[INFO] updating cached repository https://github.com/palindrom615/problem_solving [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 2025ca8c750a6667bef24acda93b9bdf24481a4f [INFO] testing palindrom615/problem_solving against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpalindrom615%2Fproblem_solving" "/workspace/builds/worker-11/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/palindrom615/problem_solving on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [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-11/source/Cargo.toml [INFO] crate git repo https://github.com/palindrom615/problem_solving already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 9a56d54cc395aff4a29fb2020811b0a1e1bf64797ef717761e5211324731450e [INFO] running `"docker" "start" "-a" "9a56d54cc395aff4a29fb2020811b0a1e1bf64797ef717761e5211324731450e"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling oorandom v11.1.0 [INFO] [stderr] Compiling regex v1.3.6 [INFO] [stderr] Compiling serde_json v1.0.51 [INFO] [stderr] Compiling bstr v0.2.12 [INFO] [stderr] Compiling plotters v0.2.12 [INFO] [stderr] Compiling criterion-plot v0.4.1 [INFO] [stderr] Compiling csv v1.1.3 [INFO] [stderr] Compiling tinytemplate v1.0.3 [INFO] [stderr] Compiling serde_derive v1.0.106 [INFO] [stderr] Compiling criterion v0.3.1 [INFO] [stderr] Compiling problem_solving v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error[E0282]: type annotations needed [INFO] [stderr] --> src/bin/boj17370.rs:8:18 [INFO] [stderr] | [INFO] [stderr] 8 | let n: i32 = read_line()[0]; [INFO] [stderr] | ^^^^^^^^^ cannot infer type for type parameter `B` declared on the function `read_line` [INFO] [stderr] | [INFO] [stderr] = note: type must be known at this point [INFO] [stderr] [INFO] [stderr] error[E0282]: type annotations needed [INFO] [stderr] --> src/bin/boj1723.rs:19:13 [INFO] [stderr] | [INFO] [stderr] 18 | let line = read_line(); [INFO] [stderr] | ---- consider giving `line` a type [INFO] [stderr] 19 | let n = line[0]; [INFO] [stderr] | ^^^^ cannot infer type [INFO] [stderr] | [INFO] [stderr] = note: type must be known at this point [INFO] [stderr] [INFO] [stderr] error[E0282]: type annotations needed [INFO] [stderr] --> src/bin/boj13301.rs:23:13 [INFO] [stderr] | [INFO] [stderr] 23 | let n = read_line()[0]; [INFO] [stderr] | ^^^^^^^^^ cannot infer type for type parameter `B` declared on the function `read_line` [INFO] [stderr] | [INFO] [stderr] = note: type must be known at this point [INFO] [stderr] [INFO] [stderr] error[E0282]: type annotations needed [INFO] [stderr] --> src/bin/boj5904.rs:24:20 [INFO] [stderr] | [INFO] [stderr] 24 | let n: usize = read_line()[0]; [INFO] [stderr] | ^^^^^^^^^ cannot infer type for type parameter `B` declared on the function `read_line` [INFO] [stderr] | [INFO] [stderr] = note: type must be known at this point [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/bin/boj12837.rs:7:9 [INFO] [stderr] | [INFO] [stderr] 7 | let n = line[0]; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] error[E0282]: type annotations needed [INFO] [stderr] --> src/bin/boj2086.rs:16:20 [INFO] [stderr] | [INFO] [stderr] 15 | let line = read_line(); [INFO] [stderr] | ---- consider giving `line` a type [INFO] [stderr] 16 | let a: usize = line[0]; [INFO] [stderr] | ^^^^ cannot infer type [INFO] [stderr] | [INFO] [stderr] = note: type must be known at this point [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0282`. [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/bin/boj2014.rs:11:9 [INFO] [stderr] | [INFO] [stderr] 11 | for i in 0..n { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `max_val` [INFO] [stderr] --> src/bin/boj2014.rs:14:18 [INFO] [stderr] | [INFO] [stderr] 14 | let &max_val = heap.peek_max().unwrap_or(&i32::max_value()); [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_val` [INFO] [stderr] [INFO] [stderr] error: could not compile `problem_solving`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error[E0282]: type annotations needed [INFO] [stderr] --> src/bin/boj11509.rs:16:20 [INFO] [stderr] | [INFO] [stderr] 16 | let n: usize = read_line()[0]; [INFO] [stderr] | ^^^^^^^^^ cannot infer type for type parameter `B` declared on the function `read_line` [INFO] [stderr] | [INFO] [stderr] = note: type must be known at this point [INFO] [stderr] [INFO] [stderr] error[E0282]: type annotations needed [INFO] [stderr] --> src/bin/boj10892.rs:27:20 [INFO] [stderr] | [INFO] [stderr] 27 | let n: usize = read_line()[0]; [INFO] [stderr] | ^^^^^^^^^ cannot infer type for type parameter `B` declared on the function `read_line` [INFO] [stderr] | [INFO] [stderr] = note: type must be known at this point [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0282`. [INFO] [stderr] error[E0282]: type annotations needed [INFO] [stderr] --> src/bin/boj11062.rs:50:18 [INFO] [stderr] | [INFO] [stderr] 50 | let t: i32 = read_line()[0]; [INFO] [stderr] | ^^^^^^^^^ cannot infer type for type parameter `B` declared on the function `read_line` [INFO] [stderr] | [INFO] [stderr] = note: type must be known at this point [INFO] [stderr] [INFO] [stderr] warning: unused variable: `graph` [INFO] [stderr] --> src/bin/boj13141.rs:18:10 [INFO] [stderr] | [INFO] [stderr] 18 | fn solve(graph: Vec>) -> f32 { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_graph` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0282`. [INFO] [stderr] error[E0282]: type annotations needed [INFO] [stderr] --> src/bin/blank.rs:4:18 [INFO] [stderr] | [INFO] [stderr] 4 | let t: i32 = read_line()[0]; [INFO] [stderr] | ^^^^^^^^^ cannot infer type for type parameter `B` declared on the function `read_line` [INFO] [stderr] | [INFO] [stderr] = note: type must be known at this point [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/boj13141.rs:6:9 [INFO] [stderr] | [INFO] [stderr] 6 | let mut res = vec![vec![std::usize::MAX; nodes + 1]; nodes + 1]; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `bfs` [INFO] [stderr] --> src/bin/boj13141.rs:3:4 [INFO] [stderr] | [INFO] [stderr] 3 | fn bfs(graph: Vec>) -> Vec> { [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `solve` [INFO] [stderr] --> src/bin/boj13141.rs:18:4 [INFO] [stderr] | [INFO] [stderr] 18 | fn solve(graph: Vec>) -> f32 { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0107]: wrong number of type arguments: expected 2, found 1 [INFO] [stderr] --> src/bin/boj11062.rs:52:17 [INFO] [stderr] | [INFO] [stderr] 52 | let _ = read_line::(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ expected 2 type arguments [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0282`. [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0282`. [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0282`. [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0282`. [INFO] [stderr] error[E0107]: wrong number of type arguments: expected 2, found 1 [INFO] [stderr] --> src/bin/boj15329.rs:23:16 [INFO] [stderr] | [INFO] [stderr] 23 | let line = read_line::(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ expected 2 type arguments [INFO] [stderr] [INFO] [stderr] error[E0107]: wrong number of type arguments: expected 2, found 1 [INFO] [stderr] --> src/bin/boj15485.rs:65:16 [INFO] [stderr] | [INFO] [stderr] 65 | let line = read_line::(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ expected 2 type arguments [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0107, E0282. [INFO] [stderr] For more information about an error, try `rustc --explain E0107`. [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0107`. [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0282`. [INFO] [stderr] error[E0282]: type annotations needed [INFO] [stderr] --> src/bin/boj16722.rs:155:13 [INFO] [stderr] | [INFO] [stderr] 155 | let n = read_line()[0]; [INFO] [stderr] | ^^^^^^^^^ cannot infer type for type parameter `B` declared on the function `read_line` [INFO] [stderr] | [INFO] [stderr] = note: type must be known at this point [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0107`. [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0282`. [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "9a56d54cc395aff4a29fb2020811b0a1e1bf64797ef717761e5211324731450e"` [INFO] running `"docker" "rm" "-f" "9a56d54cc395aff4a29fb2020811b0a1e1bf64797ef717761e5211324731450e"` [INFO] [stdout] 9a56d54cc395aff4a29fb2020811b0a1e1bf64797ef717761e5211324731450e