[INFO] fetching crate num_x 0.2.2...
[INFO] checking num_x-0.2.2 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate num_x 0.2.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate num_x 0.2.2 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate num_x 0.2.2
[INFO] finished tweaking crates.io crate num_x 0.2.2
[INFO] tweaked toml for crates.io crate num_x 0.2.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d57aec38f63c14357fb430c8d6c0a46935846bbc2c6d5f1ecf035036a4a34df
[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" "3d57aec38f63c14357fb430c8d6c0a46935846bbc2c6d5f1ecf035036a4a34df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d57aec38f63c14357fb430c8d6c0a46935846bbc2c6d5f1ecf035036a4a34df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d57aec38f63c14357fb430c8d6c0a46935846bbc2c6d5f1ecf035036a4a34df", kill_on_drop: false }`
[INFO] [stdout] 3d57aec38f63c14357fb430c8d6c0a46935846bbc2c6d5f1ecf035036a4a34df
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91830e0f58ae60bb2baf816b9b338f01126c3c62e2c09f6dc5de370ae06019f1
[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" "91830e0f58ae60bb2baf816b9b338f01126c3c62e2c09f6dc5de370ae06019f1", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking num_x v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.63s
[INFO] running `Command { std: "docker" "inspect" "91830e0f58ae60bb2baf816b9b338f01126c3c62e2c09f6dc5de370ae06019f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91830e0f58ae60bb2baf816b9b338f01126c3c62e2c09f6dc5de370ae06019f1", kill_on_drop: false }`
[INFO] [stdout] 91830e0f58ae60bb2baf816b9b338f01126c3c62e2c09f6dc5de370ae06019f1
