[INFO] cloning repository https://github.com/palindrom615/problem_solving
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/palindrom615/problem_solving" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpalindrom615%2Fproblem_solving", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpalindrom615%2Fproblem_solving'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 56ff8b4121560baf4935bad19aeaf4a3c6171386
[INFO] testing palindrom615/problem_solving 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%2Fpalindrom615%2Fproblem_solving" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/palindrom615/problem_solving
[INFO] finished tweaking git repo https://github.com/palindrom615/problem_solving
[INFO] tweaked toml for git repo https://github.com/palindrom615/problem_solving written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/palindrom615/problem_solving 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/palindrom615/problem_solving 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] cd2db995795c08ccc30f01dd055c2c736f6d19da705f213e734e75a8aeb14216
[INFO] running `Command { std: "docker" "start" "-a" "cd2db995795c08ccc30f01dd055c2c736f6d19da705f213e734e75a8aeb14216", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd2db995795c08ccc30f01dd055c2c736f6d19da705f213e734e75a8aeb14216", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd2db995795c08ccc30f01dd055c2c736f6d19da705f213e734e75a8aeb14216", kill_on_drop: false }`
[INFO] [stdout] cd2db995795c08ccc30f01dd055c2c736f6d19da705f213e734e75a8aeb14216
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] d517281ca93d17ea2658fd66160094fce4b72ad9235602a3dfad4bb825397714
[INFO] running `Command { std: "docker" "start" "-a" "d517281ca93d17ea2658fd66160094fce4b72ad9235602a3dfad4bb825397714", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling oorandom v11.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling criterion-plot v0.4.1
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling regex v1.3.6
[INFO] [stderr]    Compiling plotters v0.2.12
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling bstr v0.2.12
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling tinytemplate v1.0.3
[INFO] [stderr]    Compiling criterion v0.3.1
[INFO] [stderr]    Compiling problem_solving v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]  --> src/bin/blank.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let t: i32 = read_line()[0];
[INFO] [stdout]   |                  ^^^^^^^^^ cannot infer type of the type parameter `B` declared on the function `read_line`
[INFO] [stdout]   |
[INFO] [stdout] help: consider specifying the generic arguments
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let t: i32 = read_line::<T, B>()[0];
[INFO] [stdout]   |                           ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]  --> src/bin/boj17370.rs:8:18
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let n: i32 = read_line()[0];
[INFO] [stdout]   |                  ^^^^^^^^^ cannot infer type of the type parameter `B` declared on the function `read_line`
[INFO] [stdout]   |
[INFO] [stdout] help: consider specifying the generic arguments
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let n: i32 = read_line::<T, B>()[0];
[INFO] [stdout]   |                           ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]  --> src/bin/boj17370.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn solve(n: i32) -> i32 {
[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] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/bin/boj5904.rs:24:20
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let n: usize = read_line()[0];
[INFO] [stdout]    |                    ^^^^^^^^^ cannot infer type of the type parameter `B` declared on the function `read_line`
[INFO] [stdout]    |
[INFO] [stdout] help: consider specifying the generic arguments
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let n: usize = read_line::<T, B>()[0];
[INFO] [stdout]    |                             ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `problem_solving` (bin "blank") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `problem_solving` (bin "boj5904") due to 1 previous error
[INFO] [stderr] error: could not compile `problem_solving` (bin "boj17370") due to 1 previous error; 1 warning emitted
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/bin/boj11508.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let n = read_line()[0];
[INFO] [stdout]    |             ^^^^^^^^^ cannot infer type of the type parameter `B` declared on the function `read_line`
[INFO] [stdout]    |
[INFO] [stdout] help: consider specifying the generic arguments
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let n = read_line::<T, B>()[0];
[INFO] [stdout]    |                      ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/bin/boj11509.rs:16:20
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let n: usize = read_line()[0];
[INFO] [stdout]    |                    ^^^^^^^^^ cannot infer type of the type parameter `B` declared on the function `read_line`
[INFO] [stdout]    |
[INFO] [stdout] help: consider specifying the generic arguments
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let n: usize = read_line::<T, B>()[0];
[INFO] [stdout]    |                             ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `problem_solving` (bin "boj11508") due to 1 previous error
[INFO] [stderr] error: could not compile `problem_solving` (bin "boj11509") due to 1 previous error
[INFO] [stdout] error[E0107]: function takes 2 generic arguments but 1 generic argument was supplied
[INFO] [stdout]   --> src/bin/boj15485.rs:65:16
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let line = read_line::<String>();
[INFO] [stdout]    |                ^^^^^^^^^   ------ supplied 1 generic argument
[INFO] [stdout]    |                |
[INFO] [stdout]    |                expected 2 generic arguments
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here, with 2 generic parameters: `T`, `B`
[INFO] [stdout]   --> /opt/rustwide/workdir/src/utils.rs:5:8
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub fn read_line<T: FromStr, B: FromIterator<T>>() -> B {
[INFO] [stdout]    |        ^^^^^^^^^ -           -
[INFO] [stdout] help: add missing generic argument
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let line = read_line::<String, B>();
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0107`.
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/bin/boj10892.rs:27:20
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let n: usize = read_line()[0];
[INFO] [stdout]    |                    ^^^^^^^^^ cannot infer type of the type parameter `B` declared on the function `read_line`
[INFO] [stdout]    |
[INFO] [stdout] help: consider specifying the generic arguments
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let n: usize = read_line::<T, B>()[0];
[INFO] [stdout]    |                             ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `problem_solving` (bin "boj15485") due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `problem_solving` (bin "boj10892") due to 1 previous error
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]  --> src/bin/boj12837.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let n = line[0];
[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] error: could not compile `problem_solving` (bin "boj15329") due to 1 previous error
[INFO] [stdout] error[E0107]: function takes 2 generic arguments but 1 generic argument was supplied
[INFO] [stdout]   --> src/bin/boj15329.rs:23:16
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let line = read_line::<i64>();
[INFO] [stdout]    |                ^^^^^^^^^   --- supplied 1 generic argument
[INFO] [stdout]    |                |
[INFO] [stdout]    |                expected 2 generic arguments
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here, with 2 generic parameters: `T`, `B`
[INFO] [stdout]   --> /opt/rustwide/workdir/src/utils.rs:5:8
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub fn read_line<T: FromStr, B: FromIterator<T>>() -> B {
[INFO] [stdout]    |        ^^^^^^^^^ -           -
[INFO] [stdout] help: add missing generic argument
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let line = read_line::<i64, B>();
[INFO] [stdout]    |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `problem_solving` (bin "boj16722") due to 1 previous error
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/bin/boj13141.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut res = vec![vec![std::usize::MAX; nodes + 1]; nodes + 1];
[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] error: could not compile `problem_solving` (bin "boj13301") due to 1 previous error
[INFO] [stdout] warning: unused variable: `graph`
[INFO] [stdout]   --> src/bin/boj13141.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn solve(graph: Vec<Vec<usize>>) -> f32 {
[INFO] [stdout]    |          ^^^^^ help: if this is intentional, prefix it with an underscore: `_graph`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bfs` is never used
[INFO] [stdout]  --> src/bin/boj13141.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn bfs(graph: Vec<Vec<usize>>) -> Vec<Vec<usize>> {
[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 `solve` is never used
[INFO] [stdout]   --> src/bin/boj13141.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn solve(graph: Vec<Vec<usize>>) -> f32 {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/bin/boj16722.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |     let n = read_line()[0];
[INFO] [stdout]     |             ^^^^^^^^^ cannot infer type of the type parameter `B` declared on the function `read_line`
[INFO] [stdout]     |
[INFO] [stdout] help: consider specifying the generic arguments
[INFO] [stdout]     |
[INFO] [stdout] 155 |     let n = read_line::<T, B>()[0];
[INFO] [stdout]     |                      ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0107`.
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/bin/boj13301.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let n = read_line()[0];
[INFO] [stdout]    |             ^^^^^^^^^ cannot infer type of the type parameter `B` declared on the function `read_line`
[INFO] [stdout]    |
[INFO] [stdout] help: consider specifying the generic arguments
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let n = read_line::<T, B>()[0];
[INFO] [stdout]    |                      ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/bin/boj1723.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let line = read_line();
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 19 |     let n = line[0];
[INFO] [stdout]    |             ---- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving `line` an explicit type
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let line: /* Type */ = read_line();
[INFO] [stdout]    |             ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `problem_solving` (bin "boj1723") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "d517281ca93d17ea2658fd66160094fce4b72ad9235602a3dfad4bb825397714", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d517281ca93d17ea2658fd66160094fce4b72ad9235602a3dfad4bb825397714", kill_on_drop: false }`
[INFO] [stdout] d517281ca93d17ea2658fd66160094fce4b72ad9235602a3dfad4bb825397714
