[INFO] cloning repository https://github.com/google/json5format
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/google/json5format" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoogle%2Fjson5format", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoogle%2Fjson5format'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 920d8880ba2f39cd1cc405efb90aa3f91b22aba4
[INFO] checking google/json5format against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoogle%2Fjson5format" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/google/json5format on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/google/json5format
[INFO] finished tweaking git repo https://github.com/google/json5format
[INFO] tweaked toml for git repo https://github.com/google/json5format written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/google/json5format already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 494805e9ed56b5201e93964b9572e7b9dd9bad287624322e598a3cd5d189484d
[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" "494805e9ed56b5201e93964b9572e7b9dd9bad287624322e598a3cd5d189484d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "494805e9ed56b5201e93964b9572e7b9dd9bad287624322e598a3cd5d189484d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "494805e9ed56b5201e93964b9572e7b9dd9bad287624322e598a3cd5d189484d", kill_on_drop: false }`
[INFO] [stdout] 494805e9ed56b5201e93964b9572e7b9dd9bad287624322e598a3cd5d189484d
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 57924e6d4148b76cce752da48b3213ae9bab7c13dc99de90d6d424ff417bfcee
[INFO] running `Command { std: "docker" "start" "-a" "57924e6d4148b76cce752da48b3213ae9bab7c13dc99de90d6d424ff417bfcee", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking bit-set v0.5.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking rusty-fork v0.2.2
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking proptest v0.9.6
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking json5format v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.71s
[INFO] running `Command { std: "docker" "inspect" "57924e6d4148b76cce752da48b3213ae9bab7c13dc99de90d6d424ff417bfcee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57924e6d4148b76cce752da48b3213ae9bab7c13dc99de90d6d424ff417bfcee", kill_on_drop: false }`
[INFO] [stdout] 57924e6d4148b76cce752da48b3213ae9bab7c13dc99de90d6d424ff417bfcee