[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] 0b3c33b96d13fbe5dbad9cd3c754019745c06e4f
[INFO] checking dprint/dprint-plugin-json against try#7c3a44cf5f95fa5cf164a312bdcf845157af7093 for pr-77325
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdprint%2Fdprint-plugin-json" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dprint/dprint-plugin-json on toolchain 7c3a44cf5f95fa5cf164a312bdcf845157af7093
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "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-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fcad84f63e90109dbab2d884a66efd0d73316b5dde8e2908433410bb150fd6df
[INFO] running `Command { std: "docker" "start" "-a" "fcad84f63e90109dbab2d884a66efd0d73316b5dde8e2908433410bb150fd6df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcad84f63e90109dbab2d884a66efd0d73316b5dde8e2908433410bb150fd6df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcad84f63e90109dbab2d884a66efd0d73316b5dde8e2908433410bb150fd6df", kill_on_drop: false }`
[INFO] [stdout] fcad84f63e90109dbab2d884a66efd0d73316b5dde8e2908433410bb150fd6df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 867075b2dfe2fc6001d07df5b78932779980beb5cdc4cf845f6bb9ecc15fca36
[INFO] running `Command { std: "docker" "start" "-a" "867075b2dfe2fc6001d07df5b78932779980beb5cdc4cf845f6bb9ecc15fca36", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.96
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking bumpalo v3.7.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking jsonc-parser v0.17.0
[INFO] [stderr]     Checking similar v0.5.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking object v0.25.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking console v0.14.1
[INFO] [stderr]     Checking addr2line v0.15.2
[INFO] [stderr]     Checking dprint-development v0.4.0
[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 v0.42.0
[INFO] [stderr]     Checking dprint-plugin-json v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.16s
[INFO] running `Command { std: "docker" "inspect" "867075b2dfe2fc6001d07df5b78932779980beb5cdc4cf845f6bb9ecc15fca36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "867075b2dfe2fc6001d07df5b78932779980beb5cdc4cf845f6bb9ecc15fca36", kill_on_drop: false }`
[INFO] [stdout] 867075b2dfe2fc6001d07df5b78932779980beb5cdc4cf845f6bb9ecc15fca36