[INFO] cloning repository https://github.com/hgallagher1993/Calculator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hgallagher1993/Calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhgallagher1993%2FCalculator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhgallagher1993%2FCalculator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d9a503417e94bb8d5beef654147b5cf798d55c40
[INFO] testing hgallagher1993/Calculator against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhgallagher1993%2FCalculator" "/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/hgallagher1993/Calculator
[INFO] finished tweaking git repo https://github.com/hgallagher1993/Calculator
[INFO] tweaked toml for git repo https://github.com/hgallagher1993/Calculator written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hgallagher1993/Calculator on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hgallagher1993/Calculator 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: path `src/Calculator.rs` was erroneously implicitly accepted for binary `Calculator`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7635315e0f5205214df6c723f0d1b4f6267b202c813d35ca3844e2f4018c3dfc
[INFO] running `Command { std: "docker" "start" "-a" "7635315e0f5205214df6c723f0d1b4f6267b202c813d35ca3844e2f4018c3dfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7635315e0f5205214df6c723f0d1b4f6267b202c813d35ca3844e2f4018c3dfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7635315e0f5205214df6c723f0d1b4f6267b202c813d35ca3844e2f4018c3dfc", kill_on_drop: false }`
[INFO] [stdout] 7635315e0f5205214df6c723f0d1b4f6267b202c813d35ca3844e2f4018c3dfc
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8396ced74af72f5303150c5ed2e326e65516f72153a5c1e101606e88747df82e
[INFO] running `Command { std: "docker" "start" "-a" "8396ced74af72f5303150c5ed2e326e65516f72153a5c1e101606e88747df82e", kill_on_drop: false }`
[INFO] [stderr] warning: path `src/Calculator.rs` was erroneously implicitly accepted for binary `Calculator`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling Calculator v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/Calculator.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |       if(flag == false)
[INFO] [stdout]    |         ^             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 20 -       if(flag == false)
[INFO] [stdout] 20 +       if flag == false
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/Calculator.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |       if(operator == '=')
[INFO] [stdout]    |         ^               ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 32 -       if(operator == '=')
[INFO] [stdout] 32 +       if operator == '='
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/Calculator.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 |    let mut operator: char = operator_string.chars()
[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 0.17s
[INFO] running `Command { std: "docker" "inspect" "8396ced74af72f5303150c5ed2e326e65516f72153a5c1e101606e88747df82e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8396ced74af72f5303150c5ed2e326e65516f72153a5c1e101606e88747df82e", kill_on_drop: false }`
[INFO] [stdout] 8396ced74af72f5303150c5ed2e326e65516f72153a5c1e101606e88747df82e
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 285cba579f46e2df05550682268041d090564ff57c40382bddbaab9ef7bc558d
[INFO] running `Command { std: "docker" "start" "-a" "285cba579f46e2df05550682268041d090564ff57c40382bddbaab9ef7bc558d", kill_on_drop: false }`
[INFO] [stderr] warning: path `src/Calculator.rs` was erroneously implicitly accepted for binary `Calculator`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling Calculator v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/Calculator.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |       if(flag == false)
[INFO] [stdout]    |         ^             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 20 -       if(flag == false)
[INFO] [stdout] 20 +       if flag == false
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/Calculator.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |       if(operator == '=')
[INFO] [stdout]    |         ^               ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 32 -       if(operator == '=')
[INFO] [stdout] 32 +       if operator == '='
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/Calculator.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 |    let mut operator: char = operator_string.chars()
[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 0.15s
[INFO] running `Command { std: "docker" "inspect" "285cba579f46e2df05550682268041d090564ff57c40382bddbaab9ef7bc558d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "285cba579f46e2df05550682268041d090564ff57c40382bddbaab9ef7bc558d", kill_on_drop: false }`
[INFO] [stdout] 285cba579f46e2df05550682268041d090564ff57c40382bddbaab9ef7bc558d
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7a618a819f0a58c99b6e96649937d96b11a3508e99084c32f2a282e88f62a1e0
[INFO] running `Command { std: "docker" "start" "-a" "7a618a819f0a58c99b6e96649937d96b11a3508e99084c32f2a282e88f62a1e0", kill_on_drop: false }`
[INFO] [stderr] warning: path `src/Calculator.rs` was erroneously implicitly accepted for binary `Calculator`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/Calculator.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |       if(flag == false)
[INFO] [stderr]    |         ^             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 20 -       if(flag == false)
[INFO] [stderr] 20 +       if flag == false
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/Calculator.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |       if(operator == '=')
[INFO] [stderr]    |         ^               ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 32 -       if(operator == '=')
[INFO] [stderr] 32 +       if operator == '='
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/Calculator.rs:73:8
[INFO] [stderr]    |
[INFO] [stderr] 73 |    let mut operator: char = operator_string.chars()
[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: `Calculator` (bin "Calculator" test) generated 3 warnings (run `cargo fix --bin "Calculator" -p Calculator --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/Calculator.rs (/opt/rustwide/target/debug/deps/Calculator-11569c4d90aad317)
[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" "7a618a819f0a58c99b6e96649937d96b11a3508e99084c32f2a282e88f62a1e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a618a819f0a58c99b6e96649937d96b11a3508e99084c32f2a282e88f62a1e0", kill_on_drop: false }`
[INFO] [stdout] 7a618a819f0a58c99b6e96649937d96b11a3508e99084c32f2a282e88f62a1e0
