[INFO] fetching crate emver 0.1.0...
[INFO] checking emver-0.1.0 against beta for pr-78714
[INFO] extracting crate emver 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate emver 0.1.0 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 emver 0.1.0
[INFO] finished tweaking crates.io crate emver 0.1.0
[INFO] tweaked toml for crates.io crate emver 0.1.0 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] 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] 1439f8f2e0a07ca5dbb70f972bae42eb2ff7700579e4e8d3db3d5bef14398674
[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" "1439f8f2e0a07ca5dbb70f972bae42eb2ff7700579e4e8d3db3d5bef14398674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1439f8f2e0a07ca5dbb70f972bae42eb2ff7700579e4e8d3db3d5bef14398674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1439f8f2e0a07ca5dbb70f972bae42eb2ff7700579e4e8d3db3d5bef14398674", kill_on_drop: false }`
[INFO] [stdout] 1439f8f2e0a07ca5dbb70f972bae42eb2ff7700579e4e8d3db3d5bef14398674
[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] e5909e3552ed07cf2f947f280de6ee31dd430dac2165c081b55fc6572987181c
[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" "e5909e3552ed07cf2f947f280de6ee31dd430dac2165c081b55fc6572987181c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]     Checking funty v1.0.1
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking tap v1.0.0
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]    Compiling nom v6.0.0
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking fp-core v0.1.9
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking bitvec v0.19.4
[INFO] [stderr]     Checking proptest v0.10.1
[INFO] [stderr]     Checking emver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.17s
[INFO] running `Command { std: "docker" "inspect" "e5909e3552ed07cf2f947f280de6ee31dd430dac2165c081b55fc6572987181c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5909e3552ed07cf2f947f280de6ee31dd430dac2165c081b55fc6572987181c", kill_on_drop: false }`
[INFO] [stdout] e5909e3552ed07cf2f947f280de6ee31dd430dac2165c081b55fc6572987181c