[INFO] cloning repository https://github.com/mozilla/rust-cpp-parser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mozilla/rust-cpp-parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmozilla%2Frust-cpp-parser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmozilla%2Frust-cpp-parser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 24b06d1c481efa2265c99f78a741fd617541b98e
[INFO] checking mozilla/rust-cpp-parser against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmozilla%2Frust-cpp-parser" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mozilla/rust-cpp-parser 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/mozilla/rust-cpp-parser
[INFO] removed workspace from git repo https://github.com/mozilla/rust-cpp-parser
[INFO] finished tweaking git repo https://github.com/mozilla/rust-cpp-parser
[INFO] tweaked toml for git repo https://github.com/mozilla/rust-cpp-parser written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/mozilla/rust-cpp-parser 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] error: the lock file /workspace/builds/worker-3/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 04528d3ee9f5b9dc90cde7eea21d967f98b4158e8fc95c0fc0eb6c8c7585f170
[INFO] running `Command { std: "docker" "start" "-a" "04528d3ee9f5b9dc90cde7eea21d967f98b4158e8fc95c0fc0eb6c8c7585f170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04528d3ee9f5b9dc90cde7eea21d967f98b4158e8fc95c0fc0eb6c8c7585f170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04528d3ee9f5b9dc90cde7eea21d967f98b4158e8fc95c0fc0eb6c8c7585f170", kill_on_drop: false }`
[INFO] [stdout] 04528d3ee9f5b9dc90cde7eea21d967f98b4158e8fc95c0fc0eb6c8c7585f170
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4f209450948468aa9d9a1141d41917d0f36cb54d481610ae38233d294034aae
[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" "a4f209450948468aa9d9a1141d41917d0f36cb54d481610ae38233d294034aae", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking cpp-parser v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ParametersParser`
[INFO] [stdout]   --> src/parser/names/name.rs:13:46
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::parser::expressions::{Parameters, ParametersParser};
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ParametersParser`
[INFO] [stdout]   --> src/parser/names/name.rs:13:46
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::parser::expressions::{Parameters, ParametersParser};
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.37s
[INFO] running `Command { std: "docker" "inspect" "a4f209450948468aa9d9a1141d41917d0f36cb54d481610ae38233d294034aae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4f209450948468aa9d9a1141d41917d0f36cb54d481610ae38233d294034aae", kill_on_drop: false }`
[INFO] [stdout] a4f209450948468aa9d9a1141d41917d0f36cb54d481610ae38233d294034aae