[INFO] cloning repository https://github.com/LucienVen/rust_guessing_number_demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LucienVen/rust_guessing_number_demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLucienVen%2Frust_guessing_number_demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLucienVen%2Frust_guessing_number_demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1997725e14702e503014b3c1338ba94606a6c0da
[INFO] checking LucienVen/rust_guessing_number_demo against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLucienVen%2Frust_guessing_number_demo" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LucienVen/rust_guessing_number_demo on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LucienVen/rust_guessing_number_demo
[INFO] finished tweaking git repo https://github.com/LucienVen/rust_guessing_number_demo
[INFO] tweaked toml for git repo https://github.com/LucienVen/rust_guessing_number_demo written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/LucienVen/rust_guessing_number_demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "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] fe64965e52c1d9cf59ffbe9f7a06953802e158ffe6995c433d7d91d335331739
[INFO] running `Command { std: "docker" "start" "-a" "fe64965e52c1d9cf59ffbe9f7a06953802e158ffe6995c433d7d91d335331739", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe64965e52c1d9cf59ffbe9f7a06953802e158ffe6995c433d7d91d335331739", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe64965e52c1d9cf59ffbe9f7a06953802e158ffe6995c433d7d91d335331739", kill_on_drop: false }`
[INFO] [stdout] fe64965e52c1d9cf59ffbe9f7a06953802e158ffe6995c433d7d91d335331739
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "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] b55ddff4226a4620c1157b101a4172f25b1753812ee86ead5436d17cdeae1f5c
[INFO] running `Command { std: "docker" "start" "-a" "b55ddff4226a4620c1157b101a4172f25b1753812ee86ead5436d17cdeae1f5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.03s
[INFO] running `Command { std: "docker" "inspect" "b55ddff4226a4620c1157b101a4172f25b1753812ee86ead5436d17cdeae1f5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b55ddff4226a4620c1157b101a4172f25b1753812ee86ead5436d17cdeae1f5c", kill_on_drop: false }`
[INFO] [stdout] b55ddff4226a4620c1157b101a4172f25b1753812ee86ead5436d17cdeae1f5c