[INFO] cloning repository https://github.com/kod-kristoff/scratch.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kod-kristoff/scratch.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkod-kristoff%2Fscratch.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkod-kristoff%2Fscratch.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 84aec6a3a7a9a13834e5958279a24ba7eb790a45
[INFO] testing kod-kristoff/scratch.rs 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%2Fkod-kristoff%2Fscratch.rs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kod-kristoff/scratch.rs
[INFO] finished tweaking git repo https://github.com/kod-kristoff/scratch.rs
[INFO] tweaked toml for git repo https://github.com/kod-kristoff/scratch.rs written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kod-kristoff/scratch.rs 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 71a7123e570a30085cbe40b8a8f434d9c346641f4daf0f65649261bbae1c6570
[INFO] running `Command { std: "docker" "start" "-a" "71a7123e570a30085cbe40b8a8f434d9c346641f4daf0f65649261bbae1c6570", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71a7123e570a30085cbe40b8a8f434d9c346641f4daf0f65649261bbae1c6570", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71a7123e570a30085cbe40b8a8f434d9c346641f4daf0f65649261bbae1c6570", kill_on_drop: false }`
[INFO] [stdout] 71a7123e570a30085cbe40b8a8f434d9c346641f4daf0f65649261bbae1c6570
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 23ed86b087e8b4e682fdb67f05556b47d542c2dee44da12d6c455c5a0e03b275
[INFO] running `Command { std: "docker" "start" "-a" "23ed86b087e8b4e682fdb67f05556b47d542c2dee44da12d6c455c5a0e03b275", kill_on_drop: false }`
[INFO] [stderr]    Compiling scratch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `read_whole_file_and_print_lines` is never used
[INFO] [stdout]   --> src/main.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn read_whole_file_and_print_lines() -> io::Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_file_line_by_line` is never used
[INFO] [stdout]   --> src/main.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn read_file_line_by_line() -> io::Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BufReader` is never constructed
[INFO] [stdout]   --> src/main.rs:46:16
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub struct BufReader {
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `open` and `read_line` are never used
[INFO] [stdout]   --> src/main.rs:51:16
[INFO] [stdout]    |
[INFO] [stdout] 50 |     impl BufReader {
[INFO] [stdout]    |     -------------- associated items in this implementation
[INFO] [stdout] 51 |         pub fn open(path: impl AsRef<std::path::Path>) -> io::Result<Self> {
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |         pub fn read_line<'buf>(
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "23ed86b087e8b4e682fdb67f05556b47d542c2dee44da12d6c455c5a0e03b275", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23ed86b087e8b4e682fdb67f05556b47d542c2dee44da12d6c455c5a0e03b275", kill_on_drop: false }`
[INFO] [stdout] 23ed86b087e8b4e682fdb67f05556b47d542c2dee44da12d6c455c5a0e03b275
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 44f9299b0129663bd988820a0b4fd8da344fb393dcfbcaa710c35fdfeaf97209
[INFO] running `Command { std: "docker" "start" "-a" "44f9299b0129663bd988820a0b4fd8da344fb393dcfbcaa710c35fdfeaf97209", kill_on_drop: false }`
[INFO] [stderr]    Compiling scratch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `read_whole_file_and_print_lines` is never used
[INFO] [stdout]   --> src/main.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn read_whole_file_and_print_lines() -> io::Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_file_line_by_line` is never used
[INFO] [stdout]   --> src/main.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn read_file_line_by_line() -> io::Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BufReader` is never constructed
[INFO] [stdout]   --> src/main.rs:46:16
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub struct BufReader {
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `open` and `read_line` are never used
[INFO] [stdout]   --> src/main.rs:51:16
[INFO] [stdout]    |
[INFO] [stdout] 50 |     impl BufReader {
[INFO] [stdout]    |     -------------- associated items in this implementation
[INFO] [stdout] 51 |         pub fn open(path: impl AsRef<std::path::Path>) -> io::Result<Self> {
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |         pub fn read_line<'buf>(
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "44f9299b0129663bd988820a0b4fd8da344fb393dcfbcaa710c35fdfeaf97209", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44f9299b0129663bd988820a0b4fd8da344fb393dcfbcaa710c35fdfeaf97209", kill_on_drop: false }`
[INFO] [stdout] 44f9299b0129663bd988820a0b4fd8da344fb393dcfbcaa710c35fdfeaf97209
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 98ce4d875f8bfbe328e2ba164d462bc2c282f6c7bd8ff24216915b8193ef14cf
[INFO] running `Command { std: "docker" "start" "-a" "98ce4d875f8bfbe328e2ba164d462bc2c282f6c7bd8ff24216915b8193ef14cf", kill_on_drop: false }`
[INFO] [stderr] warning: function `read_whole_file_and_print_lines` is never used
[INFO] [stderr]   --> src/main.rs:10:4
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn read_whole_file_and_print_lines() -> io::Result<()> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `read_file_line_by_line` is never used
[INFO] [stderr]   --> src/main.rs:21:4
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn read_file_line_by_line() -> io::Result<()> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `BufReader` is never constructed
[INFO] [stderr]   --> src/main.rs:46:16
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub struct BufReader {
[INFO] [stderr]    |                ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `open` and `read_line` are never used
[INFO] [stderr]   --> src/main.rs:51:16
[INFO] [stderr]    |
[INFO] [stderr] 50 |     impl BufReader {
[INFO] [stderr]    |     -------------- associated items in this implementation
[INFO] [stderr] 51 |         pub fn open(path: impl AsRef<std::path::Path>) -> io::Result<Self> {
[INFO] [stderr]    |                ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 58 |         pub fn read_line<'buf>(
[INFO] [stderr]    |                ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `scratch` (bin "scratch" test) generated 4 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/scratch-8df6055f2697e012)
[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" "98ce4d875f8bfbe328e2ba164d462bc2c282f6c7bd8ff24216915b8193ef14cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98ce4d875f8bfbe328e2ba164d462bc2c282f6c7bd8ff24216915b8193ef14cf", kill_on_drop: false }`
[INFO] [stdout] 98ce4d875f8bfbe328e2ba164d462bc2c282f6c7bd8ff24216915b8193ef14cf
