[INFO] cloning repository https://github.com/cvuillecard/BTree [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cvuillecard/BTree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcvuillecard%2FBTree", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcvuillecard%2FBTree'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 72005f82d1b2c8dd44abc11a6f8522102c413134 [INFO] checking cvuillecard/BTree against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcvuillecard%2FBTree" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cvuillecard/BTree on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cvuillecard/BTree [INFO] finished tweaking git repo https://github.com/cvuillecard/BTree [INFO] tweaked toml for git repo https://github.com/cvuillecard/BTree written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/cvuillecard/BTree already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7652bcee018b12bab652c32ab63185567ea2cc1337b1e5bbd8bfbb0c26f6b714 [INFO] running `Command { std: "docker" "start" "-a" "7652bcee018b12bab652c32ab63185567ea2cc1337b1e5bbd8bfbb0c26f6b714", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7652bcee018b12bab652c32ab63185567ea2cc1337b1e5bbd8bfbb0c26f6b714", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7652bcee018b12bab652c32ab63185567ea2cc1337b1e5bbd8bfbb0c26f6b714", kill_on_drop: false }` [INFO] [stdout] 7652bcee018b12bab652c32ab63185567ea2cc1337b1e5bbd8bfbb0c26f6b714 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fd4d258a6154723075f2c4e58c49f783aefcb8f9d6cb0834a5c207ea04d107ac [INFO] running `Command { std: "docker" "start" "-a" "fd4d258a6154723075f2c4e58c49f783aefcb8f9d6cb0834a5c207ea04d107ac", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling crossbeam-queue v0.3.2 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking crossbeam v0.8.1 [INFO] [stderr] Checking BTree v0.1.0 (/tmp/fixit) [INFO] [stderr] Migrating src/main.rs from 2018 edition to 2021 [INFO] [stderr] Fixed src/btree/mod.rs (7 fixes) [INFO] [stdout] warning: constant is never used: `ARITY` [INFO] [stdout] --> src/btree/mod.rs:18:1 [INFO] [stdout] | [INFO] [stdout] 18 | pub const ARITY: usize = 2; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/btree/mod.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn new(data: T) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `root` [INFO] [stdout] --> src/btree/mod.rs:72:12 [INFO] [stdout] | [INFO] [stdout] 72 | pub fn root(&mut self) -> &mut Node { &mut self.buf[0] } [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `left` [INFO] [stdout] --> src/btree/mod.rs:74:12 [INFO] [stdout] | [INFO] [stdout] 74 | pub fn left(&mut self, idx: usize) -> usize { ARITY * idx + 1 } [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `right` [INFO] [stdout] --> src/btree/mod.rs:76:12 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn right(&mut self, idx: usize) -> usize { ARITY * idx + 2 } [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `parent` [INFO] [stdout] --> src/btree/mod.rs:78:12 [INFO] [stdout] | [INFO] [stdout] 78 | pub fn parent(&mut self, idx: usize) -> usize { (idx - 1) / 2 } [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `search` [INFO] [stdout] --> src/btree/mod.rs:85:12 [INFO] [stdout] | [INFO] [stdout] 85 | pub fn search(&mut self, data: &T) -> Option<&mut T> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `binary_search` [INFO] [stdout] --> src/btree/mod.rs:89:8 [INFO] [stdout] | [INFO] [stdout] 89 | fn binary_search(&mut self, data: &T, start_idx: &mut isize, end_idx: &mut isize) -> Option<&mut T> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `binary_search` [INFO] [stdout] --> src/btree/mod.rs:105:4 [INFO] [stdout] | [INFO] [stdout] 105 | fn binary_search<'a, T: std::cmp::PartialEq + std::cmp::PartialOrd>(buf: &'a [Node], data: &'a T, start_idx: &'a isize, end_idx: &'a i... [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `search_by_chunk` [INFO] [stdout] --> src/btree/mod.rs:123:4 [INFO] [stdout] | [INFO] [stdout] 123 | fn search_by_chunk(btree: &mut VecBtree, data: &T, chunk_size: usize) -> Optio... [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `BTree` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `btree` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/btree/mod.rs:129:5 [INFO] [stdout] | [INFO] [stdout] 129 | / crossbeam::scope(|spawner| { [INFO] [stdout] 130 | | for (i, line) in lines.into_iter().enumerate() { [INFO] [stdout] 131 | | if !r.is_empty() { [INFO] [stdout] 132 | | break; [INFO] [stdout] ... | [INFO] [stdout] 141 | | } [INFO] [stdout] 142 | | }); [INFO] [stdout] | |_______^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/btree/mod.rs:138:21 [INFO] [stdout] | [INFO] [stdout] 138 | sender.send((i, *v)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/btree/mod.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn new(data: T) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `BTree` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `btree` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/btree/mod.rs:129:5 [INFO] [stdout] | [INFO] [stdout] 129 | / crossbeam::scope(|spawner| { [INFO] [stdout] 130 | | for (i, line) in lines.into_iter().enumerate() { [INFO] [stdout] 131 | | if !r.is_empty() { [INFO] [stdout] 132 | | break; [INFO] [stdout] ... | [INFO] [stdout] 141 | | } [INFO] [stdout] 142 | | }); [INFO] [stdout] | |_______^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/btree/mod.rs:138:21 [INFO] [stdout] | [INFO] [stdout] 138 | sender.send((i, *v)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.59s [INFO] [stderr] Running `cargo check` to verify 2021 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking BTree v0.1.0 (/tmp/fixit) [INFO] [stdout] warning: constant is never used: `ARITY` [INFO] [stdout] --> src/btree/mod.rs:18:1 [INFO] [stdout] | [INFO] [stdout] 18 | pub const ARITY: usize = 2; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/btree/mod.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn new(data: T) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `root` [INFO] [stdout] --> src/btree/mod.rs:72:12 [INFO] [stdout] | [INFO] [stdout] 72 | pub fn root(&mut self) -> &mut Node { &mut self.buf[0] } [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `left` [INFO] [stdout] --> src/btree/mod.rs:74:12 [INFO] [stdout] | [INFO] [stdout] 74 | pub fn left(&mut self, idx: usize) -> usize { ARITY * idx + 1 } [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `right` [INFO] [stdout] --> src/btree/mod.rs:76:12 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn right(&mut self, idx: usize) -> usize { ARITY * idx + 2 } [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `parent` [INFO] [stdout] --> src/btree/mod.rs:78:12 [INFO] [stdout] | [INFO] [stdout] 78 | pub fn parent(&mut self, idx: usize) -> usize { (idx - 1) / 2 } [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `search` [INFO] [stdout] --> src/btree/mod.rs:85:12 [INFO] [stdout] | [INFO] [stdout] 85 | pub fn search(&mut self, data: &T) -> Option<&mut T> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `binary_search` [INFO] [stdout] --> src/btree/mod.rs:89:8 [INFO] [stdout] | [INFO] [stdout] 89 | fn binary_search(&mut self, data: &T, start_idx: &mut isize, end_idx: &mut isize) -> Option<&mut T> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `binary_search` [INFO] [stdout] --> src/btree/mod.rs:105:4 [INFO] [stdout] | [INFO] [stdout] 105 | fn binary_search<'a, T: std::cmp::PartialEq + std::cmp::PartialOrd>(buf: &'a [Node], data: &'a T, start_idx: &'a isize, end_idx: &'a i... [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `search_by_chunk` [INFO] [stdout] --> src/btree/mod.rs:123:4 [INFO] [stdout] | [INFO] [stdout] 123 | fn search_by_chunk(btree: &mut VecBtree, data: &T, chunk_size: usize) -> Optio... [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `BTree` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `btree` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/btree/mod.rs:129:5 [INFO] [stdout] | [INFO] [stdout] 129 | / crossbeam::scope(|spawner| { [INFO] [stdout] 130 | | for (i, line) in lines.into_iter().enumerate() { [INFO] [stdout] 131 | | if !r.is_empty() { [INFO] [stdout] 132 | | break; [INFO] [stdout] ... | [INFO] [stdout] 141 | | } [INFO] [stdout] 142 | | }); [INFO] [stdout] | |_______^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/btree/mod.rs:138:21 [INFO] [stdout] | [INFO] [stdout] 138 | sender.send((i, *v)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/btree/mod.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn new(data: T) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `BTree` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `btree` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/btree/mod.rs:129:5 [INFO] [stdout] | [INFO] [stdout] 129 | / crossbeam::scope(|spawner| { [INFO] [stdout] 130 | | for (i, line) in lines.into_iter().enumerate() { [INFO] [stdout] 131 | | if !r.is_empty() { [INFO] [stdout] 132 | | break; [INFO] [stdout] ... | [INFO] [stdout] 141 | | } [INFO] [stdout] 142 | | }); [INFO] [stdout] | |_______^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/btree/mod.rs:138:21 [INFO] [stdout] | [INFO] [stdout] 138 | sender.send((i, *v)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.64s [INFO] running `Command { std: "docker" "inspect" "fd4d258a6154723075f2c4e58c49f783aefcb8f9d6cb0834a5c207ea04d107ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fd4d258a6154723075f2c4e58c49f783aefcb8f9d6cb0834a5c207ea04d107ac", kill_on_drop: false }` [INFO] [stdout] fd4d258a6154723075f2c4e58c49f783aefcb8f9d6cb0834a5c207ea04d107ac