[INFO] cloning repository https://github.com/dprint/dprint-plugin-json
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dprint/dprint-plugin-json" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdprint%2Fdprint-plugin-json", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdprint%2Fdprint-plugin-json'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b710c6a20e1e5d4ab8f6d126675d93ebd84790a1
[INFO] checking dprint/dprint-plugin-json against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdprint%2Fdprint-plugin-json" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dprint/dprint-plugin-json on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dprint/dprint-plugin-json
[INFO] finished tweaking git repo https://github.com/dprint/dprint-plugin-json
[INFO] tweaked toml for git repo https://github.com/dprint/dprint-plugin-json written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded terminal_size v0.1.17
[INFO] [stderr]   Downloaded fnv v1.0.7
[INFO] [stderr]   Downloaded console v0.14.1
[INFO] [stderr]   Downloaded rustc-demangle v0.1.19
[INFO] [stderr]   Downloaded which v2.0.1
[INFO] [stderr]   Downloaded miniz_oxide v0.4.4
[INFO] [stderr]   Downloaded addr2line v0.15.1
[INFO] [stderr]   Downloaded cfg-if v1.0.0
[INFO] [stderr]   Downloaded libc v0.2.95
[INFO] [stderr]   Downloaded cc v1.0.68
[INFO] [stderr]   Downloaded quote v1.0.9
[INFO] [stderr]   Downloaded winapi v0.3.9
[INFO] [stderr]   Downloaded debug-here v0.2.2
[INFO] [stderr]   Downloaded similar v0.5.0
[INFO] [stderr]   Downloaded dprint-development v0.3.0
[INFO] [stderr]   Downloaded serde_json v1.0.64
[INFO] [stderr]   Downloaded unicode-xid v0.2.2
[INFO] [stderr]   Downloaded serde_derive v1.0.126
[INFO] [stderr]   Downloaded itoa v0.4.7
[INFO] [stderr]   Downloaded syn v1.0.72
[INFO] [stderr]   Downloaded object v0.25.1
[INFO] [stderr]   Downloaded encode_unicode v0.3.6
[INFO] [stderr]   Downloaded adler v1.0.2
[INFO] [stderr]   Downloaded autocfg v1.0.1
[INFO] [stderr]   Downloaded serde v1.0.126
[INFO] [stderr]   Downloaded backtrace v0.3.60
[INFO] [stderr]   Downloaded bumpalo v3.7.0
[INFO] [stderr]   Downloaded unicode-width v0.1.8
[INFO] [stderr]   Downloaded regex v1.5.4
[INFO] [stderr]   Downloaded gimli v0.24.0
[INFO] [stderr]   Downloaded dprint-core v0.39.0
[INFO] [stderr]   Downloaded jsonc-parser v0.17.0
[INFO] [stderr]   Downloaded regex-syntax v0.6.25
[INFO] [stderr]   Downloaded ryu v1.0.5
[INFO] [stderr]   Downloaded memchr v2.4.0
[INFO] [stderr]   Downloaded lazy_static v1.4.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.27
[INFO] [stderr]   Downloaded failure v0.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2cf24db5b7aeecc01e84edb6914c26b8a294ff4184095b51a4873b995f99cf02
[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" "2cf24db5b7aeecc01e84edb6914c26b8a294ff4184095b51a4873b995f99cf02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cf24db5b7aeecc01e84edb6914c26b8a294ff4184095b51a4873b995f99cf02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cf24db5b7aeecc01e84edb6914c26b8a294ff4184095b51a4873b995f99cf02", kill_on_drop: false }`
[INFO] [stdout] 2cf24db5b7aeecc01e84edb6914c26b8a294ff4184095b51a4873b995f99cf02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99e665d533ad22687b31864e20687e4ca63110974eebac2911c9f5416af27674
[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" "99e665d533ad22687b31864e20687e4ca63110974eebac2911c9f5416af27674", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking bumpalo v3.7.0
[INFO] [stderr]     Checking similar v0.5.0
[INFO] [stderr]     Checking jsonc-parser v0.17.0
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]     Checking dprint-development v0.3.0
[INFO] [stderr]     Checking object v0.25.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[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 serde v1.0.126
[INFO] [stderr]     Checking dprint-core v0.39.0
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking dprint-plugin-json v0.11.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.89s
[INFO] running `Command { std: "docker" "inspect" "99e665d533ad22687b31864e20687e4ca63110974eebac2911c9f5416af27674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99e665d533ad22687b31864e20687e4ca63110974eebac2911c9f5416af27674", kill_on_drop: false }`
[INFO] [stdout] 99e665d533ad22687b31864e20687e4ca63110974eebac2911c9f5416af27674