[INFO] cloning repository https://github.com/CharlieAlex/Gambling_Simulator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CharlieAlex/Gambling_Simulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCharlieAlex%2FGambling_Simulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCharlieAlex%2FGambling_Simulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4dce918dd15a7e7f4fa7a9be4c1809d31a0741f7
[INFO] checking CharlieAlex/Gambling_Simulator against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCharlieAlex%2FGambling_Simulator" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/CharlieAlex/Gambling_Simulator
[INFO] finished tweaking git repo https://github.com/CharlieAlex/Gambling_Simulator
[INFO] tweaked toml for git repo https://github.com/CharlieAlex/Gambling_Simulator written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/CharlieAlex/Gambling_Simulator on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/CharlieAlex/Gambling_Simulator 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f28172d4e39e56cb81bd7805c3ef5cc60447b4dc28a5406b5c4652c36d4efb0a
[INFO] running `Command { std: "docker" "start" "-a" "f28172d4e39e56cb81bd7805c3ef5cc60447b4dc28a5406b5c4652c36d4efb0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f28172d4e39e56cb81bd7805c3ef5cc60447b4dc28a5406b5c4652c36d4efb0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f28172d4e39e56cb81bd7805c3ef5cc60447b4dc28a5406b5c4652c36d4efb0a", kill_on_drop: false }`
[INFO] [stdout] f28172d4e39e56cb81bd7805c3ef5cc60447b4dc28a5406b5c4652c36d4efb0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8864dd7201f0884ac8673e5143313ddcf2147d1eb609a464bfb489dd165d8f9b
[INFO] running `Command { std: "docker" "start" "-a" "8864dd7201f0884ac8673e5143313ddcf2147d1eb609a464bfb489dd165d8f9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.12.13
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]    Compiling indoc v1.0.9
[INFO] [stderr]     Checking unindent v0.1.11
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling pyo3-build-config v0.19.2
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling pyo3-ffi v0.19.2
[INFO] [stderr]    Compiling pyo3 v0.19.2
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]    Compiling pyo3-macros-backend v0.19.2
[INFO] [stderr]    Compiling pyo3-macros v0.19.2
[INFO] [stderr]     Checking gambling_simulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/lib.rs:28:23
[INFO] [stdout]    |
[INFO] [stdout] 28 |     output_map.insert(String::from_str("nth").unwrap(), output_df.nth);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/lib.rs:29:23
[INFO] [stdout]    |
[INFO] [stdout] 29 |     output_map.insert(String::from_str("play_times").unwrap(), output_df.play_times);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/lib.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |     output_map.insert(String::from_str("final_wealth").unwrap(), output_df.final_wealth);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/lib.rs:33:25
[INFO] [stdout]    |
[INFO] [stdout] 33 |     lastgame_map.insert(String::from_str("return").unwrap(), lastgame_df.return_sequence);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/lib.rs:34:25
[INFO] [stdout]    |
[INFO] [stdout] 34 |     lastgame_map.insert(String::from_str("wealth").unwrap(), lastgame_df.wealth_sequence);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/lib.rs:35:25
[INFO] [stdout]    |
[INFO] [stdout] 35 |     lastgame_map.insert(String::from_str("stake").unwrap(), lastgame_df.stake_sequence);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gambling_simulator` (lib) due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/lib.rs:28:23
[INFO] [stdout]    |
[INFO] [stdout] 28 |     output_map.insert(String::from_str("nth").unwrap(), output_df.nth);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/lib.rs:29:23
[INFO] [stdout]    |
[INFO] [stdout] 29 |     output_map.insert(String::from_str("play_times").unwrap(), output_df.play_times);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/lib.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |     output_map.insert(String::from_str("final_wealth").unwrap(), output_df.final_wealth);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/lib.rs:33:25
[INFO] [stdout]    |
[INFO] [stdout] 33 |     lastgame_map.insert(String::from_str("return").unwrap(), lastgame_df.return_sequence);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/lib.rs:34:25
[INFO] [stdout]    |
[INFO] [stdout] 34 |     lastgame_map.insert(String::from_str("wealth").unwrap(), lastgame_df.wealth_sequence);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/lib.rs:35:25
[INFO] [stdout]    |
[INFO] [stdout] 35 |     lastgame_map.insert(String::from_str("stake").unwrap(), lastgame_df.stake_sequence);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gambling_simulator` (lib test) due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "8864dd7201f0884ac8673e5143313ddcf2147d1eb609a464bfb489dd165d8f9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8864dd7201f0884ac8673e5143313ddcf2147d1eb609a464bfb489dd165d8f9b", kill_on_drop: false }`
[INFO] [stdout] 8864dd7201f0884ac8673e5143313ddcf2147d1eb609a464bfb489dd165d8f9b