[INFO] cloning repository https://github.com/ultilect/rustCalc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ultilect/rustCalc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fultilect%2FrustCalc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fultilect%2FrustCalc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 352bdc051911d868c5a7fb35c0ce0ce45399003c
[INFO] testing ultilect/rustCalc against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fultilect%2FrustCalc" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ultilect/rustCalc on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ultilect/rustCalc
[INFO] finished tweaking git repo https://github.com/ultilect/rustCalc
[INFO] tweaked toml for git repo https://github.com/ultilect/rustCalc written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/ultilect/rustCalc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f7800e8ef76ce9081c2d86bc0dc27acb8d8dee98eb6742983d77ed5956bd2e1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4f7800e8ef76ce9081c2d86bc0dc27acb8d8dee98eb6742983d77ed5956bd2e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f7800e8ef76ce9081c2d86bc0dc27acb8d8dee98eb6742983d77ed5956bd2e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f7800e8ef76ce9081c2d86bc0dc27acb8d8dee98eb6742983d77ed5956bd2e1", kill_on_drop: false }`
[INFO] [stdout] 4f7800e8ef76ce9081c2d86bc0dc27acb8d8dee98eb6742983d77ed5956bd2e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0477e13da96e6bc07824f6f2bc39b7fd7b3fcd01bad7132753701c073f417435
[INFO] running `Command { std: "docker" "start" "-a" "0477e13da96e6bc07824f6f2bc39b7fd7b3fcd01bad7132753701c073f417435", kill_on_drop: false }`
[INFO] [stderr]    Compiling Test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/parsemath/tokenizer.rs:49:21
[INFO] [stdout]    |
[INFO] [stdout] 46 |                     str =>  {
[INFO] [stdout]    |                     --- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 49 |                     _ => None,
[INFO] [stdout]    |                     ^ unreachable pattern
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `str`
[INFO] [stdout]   --> src/parsemath/tokenizer.rs:44:21
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 let str = String::from("log");
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_str`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `str`
[INFO] [stdout]   --> src/parsemath/tokenizer.rs:46:21
[INFO] [stdout]    |
[INFO] [stdout] 46 |                     str =>  {
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "0477e13da96e6bc07824f6f2bc39b7fd7b3fcd01bad7132753701c073f417435", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0477e13da96e6bc07824f6f2bc39b7fd7b3fcd01bad7132753701c073f417435", kill_on_drop: false }`
[INFO] [stdout] 0477e13da96e6bc07824f6f2bc39b7fd7b3fcd01bad7132753701c073f417435
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c57a53d9422ac81344ec05bd46e7039178e0d17b9634fa7ed37e35f2eef2e534
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c57a53d9422ac81344ec05bd46e7039178e0d17b9634fa7ed37e35f2eef2e534", kill_on_drop: false }`
[INFO] [stderr]    Compiling Test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/parsemath/tokenizer.rs:49:21
[INFO] [stdout]    |
[INFO] [stdout] 46 |                     str =>  {
[INFO] [stdout]    |                     --- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 49 |                     _ => None,
[INFO] [stdout]    |                     ^ unreachable pattern
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `str`
[INFO] [stdout]   --> src/parsemath/tokenizer.rs:44:21
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 let str = String::from("log");
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_str`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `str`
[INFO] [stdout]   --> src/parsemath/tokenizer.rs:46:21
[INFO] [stdout]    |
[INFO] [stdout] 46 |                     str =>  {
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "c57a53d9422ac81344ec05bd46e7039178e0d17b9634fa7ed37e35f2eef2e534", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c57a53d9422ac81344ec05bd46e7039178e0d17b9634fa7ed37e35f2eef2e534", kill_on_drop: false }`
[INFO] [stdout] c57a53d9422ac81344ec05bd46e7039178e0d17b9634fa7ed37e35f2eef2e534
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6d28b886750c57dd368f01ad0578c66331acbc7b4d168379c564115934f38ecc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6d28b886750c57dd368f01ad0578c66331acbc7b4d168379c564115934f38ecc", kill_on_drop: false }`
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/parsemath/tokenizer.rs:49:21
[INFO] [stderr]    |
[INFO] [stderr] 46 |                     str =>  {
[INFO] [stderr]    |                     --- matches any value
[INFO] [stderr] ...
[INFO] [stderr] 49 |                     _ => None,
[INFO] [stderr]    |                     ^ unreachable pattern
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `str`
[INFO] [stderr]   --> src/parsemath/tokenizer.rs:44:21
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 let str = String::from("log");
[INFO] [stderr]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_str`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `str`
[INFO] [stderr]   --> src/parsemath/tokenizer.rs:46:21
[INFO] [stderr]    |
[INFO] [stderr] 46 |                     str =>  {
[INFO] [stderr]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_str`
[INFO] [stderr] 
[INFO] [stderr] warning: `Test` (bin "main" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/main-f5ac463c5242d8e9)
[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" "6d28b886750c57dd368f01ad0578c66331acbc7b4d168379c564115934f38ecc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d28b886750c57dd368f01ad0578c66331acbc7b4d168379c564115934f38ecc", kill_on_drop: false }`
[INFO] [stdout] 6d28b886750c57dd368f01ad0578c66331acbc7b4d168379c564115934f38ecc