[INFO] crate vial 0.1.1 is already in cache
[INFO] checking vial-0.1.1 against master#e22b61bff0bdd08be7665607cb7be3748c8a35d2 for pr-74627
[INFO] extracting crate vial 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate vial 0.1.1 on toolchain e22b61bff0bdd08be7665607cb7be3748c8a35d2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vial 0.1.1
[INFO] removed 3 missing examples
[INFO] finished tweaking crates.io crate vial 0.1.1
[INFO] tweaked toml for crates.io crate vial 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate vial 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "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] 188120cbc08d5d3149063d93e2a3cd9591c8eed68e6229a8c76f31be8d8ac1b3
[INFO] running `Command { std: "docker" "start" "-a" "188120cbc08d5d3149063d93e2a3cd9591c8eed68e6229a8c76f31be8d8ac1b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "188120cbc08d5d3149063d93e2a3cd9591c8eed68e6229a8c76f31be8d8ac1b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "188120cbc08d5d3149063d93e2a3cd9591c8eed68e6229a8c76f31be8d8ac1b3", kill_on_drop: false }`
[INFO] [stdout] 188120cbc08d5d3149063d93e2a3cd9591c8eed68e6229a8c76f31be8d8ac1b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "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] 24dcd56b9fce09c8b85903a39038d12fac0f5f2cc6076c4a8ddc1b8e62dba395
[INFO] running `Command { std: "docker" "start" "-a" "24dcd56b9fce09c8b85903a39038d12fac0f5f2cc6076c4a8ddc1b8e62dba395", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling vial v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking percent-encoding v2.1.0
[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 4.64s
[INFO] running `Command { std: "docker" "inspect" "24dcd56b9fce09c8b85903a39038d12fac0f5f2cc6076c4a8ddc1b8e62dba395", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24dcd56b9fce09c8b85903a39038d12fac0f5f2cc6076c4a8ddc1b8e62dba395", kill_on_drop: false }`
[INFO] [stdout] 24dcd56b9fce09c8b85903a39038d12fac0f5f2cc6076c4a8ddc1b8e62dba395