[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 master#ebf0cf75d368c035f4c7e7246d203bd469ee4a51 for pr-137940
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsupplanter-wood%2Froulette" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/supplanter-wood/roulette on toolchain ebf0cf75d368c035f4c7e7246d203bd469ee4a51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-1-tc1/source/Cargo.toml
[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" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9fc87bbbc93673899495ed63c085e46e9cc50c649154575abe8f265f613ee5a0
[INFO] running `Command { std: "docker" "start" "-a" "9fc87bbbc93673899495ed63c085e46e9cc50c649154575abe8f265f613ee5a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fc87bbbc93673899495ed63c085e46e9cc50c649154575abe8f265f613ee5a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fc87bbbc93673899495ed63c085e46e9cc50c649154575abe8f265f613ee5a0", kill_on_drop: false }`
[INFO] [stdout] 9fc87bbbc93673899495ed63c085e46e9cc50c649154575abe8f265f613ee5a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3d25a884cd20a9ef6c8bf734ec42b312363826d661f0467ade071b46a4e3ff8
[INFO] running `Command { std: "docker" "start" "-a" "d3d25a884cd20a9ef6c8bf734ec42b312363826d661f0467ade071b46a4e3ff8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[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 3.36s
[INFO] running `Command { std: "docker" "inspect" "d3d25a884cd20a9ef6c8bf734ec42b312363826d661f0467ade071b46a4e3ff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3d25a884cd20a9ef6c8bf734ec42b312363826d661f0467ade071b46a4e3ff8", kill_on_drop: false }`
[INFO] [stdout] d3d25a884cd20a9ef6c8bf734ec42b312363826d661f0467ade071b46a4e3ff8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac369cb2f79953de55b76d090e6b913023a647fa70341f03a8ae4bf9bdcf63a0
[INFO] running `Command { std: "docker" "start" "-a" "ac369cb2f79953de55b76d090e6b913023a647fa70341f03a8ae4bf9bdcf63a0", 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 0.29s
[INFO] running `Command { std: "docker" "inspect" "ac369cb2f79953de55b76d090e6b913023a647fa70341f03a8ae4bf9bdcf63a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac369cb2f79953de55b76d090e6b913023a647fa70341f03a8ae4bf9bdcf63a0", kill_on_drop: false }`
[INFO] [stdout] ac369cb2f79953de55b76d090e6b913023a647fa70341f03a8ae4bf9bdcf63a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2122b1b1a13a872062354ec24065ccc6549412701ed528f4d35c5149bfc85655
[INFO] running `Command { std: "docker" "start" "-a" "2122b1b1a13a872062354ec24065ccc6549412701ed528f4d35c5149bfc85655", 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 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/roulette-9b356e007cf85b18)
[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" "2122b1b1a13a872062354ec24065ccc6549412701ed528f4d35c5149bfc85655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2122b1b1a13a872062354ec24065ccc6549412701ed528f4d35c5149bfc85655", kill_on_drop: false }`
[INFO] [stdout] 2122b1b1a13a872062354ec24065ccc6549412701ed528f4d35c5149bfc85655