[INFO] cloning repository https://github.com/l0s/maelstrom-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/l0s/maelstrom-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fl0s%2Fmaelstrom-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fl0s%2Fmaelstrom-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6cd69b78ecb6edf43048d717c556e9e76301422c
[INFO] testing l0s/maelstrom-rust 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%2Fl0s%2Fmaelstrom-rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/l0s/maelstrom-rust
[INFO] finished tweaking git repo https://github.com/l0s/maelstrom-rust
[INFO] tweaked toml for git repo https://github.com/l0s/maelstrom-rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/l0s/maelstrom-rust 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/l0s/maelstrom-rust 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] fe6069348ee1b3df76585590ebaf9f06425c5c2bb19104d799260cf136498644
[INFO] running `Command { std: "docker" "start" "-a" "fe6069348ee1b3df76585590ebaf9f06425c5c2bb19104d799260cf136498644", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe6069348ee1b3df76585590ebaf9f06425c5c2bb19104d799260cf136498644", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe6069348ee1b3df76585590ebaf9f06425c5c2bb19104d799260cf136498644", kill_on_drop: false }`
[INFO] [stdout] fe6069348ee1b3df76585590ebaf9f06425c5c2bb19104d799260cf136498644
[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] 61d667f2065019c34950e355599c9165cd04f4d2cc0cf6aa6feefbc27f72c92f
[INFO] running `Command { std: "docker" "start" "-a" "61d667f2065019c34950e355599c9165cd04f4d2cc0cf6aa6feefbc27f72c92f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling zerocopy v0.8.14
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]    Compiling rand_core v0.9.0
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling statsd v0.16.1
[INFO] [stderr]    Compiling darling_core v0.21.3
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling darling_macro v0.21.3
[INFO] [stderr]    Compiling darling v0.21.3
[INFO] [stderr]    Compiling serde_with_macros v3.14.1
[INFO] [stderr]    Compiling serde_with v3.14.1
[INFO] [stderr]    Compiling maelstrom-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]  --> src/broadcast.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::{thread_rng, Rng};
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]    --> src/broadcast.rs:191:36
[INFO] [stdout]     |
[INFO] [stdout] 191 |                     let mut rand = thread_rng();
[INFO] [stdout]     |                                    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]    --> src/broadcast.rs:196:40
[INFO] [stdout]     |
[INFO] [stdout] 196 | ...                   * rand.gen_range(0.95..1.05f64)) as u64,
[INFO] [stdout]     |                              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.07s
[INFO] running `Command { std: "docker" "inspect" "61d667f2065019c34950e355599c9165cd04f4d2cc0cf6aa6feefbc27f72c92f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61d667f2065019c34950e355599c9165cd04f4d2cc0cf6aa6feefbc27f72c92f", kill_on_drop: false }`
[INFO] [stdout] 61d667f2065019c34950e355599c9165cd04f4d2cc0cf6aa6feefbc27f72c92f
[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] ded656a5bfc9f0e06c8f1c221773164b71cec008e09435c2245fb0d73d1d319f
[INFO] running `Command { std: "docker" "start" "-a" "ded656a5bfc9f0e06c8f1c221773164b71cec008e09435c2245fb0d73d1d319f", kill_on_drop: false }`
[INFO] [stderr]    Compiling maelstrom-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]  --> src/broadcast.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::{thread_rng, Rng};
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]    --> src/broadcast.rs:191:36
[INFO] [stdout]     |
[INFO] [stdout] 191 |                     let mut rand = thread_rng();
[INFO] [stdout]     |                                    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]    --> src/broadcast.rs:196:40
[INFO] [stdout]     |
[INFO] [stdout] 196 | ...                   * rand.gen_range(0.95..1.05f64)) as u64,
[INFO] [stdout]     |                              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "ded656a5bfc9f0e06c8f1c221773164b71cec008e09435c2245fb0d73d1d319f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ded656a5bfc9f0e06c8f1c221773164b71cec008e09435c2245fb0d73d1d319f", kill_on_drop: false }`
[INFO] [stdout] ded656a5bfc9f0e06c8f1c221773164b71cec008e09435c2245fb0d73d1d319f
[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] ac38c7407469f37fe1d62503a3a4e66e843b111086fed50b4e8083b2fde27409
[INFO] running `Command { std: "docker" "start" "-a" "ac38c7407469f37fe1d62503a3a4e66e843b111086fed50b4e8083b2fde27409", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stderr]  --> src/broadcast.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | use rand::{thread_rng, Rng};
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stderr]    --> src/broadcast.rs:191:36
[INFO] [stderr]     |
[INFO] [stderr] 191 |                     let mut rand = thread_rng();
[INFO] [stderr]     |                                    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stderr]    --> src/broadcast.rs:196:40
[INFO] [stderr]     |
[INFO] [stderr] 196 | ...                   * rand.gen_range(0.95..1.05f64)) as u64,
[INFO] [stderr]     |                              ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `maelstrom-rust` (bin "broadcast" test) generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/broadcast.rs (/opt/rustwide/target/debug/deps/broadcast-c870c0d17bc7a273)
[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] [stderr]      Running unittests src/echo.rs (/opt/rustwide/target/debug/deps/echo-85914b9e6e9d4285)
[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" "ac38c7407469f37fe1d62503a3a4e66e843b111086fed50b4e8083b2fde27409", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac38c7407469f37fe1d62503a3a4e66e843b111086fed50b4e8083b2fde27409", kill_on_drop: false }`
[INFO] [stdout] ac38c7407469f37fe1d62503a3a4e66e843b111086fed50b4e8083b2fde27409