[INFO] cloning repository https://github.com/usmansaleem/rust_guessing_game
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/usmansaleem/rust_guessing_game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fusmansaleem%2Frust_guessing_game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fusmansaleem%2Frust_guessing_game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bf8077e5c16c2a12f217f0348778f6e1991b1804
[INFO] checking usmansaleem/rust_guessing_game against master#0dce3f606e05cffab7361c132a399d3550ab0df8 for pr-78376
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fusmansaleem%2Frust_guessing_game" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/usmansaleem/rust_guessing_game on toolchain 0dce3f606e05cffab7361c132a399d3550ab0df8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/usmansaleem/rust_guessing_game
[INFO] finished tweaking git repo https://github.com/usmansaleem/rust_guessing_game
[INFO] tweaked toml for git repo https://github.com/usmansaleem/rust_guessing_game written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/usmansaleem/rust_guessing_game already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d3485e31682641c2031567e174c6e6d04df42da38ee1d3be62889ee3d0ed1b0
[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" "5d3485e31682641c2031567e174c6e6d04df42da38ee1d3be62889ee3d0ed1b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d3485e31682641c2031567e174c6e6d04df42da38ee1d3be62889ee3d0ed1b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d3485e31682641c2031567e174c6e6d04df42da38ee1d3be62889ee3d0ed1b0", kill_on_drop: false }`
[INFO] [stdout] 5d3485e31682641c2031567e174c6e6d04df42da38ee1d3be62889ee3d0ed1b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12bc98a63bf5ab09e612410f029f301486e6bf3a3b6756aa0fbb41e052fd307c
[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" "12bc98a63bf5ab09e612410f029f301486e6bf3a3b6756aa0fbb41e052fd307c", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.77s
[INFO] running `Command { std: "docker" "inspect" "12bc98a63bf5ab09e612410f029f301486e6bf3a3b6756aa0fbb41e052fd307c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12bc98a63bf5ab09e612410f029f301486e6bf3a3b6756aa0fbb41e052fd307c", kill_on_drop: false }`
[INFO] [stdout] 12bc98a63bf5ab09e612410f029f301486e6bf3a3b6756aa0fbb41e052fd307c