[INFO] fetching crate cmdex 0.2.7...
[INFO] checking cmdex-0.2.7 against beta for pr-78714
[INFO] extracting crate cmdex 0.2.7 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate cmdex 0.2.7 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 crates.io crate cmdex 0.2.7
[INFO] finished tweaking crates.io crate cmdex 0.2.7
[INFO] tweaked toml for crates.io crate cmdex 0.2.7 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate cmdex 0.2.7 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] 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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54d3c744b858ff5dab6ca481ab0e3a4a4612659af67bc3cc775dbea63f008021
[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" "54d3c744b858ff5dab6ca481ab0e3a4a4612659af67bc3cc775dbea63f008021", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54d3c744b858ff5dab6ca481ab0e3a4a4612659af67bc3cc775dbea63f008021", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54d3c744b858ff5dab6ca481ab0e3a4a4612659af67bc3cc775dbea63f008021", kill_on_drop: false }`
[INFO] [stdout] 54d3c744b858ff5dab6ca481ab0e3a4a4612659af67bc3cc775dbea63f008021
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/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] 0fbe534f78b0f609c82cdadf216e9c5d2de329b1098e9c3e8417633587c3e5c6
[INFO] running `Command { std: "docker" "start" "-a" "0fbe534f78b0f609c82cdadf216e9c5d2de329b1098e9c3e8417633587c3e5c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]     Checking fuzzy-matcher v0.3.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking cmdex v0.2.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.15s
[INFO] running `Command { std: "docker" "inspect" "0fbe534f78b0f609c82cdadf216e9c5d2de329b1098e9c3e8417633587c3e5c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fbe534f78b0f609c82cdadf216e9c5d2de329b1098e9c3e8417633587c3e5c6", kill_on_drop: false }`
[INFO] [stdout] 0fbe534f78b0f609c82cdadf216e9c5d2de329b1098e9c3e8417633587c3e5c6