[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 master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcvuillecard%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/cvuillecard/BTree on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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-6-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ca505bb1a3cd08c1d9cd848cc7aceed5779df87aaf2f81e0b8267f4846bc41c8 [INFO] running `Command { std: "docker" "start" "-a" "ca505bb1a3cd08c1d9cd848cc7aceed5779df87aaf2f81e0b8267f4846bc41c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ca505bb1a3cd08c1d9cd848cc7aceed5779df87aaf2f81e0b8267f4846bc41c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca505bb1a3cd08c1d9cd848cc7aceed5779df87aaf2f81e0b8267f4846bc41c8", kill_on_drop: false }` [INFO] [stdout] ca505bb1a3cd08c1d9cd848cc7aceed5779df87aaf2f81e0b8267f4846bc41c8 [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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a8c239f32db698d030e1df3eebd386e5a3b04961cfdc51134e5f78ffcf40def0 [INFO] running `Command { std: "docker" "start" "-a" "a8c239f32db698d030e1df3eebd386e5a3b04961cfdc51134e5f78ffcf40def0", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-queue v0.3.2 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking crossbeam-epoch v0.9.5 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking crossbeam v0.8.1 [INFO] [stderr] Checking BTree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/btree/mod.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `PartialEq` is imported redundantly [INFO] [stdout] --> src/btree/mod.rs:6:16 [INFO] [stdout] | [INFO] [stdout] 6 | use std::cmp::{PartialEq, PartialOrd}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `PartialEq` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `PartialOrd` is imported redundantly [INFO] [stdout] --> src/btree/mod.rs:6:27 [INFO] [stdout] | [INFO] [stdout] 6 | use std::cmp::{PartialEq, PartialOrd}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `PartialOrd` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Into` [INFO] [stdout] --> src/btree/mod.rs:7:26 [INFO] [stdout] | [INFO] [stdout] 7 | use std::convert::{From, Into}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/btree/mod.rs:7:20 [INFO] [stdout] | [INFO] [stdout] 7 | use std::convert::{From, Into}; [INFO] [stdout] | ^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `fmt`, `thread` [INFO] [stdout] --> src/btree/mod.rs:9:11 [INFO] [stdout] | [INFO] [stdout] 9 | use std::{fmt, thread}; [INFO] [stdout] | ^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::Borrow` [INFO] [stdout] --> src/btree/mod.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Receiver`, `Sender` [INFO] [stdout] --> src/btree/mod.rs:11:23 [INFO] [stdout] | [INFO] [stdout] 11 | use std::sync::mpsc::{Sender, Receiver}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::mpsc` [INFO] [stdout] --> src/btree/mod.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::sync::mpsc; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::slice::ChunksMut` [INFO] [stdout] --> src/btree/mod.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::slice::ChunksMut; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `PartialEq` is imported redundantly [INFO] [stdout] --> src/btree/mod.rs:6:16 [INFO] [stdout] | [INFO] [stdout] 6 | use std::cmp::{PartialEq, PartialOrd}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `PartialEq` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `PartialOrd` is imported redundantly [INFO] [stdout] --> src/btree/mod.rs:6:27 [INFO] [stdout] | [INFO] [stdout] 6 | use std::cmp::{PartialEq, PartialOrd}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `PartialOrd` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Into` [INFO] [stdout] --> src/btree/mod.rs:7:26 [INFO] [stdout] | [INFO] [stdout] 7 | use std::convert::{From, Into}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/btree/mod.rs:7:20 [INFO] [stdout] | [INFO] [stdout] 7 | use std::convert::{From, Into}; [INFO] [stdout] | ^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `fmt`, `thread` [INFO] [stdout] --> src/btree/mod.rs:9:11 [INFO] [stdout] | [INFO] [stdout] 9 | use std::{fmt, thread}; [INFO] [stdout] | ^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::Borrow` [INFO] [stdout] --> src/btree/mod.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Receiver`, `Sender` [INFO] [stdout] --> src/btree/mod.rs:11:23 [INFO] [stdout] | [INFO] [stdout] 11 | use std::sync::mpsc::{Sender, Receiver}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::mpsc` [INFO] [stdout] --> src/btree/mod.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::sync::mpsc; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::slice::ChunksMut` [INFO] [stdout] --> src/btree/mod.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::slice::ChunksMut; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `scope` [INFO] [stdout] --> src/btree/mod.rs:135:33 [INFO] [stdout] | [INFO] [stdout] 135 | spawner.spawn(move |scope| { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_scope` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `ARITY` is never used [INFO] [stdout] --> src/btree/mod.rs:18:11 [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: field `data` is never read [INFO] [stdout] --> src/btree/mod.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 21 | pub struct Node { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 22 | data: T [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Node` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/btree/mod.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 25 | impl Node { [INFO] [stdout] | ----------------------------------------------------------------------- associated function in this implementation [INFO] [stdout] 26 | pub fn new(data: T) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `root`, `left`, `right`, `parent`, `search`, and `binary_search` are never used [INFO] [stdout] --> src/btree/mod.rs:72:12 [INFO] [stdout] | [INFO] [stdout] 60 | impl VecBtree { [INFO] [stdout] | --------------------------------------------------------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 72 | pub fn root(&mut self) -> &mut Node { &mut self.buf[0] } [INFO] [stdout] | ^^^^ [INFO] [stdout] 73 | [INFO] [stdout] 74 | pub fn left(&mut self, idx: usize) -> usize { ARITY * idx + 1 } [INFO] [stdout] | ^^^^ [INFO] [stdout] 75 | [INFO] [stdout] 76 | pub fn right(&mut self, idx: usize) -> usize { ARITY * idx + 2 } [INFO] [stdout] | ^^^^^ [INFO] [stdout] 77 | [INFO] [stdout] 78 | pub fn parent(&mut self, idx: usize) -> usize { (idx - 1) / 2 } [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 85 | pub fn search(&mut self, data: &T) -> Option<&mut T> { [INFO] [stdout] | ^^^^^^ [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 `binary_search` is never used [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 `search_by_chunk` is never used [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: 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: 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] 129 | let _ = crossbeam::scope(|spawner| { [INFO] [stdout] | +++++++ [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] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 138 | let _ = sender.send((i, *v)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `scope` [INFO] [stdout] --> src/btree/mod.rs:135:33 [INFO] [stdout] | [INFO] [stdout] 135 | spawner.spawn(move |scope| { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_scope` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/btree/mod.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 25 | impl Node { [INFO] [stdout] | ----------------------------------------------------------------------- associated function in this implementation [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: 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: 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] 129 | let _ = crossbeam::scope(|spawner| { [INFO] [stdout] | +++++++ [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] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 138 | let _ = sender.send((i, *v)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.54s [INFO] running `Command { std: "docker" "inspect" "a8c239f32db698d030e1df3eebd386e5a3b04961cfdc51134e5f78ffcf40def0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a8c239f32db698d030e1df3eebd386e5a3b04961cfdc51134e5f78ffcf40def0", kill_on_drop: false }` [INFO] [stdout] a8c239f32db698d030e1df3eebd386e5a3b04961cfdc51134e5f78ffcf40def0 [INFO] checking cvuillecard/BTree against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcvuillecard%2FBTree" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cvuillecard/BTree on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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-6-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9c3955f9888b0d347553f7d413efc9c17cd5c28c2fcba0673f8a4467442648b2 [INFO] running `Command { std: "docker" "start" "-a" "9c3955f9888b0d347553f7d413efc9c17cd5c28c2fcba0673f8a4467442648b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9c3955f9888b0d347553f7d413efc9c17cd5c28c2fcba0673f8a4467442648b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9c3955f9888b0d347553f7d413efc9c17cd5c28c2fcba0673f8a4467442648b2", kill_on_drop: false }` [INFO] [stdout] 9c3955f9888b0d347553f7d413efc9c17cd5c28c2fcba0673f8a4467442648b2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7bb01e15ac2c82d0ecca1e5cd59d9132514f23ea7f4875d340c3d3a8f5fdfe8b [INFO] running `Command { std: "docker" "start" "-a" "7bb01e15ac2c82d0ecca1e5cd59d9132514f23ea7f4875d340c3d3a8f5fdfe8b", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-queue v0.3.2 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking crossbeam-epoch v0.9.5 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking crossbeam v0.8.1 [INFO] [stderr] Checking BTree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `PartialEq` is imported redundantly [INFO] [stdout] --> src/btree/mod.rs:6:16 [INFO] [stdout] | [INFO] [stdout] 6 | use std::cmp::{PartialEq, PartialOrd}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `PartialEq` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `PartialOrd` is imported redundantly [INFO] [stdout] --> src/btree/mod.rs:6:27 [INFO] [stdout] | [INFO] [stdout] 6 | use std::cmp::{PartialEq, PartialOrd}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `PartialOrd` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Into` [INFO] [stdout] --> src/btree/mod.rs:7:26 [INFO] [stdout] | [INFO] [stdout] 7 | use std::convert::{From, Into}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/btree/mod.rs:7:20 [INFO] [stdout] | [INFO] [stdout] 7 | use std::convert::{From, Into}; [INFO] [stdout] | ^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `fmt`, `thread` [INFO] [stdout] --> src/btree/mod.rs:9:11 [INFO] [stdout] | [INFO] [stdout] 9 | use std::{fmt, thread}; [INFO] [stdout] | ^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::Borrow` [INFO] [stdout] --> src/btree/mod.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Receiver`, `Sender` [INFO] [stdout] --> src/btree/mod.rs:11:23 [INFO] [stdout] | [INFO] [stdout] 11 | use std::sync::mpsc::{Sender, Receiver}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::mpsc` [INFO] [stdout] --> src/btree/mod.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::sync::mpsc; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::slice::ChunksMut` [INFO] [stdout] --> src/btree/mod.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::slice::ChunksMut; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/btree/mod.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `PartialEq` is imported redundantly [INFO] [stdout] --> src/btree/mod.rs:6:16 [INFO] [stdout] | [INFO] [stdout] 6 | use std::cmp::{PartialEq, PartialOrd}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `PartialEq` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `PartialOrd` is imported redundantly [INFO] [stdout] --> src/btree/mod.rs:6:27 [INFO] [stdout] | [INFO] [stdout] 6 | use std::cmp::{PartialEq, PartialOrd}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `PartialOrd` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Into` [INFO] [stdout] --> src/btree/mod.rs:7:26 [INFO] [stdout] | [INFO] [stdout] 7 | use std::convert::{From, Into}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/btree/mod.rs:7:20 [INFO] [stdout] | [INFO] [stdout] 7 | use std::convert::{From, Into}; [INFO] [stdout] | ^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `fmt`, `thread` [INFO] [stdout] --> src/btree/mod.rs:9:11 [INFO] [stdout] | [INFO] [stdout] 9 | use std::{fmt, thread}; [INFO] [stdout] | ^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::Borrow` [INFO] [stdout] --> src/btree/mod.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Receiver`, `Sender` [INFO] [stdout] --> src/btree/mod.rs:11:23 [INFO] [stdout] | [INFO] [stdout] 11 | use std::sync::mpsc::{Sender, Receiver}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::mpsc` [INFO] [stdout] --> src/btree/mod.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::sync::mpsc; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::slice::ChunksMut` [INFO] [stdout] --> src/btree/mod.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::slice::ChunksMut; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `scope` [INFO] [stdout] --> src/btree/mod.rs:135:33 [INFO] [stdout] | [INFO] [stdout] 135 | spawner.spawn(move |scope| { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_scope` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `scope` [INFO] [stdout] --> src/btree/mod.rs:135:33 [INFO] [stdout] | [INFO] [stdout] 135 | spawner.spawn(move |scope| { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_scope` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `ARITY` is never used [INFO] [stdout] --> src/btree/mod.rs:18:11 [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: field `data` is never read [INFO] [stdout] --> src/btree/mod.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 21 | pub struct Node { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 22 | data: T [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Node` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/btree/mod.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 25 | impl Node { [INFO] [stdout] | ----------------------------------------------------------------------- associated function in this implementation [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: associated function `new` is never used [INFO] [stdout] --> src/btree/mod.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 25 | impl Node { [INFO] [stdout] | ----------------------------------------------------------------------- associated function in this implementation [INFO] [stdout] 26 | pub fn new(data: T) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `root`, `left`, `right`, `parent`, `search`, and `binary_search` are never used [INFO] [stdout] --> src/btree/mod.rs:72:12 [INFO] [stdout] | [INFO] [stdout] 60 | impl VecBtree { [INFO] [stdout] | --------------------------------------------------------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 72 | pub fn root(&mut self) -> &mut Node { &mut self.buf[0] } [INFO] [stdout] | ^^^^ [INFO] [stdout] 73 | [INFO] [stdout] 74 | pub fn left(&mut self, idx: usize) -> usize { ARITY * idx + 1 } [INFO] [stdout] | ^^^^ [INFO] [stdout] 75 | [INFO] [stdout] 76 | pub fn right(&mut self, idx: usize) -> usize { ARITY * idx + 2 } [INFO] [stdout] | ^^^^^ [INFO] [stdout] 77 | [INFO] [stdout] 78 | pub fn parent(&mut self, idx: usize) -> usize { (idx - 1) / 2 } [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 85 | pub fn search(&mut self, data: &T) -> Option<&mut T> { [INFO] [stdout] | ^^^^^^ [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 `binary_search` is never used [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 `search_by_chunk` is never used [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: 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: 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] 129 | let _ = crossbeam::scope(|spawner| { [INFO] [stdout] | +++++++ [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: 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] 129 | let _ = crossbeam::scope(|spawner| { [INFO] [stdout] | +++++++ [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] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 138 | let _ = sender.send((i, *v)); [INFO] [stdout] | +++++++ [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] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 138 | let _ = sender.send((i, *v)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.69s [INFO] running `Command { std: "docker" "inspect" "7bb01e15ac2c82d0ecca1e5cd59d9132514f23ea7f4875d340c3d3a8f5fdfe8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7bb01e15ac2c82d0ecca1e5cd59d9132514f23ea7f4875d340c3d3a8f5fdfe8b", kill_on_drop: false }` [INFO] [stdout] 7bb01e15ac2c82d0ecca1e5cd59d9132514f23ea7f4875d340c3d3a8f5fdfe8b