[INFO] fetching crate qcv 0.2.0...
[INFO] checking qcv-0.2.0 against beta for pr-78714
[INFO] extracting crate qcv 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate qcv 0.2.0 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 qcv 0.2.0
[INFO] finished tweaking crates.io crate qcv 0.2.0
[INFO] tweaked toml for crates.io crate qcv 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate qcv 0.2.0 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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 08aaf68a6c9c403e7c0589f47757bb2a9b2a120377038fa4565216f53afbf550
[INFO] running `Command { std: "docker" "start" "-a" "08aaf68a6c9c403e7c0589f47757bb2a9b2a120377038fa4565216f53afbf550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08aaf68a6c9c403e7c0589f47757bb2a9b2a120377038fa4565216f53afbf550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08aaf68a6c9c403e7c0589f47757bb2a9b2a120377038fa4565216f53afbf550", kill_on_drop: false }`
[INFO] [stdout] 08aaf68a6c9c403e7c0589f47757bb2a9b2a120377038fa4565216f53afbf550
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 9c506e6c8ed83ddd0b4bc827b84a22393c88aa88f62682aaee7bca780b29cf01
[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" "9c506e6c8ed83ddd0b4bc827b84a22393c88aa88f62682aaee7bca780b29cf01", kill_on_drop: false }`
[INFO] [stderr]    Compiling adler32 v1.1.0
[INFO] [stderr]     Checking libflate v0.1.27
[INFO] [stderr]    Compiling rust-embed-utils v5.0.0
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]    Compiling rust-embed-impl v5.5.1
[INFO] [stderr]    Compiling include-flate-codegen v0.1.3
[INFO] [stderr]     Checking include-flate-codegen-exports v0.1.3
[INFO] [stderr]     Checking include-flate v0.1.3
[INFO] [stderr]     Checking rust-embed v5.5.1
[INFO] [stderr]     Checking serde_json v1.0.56
[INFO] [stderr]     Checking qcv v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.69s
[INFO] running `Command { std: "docker" "inspect" "9c506e6c8ed83ddd0b4bc827b84a22393c88aa88f62682aaee7bca780b29cf01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c506e6c8ed83ddd0b4bc827b84a22393c88aa88f62682aaee7bca780b29cf01", kill_on_drop: false }`
[INFO] [stdout] 9c506e6c8ed83ddd0b4bc827b84a22393c88aa88f62682aaee7bca780b29cf01