[INFO] cloning repository https://github.com/Padrition/Rust_file_manipulation
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Padrition/Rust_file_manipulation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPadrition%2FRust_file_manipulation", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPadrition%2FRust_file_manipulation'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7cf221cb8fecab44995a271e4d6b975042ce5991
[INFO] testing Padrition/Rust_file_manipulation against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPadrition%2FRust_file_manipulation" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Padrition/Rust_file_manipulation on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Padrition/Rust_file_manipulation
[INFO] finished tweaking git repo https://github.com/Padrition/Rust_file_manipulation
[INFO] tweaked toml for git repo https://github.com/Padrition/Rust_file_manipulation written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Padrition/Rust_file_manipulation already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9aee0e8b112ebe87f3ba1aadcddc6fbe5fd838edd4f6e0b70fdf7f53173dd67
[INFO] running `Command { std: "docker" "start" "-a" "d9aee0e8b112ebe87f3ba1aadcddc6fbe5fd838edd4f6e0b70fdf7f53173dd67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9aee0e8b112ebe87f3ba1aadcddc6fbe5fd838edd4f6e0b70fdf7f53173dd67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9aee0e8b112ebe87f3ba1aadcddc6fbe5fd838edd4f6e0b70fdf7f53173dd67", kill_on_drop: false }`
[INFO] [stdout] d9aee0e8b112ebe87f3ba1aadcddc6fbe5fd838edd4f6e0b70fdf7f53173dd67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f44dc9ed3b81c4f659838c22de6638269bcca6441733d5718ed44d0004be011
[INFO] running `Command { std: "docker" "start" "-a" "7f44dc9ed3b81c4f659838c22de6638269bcca6441733d5718ed44d0004be011", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling file v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `one_in`
[INFO] [stdout]  --> src/main.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn one_in(n: u32) -> bool{
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.97s
[INFO] running `Command { std: "docker" "inspect" "7f44dc9ed3b81c4f659838c22de6638269bcca6441733d5718ed44d0004be011", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f44dc9ed3b81c4f659838c22de6638269bcca6441733d5718ed44d0004be011", kill_on_drop: false }`
[INFO] [stdout] 7f44dc9ed3b81c4f659838c22de6638269bcca6441733d5718ed44d0004be011
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4518ff073ed0505bde63556cdfc0a3a548beef0b3d7ac4c0575e2a43a4e8b7ff
[INFO] running `Command { std: "docker" "start" "-a" "4518ff073ed0505bde63556cdfc0a3a548beef0b3d7ac4c0575e2a43a4e8b7ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling file v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `one_in`
[INFO] [stdout]  --> src/main.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn one_in(n: u32) -> bool{
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "4518ff073ed0505bde63556cdfc0a3a548beef0b3d7ac4c0575e2a43a4e8b7ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4518ff073ed0505bde63556cdfc0a3a548beef0b3d7ac4c0575e2a43a4e8b7ff", kill_on_drop: false }`
[INFO] [stdout] 4518ff073ed0505bde63556cdfc0a3a548beef0b3d7ac4c0575e2a43a4e8b7ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0cdc2c7ed0f65a60b8d6d185970a55f36047362a958188aed21ced69adfcbb9d
[INFO] running `Command { std: "docker" "start" "-a" "0cdc2c7ed0f65a60b8d6d185970a55f36047362a958188aed21ced69adfcbb9d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: function is never used: `one_in`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:8:4
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 8 | fn one_in(n: u32) -> bool{
[INFO] [stdout] 
[INFO] [stderr]   |    ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `file` (bin "file" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/file-53eda56237e7813d)
[INFO] running `Command { std: "docker" "inspect" "0cdc2c7ed0f65a60b8d6d185970a55f36047362a958188aed21ced69adfcbb9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cdc2c7ed0f65a60b8d6d185970a55f36047362a958188aed21ced69adfcbb9d", kill_on_drop: false }`
[INFO] [stdout] 0cdc2c7ed0f65a60b8d6d185970a55f36047362a958188aed21ced69adfcbb9d