[INFO] cloning repository https://github.com/Loliburta/rust_sandbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Loliburta/rust_sandbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLoliburta%2Frust_sandbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLoliburta%2Frust_sandbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2092aa65d22110e85e5b971406c17d87904f3946
[INFO] testing Loliburta/rust_sandbox against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLoliburta%2Frust_sandbox" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Loliburta/rust_sandbox on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Loliburta/rust_sandbox
[INFO] finished tweaking git repo https://github.com/Loliburta/rust_sandbox
[INFO] tweaked toml for git repo https://github.com/Loliburta/rust_sandbox written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/Loliburta/rust_sandbox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d947035bc9552e312efdb340f9b899b8dd450cd95440afd5b0bd8612481b565
[INFO] running `Command { std: "docker" "start" "-a" "8d947035bc9552e312efdb340f9b899b8dd450cd95440afd5b0bd8612481b565", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d947035bc9552e312efdb340f9b899b8dd450cd95440afd5b0bd8612481b565", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d947035bc9552e312efdb340f9b899b8dd450cd95440afd5b0bd8612481b565", kill_on_drop: false }`
[INFO] [stdout] 8d947035bc9552e312efdb340f9b899b8dd450cd95440afd5b0bd8612481b565
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d2d42d37829c8cc61000fc65f73317f631266bcbc5f0f096319002e53785017
[INFO] running `Command { std: "docker" "start" "-a" "2d2d42d37829c8cc61000fc65f73317f631266bcbc5f0f096319002e53785017", kill_on_drop: false }`
[INFO] [stderr]    Compiling p1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `rand`
[INFO] [stdout]  --> src/projects/guessing_game.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::Rng; // from rand dependencies crate
[INFO] [stdout]   |     ^^^^ use of undeclared crate or module `rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rand`
[INFO] [stdout]  --> src/projects/guessing_game.rs:7:25
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let secret_number = rand::thread_rng().gen_range(1..101);
[INFO] [stdout]   |                         ^^^^ use of undeclared crate or module `rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `p1` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "2d2d42d37829c8cc61000fc65f73317f631266bcbc5f0f096319002e53785017", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d2d42d37829c8cc61000fc65f73317f631266bcbc5f0f096319002e53785017", kill_on_drop: false }`
[INFO] [stdout] 2d2d42d37829c8cc61000fc65f73317f631266bcbc5f0f096319002e53785017