[INFO] fetching crate reman 0.3.0...
[INFO] checking reman-0.3.0 against beta for pr-78714
[INFO] extracting crate reman 0.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate reman 0.3.0 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 reman 0.3.0
[INFO] finished tweaking crates.io crate reman 0.3.0
[INFO] tweaked toml for crates.io crate reman 0.3.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate reman 0.3.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 269b43df0645b900cfc0b6070717d2f5367b44a6edb01c86f57b6e060a539a3d
[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" "269b43df0645b900cfc0b6070717d2f5367b44a6edb01c86f57b6e060a539a3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "269b43df0645b900cfc0b6070717d2f5367b44a6edb01c86f57b6e060a539a3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "269b43df0645b900cfc0b6070717d2f5367b44a6edb01c86f57b6e060a539a3d", kill_on_drop: false }`
[INFO] [stdout] 269b43df0645b900cfc0b6070717d2f5367b44a6edb01c86f57b6e060a539a3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] a7d5cb4d4d972f8c2f5de635239ca8c96260b7c68a76f7b0991ab1d6275dfa80
[INFO] running `Command { std: "docker" "start" "-a" "a7d5cb4d4d972f8c2f5de635239ca8c96260b7c68a76f7b0991ab1d6275dfa80", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking tui v0.9.1
[INFO] [stderr]     Checking reman v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.28s
[INFO] running `Command { std: "docker" "inspect" "a7d5cb4d4d972f8c2f5de635239ca8c96260b7c68a76f7b0991ab1d6275dfa80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7d5cb4d4d972f8c2f5de635239ca8c96260b7c68a76f7b0991ab1d6275dfa80", kill_on_drop: false }`
[INFO] [stdout] a7d5cb4d4d972f8c2f5de635239ca8c96260b7c68a76f7b0991ab1d6275dfa80