[INFO] cloning repository https://github.com/dinaraparanid/2-3-B-Tree-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dinaraparanid/2-3-B-Tree-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdinaraparanid%2F2-3-B-Tree-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdinaraparanid%2F2-3-B-Tree-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fcf7e41836c872c566cac45743638b164bee490b [INFO] building dinaraparanid/2-3-B-Tree-rs 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%2Fdinaraparanid%2F2-3-B-Tree-rs" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dinaraparanid/2-3-B-Tree-rs 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/dinaraparanid/2-3-B-Tree-rs [INFO] finished tweaking git repo https://github.com/dinaraparanid/2-3-B-Tree-rs [INFO] tweaked toml for git repo https://github.com/dinaraparanid/2-3-B-Tree-rs written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/dinaraparanid/2-3-B-Tree-rs 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-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dfdc73038b382b60eda705c984c75a2d67aab79615094c2e435877cf7b517ccd [INFO] running `Command { std: "docker" "start" "-a" "dfdc73038b382b60eda705c984c75a2d67aab79615094c2e435877cf7b517ccd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dfdc73038b382b60eda705c984c75a2d67aab79615094c2e435877cf7b517ccd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dfdc73038b382b60eda705c984c75a2d67aab79615094c2e435877cf7b517ccd", kill_on_drop: false }` [INFO] [stdout] dfdc73038b382b60eda705c984c75a2d67aab79615094c2e435877cf7b517ccd [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 -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] 229b7e182c66eaddad61ea4b7f64a022b93773c8192dbeb5a1af5d0ae810fbc3 [INFO] running `Command { std: "docker" "start" "-a" "229b7e182c66eaddad61ea4b7f64a022b93773c8192dbeb5a1af5d0ae810fbc3", kill_on_drop: false }` [INFO] [stderr] Compiling kek v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: constant `MAX_CHILDREN` is never used [INFO] [stdout] --> src/main.rs:11:11 [INFO] [stdout] | [INFO] [stdout] 11 | const MAX_CHILDREN: usize = 3; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/main.rs:214:16 [INFO] [stdout] | [INFO] [stdout] 204 | impl BTreeNode { [INFO] [stdout] | -------------------------------------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 214 | pub fn is_node(&self) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 219 | pub fn unwrap_as_leaf(&self) -> &BTreeLeaf { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 227 | pub fn unwrap_as_leaf_mut(&mut self) -> &mut BTreeLeaf { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 251 | pub fn unwrap_as_subtree(&self) -> &BTreeSubTree { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 267 | pub fn unwrap_as_subtree_mut(&mut self) -> &mut BTreeSubTree { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 283 | pub fn get_parent(&self) -> Option<&Weak>>> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 291 | pub fn get_parent_mut(&mut self) -> Option<&mut Weak>>> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 315 | pub fn get_values_mut(&mut self) -> &mut Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 341 | pub fn first(this: Rc>) -> Option> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 352 | pub fn last_leaf(this: Rc>) -> Rc> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 371 | pub fn last(this: Rc>) -> Option> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 405 | pub fn get(this: Rc>, index: usize) -> Rc { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 442 | pub fn find(this: Rc>, value: &T) -> Rc> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple methods are never used [INFO] [stdout] --> src/main.rs:467:16 [INFO] [stdout] | [INFO] [stdout] 460 | impl BTree { [INFO] [stdout] | ---------------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 467 | pub fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 475 | pub fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 480 | pub fn is_not_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 835 | pub fn first(&self) -> Option> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 843 | pub fn last(&self) -> Option> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 851 | pub fn iter(&self) -> BTreeIter { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 860 | pub unsafe fn get_unchecked(&self, index: usize) -> Rc { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 865 | pub fn get(&self, index: usize) -> Option> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 874 | pub fn find(&self, value: &T) -> BTreeIter { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s [INFO] running `Command { std: "docker" "inspect" "229b7e182c66eaddad61ea4b7f64a022b93773c8192dbeb5a1af5d0ae810fbc3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "229b7e182c66eaddad61ea4b7f64a022b93773c8192dbeb5a1af5d0ae810fbc3", kill_on_drop: false }` [INFO] [stdout] 229b7e182c66eaddad61ea4b7f64a022b93773c8192dbeb5a1af5d0ae810fbc3 [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 -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] 50e2e96aefc93966ee327ee7580e0f8feb5bde1a65c036ce77fd95322e9a6f7a [INFO] running `Command { std: "docker" "start" "-a" "50e2e96aefc93966ee327ee7580e0f8feb5bde1a65c036ce77fd95322e9a6f7a", kill_on_drop: false }` [INFO] [stderr] Compiling kek v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: constant `MAX_CHILDREN` is never used [INFO] [stdout] --> src/main.rs:11:11 [INFO] [stdout] | [INFO] [stdout] 11 | const MAX_CHILDREN: usize = 3; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/main.rs:214:16 [INFO] [stdout] | [INFO] [stdout] 204 | impl BTreeNode { [INFO] [stdout] | -------------------------------------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 214 | pub fn is_node(&self) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 219 | pub fn unwrap_as_leaf(&self) -> &BTreeLeaf { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 227 | pub fn unwrap_as_leaf_mut(&mut self) -> &mut BTreeLeaf { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 251 | pub fn unwrap_as_subtree(&self) -> &BTreeSubTree { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 267 | pub fn unwrap_as_subtree_mut(&mut self) -> &mut BTreeSubTree { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 283 | pub fn get_parent(&self) -> Option<&Weak>>> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 291 | pub fn get_parent_mut(&mut self) -> Option<&mut Weak>>> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 315 | pub fn get_values_mut(&mut self) -> &mut Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 442 | pub fn find(this: Rc>, value: &T) -> Rc> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `is_empty`, `is_not_empty`, and `find` are never used [INFO] [stdout] --> src/main.rs:475:16 [INFO] [stdout] | [INFO] [stdout] 460 | impl BTree { [INFO] [stdout] | ---------------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 475 | pub fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 480 | pub fn is_not_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 874 | pub fn find(&self, value: &T) -> BTreeIter { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s [INFO] running `Command { std: "docker" "inspect" "50e2e96aefc93966ee327ee7580e0f8feb5bde1a65c036ce77fd95322e9a6f7a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "50e2e96aefc93966ee327ee7580e0f8feb5bde1a65c036ce77fd95322e9a6f7a", kill_on_drop: false }` [INFO] [stdout] 50e2e96aefc93966ee327ee7580e0f8feb5bde1a65c036ce77fd95322e9a6f7a