[INFO] cloning repository https://github.com/brayckner/data_structures_in_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brayckner/data_structures_in_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrayckner%2Fdata_structures_in_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrayckner%2Fdata_structures_in_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6fc201696e638b9fa69a706a98d2a5c29b8432fb [INFO] checking brayckner/data_structures_in_rust against master#0fb279be1d96464c69209053ef0f97ad63088cda for pr-143857 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrayckner%2Fdata_structures_in_rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/brayckner/data_structures_in_rust [INFO] finished tweaking git repo https://github.com/brayckner/data_structures_in_rust [INFO] tweaked toml for git repo https://github.com/brayckner/data_structures_in_rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/brayckner/data_structures_in_rust on toolchain 0fb279be1d96464c69209053ef0f97ad63088cda [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0fb279be1d96464c69209053ef0f97ad63088cda" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/brayckner/data_structures_in_rust 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" "+0fb279be1d96464c69209053ef0f97ad63088cda" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0fb279be1d96464c69209053ef0f97ad63088cda" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4fa4f2d6a3583331e6c407fd35cd6b6e2e5ae42ae1a04a077f0416bf2fd759aa [INFO] running `Command { std: "docker" "start" "-a" "4fa4f2d6a3583331e6c407fd35cd6b6e2e5ae42ae1a04a077f0416bf2fd759aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4fa4f2d6a3583331e6c407fd35cd6b6e2e5ae42ae1a04a077f0416bf2fd759aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4fa4f2d6a3583331e6c407fd35cd6b6e2e5ae42ae1a04a077f0416bf2fd759aa", kill_on_drop: false }` [INFO] [stdout] 4fa4f2d6a3583331e6c407fd35cd6b6e2e5ae42ae1a04a077f0416bf2fd759aa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0fb279be1d96464c69209053ef0f97ad63088cda" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2b3536e71fcf1a6e695eb62d0738cfd757e9040c86b6fdf11c3424c1dc9f64d8 [INFO] running `Command { std: "docker" "start" "-a" "2b3536e71fcf1a6e695eb62d0738cfd757e9040c86b6fdf11c3424c1dc9f64d8", kill_on_drop: false }` [INFO] [stderr] Checking data_structures_in_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable `myArray` should have a snake case name [INFO] [stdout] --> src/main.rs:21:13 [INFO] [stdout] | [INFO] [stdout] 21 | let mut myArray = DynamicArray::new(); [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case: `my_array` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `termToSearch` should have a snake case name [INFO] [stdout] --> src/main.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | let termToSearch = "Andrew"; [INFO] [stdout] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `term_to_search` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 40 | myArray.insert_at("Ryan", 2); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 40 | let _ = myArray.insert_at("Ryan", 2); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:51:5 [INFO] [stdout] | [INFO] [stdout] 51 | myArray.remove_at(1); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 51 | let _ = myArray.remove_at(1); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `myArray` should have a snake case name [INFO] [stdout] --> src/main.rs:21:13 [INFO] [stdout] | [INFO] [stdout] 21 | let mut myArray = DynamicArray::new(); [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case: `my_array` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `termToSearch` should have a snake case name [INFO] [stdout] --> src/main.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | let termToSearch = "Andrew"; [INFO] [stdout] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `term_to_search` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 40 | myArray.insert_at("Ryan", 2); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 40 | let _ = myArray.insert_at("Ryan", 2); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:51:5 [INFO] [stdout] | [INFO] [stdout] 51 | myArray.remove_at(1); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 51 | let _ = myArray.remove_at(1); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s [INFO] running `Command { std: "docker" "inspect" "2b3536e71fcf1a6e695eb62d0738cfd757e9040c86b6fdf11c3424c1dc9f64d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b3536e71fcf1a6e695eb62d0738cfd757e9040c86b6fdf11c3424c1dc9f64d8", kill_on_drop: false }` [INFO] [stdout] 2b3536e71fcf1a6e695eb62d0738cfd757e9040c86b6fdf11c3424c1dc9f64d8