[INFO] cloning repository https://github.com/thechubbypanda/primes-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thechubbypanda/primes-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthechubbypanda%2Fprimes-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthechubbypanda%2Fprimes-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 414dcf9cdd0d9d3f450e4c0d643716c020b61f82
[INFO] checking thechubbypanda/primes-rust against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthechubbypanda%2Fprimes-rust" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thechubbypanda/primes-rust on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thechubbypanda/primes-rust
[INFO] finished tweaking git repo https://github.com/thechubbypanda/primes-rust
[INFO] tweaked toml for git repo https://github.com/thechubbypanda/primes-rust written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/thechubbypanda/primes-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a46fea4230bd1d5f0b3f8253c7448424bd3a7213e4ce972e8f1dedb7a946c053
[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" "a46fea4230bd1d5f0b3f8253c7448424bd3a7213e4ce972e8f1dedb7a946c053", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a46fea4230bd1d5f0b3f8253c7448424bd3a7213e4ce972e8f1dedb7a946c053", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a46fea4230bd1d5f0b3f8253c7448424bd3a7213e4ce972e8f1dedb7a946c053", kill_on_drop: false }`
[INFO] [stdout] a46fea4230bd1d5f0b3f8253c7448424bd3a7213e4ce972e8f1dedb7a946c053
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 587176b13bfe089ea39c807c0b2f066bf498f336db4755f0e68a9d27d84071be
[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" "587176b13bfe089ea39c807c0b2f066bf498f336db4755f0e68a9d27d84071be", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-primes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "587176b13bfe089ea39c807c0b2f066bf498f336db4755f0e68a9d27d84071be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "587176b13bfe089ea39c807c0b2f066bf498f336db4755f0e68a9d27d84071be", kill_on_drop: false }`
[INFO] [stdout] 587176b13bfe089ea39c807c0b2f066bf498f336db4755f0e68a9d27d84071be