[INFO] cloning repository https://github.com/Sporious/missionaries_and_cannibals_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sporious/missionaries_and_cannibals_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSporious%2Fmissionaries_and_cannibals_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSporious%2Fmissionaries_and_cannibals_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b2bdfde88abaab5e31944f3e8b91297062b93fd8 [INFO] checking Sporious/missionaries_and_cannibals_rust against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSporious%2Fmissionaries_and_cannibals_rust" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Sporious/missionaries_and_cannibals_rust on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Sporious/missionaries_and_cannibals_rust [INFO] finished tweaking git repo https://github.com/Sporious/missionaries_and_cannibals_rust [INFO] tweaked toml for git repo https://github.com/Sporious/missionaries_and_cannibals_rust written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/Sporious/missionaries_and_cannibals_rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f7fbcfe54858a81716602617d90ed05351d921160bb83e10eafccef0f8e635b1 [INFO] running `Command { std: "docker" "start" "-a" "f7fbcfe54858a81716602617d90ed05351d921160bb83e10eafccef0f8e635b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f7fbcfe54858a81716602617d90ed05351d921160bb83e10eafccef0f8e635b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f7fbcfe54858a81716602617d90ed05351d921160bb83e10eafccef0f8e635b1", kill_on_drop: false }` [INFO] [stdout] f7fbcfe54858a81716602617d90ed05351d921160bb83e10eafccef0f8e635b1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 818075f3b44d7381750ca0a29a6c8cde7e7d7b965ede758b37dc760b6f393244 [INFO] running `Command { std: "docker" "start" "-a" "818075f3b44d7381750ca0a29a6c8cde7e7d7b965ede758b37dc760b6f393244", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking missionaries_and_cannibals v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:71:29 [INFO] [stdout] | [INFO] [stdout] 71 | fn main() -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:71:29 [INFO] [stdout] | [INFO] [stdout] 71 | fn main() -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `delim` [INFO] [stdout] --> src/main.rs:26:38 [INFO] [stdout] | [INFO] [stdout] 26 | fn get_count_from_string(line: &str, delim: char) -> usize { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_delim` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cannibals` [INFO] [stdout] --> src/main.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | let cannibals = get_count_from_string(line, 'c'); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cannibals` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `missionaries` [INFO] [stdout] --> src/main.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | let missionaries = get_count_from_string(line, 'm'); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_missionaries` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `problem_state` [INFO] [stdout] --> src/main.rs:75:9 [INFO] [stdout] | [INFO] [stdout] 75 | let problem_state = input.lines().fold(ProblemState::default(), |a, l| { [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_problem_state` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `missionaries` [INFO] [stdout] --> src/main.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 44 | missionaries: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `cannibals` [INFO] [stdout] --> src/main.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 45 | cannibals: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `raft` [INFO] [stdout] --> src/main.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 46 | raft: bool, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `with_missionaries` [INFO] [stdout] --> src/main.rs:49:8 [INFO] [stdout] | [INFO] [stdout] 49 | fn with_missionaries(self, count: usize) -> BankState { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `with_cannibals` [INFO] [stdout] --> src/main.rs:56:8 [INFO] [stdout] | [INFO] [stdout] 56 | fn with_cannibals(self, count: usize) -> BankState { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `with_raft` [INFO] [stdout] --> src/main.rs:63:8 [INFO] [stdout] | [INFO] [stdout] 63 | fn with_raft(self) -> BankState { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `delim` [INFO] [stdout] --> src/main.rs:26:38 [INFO] [stdout] | [INFO] [stdout] 26 | fn get_count_from_string(line: &str, delim: char) -> usize { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_delim` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cannibals` [INFO] [stdout] --> src/main.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | let cannibals = get_count_from_string(line, 'c'); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cannibals` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `missionaries` [INFO] [stdout] --> src/main.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | let missionaries = get_count_from_string(line, 'm'); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_missionaries` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `problem_state` [INFO] [stdout] --> src/main.rs:75:9 [INFO] [stdout] | [INFO] [stdout] 75 | let problem_state = input.lines().fold(ProblemState::default(), |a, l| { [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_problem_state` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `missionaries` [INFO] [stdout] --> src/main.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 44 | missionaries: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `cannibals` [INFO] [stdout] --> src/main.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 45 | cannibals: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `raft` [INFO] [stdout] --> src/main.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 46 | raft: bool, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `with_missionaries` [INFO] [stdout] --> src/main.rs:49:8 [INFO] [stdout] | [INFO] [stdout] 49 | fn with_missionaries(self, count: usize) -> BankState { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `with_cannibals` [INFO] [stdout] --> src/main.rs:56:8 [INFO] [stdout] | [INFO] [stdout] 56 | fn with_cannibals(self, count: usize) -> BankState { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `with_raft` [INFO] [stdout] --> src/main.rs:63:8 [INFO] [stdout] | [INFO] [stdout] 63 | fn with_raft(self) -> BankState { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.56s [INFO] running `Command { std: "docker" "inspect" "818075f3b44d7381750ca0a29a6c8cde7e7d7b965ede758b37dc760b6f393244", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "818075f3b44d7381750ca0a29a6c8cde7e7d7b965ede758b37dc760b6f393244", kill_on_drop: false }` [INFO] [stdout] 818075f3b44d7381750ca0a29a6c8cde7e7d7b965ede758b37dc760b6f393244