[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-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr281GQ%2Fbottles_rust" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/r281GQ/bottles_rust on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", 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-8/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-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ad4973a028c0bf2d9f5c64e231df7d31bebe1a692a66cc1dc11c7a64e6eb4df
[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" "4ad4973a028c0bf2d9f5c64e231df7d31bebe1a692a66cc1dc11c7a64e6eb4df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ad4973a028c0bf2d9f5c64e231df7d31bebe1a692a66cc1dc11c7a64e6eb4df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ad4973a028c0bf2d9f5c64e231df7d31bebe1a692a66cc1dc11c7a64e6eb4df", kill_on_drop: false }`
[INFO] [stdout] 4ad4973a028c0bf2d9f5c64e231df7d31bebe1a692a66cc1dc11c7a64e6eb4df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ded819c8a8d1ac1cf0ddeb01a4379b29020321348bb275c64f78b35c3aa30db6
[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" "ded819c8a8d1ac1cf0ddeb01a4379b29020321348bb275c64f78b35c3aa30db6", kill_on_drop: false }`
[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 0.54s
[INFO] running `Command { std: "docker" "inspect" "ded819c8a8d1ac1cf0ddeb01a4379b29020321348bb275c64f78b35c3aa30db6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ded819c8a8d1ac1cf0ddeb01a4379b29020321348bb275c64f78b35c3aa30db6", kill_on_drop: false }`
[INFO] [stdout] ded819c8a8d1ac1cf0ddeb01a4379b29020321348bb275c64f78b35c3aa30db6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc4e80d1cc2fabda557ac362927cbb15ec9dd80f30b134251d9953cd056e731a
[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" "bc4e80d1cc2fabda557ac362927cbb15ec9dd80f30b134251d9953cd056e731a", kill_on_drop: false }`
[INFO] [stderr]    Compiling bottles_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "bc4e80d1cc2fabda557ac362927cbb15ec9dd80f30b134251d9953cd056e731a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc4e80d1cc2fabda557ac362927cbb15ec9dd80f30b134251d9953cd056e731a", kill_on_drop: false }`
[INFO] [stdout] bc4e80d1cc2fabda557ac362927cbb15ec9dd80f30b134251d9953cd056e731a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c87d73d0e81db4ff4cc8836770ed32b07e4bcce2c013903555ce13d55cbf1e25
[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" "c87d73d0e81db4ff4cc8836770ed32b07e4bcce2c013903555ce13d55cbf1e25", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bottles_rust-2aa6edef7daceba1
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::test_a_couple_of_verses ... 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_another_verse ... ok
[INFO] [stdout] test tests::test_a_few_verses ... ok
[INFO] [stdout] test tests::test_the_whole_song ... ok
[INFO] [stdout] test tests::test_the_first_verse ... ok
[INFO] [stdout] test tests::test_the_verse_0 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c87d73d0e81db4ff4cc8836770ed32b07e4bcce2c013903555ce13d55cbf1e25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c87d73d0e81db4ff4cc8836770ed32b07e4bcce2c013903555ce13d55cbf1e25", kill_on_drop: false }`
[INFO] [stdout] c87d73d0e81db4ff4cc8836770ed32b07e4bcce2c013903555ce13d55cbf1e25