[INFO] fetching crate lcov-util 0.1.5...
[INFO] checking lcov-util-0.1.5 against beta for pr-78714
[INFO] extracting crate lcov-util 0.1.5 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate lcov-util 0.1.5 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 lcov-util 0.1.5
[INFO] finished tweaking crates.io crate lcov-util 0.1.5
[INFO] tweaked toml for crates.io crate lcov-util 0.1.5 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate lcov-util 0.1.5 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-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] [stdout] f1e6f4608b65be15bb5c3eaf022bfcd67c45dd227f3df4c3b65f6508c282e853
[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" "f1e6f4608b65be15bb5c3eaf022bfcd67c45dd227f3df4c3b65f6508c282e853", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1e6f4608b65be15bb5c3eaf022bfcd67c45dd227f3df4c3b65f6508c282e853", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1e6f4608b65be15bb5c3eaf022bfcd67c45dd227f3df4c3b65f6508c282e853", kill_on_drop: false }`
[INFO] [stdout] f1e6f4608b65be15bb5c3eaf022bfcd67c45dd227f3df4c3b65f6508c282e853
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4c6bdf5dbb6ac5dcd0a1cb0c2ce7074677bad07f0657637c0f99816fddcb9f49
[INFO] running `Command { std: "docker" "start" "-a" "4c6bdf5dbb6ac5dcd0a1cb0c2ce7074677bad07f0657637c0f99816fddcb9f49", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking lcov v0.6.0
[INFO] [stderr]     Checking structopt v0.3.15
[INFO] [stderr]     Checking lcov-util v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.83s
[INFO] running `Command { std: "docker" "inspect" "4c6bdf5dbb6ac5dcd0a1cb0c2ce7074677bad07f0657637c0f99816fddcb9f49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c6bdf5dbb6ac5dcd0a1cb0c2ce7074677bad07f0657637c0f99816fddcb9f49", kill_on_drop: false }`
[INFO] [stdout] 4c6bdf5dbb6ac5dcd0a1cb0c2ce7074677bad07f0657637c0f99816fddcb9f49