[INFO] fetching crate count_occurences 1.0.0...
[INFO] checking count_occurences-1.0.0 against beta for pr-78714
[INFO] extracting crate count_occurences 1.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate count_occurences 1.0.0 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 count_occurences 1.0.0
[INFO] finished tweaking crates.io crate count_occurences 1.0.0
[INFO] tweaked toml for crates.io crate count_occurences 1.0.0 written to /workspace/builds/worker-2/source/Cargo.toml
[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] [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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0745aa71dfc97b0581bbcf0f6908f481264a97d595dcc8ba1c4056c058d9d3cf
[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" "0745aa71dfc97b0581bbcf0f6908f481264a97d595dcc8ba1c4056c058d9d3cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0745aa71dfc97b0581bbcf0f6908f481264a97d595dcc8ba1c4056c058d9d3cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0745aa71dfc97b0581bbcf0f6908f481264a97d595dcc8ba1c4056c058d9d3cf", kill_on_drop: false }`
[INFO] [stdout] 0745aa71dfc97b0581bbcf0f6908f481264a97d595dcc8ba1c4056c058d9d3cf
[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] [stdout] fa4e17f667441b6c9e7f9a7828e5b7da800694c366cc295dd519523aeb09c133
[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" "fa4e17f667441b6c9e7f9a7828e5b7da800694c366cc295dd519523aeb09c133", kill_on_drop: false }`
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking count_occurences v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "fa4e17f667441b6c9e7f9a7828e5b7da800694c366cc295dd519523aeb09c133", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa4e17f667441b6c9e7f9a7828e5b7da800694c366cc295dd519523aeb09c133", kill_on_drop: false }`
[INFO] [stdout] fa4e17f667441b6c9e7f9a7828e5b7da800694c366cc295dd519523aeb09c133