[INFO] fetching crate vial 0.1.7...
[INFO] checking vial-0.1.7 against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] extracting crate vial 0.1.7 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate vial 0.1.7 on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vial 0.1.7
[INFO] removed 6 missing examples
[INFO] finished tweaking crates.io crate vial 0.1.7
[INFO] tweaked toml for crates.io crate vial 0.1.7 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate vial 0.1.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "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] 0a73bf1f07df230dab6eff09eca69a1d04d7d67d13b043aea55744a1dac2b943
[INFO] running `Command { std: "docker" "start" "-a" "0a73bf1f07df230dab6eff09eca69a1d04d7d67d13b043aea55744a1dac2b943", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a73bf1f07df230dab6eff09eca69a1d04d7d67d13b043aea55744a1dac2b943", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a73bf1f07df230dab6eff09eca69a1d04d7d67d13b043aea55744a1dac2b943", kill_on_drop: false }`
[INFO] [stdout] 0a73bf1f07df230dab6eff09eca69a1d04d7d67d13b043aea55744a1dac2b943
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd18a0c03731aed6e041b3d76bfab01722cf7ad4086bde3f8f4ce7480d8ea56a
[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" "cd18a0c03731aed6e041b3d76bfab01722cf7ad4086bde3f8f4ce7480d8ea56a", kill_on_drop: false }`
[INFO] [stderr]    Compiling vial v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking libc-strftime v0.2.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.33s
[INFO] running `Command { std: "docker" "inspect" "cd18a0c03731aed6e041b3d76bfab01722cf7ad4086bde3f8f4ce7480d8ea56a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd18a0c03731aed6e041b3d76bfab01722cf7ad4086bde3f8f4ce7480d8ea56a", kill_on_drop: false }`
[INFO] [stdout] cd18a0c03731aed6e041b3d76bfab01722cf7ad4086bde3f8f4ce7480d8ea56a