[INFO] cloning repository https://github.com/mflibby/BTree [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mflibby/BTree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmflibby%2FBTree", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmflibby%2FBTree'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2d5b7d46e272f8f3052453413aaf0161ab0c29f1 [INFO] building mflibby/BTree against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmflibby%2FBTree" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mflibby/BTree on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mflibby/BTree [INFO] finished tweaking git repo https://github.com/mflibby/BTree [INFO] tweaked toml for git repo https://github.com/mflibby/BTree written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/mflibby/BTree 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e7ffea65576197a47cacf59043d01d2e2d24016c828cc35f5f5f759dc7daf53a [INFO] running `Command { std: "docker" "start" "-a" "e7ffea65576197a47cacf59043d01d2e2d24016c828cc35f5f5f759dc7daf53a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e7ffea65576197a47cacf59043d01d2e2d24016c828cc35f5f5f759dc7daf53a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e7ffea65576197a47cacf59043d01d2e2d24016c828cc35f5f5f759dc7daf53a", kill_on_drop: false }` [INFO] [stdout] e7ffea65576197a47cacf59043d01d2e2d24016c828cc35f5f5f759dc7daf53a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cd8ba17a5672a6dc04142bca73f4ce321f516dd415b5fe0d8b193955340deed7 [INFO] running `Command { std: "docker" "start" "-a" "cd8ba17a5672a6dc04142bca73f4ce321f516dd415b5fe0d8b193955340deed7", kill_on_drop: false }` [INFO] [stderr] Compiling btree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `array`, `default`, and `ptr::null` [INFO] [stdout] --> src/lib.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{array, default, fmt::{Debug, Display}, ptr::null}; [INFO] [stdout] | ^^^^^ ^^^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `mutate_array` is never used [INFO] [stdout] --> src/lib.rs:60:4 [INFO] [stdout] | [INFO] [stdout] 60 | fn mutate_array(mut arr: [T; M], index: usize, elem: T) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `swap_keys` is never used [INFO] [stdout] --> src/lib.rs:64:4 [INFO] [stdout] | [INFO] [stdout] 64 | fn swap_keys(mut arr: Vec, removal_index: usize, insertion_index: usize, elem: T) -> T { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `has_decendency`, and `DI` are never used [INFO] [stdout] --> src/lib.rs:78:8 [INFO] [stdout] | [INFO] [stdout] 77 | impl Node { [INFO] [stdout] | ----------------------------------------------------------------- associated items in this implementation [INFO] [stdout] 78 | fn new() -> Node { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 94 | fn has_decendency(&self, dec: usize) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 106 | fn DI(&self) -> i64 { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | writeln!(f, "{:?}", self.keys); [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] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:43:13 [INFO] [stdout] | [INFO] [stdout] 43 | write!(f, "{}", i); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `DI` should have a snake case name [INFO] [stdout] --> src/lib.rs:106:8 [INFO] [stdout] | [INFO] [stdout] 106 | fn DI(&self) -> i64 { [INFO] [stdout] | ^^ help: convert the identifier to snake case: `di` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s [INFO] running `Command { std: "docker" "inspect" "cd8ba17a5672a6dc04142bca73f4ce321f516dd415b5fe0d8b193955340deed7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd8ba17a5672a6dc04142bca73f4ce321f516dd415b5fe0d8b193955340deed7", kill_on_drop: false }` [INFO] [stdout] cd8ba17a5672a6dc04142bca73f4ce321f516dd415b5fe0d8b193955340deed7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 57ebfa0759790ccc9f7fac14c22a3024a46475d701740c2c734402dcc94b3067 [INFO] running `Command { std: "docker" "start" "-a" "57ebfa0759790ccc9f7fac14c22a3024a46475d701740c2c734402dcc94b3067", kill_on_drop: false }` [INFO] [stdout] warning: unused imports: `array`, `default`, and `ptr::null` [INFO] [stdout] --> src/lib.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{array, default, fmt::{Debug, Display}, ptr::null}; [INFO] [stdout] | ^^^^^ ^^^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `mutate_array` is never used [INFO] [stdout] --> src/lib.rs:60:4 [INFO] [stdout] | [INFO] [stdout] 60 | fn mutate_array(mut arr: [T; M], index: usize, elem: T) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `swap_keys` is never used [INFO] [stdout] --> src/lib.rs:64:4 [INFO] [stdout] | [INFO] [stdout] 64 | fn swap_keys(mut arr: Vec, removal_index: usize, insertion_index: usize, elem: T) -> T { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `has_decendency`, and `DI` are never used [INFO] [stdout] --> src/lib.rs:78:8 [INFO] [stdout] | [INFO] [stdout] 77 | impl Node { [INFO] [stdout] | ----------------------------------------------------------------- associated items in this implementation [INFO] [stdout] 78 | fn new() -> Node { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 94 | fn has_decendency(&self, dec: usize) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 106 | fn DI(&self) -> i64 { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | writeln!(f, "{:?}", self.keys); [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] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:43:13 [INFO] [stdout] | [INFO] [stdout] 43 | write!(f, "{}", i); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling btree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `DI` should have a snake case name [INFO] [stdout] --> src/lib.rs:106:8 [INFO] [stdout] | [INFO] [stdout] 106 | fn DI(&self) -> i64 { [INFO] [stdout] | ^^ help: convert the identifier to snake case: `di` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `array`, `default`, and `ptr::null` [INFO] [stdout] --> src/lib.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{array, default, fmt::{Debug, Display}, ptr::null}; [INFO] [stdout] | ^^^^^ ^^^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `mutate_array` is never used [INFO] [stdout] --> src/lib.rs:60:4 [INFO] [stdout] | [INFO] [stdout] 60 | fn mutate_array(mut arr: [T; M], index: usize, elem: T) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `swap_keys` is never used [INFO] [stdout] --> src/lib.rs:64:4 [INFO] [stdout] | [INFO] [stdout] 64 | fn swap_keys(mut arr: Vec, removal_index: usize, insertion_index: usize, elem: T) -> T { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `has_decendency`, and `DI` are never used [INFO] [stdout] --> src/lib.rs:78:8 [INFO] [stdout] | [INFO] [stdout] 77 | impl Node { [INFO] [stdout] | ----------------------------------------------------------------- associated items in this implementation [INFO] [stdout] 78 | fn new() -> Node { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 94 | fn has_decendency(&self, dec: usize) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 106 | fn DI(&self) -> i64 { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | writeln!(f, "{:?}", self.keys); [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] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:43:13 [INFO] [stdout] | [INFO] [stdout] 43 | write!(f, "{}", i); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `DI` should have a snake case name [INFO] [stdout] --> src/lib.rs:106:8 [INFO] [stdout] | [INFO] [stdout] 106 | fn DI(&self) -> i64 { [INFO] [stdout] | ^^ help: convert the identifier to snake case: `di` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s [INFO] running `Command { std: "docker" "inspect" "57ebfa0759790ccc9f7fac14c22a3024a46475d701740c2c734402dcc94b3067", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "57ebfa0759790ccc9f7fac14c22a3024a46475d701740c2c734402dcc94b3067", kill_on_drop: false }` [INFO] [stdout] 57ebfa0759790ccc9f7fac14c22a3024a46475d701740c2c734402dcc94b3067