[INFO] cloning repository https://github.com/rchaser53/at-coder-localplayground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rchaser53/at-coder-localplayground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frchaser53%2Fat-coder-localplayground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frchaser53%2Fat-coder-localplayground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dc20d2ea200464dee30570a977553c957fc3ba35
[INFO] testing rchaser53/at-coder-localplayground against beta-2025-09-21 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frchaser53%2Fat-coder-localplayground" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rchaser53/at-coder-localplayground
[INFO] finished tweaking git repo https://github.com/rchaser53/at-coder-localplayground
[INFO] tweaked toml for git repo https://github.com/rchaser53/at-coder-localplayground written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rchaser53/at-coder-localplayground 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/rchaser53/at-coder-localplayground 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] c76ec01afd416ae0a35ea778b48d8dd6ab5bbbe6e8f494e99f69226ca2aaf88b
[INFO] running `Command { std: "docker" "start" "-a" "c76ec01afd416ae0a35ea778b48d8dd6ab5bbbe6e8f494e99f69226ca2aaf88b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c76ec01afd416ae0a35ea778b48d8dd6ab5bbbe6e8f494e99f69226ca2aaf88b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c76ec01afd416ae0a35ea778b48d8dd6ab5bbbe6e8f494e99f69226ca2aaf88b", kill_on_drop: false }`
[INFO] [stdout] c76ec01afd416ae0a35ea778b48d8dd6ab5bbbe6e8f494e99f69226ca2aaf88b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 07d3b14f4f6b31024c951809b201cd3b24af78496aa8d3d49cb4af185b7b0271
[INFO] running `Command { std: "docker" "start" "-a" "07d3b14f4f6b31024c951809b201cd3b24af78496aa8d3d49cb4af185b7b0271", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling proc-macro2 v1.0.33
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde v1.0.131
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling ryu v1.0.7
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling generic-array v0.13.3
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling environment v0.1.1
[INFO] [stderr]    Compiling proconio v0.3.8
[INFO] [stderr]    Compiling superslice v1.0.0
[INFO] [stderr]    Compiling permutohedron v0.2.4
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling alga v0.9.3
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling nalgebra v0.20.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling assert_cli v0.6.3
[INFO] [stderr]    Compiling at-coder-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/solver/solve1.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     n:usize,
[INFO] [stdout]    |     ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.43s
[INFO] running `Command { std: "docker" "inspect" "07d3b14f4f6b31024c951809b201cd3b24af78496aa8d3d49cb4af185b7b0271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07d3b14f4f6b31024c951809b201cd3b24af78496aa8d3d49cb4af185b7b0271", kill_on_drop: false }`
[INFO] [stdout] 07d3b14f4f6b31024c951809b201cd3b24af78496aa8d3d49cb4af185b7b0271
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b76b8524729a7d24aff19d8f01d9abe3a8c0fa769aa99bd93cff1493658b86c0
[INFO] running `Command { std: "docker" "start" "-a" "b76b8524729a7d24aff19d8f01d9abe3a8c0fa769aa99bd93cff1493658b86c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling at-coder-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/solver/solve1.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     n:usize,
[INFO] [stdout]    |     ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> tests/solutions/a.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     n:usize,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 10 |     _n:usize,
[INFO] [stdout]    |     +
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `MOD`
[INFO] [stdout]    |
[INFO] [stdout] 10 -     n:usize,
[INFO] [stdout] 10 +     solutions::c::MOD:usize,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> tests/solutions/b.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     mut x:usize,
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout] help: `x` is captured in macro and introduced a unused variable
[INFO] [stdout]   --> tests/solutions/b.rs:8:3
[INFO] [stdout]    |
[INFO] [stdout]  8 | /   input! {
[INFO] [stdout]  9 | |     from source,  // NEED TO BE COMMENT OUT WHEN SUBMIT
[INFO] [stdout] 10 | |     mut x:usize,
[INFO] [stdout] 11 | |   }
[INFO] [stdout]    | |___^
[INFO] [stdout]    = note: this warning originates in the macro `$crate::input` which comes from the expansion of the macro `input` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `MOD`
[INFO] [stdout]    |
[INFO] [stdout] 10 -     mut x:usize,
[INFO] [stdout] 10 +     mut solutions::c::MOD:usize,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]   --> tests/solutions/c.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 |       h:usize,
[INFO] [stdout]    |       ^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 12 |       _h:usize,
[INFO] [stdout]    |       +
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `MOD`
[INFO] [stdout]    |
[INFO] [stdout] 12 -       h:usize,
[INFO] [stdout] 12 +       solutions::c::MOD:usize,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]   --> tests/solutions/c.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 |       w:usize,
[INFO] [stdout]    |       ^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 13 |       _w:usize,
[INFO] [stdout]    |       +
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `MOD`
[INFO] [stdout]    |
[INFO] [stdout] 13 -       w:usize,
[INFO] [stdout] 13 +       solutions::c::MOD:usize,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/solver/solve1.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     n:usize,
[INFO] [stdout]    |     ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> tests/solutions/a.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     n:usize,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 10 |     _n:usize,
[INFO] [stdout]    |     +
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `MOD`
[INFO] [stdout]    |
[INFO] [stdout] 10 -     n:usize,
[INFO] [stdout] 10 +     solutions::c::MOD:usize,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> tests/solutions/b.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     mut x:usize,
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout] help: `x` is captured in macro and introduced a unused variable
[INFO] [stdout]   --> tests/solutions/b.rs:8:3
[INFO] [stdout]    |
[INFO] [stdout]  8 | /   input! {
[INFO] [stdout]  9 | |     from source,  // NEED TO BE COMMENT OUT WHEN SUBMIT
[INFO] [stdout] 10 | |     mut x:usize,
[INFO] [stdout] 11 | |   }
[INFO] [stdout]    | |___^
[INFO] [stdout]    = note: this warning originates in the macro `$crate::input` which comes from the expansion of the macro `input` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `MOD`
[INFO] [stdout]    |
[INFO] [stdout] 10 -     mut x:usize,
[INFO] [stdout] 10 +     mut solutions::c::MOD:usize,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]   --> tests/solutions/c.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 |       h:usize,
[INFO] [stdout]    |       ^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 12 |       _h:usize,
[INFO] [stdout]    |       +
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `MOD`
[INFO] [stdout]    |
[INFO] [stdout] 12 -       h:usize,
[INFO] [stdout] 12 +       solutions::c::MOD:usize,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]   --> tests/solutions/c.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 |       w:usize,
[INFO] [stdout]    |       ^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 13 |       _w:usize,
[INFO] [stdout]    |       +
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `MOD`
[INFO] [stdout]    |
[INFO] [stdout] 13 -       w:usize,
[INFO] [stdout] 13 +       solutions::c::MOD:usize,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> tests/solutions/a.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     n:usize,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 10 |     _n:usize,
[INFO] [stdout]    |     +
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `MOD`
[INFO] [stdout]    |
[INFO] [stdout] 10 -     n:usize,
[INFO] [stdout] 10 +     solutions::c::MOD:usize,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> tests/solutions/b.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     mut x:usize,
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout] help: `x` is captured in macro and introduced a unused variable
[INFO] [stdout]   --> tests/solutions/b.rs:8:3
[INFO] [stdout]    |
[INFO] [stdout]  8 | /   input! {
[INFO] [stdout]  9 | |     from source,  // NEED TO BE COMMENT OUT WHEN SUBMIT
[INFO] [stdout] 10 | |     mut x:usize,
[INFO] [stdout] 11 | |   }
[INFO] [stdout]    | |___^
[INFO] [stdout]    = note: this warning originates in the macro `$crate::input` which comes from the expansion of the macro `input` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `MOD`
[INFO] [stdout]    |
[INFO] [stdout] 10 -     mut x:usize,
[INFO] [stdout] 10 +     mut solutions::c::MOD:usize,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]   --> tests/solutions/c.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 |       h:usize,
[INFO] [stdout]    |       ^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 12 |       _h:usize,
[INFO] [stdout]    |       +
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `MOD`
[INFO] [stdout]    |
[INFO] [stdout] 12 -       h:usize,
[INFO] [stdout] 12 +       solutions::c::MOD:usize,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]   --> tests/solutions/c.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 |       w:usize,
[INFO] [stdout]    |       ^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 13 |       _w:usize,
[INFO] [stdout]    |       +
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `MOD`
[INFO] [stdout]    |
[INFO] [stdout] 13 -       w:usize,
[INFO] [stdout] 13 +       solutions::c::MOD:usize,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "b76b8524729a7d24aff19d8f01d9abe3a8c0fa769aa99bd93cff1493658b86c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b76b8524729a7d24aff19d8f01d9abe3a8c0fa769aa99bd93cff1493658b86c0", kill_on_drop: false }`
[INFO] [stdout] b76b8524729a7d24aff19d8f01d9abe3a8c0fa769aa99bd93cff1493658b86c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 132a86046237f53826ae059476726e99d3d99ff9b71fee7626061df30ddd1ad3
[INFO] running `Command { std: "docker" "start" "-a" "132a86046237f53826ae059476726e99d3d99ff9b71fee7626061df30ddd1ad3", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/solver/solve1.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     n:usize,
[INFO] [stderr]    |     ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> tests/solutions/a.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     n:usize,
[INFO] [stderr]    |     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: if this is intentional, prefix it with an underscore
[INFO] [stderr]    |
[INFO] [stderr] 10 |     _n:usize,
[INFO] [stderr]    |     +
[INFO] [stderr] help: you might have meant to pattern match on the similarly named constant `MOD`
[INFO] [stderr]    |
[INFO] [stderr] 10 -     n:usize,
[INFO] [stderr] 10 +     solutions::c::MOD:usize,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> tests/solutions/b.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     mut x:usize,
[INFO] [stderr]    |         ^
[INFO] [stderr]    |
[INFO] [stderr] help: `x` is captured in macro and introduced a unused variable
[INFO] [stderr]   --> tests/solutions/b.rs:8:3
[INFO] [stderr]    |
[INFO] [stderr]  8 | /   input! {
[INFO] [stderr]  9 | |     from source,  // NEED TO BE COMMENT OUT WHEN SUBMIT
[INFO] [stderr] 10 | |     mut x:usize,
[INFO] [stderr] 11 | |   }
[INFO] [stderr]    | |___^
[INFO] [stderr]    = note: this warning originates in the macro `$crate::input` which comes from the expansion of the macro `input` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: you might have meant to pattern match on the similarly named constant `MOD`
[INFO] [stderr]    |
[INFO] [stderr] 10 -     mut x:usize,
[INFO] [stderr] 10 +     mut solutions::c::MOD:usize,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `h`
[INFO] [stderr]   --> tests/solutions/c.rs:12:7
[INFO] [stderr]    |
[INFO] [stderr] 12 |       h:usize,
[INFO] [stderr]    |       ^
[INFO] [stderr]    |
[INFO] [stderr] help: if this is intentional, prefix it with an underscore
[INFO] [stderr]    |
[INFO] [stderr] 12 |       _h:usize,
[INFO] [stderr]    |       +
[INFO] [stderr] help: you might have meant to pattern match on the similarly named constant `MOD`
[INFO] [stderr]    |
[INFO] [stderr] 12 -       h:usize,
[INFO] [stderr] 12 +       solutions::c::MOD:usize,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `w`
[INFO] [stderr]   --> tests/solutions/c.rs:13:7
[INFO] [stderr]    |
[INFO] [stderr] 13 |       w:usize,
[INFO] [stderr]    |       ^
[INFO] [stderr]    |
[INFO] [stderr] help: if this is intentional, prefix it with an underscore
[INFO] [stderr]    |
[INFO] [stderr] 13 |       _w:usize,
[INFO] [stderr]    |       +
[INFO] [stderr] help: you might have meant to pattern match on the similarly named constant `MOD`
[INFO] [stderr]    |
[INFO] [stderr] 13 -       w:usize,
[INFO] [stderr] 13 +       solutions::c::MOD:usize,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `at-coder-playground` (bin "at-coder-playground" test) generated 1 warning
[INFO] [stderr] warning: `at-coder-playground` (bin "at-coder-playground") generated 1 warning (1 duplicate)
[INFO] [stderr] warning: `at-coder-playground` (test "b") generated 4 warnings (run `cargo fix --test "b"` to apply 4 suggestions)
[INFO] [stderr] warning: `at-coder-playground` (test "c") generated 4 warnings (4 duplicates)
[INFO] [stderr] warning: `at-coder-playground` (test "a") generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/at_coder_playground-d3ba789f5dd07d9a)
[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 tests/a.rs (/opt/rustwide/target/debug/deps/a-6b8301c7dea0ac5b)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test a ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- a stdout ----
[INFO] [stdout] 
[INFO] [stdout] ============================================
[INFO] [stdout] 
[INFO] [stdout] ============================================
[INFO] [stdout] 
[INFO] [stdout] ============================================
[INFO] [stdout] 
[INFO] [stdout] ============================================
[INFO] [stdout] 
[INFO] [stdout] thread 'a' (26) panicked at tests/utils/mod.rs:54:46:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x57e7e58a5332 - std::backtrace_rs::backtrace::libunwind::trace::hcab59e1e990fdc24
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x57e7e58a5332 - std::backtrace_rs::backtrace::trace_unsynchronized::he24cc57f3d2f47b7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x57e7e58a5332 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x57e7e58a5332 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h67edf0e4d33c343c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x57e7e58b563f - core::fmt::rt::Argument::fmt::hef94184842aeafdd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x57e7e58b563f - core::fmt::write::hcf0c66b48a8fa606
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x57e7e5872741 - std::io::default_write_fmt::h69967ac0ba93195f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x57e7e5872741 - std::io::Write::write_fmt::h8db9396209deaa1c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x57e7e587e7a2 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x57e7e588342f - std::panicking::default_hook::{{closure}}::h91001850288db5f7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x57e7e58832c1 - std::panicking::default_hook::h2346dbb704ef5512
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x57e7e583f1ee - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h18383b2e29377420
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   12:     0x57e7e583f1ee - test::test_main_with_exit_callback::{{closure}}::h272d7ef99aef06dc
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x57e7e5883aef - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6dba6e441651a0d1
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   14:     0x57e7e5883aef - std::panicking::panic_with_hook::hd2b063a6090d23a4
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x57e7e588394a - std::panicking::panic_handler::{{closure}}::he666d95f139a333e
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x57e7e587e8d9 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x57e7e5866c1d - __rustc[1d67440d6e82e4f]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x57e7e58bcf60 - core::panicking::panic_fmt::h420ddb7fd73daf53
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x57e7e58bc756 - core::result::unwrap_failed::hdde076be853d034f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/result.rs:1855:5
[INFO] [stdout]   20:     0x57e7e581275f - core::result::Result<T,E>::unwrap::h8a186837e67a31a0
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/result.rs:1226:23
[INFO] [stdout]   21:     0x57e7e581275f - a::utils::read_file::ha40866a1df958d66
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/utils/mod.rs:54:46
[INFO] [stdout]   22:     0x57e7e5811ef8 - a::a::h18a2a868ef568ebb
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/a.rs:35:5
[INFO] [stdout]   23:     0x57e7e5811f67 - a::a::{{closure}}::h121731f38b964410
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/a.rs:13:7
[INFO] [stdout]   24:     0x57e7e58142c6 - core::ops::function::FnOnce::call_once::heeae34c6384d5a2d
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x57e7e583efab - core::ops::function::FnOnce::call_once::h70887edf07a630ba
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x57e7e583efab - test::__rust_begin_short_backtrace::h27763c4cbbdb8601
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:663:18
[INFO] [stdout]   27:     0x57e7e5854c15 - test::run_test_in_process::{{closure}}::h4dc8bc6d5e3924d3
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:74
[INFO] [stdout]   28:     0x57e7e5854c15 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h75905e8ffe81974f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   29:     0x57e7e5854c15 - std::panicking::catch_unwind::do_call::h0bc60366ba66eba5
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   30:     0x57e7e5854c15 - std::panicking::catch_unwind::hae1ec7bf94407afa
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   31:     0x57e7e5854c15 - std::panic::catch_unwind::h0f4ff4773d84d3cd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x57e7e5854c15 - test::run_test_in_process::h03fbc77ae48b3f10
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:27
[INFO] [stdout]   33:     0x57e7e5854c15 - test::run_test::{{closure}}::h83476a9c453dc4d3
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:607:43
[INFO] [stdout]   34:     0x57e7e582b404 - test::run_test::{{closure}}::h515482ad1e7fe7de
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:637:41
[INFO] [stdout]   35:     0x57e7e582b404 - std::sys::backtrace::__rust_begin_short_backtrace::hed09f6ac5fe9d647
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   36:     0x57e7e582ecca - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h988e2cd969319888
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   37:     0x57e7e582ecca - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd70e28dc46ec20be
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   38:     0x57e7e582ecca - std::panicking::catch_unwind::do_call::hdc29e11311eb7655
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   39:     0x57e7e582ecca - std::panicking::catch_unwind::h9e402d6a96fef41c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   40:     0x57e7e582ecca - std::panic::catch_unwind::h9213c0c54aec70e0
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x57e7e582ecca - std::thread::Builder::spawn_unchecked_::{{closure}}::h6262965869ed2b87
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   42:     0x57e7e582ecca - core::ops::function::FnOnce::call_once{{vtable.shim}}::h05c05ed02619e462
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x57e7e5879a3f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h2044e71c41d3958a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   44:     0x57e7e5879a3f - std::sys::thread::unix::Thread::new::thread_start::hf277835320aa8e5a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/thread/unix.rs:126:17
[INFO] [stdout]   45:     0x7d4cb0d72aa4 - <unknown>
[INFO] [stdout]   46:     0x7d4cb0dffa34 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     a
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test a`
[INFO] running `Command { std: "docker" "inspect" "132a86046237f53826ae059476726e99d3d99ff9b71fee7626061df30ddd1ad3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "132a86046237f53826ae059476726e99d3d99ff9b71fee7626061df30ddd1ad3", kill_on_drop: false }`
[INFO] [stdout] 132a86046237f53826ae059476726e99d3d99ff9b71fee7626061df30ddd1ad3
