[INFO] cloning repository https://github.com/printer83mph/markov-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/printer83mph/markov-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprinter83mph%2Fmarkov-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprinter83mph%2Fmarkov-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1c5e6e4ca81d9626827c67ccea78b27e59379eb7
[INFO] testing printer83mph/markov-rust against beta-2025-10-28 for beta-1.92-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprinter83mph%2Fmarkov-rust" "/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/printer83mph/markov-rust
[INFO] finished tweaking git repo https://github.com/printer83mph/markov-rust
[INFO] tweaked toml for git repo https://github.com/printer83mph/markov-rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/printer83mph/markov-rust on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/printer83mph/markov-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-2025-10-28" "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" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee1161f5094c5cc2a7f8fbad929bd46c0b60419fdc0c9c32eca1be9c65a71cf2
[INFO] running `Command { std: "docker" "start" "-a" "ee1161f5094c5cc2a7f8fbad929bd46c0b60419fdc0c9c32eca1be9c65a71cf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee1161f5094c5cc2a7f8fbad929bd46c0b60419fdc0c9c32eca1be9c65a71cf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee1161f5094c5cc2a7f8fbad929bd46c0b60419fdc0c9c32eca1be9c65a71cf2", kill_on_drop: false }`
[INFO] [stdout] ee1161f5094c5cc2a7f8fbad929bd46c0b60419fdc0c9c32eca1be9c65a71cf2
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14cf65f6e28d14eb277eab7e4960d908b3e39b247cb47e20a678319ce139fc3f
[INFO] running `Command { std: "docker" "start" "-a" "14cf65f6e28d14eb277eab7e4960d908b3e39b247cb47e20a678319ce139fc3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.104
[INFO] [stderr]    Compiling io-lifetimes v1.0.3
[INFO] [stderr]    Compiling serde_derive v1.0.148
[INFO] [stderr]    Compiling rustix v0.36.4
[INFO] [stderr]    Compiling linux-raw-sys v0.1.3
[INFO] [stderr]    Compiling serde v1.0.148
[INFO] [stderr]    Compiling os_str_bytes v6.4.1
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling serde_json v1.0.89
[INFO] [stderr]    Compiling itoa v1.0.4
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling clap_lex v0.3.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling is-terminal v0.4.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v4.0.21
[INFO] [stderr]    Compiling clap v4.0.28
[INFO] [stderr]    Compiling markov-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `train_string` is never used
[INFO] [stdout]    --> src/markov.rs:140:12
[INFO] [stdout]     |
[INFO] [stdout]  89 | impl Model {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 140 |     pub fn train_string(&mut self, content: &str) -> () {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.80s
[INFO] running `Command { std: "docker" "inspect" "14cf65f6e28d14eb277eab7e4960d908b3e39b247cb47e20a678319ce139fc3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14cf65f6e28d14eb277eab7e4960d908b3e39b247cb47e20a678319ce139fc3f", kill_on_drop: false }`
[INFO] [stdout] 14cf65f6e28d14eb277eab7e4960d908b3e39b247cb47e20a678319ce139fc3f
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f512537c9d1eb6e51ceeae56edcdd0ad7413c7bf9cceb9f1033dac53f54e439e
[INFO] running `Command { std: "docker" "start" "-a" "f512537c9d1eb6e51ceeae56edcdd0ad7413c7bf9cceb9f1033dac53f54e439e", kill_on_drop: false }`
[INFO] [stderr]    Compiling markov-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `train_string` is never used
[INFO] [stdout]    --> src/markov.rs:140:12
[INFO] [stdout]     |
[INFO] [stdout]  89 | impl Model {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 140 |     pub fn train_string(&mut self, content: &str) -> () {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "f512537c9d1eb6e51ceeae56edcdd0ad7413c7bf9cceb9f1033dac53f54e439e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f512537c9d1eb6e51ceeae56edcdd0ad7413c7bf9cceb9f1033dac53f54e439e", kill_on_drop: false }`
[INFO] [stdout] f512537c9d1eb6e51ceeae56edcdd0ad7413c7bf9cceb9f1033dac53f54e439e
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 18dd6e526d069e6241cf4259e676b3cf3a6c299d0549efef63f02d2aa2ad88bb
[INFO] running `Command { std: "docker" "start" "-a" "18dd6e526d069e6241cf4259e676b3cf3a6c299d0549efef63f02d2aa2ad88bb", kill_on_drop: false }`
[INFO] [stderr] warning: method `train_string` is never used
[INFO] [stderr]    --> src/markov.rs:140:12
[INFO] [stderr]     |
[INFO] [stderr]  89 | impl Model {
[INFO] [stderr]     | ---------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 140 |     pub fn train_string(&mut self, content: &str) -> () {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `markov-rust` (bin "markov-rust" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/markov_rust-9d94b1ae46e3f429)
[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] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/markov_rust-bf387e5e17169303)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    Doc-tests markov_rust
[INFO] [stdout] 
[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" "18dd6e526d069e6241cf4259e676b3cf3a6c299d0549efef63f02d2aa2ad88bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18dd6e526d069e6241cf4259e676b3cf3a6c299d0549efef63f02d2aa2ad88bb", kill_on_drop: false }`
[INFO] [stdout] 18dd6e526d069e6241cf4259e676b3cf3a6c299d0549efef63f02d2aa2ad88bb