217defe3
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8272d79231803cc2dd4bc895ea47f8e62de38df34be3fa9955399ed0df4fb58
[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" "d8272d79231803cc2dd4bc895ea47f8e62de38df34be3fa9955399ed0df4fb58", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.63
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking bumpalo v3.6.1
[INFO] [stderr]     Checking similar v0.5.0
[INFO] [stderr]     Checking jsonc-parser v0.15.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking terminal_size v0.1.16
[INFO] [stderr]     Checking regex v1.4.4
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking console v0.14.0
[INFO] [stderr]     Checking dprint-development v0.2.6
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking which v2.0.1
[INFO] [stderr]     Checking debug-here v0.2.2
[INFO] [stderr]     Checking dprint-core v0.35.2
[INFO] [stderr]     Checking dprint-plugin-json v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.61s
[INFO] running `Command { std: "docker" "inspect" "d8272d79231803cc2dd4bc895ea47f8e62de38df34be3fa9955399ed0df4fb58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8272d79231803cc2dd4bc895ea47f8e62de38df34be3fa9955399ed0df4fb58", kill_on_drop: false }`
[INFO] [stdout] d8272d79231803cc2dd4bc895ea47f8e62de38df34be3fa9955399ed0df4fb58