[INFO] cloning repository https://github.com/MontyD/range-helpers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MontyD/range-helpers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMontyD%2Frange-helpers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMontyD%2Frange-helpers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 62f68e9c22216f1f1058590b4278580566f3503d
[INFO] checking MontyD/range-helpers against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMontyD%2Frange-helpers" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MontyD/range-helpers on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MontyD/range-helpers
[INFO] finished tweaking git repo https://github.com/MontyD/range-helpers
[INFO] tweaked toml for git repo https://github.com/MontyD/range-helpers written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/MontyD/range-helpers already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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] 64109d32b6c259c814efb3553757126e772b1ba2a536f8a591a2cc4e74acb259
[INFO] running `Command { std: "docker" "start" "-a" "64109d32b6c259c814efb3553757126e772b1ba2a536f8a591a2cc4e74acb259", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64109d32b6c259c814efb3553757126e772b1ba2a536f8a591a2cc4e74acb259", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64109d32b6c259c814efb3553757126e772b1ba2a536f8a591a2cc4e74acb259", kill_on_drop: false }`
[INFO] [stdout] 64109d32b6c259c814efb3553757126e772b1ba2a536f8a591a2cc4e74acb259
[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" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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] 876644b70712d27b4ce2f090245d16055cbcafca90e5f74c351685f5480268e9
[INFO] running `Command { std: "docker" "start" "-a" "876644b70712d27b4ce2f090245d16055cbcafca90e5f74c351685f5480268e9", kill_on_drop: false }`
[INFO] [stderr]     Checking sorted_ranges v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "876644b70712d27b4ce2f090245d16055cbcafca90e5f74c351685f5480268e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "876644b70712d27b4ce2f090245d16055cbcafca90e5f74c351685f5480268e9", kill_on_drop: false }`
[INFO] [stdout] 876644b70712d27b4ce2f090245d16055cbcafca90e5f74c351685f5480268e9