[INFO] cloning repository https://github.com/supplanter-wood/roulette
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/supplanter-wood/roulette" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsupplanter-wood%2Froulette", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsupplanter-wood%2Froulette'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1701ee2a8b739faf42999dd7494687461b63aabc
[INFO] testing supplanter-wood/roulette against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsupplanter-wood%2Froulette" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/supplanter-wood/roulette
[INFO] finished tweaking git repo https://github.com/supplanter-wood/roulette
[INFO] tweaked toml for git repo https://github.com/supplanter-wood/roulette written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/supplanter-wood/roulette on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/supplanter-wood/roulette already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 671fc95fc449f10c461aba7d12be2e5721cb043f07730ffa0f206779c55c0aeb
[INFO] running `Command { std: "docker" "start" "-a" "671fc95fc449f10c461aba7d12be2e5721cb043f07730ffa0f206779c55c0aeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "671fc95fc449f10c461aba7d12be2e5721cb043f07730ffa0f206779c55c0aeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "671fc95fc449f10c461aba7d12be2e5721cb043f07730ffa0f206779c55c0aeb", kill_on_drop: false }`
[INFO] [stdout] 671fc95fc449f10c461aba7d12be2e5721cb043f07730ffa0f206779c55c0aeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 9c42fa077ff97ee1e3fcf7f0be272dad7c49908540d5cb554d6f08f9cdd80789
[INFO] running `Command { std: "docker" "start" "-a" "9c42fa077ff97ee1e3fcf7f0be272dad7c49908540d5cb554d6f08f9cdd80789", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling roulette v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: named argument `balance` is not used by name
[INFO] [stdout]    --> src/main.rs:330:13
[INFO] [stdout]     |
[INFO] [stdout] 329 |             "Your new balance: {}",
[INFO] [stdout]     |                                -- this formatting argument uses named argument `balance` by position
[INFO] [stdout] 330 |             balance = balance
[INFO] [stdout]     |             ^^^^^^^ this named argument is referred to by position in formatting string
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(named_arguments_used_positionally)]` on by default
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 329 |             "Your new balance: {balance}",
[INFO] [stdout]     |                                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.85s
[INFO] running `Command { std: "docker" "inspect" "9c42fa077ff97ee1e3fcf7f0be272dad7c49908540d5cb554d6f08f9cdd80789", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c42fa077ff97ee1e3fcf7f0be272dad7c49908540d5cb554d6f08f9cdd80789", kill_on_drop: false }`
[INFO] [stdout] 9c42fa077ff97ee1e3fcf7f0be272dad7c49908540d5cb554d6f08f9cdd80789
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 510970ae8a6ed14b2ea333e44787248b21a54abacefa2a21b5f3ab4d0a6cce09
[INFO] running `Command { std: "docker" "start" "-a" "510970ae8a6ed14b2ea333e44787248b21a54abacefa2a21b5f3ab4d0a6cce09", kill_on_drop: false }`
[INFO] [stderr]    Compiling roulette v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: named argument `balance` is not used by name
[INFO] [stdout]    --> src/main.rs:330:13
[INFO] [stdout]     |
[INFO] [stdout] 329 |             "Your new balance: {}",
[INFO] [stdout]     |                                -- this formatting argument uses named argument `balance` by position
[INFO] [stdout] 330 |             balance = balance
[INFO] [stdout]     |             ^^^^^^^ this named argument is referred to by position in formatting string
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(named_arguments_used_positionally)]` on by default
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 329 |             "Your new balance: {balance}",
[INFO] [stdout]     |                                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "510970ae8a6ed14b2ea333e44787248b21a54abacefa2a21b5f3ab4d0a6cce09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "510970ae8a6ed14b2ea333e44787248b21a54abacefa2a21b5f3ab4d0a6cce09", kill_on_drop: false }`
[INFO] [stdout] 510970ae8a6ed14b2ea333e44787248b21a54abacefa2a21b5f3ab4d0a6cce09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 4f5d4b0da48aa747d8324419505aa12010b0077dba08536e324b60709f66754e
[INFO] running `Command { std: "docker" "start" "-a" "4f5d4b0da48aa747d8324419505aa12010b0077dba08536e324b60709f66754e", kill_on_drop: false }`
[INFO] [stderr] warning: named argument `balance` is not used by name
[INFO] [stderr]    --> src/main.rs:330:13
[INFO] [stderr]     |
[INFO] [stderr] 329 |             "Your new balance: {}",
[INFO] [stderr]     |                                -- this formatting argument uses named argument `balance` by position
[INFO] [stderr] 330 |             balance = balance
[INFO] [stderr]     |             ^^^^^^^ this named argument is referred to by position in formatting string
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(named_arguments_used_positionally)]` on by default
[INFO] [stderr] help: use the named argument by name to avoid ambiguity
[INFO] [stderr]     |
[INFO] [stderr] 329 |             "Your new balance: {balance}",
[INFO] [stderr]     |                                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `roulette` (bin "roulette" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/roulette-4c384030f1b87c0b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4f5d4b0da48aa747d8324419505aa12010b0077dba08536e324b60709f66754e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f5d4b0da48aa747d8324419505aa12010b0077dba08536e324b60709f66754e", kill_on_drop: false }`
[INFO] [stdout] 4f5d4b0da48aa747d8324419505aa12010b0077dba08536e324b60709f66754e