[INFO] fetching crate cargo-hack 0.4.3...
[INFO] checking cargo-hack-0.4.3 against beta for pr-78714
[INFO] extracting crate cargo-hack 0.4.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cargo-hack 0.4.3 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 cargo-hack 0.4.3
[INFO] finished tweaking crates.io crate cargo-hack 0.4.3
[INFO] tweaked toml for crates.io crate cargo-hack 0.4.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate cargo-hack 0.4.3 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] 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" "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] 7a84fe9b4ba54466cfe6dadf433f45117a6555ad4297d42f3a2e3aace9e9b39d
[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" "7a84fe9b4ba54466cfe6dadf433f45117a6555ad4297d42f3a2e3aace9e9b39d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a84fe9b4ba54466cfe6dadf433f45117a6555ad4297d42f3a2e3aace9e9b39d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a84fe9b4ba54466cfe6dadf433f45117a6555ad4297d42f3a2e3aace9e9b39d", kill_on_drop: false }`
[INFO] [stdout] 7a84fe9b4ba54466cfe6dadf433f45117a6555ad4297d42f3a2e3aace9e9b39d
[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" "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] 3a712a89687852c7daa8e024e7d6ce9843183a33b821f476ec6e1f22e1fc6127
[INFO] running `Command { std: "docker" "start" "-a" "3a712a89687852c7daa8e024e7d6ce9843183a33b821f476ec6e1f22e1fc6127", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking ctrlc v3.1.7
[INFO] [stderr]    Compiling easy-ext v0.2.3
[INFO] [stderr]     Checking cargo-hack v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.95s
[INFO] running `Command { std: "docker" "inspect" "3a712a89687852c7daa8e024e7d6ce9843183a33b821f476ec6e1f22e1fc6127", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a712a89687852c7daa8e024e7d6ce9843183a33b821f476ec6e1f22e1fc6127", kill_on_drop: false }`
[INFO] [stdout] 3a712a89687852c7daa8e024e7d6ce9843183a33b821f476ec6e1f22e1fc6127