[INFO] cloning repository https://github.com/r281GQ/bottles_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/r281GQ/bottles_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr281GQ%2Fbottles_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr281GQ%2Fbottles_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 35f9d5619678fd68f52e3dd29e0431b8ad1ff444
[INFO] testing r281GQ/bottles_rust 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%2Fr281GQ%2Fbottles_rust" "/workspace/builds/worker-89/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-89/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/r281GQ/bottles_rust 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/r281GQ/bottles_rust
[INFO] finished tweaking git repo https://github.com/r281GQ/bottles_rust
[INFO] tweaked toml for git repo https://github.com/r281GQ/bottles_rust written to /workspace/builds/worker-89/source/Cargo.toml
[INFO] crate git repo https://github.com/r281GQ/bottles_rust 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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] 7c6299b54bd80a485e0e5757560e9bd22a8e9ff970b59760b851e5c3df0ed358
[INFO] running `Command { std: "docker" "start" "-a" "7c6299b54bd80a485e0e5757560e9bd22a8e9ff970b59760b851e5c3df0ed358", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c6299b54bd80a485e0e5757560e9bd22a8e9ff970b59760b851e5c3df0ed358", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c6299b54bd80a485e0e5757560e9bd22a8e9ff970b59760b851e5c3df0ed358", kill_on_drop: false }`
[INFO] [stdout] 7c6299b54bd80a485e0e5757560e9bd22a8e9ff970b59760b851e5c3df0ed358
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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] dcbfe0f8dbe321ca1c8d339f057452398dd90b01c0352d031f3f1fc747a8cbb1
[INFO] running `Command { std: "docker" "start" "-a" "dcbfe0f8dbe321ca1c8d339f057452398dd90b01c0352d031f3f1fc747a8cbb1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bottles_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `create_verse`
[INFO] [stdout]  --> src/song.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn create_verse(from: i32) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_verses`
[INFO] [stdout]   --> src/song.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn create_verses(from: i32, to: i32) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "dcbfe0f8dbe321ca1c8d339f057452398dd90b01c0352d031f3f1fc747a8cbb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcbfe0f8dbe321ca1c8d339f057452398dd90b01c0352d031f3f1fc747a8cbb1", kill_on_drop: false }`
[INFO] [stdout] dcbfe0f8dbe321ca1c8d339f057452398dd90b01c0352d031f3f1fc747a8cbb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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] 70ed16905f0f416824cf09ba4f1f5f03fb997f7961859f6691fe8f445a00aa95
[INFO] running `Command { std: "docker" "start" "-a" "70ed16905f0f416824cf09ba4f1f5f03fb997f7961859f6691fe8f445a00aa95", kill_on_drop: false }`
[INFO] [stderr]    Compiling bottles_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "70ed16905f0f416824cf09ba4f1f5f03fb997f7961859f6691fe8f445a00aa95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70ed16905f0f416824cf09ba4f1f5f03fb997f7961859f6691fe8f445a00aa95", kill_on_drop: false }`
[INFO] [stdout] 70ed16905f0f416824cf09ba4f1f5f03fb997f7961859f6691fe8f445a00aa95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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] 2248242c0e6434e2b2cb1f256e8439b3e64eccce7ae6f2ec6a763a464eabe7aa
[INFO] running `Command { std: "docker" "start" "-a" "2248242c0e6434e2b2cb1f256e8439b3e64eccce7ae6f2ec6a763a464eabe7aa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bottles_rust-7dd116bcb22f71c4)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::test_a_couple_of_verses ... ok
[INFO] [stdout] test tests::test_a_few_verses ... ok
[INFO] [stdout] test tests::test_the_another_verse ... ok
[INFO] [stdout] test tests::test_the_first_verse ... ok
[INFO] [stdout] test tests::test_the_verse_0 ... ok
[INFO] [stdout] test tests::test_the_verse_1 ... ok
[INFO] [stdout] test tests::test_the_verse_2 ... ok
[INFO] [stdout] test tests::test_the_whole_song ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2248242c0e6434e2b2cb1f256e8439b3e64eccce7ae6f2ec6a763a464eabe7aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2248242c0e6434e2b2cb1f256e8439b3e64eccce7ae6f2ec6a763a464eabe7aa", kill_on_drop: false }`
[INFO] [stdout] 2248242c0e6434e2b2cb1f256e8439b3e64eccce7ae6f2ec6a763a464eabe7aa