[INFO] cloning repository https://github.com/ryansetzer/rust-startup-welcome
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ryansetzer/rust-startup-welcome" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryansetzer%2Frust-startup-welcome", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryansetzer%2Frust-startup-welcome'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7d2ca1733e4836b928e8349833277e897bf6f404
[INFO] testing ryansetzer/rust-startup-welcome against beta-2025-09-21 for beta-1.91-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryansetzer%2Frust-startup-welcome" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  37% (1865/4994)
Updating files:  37% (1875/4994)
Updating files:  38% (1898/4994)
Updating files:  39% (1948/4994)
Updating files:  40% (1998/4994)
Updating files:  41% (2048/4994)
Updating files:  41% (2087/4994)
Updating files:  42% (2098/4994)
Updating files:  43% (2148/4994)
Updating files:  44% (2198/4994)
Updating files:  44% (2215/4994)
Updating files:  45% (2248/4994)
Updating files:  45% (2284/4994)
Updating files:  46% (2298/4994)
Updating files:  47% (2348/4994)
Updating files:  48% (2398/4994)
Updating files:  49% (2448/4994)
Updating files:  50% (2497/4994)
Updating files:  50% (2509/4994)
Updating files:  51% (2547/4994)
Updating files:  52% (2597/4994)
Updating files:  53% (2647/4994)
Updating files:  54% (2697/4994)
Updating files:  55% (2747/4994)
Updating files:  56% (2797/4994)
Updating files:  57% (2847/4994)
Updating files:  58% (2897/4994)
Updating files:  59% (2947/4994)
Updating files:  60% (2997/4994)
Updating files:  61% (3047/4994)
Updating files:  62% (3097/4994)
Updating files:  63% (3147/4994)
Updating files:  64% (3197/4994)
Updating files:  65% (3247/4994)
Updating files:  66% (3297/4994)
Updating files:  67% (3346/4994)
Updating files:  68% (3396/4994)
Updating files:  69% (3446/4994)
Updating files:  70% (3496/4994)
Updating files:  71% (3546/4994)
Updating files:  72% (3596/4994)
Updating files:  73% (3646/4994)
Updating files:  74% (3696/4994)
Updating files:  75% (3746/4994)
Updating files:  76% (3796/4994)
Updating files:  77% (3846/4994)
Updating files:  78% (3896/4994)
Updating files:  79% (3946/4994)
Updating files:  80% (3996/4994)
Updating files:  81% (4046/4994)
Updating files:  82% (4096/4994)
Updating files:  83% (4146/4994)
Updating files:  84% (4195/4994)
Updating files:  85% (4245/4994)
Updating files:  86% (4295/4994)
Updating files:  87% (4345/4994)
Updating files:  88% (4395/4994)
Updating files:  89% (4445/4994)
Updating files:  90% (4495/4994)
Updating files:  91% (4545/4994)
Updating files:  92% (4595/4994)
Updating files:  93% (4645/4994)
Updating files:  93% (4683/4994)
Updating files:  94% (4695/4994)
Updating files:  95% (4745/4994)
Updating files:  96% (4795/4994)
Updating files:  97% (4845/4994)
Updating files:  97% (4851/4994)
Updating files:  98% (4895/4994)
Updating files:  99% (4945/4994)
Updating files: 100% (4994/4994)
Updating files: 100% (4994/4994), done.
[INFO] started tweaking git repo https://github.com/ryansetzer/rust-startup-welcome
[INFO] finished tweaking git repo https://github.com/ryansetzer/rust-startup-welcome
[INFO] tweaked toml for git repo https://github.com/ryansetzer/rust-startup-welcome written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ryansetzer/rust-startup-welcome on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ryansetzer/rust-startup-welcome 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b091af54f49860823e29ce7413f77d52f55a71b83afd83870389a7598457fc5
[INFO] running `Command { std: "docker" "start" "-a" "3b091af54f49860823e29ce7413f77d52f55a71b83afd83870389a7598457fc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b091af54f49860823e29ce7413f77d52f55a71b83afd83870389a7598457fc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b091af54f49860823e29ce7413f77d52f55a71b83afd83870389a7598457fc5", kill_on_drop: false }`
[INFO] [stdout] 3b091af54f49860823e29ce7413f77d52f55a71b83afd83870389a7598457fc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12abacd8d7e8d1818cdb693d752bd846961b557ba2e121fe759fd83c99b01579
[INFO] running `Command { std: "docker" "start" "-a" "12abacd8d7e8d1818cdb693d752bd846961b557ba2e121fe759fd83c99b01579", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling rust_decimal v1.36.0
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling cc v1.1.14
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling bytes v1.7.1
[INFO] [stderr]    Compiling utf8-width v0.1.7
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling figlet-rs v0.1.5
[INFO] [stderr]    Compiling whoami v1.5.1
[INFO] [stderr]    Compiling online v4.0.2
[INFO] [stderr]    Compiling compound_duration v1.2.1
[INFO] [stderr]    Compiling raw-cpuid v11.2.0
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling mio v1.0.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling sys-info v0.9.1
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling byte-unit v5.1.4
[INFO] [stderr]    Compiling sysinfo v0.30.13
[INFO] [stderr]    Compiling regex v1.10.5
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling tokio v1.40.0
[INFO] [stderr]    Compiling hapjacks-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:209:9
[INFO] [stdout]     |
[INFO] [stdout] 209 |     let mut result: String = String::new();
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.64s
[INFO] running `Command { std: "docker" "inspect" "12abacd8d7e8d1818cdb693d752bd846961b557ba2e121fe759fd83c99b01579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12abacd8d7e8d1818cdb693d752bd846961b557ba2e121fe759fd83c99b01579", kill_on_drop: false }`
[INFO] [stdout] 12abacd8d7e8d1818cdb693d752bd846961b557ba2e121fe759fd83c99b01579
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df22e5c6f048d37227ccb0379e5f838bfe18d8e3698296c2b8b0158621a65126
[INFO] running `Command { std: "docker" "start" "-a" "df22e5c6f048d37227ccb0379e5f838bfe18d8e3698296c2b8b0158621a65126", kill_on_drop: false }`
[INFO] [stderr]    Compiling hapjacks-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:209:9
[INFO] [stdout]     |
[INFO] [stdout] 209 |     let mut result: String = String::new();
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "df22e5c6f048d37227ccb0379e5f838bfe18d8e3698296c2b8b0158621a65126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df22e5c6f048d37227ccb0379e5f838bfe18d8e3698296c2b8b0158621a65126", kill_on_drop: false }`
[INFO] [stdout] df22e5c6f048d37227ccb0379e5f838bfe18d8e3698296c2b8b0158621a65126
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 875828af3466c1e6049dd488e43f52a47ab5b3c9122e587eb4106a4021ac23b6
[INFO] running `Command { std: "docker" "start" "-a" "875828af3466c1e6049dd488e43f52a47ab5b3c9122e587eb4106a4021ac23b6", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:209:9
[INFO] [stderr]     |
[INFO] [stderr] 209 |     let mut result: String = String::new();
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `hapjacks-playground` (bin "hapjacks-playground" test) generated 1 warning (run `cargo fix --bin "hapjacks-playground" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hapjacks_playground-50087e2c00b041ed)
[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" "875828af3466c1e6049dd488e43f52a47ab5b3c9122e587eb4106a4021ac23b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "875828af3466c1e6049dd488e43f52a47ab5b3c9122e587eb4106a4021ac23b6", kill_on_drop: false }`
[INFO] [stdout] 875828af3466c1e6049dd488e43f52a47ab5b3c9122e587eb4106a4021ac23b6
