[INFO] cloning repository https://github.com/f0x52/rust_bar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/f0x52/rust_bar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ff0x52%2Frust_bar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ff0x52%2Frust_bar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 04b4f096090e2ae58a252c84aef616c8d85aa9a5
[INFO] testing f0x52/rust_bar 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%2Ff0x52%2Frust_bar" "/workspace/builds/worker-72/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-72/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/f0x52/rust_bar 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/f0x52/rust_bar
[INFO] finished tweaking git repo https://github.com/f0x52/rust_bar
[INFO] tweaked toml for git repo https://github.com/f0x52/rust_bar written to /workspace/builds/worker-72/source/Cargo.toml
[INFO] crate git repo https://github.com/f0x52/rust_bar 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-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] 55f22a74436f12ff61ae5ba9e9f6512d626c61e1fc051a0df527134c684b6f50
[INFO] running `Command { std: "docker" "start" "-a" "55f22a74436f12ff61ae5ba9e9f6512d626c61e1fc051a0df527134c684b6f50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55f22a74436f12ff61ae5ba9e9f6512d626c61e1fc051a0df527134c684b6f50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55f22a74436f12ff61ae5ba9e9f6512d626c61e1fc051a0df527134c684b6f50", kill_on_drop: false }`
[INFO] [stdout] 55f22a74436f12ff61ae5ba9e9f6512d626c61e1fc051a0df527134c684b6f50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] 359de9ca6696cb5a4aad98573f615054aba4650fde0e0306850c72ae3e5dea6f
[INFO] running `Command { std: "docker" "start" "-a" "359de9ca6696cb5a4aad98573f615054aba4650fde0e0306850c72ae3e5dea6f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.33
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling regex-syntax v0.4.1
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling shellexpand v1.0.0
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling regex v0.2.3
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling rust_bar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `re`
[INFO] [stdout]   --> src/main.rs:18:15
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn nowplaying(re: &regex::Regex) -> String {
[INFO] [stdout]    |               ^^ help: if this is intentional, prefix it with an underscore: `_re`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 13.83s
[INFO] running `Command { std: "docker" "inspect" "359de9ca6696cb5a4aad98573f615054aba4650fde0e0306850c72ae3e5dea6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "359de9ca6696cb5a4aad98573f615054aba4650fde0e0306850c72ae3e5dea6f", kill_on_drop: false }`
[INFO] [stdout] 359de9ca6696cb5a4aad98573f615054aba4650fde0e0306850c72ae3e5dea6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7aee869861ba0b83a0e4a0eb7b57b9ea9d61dc1cc547a5df087bb8aeac45dc5a
[INFO] running `Command { std: "docker" "start" "-a" "7aee869861ba0b83a0e4a0eb7b57b9ea9d61dc1cc547a5df087bb8aeac45dc5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_bar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `re`
[INFO] [stdout]   --> src/main.rs:18:15
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn nowplaying(re: &regex::Regex) -> String {
[INFO] [stdout]    |               ^^ help: if this is intentional, prefix it with an underscore: `_re`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 0.69s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_bar-d69b4b43d2bf096e)
[INFO] running `Command { std: "docker" "inspect" "7aee869861ba0b83a0e4a0eb7b57b9ea9d61dc1cc547a5df087bb8aeac45dc5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aee869861ba0b83a0e4a0eb7b57b9ea9d61dc1cc547a5df087bb8aeac45dc5a", kill_on_drop: false }`
[INFO] [stdout] 7aee869861ba0b83a0e4a0eb7b57b9ea9d61dc1cc547a5df087bb8aeac45dc5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fdd2f3d6de4f406bfd2f3d013a851470f905ac467758103412bcfc1c611047d8
[INFO] running `Command { std: "docker" "start" "-a" "fdd2f3d6de4f406bfd2f3d013a851470f905ac467758103412bcfc1c611047d8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `re`
[INFO] [stdout] 
[INFO] [stderr]   --> src/main.rs:18:15
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 18 | fn nowplaying(re: &regex::Regex) -> String {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |               ^^ help: if this is intentional, prefix it with an underscore: `_re`
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_bar` (bin "rust_bar" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_bar-d69b4b43d2bf096e)
[INFO] running `Command { std: "docker" "inspect" "fdd2f3d6de4f406bfd2f3d013a851470f905ac467758103412bcfc1c611047d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdd2f3d6de4f406bfd2f3d013a851470f905ac467758103412bcfc1c611047d8", kill_on_drop: false }`
[INFO] [stdout] fdd2f3d6de4f406bfd2f3d013a851470f905ac467758103412bcfc1c611047d8