[INFO] fetching crate dprint-plugin-jsonc 0.7.2...
[INFO] checking dprint-plugin-jsonc-0.7.2 against try#1c5262aa6c045a581fb974488793f09ed51fc498 for pr-78376
[INFO] extracting crate dprint-plugin-jsonc 0.7.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate dprint-plugin-jsonc 0.7.2 on toolchain 1c5262aa6c045a581fb974488793f09ed51fc498
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dprint-plugin-jsonc 0.7.2
[INFO] finished tweaking crates.io crate dprint-plugin-jsonc 0.7.2
[INFO] tweaked toml for crates.io crate dprint-plugin-jsonc 0.7.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded jsonc-parser v0.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f2aa14c9e1e5965aa9350f4de75963638a3d80f044f4b0f66a03112223109475
[INFO] running `Command { std: "docker" "start" "-a" "f2aa14c9e1e5965aa9350f4de75963638a3d80f044f4b0f66a03112223109475", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2aa14c9e1e5965aa9350f4de75963638a3d80f044f4b0f66a03112223109475", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2aa14c9e1e5965aa9350f4de75963638a3d80f044f4b0f66a03112223109475", kill_on_drop: false }`
[INFO] [stdout] f2aa14c9e1e5965aa9350f4de75963638a3d80f044f4b0f66a03112223109475
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7254cdf89c27b08e0755526b43b11ed862676d1eb1cc0742badcf1d054ad88cf
[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" "7254cdf89c27b08e0755526b43b11ed862676d1eb1cc0742badcf1d054ad88cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking jsonc-parser v0.15.0
[INFO] [stderr]     Checking dprint-development v0.2.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking addr2line v0.14.0
[INFO] [stderr]     Checking backtrace v0.3.54
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking which v2.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking debug-here v0.2.2
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking dprint-core v0.31.1
[INFO] [stderr]     Checking dprint-plugin-jsonc v0.7.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.95s
[INFO] running `Command { std: "docker" "inspect" "7254cdf89c27b08e0755526b43b11ed862676d1eb1cc0742badcf1d054ad88cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7254cdf89c27b08e0755526b43b11ed862676d1eb1cc0742badcf1d054ad88cf", kill_on_drop: false }`
[INFO] [stdout] 7254cdf89c27b08e0755526b43b11ed862676d1eb1cc0742badcf1d054ad88cf