[INFO] cloning repository https://github.com/SaturnTeam/rust-algorithms [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SaturnTeam/rust-algorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaturnTeam%2Frust-algorithms", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaturnTeam%2Frust-algorithms'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 285781471f85260557e7b4c7abe2a364be9dd5b8 [INFO] checking SaturnTeam/rust-algorithms/285781471f85260557e7b4c7abe2a364be9dd5b8 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaturnTeam%2Frust-algorithms" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/SaturnTeam/rust-algorithms on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/SaturnTeam/rust-algorithms [INFO] finished tweaking git repo https://github.com/SaturnTeam/rust-algorithms [INFO] tweaked toml for git repo https://github.com/SaturnTeam/rust-algorithms written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/SaturnTeam/rust-algorithms 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded libc v0.2.43 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bef288b688ab49c9d8fea6aa815c63fb22a235451aaa3587bce18eb22588aba4 [INFO] running `Command { std: "docker" "start" "-a" "bef288b688ab49c9d8fea6aa815c63fb22a235451aaa3587bce18eb22588aba4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bef288b688ab49c9d8fea6aa815c63fb22a235451aaa3587bce18eb22588aba4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bef288b688ab49c9d8fea6aa815c63fb22a235451aaa3587bce18eb22588aba4", kill_on_drop: false }` [INFO] [stdout] bef288b688ab49c9d8fea6aa815c63fb22a235451aaa3587bce18eb22588aba4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3bf70274d661428f9f9bc26abe9030d61bebbd4cf7207704aaa7c3894a9fba59 [INFO] running `Command { std: "docker" "start" "-a" "3bf70274d661428f9f9bc26abe9030d61bebbd4cf7207704aaa7c3894a9fba59", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking rand_core v0.2.1 [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Checking rand v0.5.5 [INFO] [stderr] Checking a v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Rng` and `thread_rng` [INFO] [stdout] --> src/alg/max_pq.rs:5:18 [INFO] [stdout] | [INFO] [stdout] 5 | use self::rand::{thread_rng, Rng}; [INFO] [stdout] | ^^^^^^^^^^ ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Rng` and `thread_rng` [INFO] [stdout] --> src/alg/max_pq.rs:5:18 [INFO] [stdout] | [INFO] [stdout] 5 | use self::rand::{thread_rng, Rng}; [INFO] [stdout] | ^^^^^^^^^^ ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `core::str::::trim_right`: superseded by `trim_end` [INFO] [stdout] --> src/alg/uf.rs:182:28 [INFO] [stdout] | [INFO] [stdout] 182 | let count = first_line.trim_right().parse::().unwrap(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] help: replace the use of the deprecated method [INFO] [stdout] | [INFO] [stdout] 182 | let count = first_line.trim_end().parse::().unwrap(); [INFO] [stdout] | ~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `core::str::::trim_right`: superseded by `trim_end` [INFO] [stdout] --> src/alg/uf.rs:182:28 [INFO] [stdout] | [INFO] [stdout] 182 | let count = first_line.trim_right().parse::().unwrap(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] help: replace the use of the deprecated method [INFO] [stdout] | [INFO] [stdout] 182 | let count = first_line.trim_end().parse::().unwrap(); [INFO] [stdout] | ~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/alg/max_pq.rs:99:13 [INFO] [stdout] | [INFO] [stdout] 99 | Err(MyError::new("Priority queue underflow")); [INFO] [stdout] | ^^^ cannot infer type of the type parameter `T` declared on the enum `Result` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 99 | Err::(MyError::new("Priority queue underflow")); [INFO] [stdout] | ++++++++++++++ [INFO] [stdout] help: you might have meant to return this to infer its type parameters [INFO] [stdout] | [INFO] [stdout] 99 | return Err(MyError::new("Priority queue underflow")); [INFO] [stdout] | ++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/alg/max_pq.rs:99:13 [INFO] [stdout] | [INFO] [stdout] 99 | Err(MyError::new("Priority queue underflow")); [INFO] [stdout] | ^^^ cannot infer type of the type parameter `T` declared on the enum `Result` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 99 | Err::(MyError::new("Priority queue underflow")); [INFO] [stdout] | ++++++++++++++ [INFO] [stdout] help: you might have meant to return this to infer its type parameters [INFO] [stdout] | [INFO] [stdout] 99 | return Err(MyError::new("Priority queue underflow")); [INFO] [stdout] | ++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `low` [INFO] [stdout] --> src/alg/quicksort.rs:9:32 [INFO] [stdout] | [INFO] [stdout] 9 | fn private_sort(&mut self, low: usize, high: usize) {} [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_low` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `low` [INFO] [stdout] --> src/alg/quicksort.rs:9:32 [INFO] [stdout] | [INFO] [stdout] 9 | fn private_sort(&mut self, low: usize, high: usize) {} [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_low` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `high` [INFO] [stdout] --> src/alg/quicksort.rs:9:44 [INFO] [stdout] | [INFO] [stdout] 9 | fn private_sort(&mut self, low: usize, high: usize) {} [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_high` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `high` [INFO] [stdout] --> src/alg/quicksort.rs:9:44 [INFO] [stdout] | [INFO] [stdout] 9 | fn private_sort(&mut self, low: usize, high: usize) {} [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_high` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/alg/quicksort.rs:11:24 [INFO] [stdout] | [INFO] [stdout] 11 | fn exch(&mut self, i: usize, j: usize) {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `j` [INFO] [stdout] --> src/alg/quicksort.rs:11:34 [INFO] [stdout] | [INFO] [stdout] 11 | fn exch(&mut self, i: usize, j: usize) {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_j` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/alg/quicksort.rs:11:24 [INFO] [stdout] | [INFO] [stdout] 11 | fn exch(&mut self, i: usize, j: usize) {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `j` [INFO] [stdout] --> src/alg/quicksort.rs:11:34 [INFO] [stdout] | [INFO] [stdout] 11 | fn exch(&mut self, i: usize, j: usize) {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_j` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/alg/quicksort.rs:65:13 [INFO] [stdout] | [INFO] [stdout] 65 | let mut a = self[i]; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/alg/quicksort.rs:65:13 [INFO] [stdout] | [INFO] [stdout] 65 | let mut a = self[i]; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `unsorted_array` [INFO] [stdout] --> src/alg/max_pq.rs:148:13 [INFO] [stdout] | [INFO] [stdout] 148 | let mut unsorted_array: Vec = first_line [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unsorted_array` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `unsorted_array` [INFO] [stdout] --> src/alg/max_pq.rs:148:13 [INFO] [stdout] | [INFO] [stdout] 148 | let mut unsorted_array: Vec = first_line [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unsorted_array` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/alg/max_pq.rs:148:9 [INFO] [stdout] | [INFO] [stdout] 148 | let mut unsorted_array: Vec = first_line [INFO] [stdout] | ----^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/alg/max_pq.rs:148:9 [INFO] [stdout] | [INFO] [stdout] 148 | let mut unsorted_array: Vec = first_line [INFO] [stdout] | ----^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `a` (bin "a") due to 2 previous errors; 9 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `a` (bin "a" test) due to 2 previous errors; 9 warnings emitted [INFO] running `Command { std: "docker" "inspect" "3bf70274d661428f9f9bc26abe9030d61bebbd4cf7207704aaa7c3894a9fba59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3bf70274d661428f9f9bc26abe9030d61bebbd4cf7207704aaa7c3894a9fba59", kill_on_drop: false }` [INFO] [stdout] 3bf70274d661428f9f9bc26abe9030d61bebbd4cf7207704aaa7c3894a9fba59