[INFO] cloning repository https://github.com/xfbs/rust-memory-table
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xfbs/rust-memory-table" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxfbs%2Frust-memory-table", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxfbs%2Frust-memory-table'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c42097af69b84b812d7a8655e7b74a0ff99775b
[INFO] checking xfbs/rust-memory-table against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxfbs%2Frust-memory-table" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xfbs/rust-memory-table on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xfbs/rust-memory-table
[INFO] finished tweaking git repo https://github.com/xfbs/rust-memory-table
[INFO] tweaked toml for git repo https://github.com/xfbs/rust-memory-table written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/xfbs/rust-memory-table 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09e215fcac9a9b9f5ee962035cac45820f493d9d2416cadfe46d3501e4c02389
[INFO] running `Command { std: "docker" "start" "-a" "09e215fcac9a9b9f5ee962035cac45820f493d9d2416cadfe46d3501e4c02389", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09e215fcac9a9b9f5ee962035cac45820f493d9d2416cadfe46d3501e4c02389", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09e215fcac9a9b9f5ee962035cac45820f493d9d2416cadfe46d3501e4c02389", kill_on_drop: false }`
[INFO] [stdout] 09e215fcac9a9b9f5ee962035cac45820f493d9d2416cadfe46d3501e4c02389
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 238bfa54cb4ae7277c74465a3dfe172cec605d00cc3e9890092f1445bf1bbe1b
[INFO] running `Command { std: "docker" "start" "-a" "238bfa54cb4ae7277c74465a3dfe172cec605d00cc3e9890092f1445bf1bbe1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking table v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::btree_map::Entry`
[INFO] [stdout]  --> src/index.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::btree_map::Entry;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::*`
[INFO] [stdout]  --> src/index.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::btree_map::Entry`
[INFO] [stdout]  --> src/index.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::btree_map::Entry;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::*`
[INFO] [stdout]  --> src/index.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow::anyhow`
[INFO] [stdout]  --> src/tests.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use anyhow::anyhow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/index/btree.rs:32:21
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 let mut set = value.get_mut();
[INFO] [stdout]    |                     ----^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entry`
[INFO] [stdout]   --> src/index/btree.rs:54:27
[INFO] [stdout]    |
[INFO] [stdout] 54 |             Entry::Vacant(entry) => {
[INFO] [stdout]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/index/btree.rs:43:21
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 let mut set = value.get_mut();
[INFO] [stdout]    |                     ----^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entry`
[INFO] [stdout]   --> src/index/btree_unique.rs:40:27
[INFO] [stdout]    |
[INFO] [stdout] 40 |             Entry::Vacant(entry) => {
[INFO] [stdout]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/index/btree_unique.rs:44:29
[INFO] [stdout]    |
[INFO] [stdout] 44 |             Entry::Occupied(value) => {
[INFO] [stdout]    |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `values`
[INFO] [stdout]   --> src/index.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |         mut values: Box<dyn Iterator<Item = &T>>,
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_values`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/index.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         mut values: Box<dyn Iterator<Item = &T>>,
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `values`
[INFO] [stdout]   --> src/index.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |         mut values: Box<dyn Iterator<Item = &T>>,
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_values`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/index.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         mut values: Box<dyn Iterator<Item = &T>>,
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/table.rs:100:14
[INFO] [stdout]     |
[INFO] [stdout] 100 |         for (name, index) in self.indices.iter_mut() {
[INFO] [stdout]     |              ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/table.rs:104:31
[INFO] [stdout]     |
[INFO] [stdout] 104 |                 Err(Duplicate(key)) => unreachable!(),
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/table.rs:124:21
[INFO] [stdout]     |
[INFO] [stdout] 124 |                 Err(e) => unimplemented!(),
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/table.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 173 |         index: &str,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/table.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |         key: &dyn Any,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/index/btree.rs:32:21
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 let mut set = value.get_mut();
[INFO] [stdout]    |                     ----^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entry`
[INFO] [stdout]   --> src/index/btree.rs:54:27
[INFO] [stdout]    |
[INFO] [stdout] 54 |             Entry::Vacant(entry) => {
[INFO] [stdout]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/index/btree.rs:43:21
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 let mut set = value.get_mut();
[INFO] [stdout]    |                     ----^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entry`
[INFO] [stdout]   --> src/index/btree_unique.rs:40:27
[INFO] [stdout]    |
[INFO] [stdout] 40 |             Entry::Vacant(entry) => {
[INFO] [stdout]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/index/btree_unique.rs:44:29
[INFO] [stdout]    |
[INFO] [stdout] 44 |             Entry::Occupied(value) => {
[INFO] [stdout]    |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/index/btree.rs:48:21
[INFO] [stdout]    |
[INFO] [stdout] 48 |                     drop(set);
[INFO] [stdout]    |                     ^^^^^---^
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          argument has type `&mut std::collections::BTreeSet<<T as Identity>::PrimaryKey>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 48 -                     drop(set);
[INFO] [stdout] 48 +                     let _ = set;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `values`
[INFO] [stdout]   --> src/index.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |         mut values: Box<dyn Iterator<Item = &T>>,
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_values`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/index.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         mut values: Box<dyn Iterator<Item = &T>>,
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `values`
[INFO] [stdout]   --> src/index.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |         mut values: Box<dyn Iterator<Item = &T>>,
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_values`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/index.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         mut values: Box<dyn Iterator<Item = &T>>,
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/table.rs:100:14
[INFO] [stdout]     |
[INFO] [stdout] 100 |         for (name, index) in self.indices.iter_mut() {
[INFO] [stdout]     |              ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/table.rs:104:31
[INFO] [stdout]     |
[INFO] [stdout] 104 |                 Err(Duplicate(key)) => unreachable!(),
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/table.rs:124:21
[INFO] [stdout]     |
[INFO] [stdout] 124 |                 Err(e) => unimplemented!(),
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/table.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 173 |         index: &str,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/table.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |         key: &dyn Any,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/tests.rs:189:9
[INFO] [stdout]     |
[INFO] [stdout] 189 |     let key = table
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/tests.rs:215:9
[INFO] [stdout]     |
[INFO] [stdout] 215 |     let key = table
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/tests.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |     let result = table
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/tests.rs:239:9
[INFO] [stdout]     |
[INFO] [stdout] 239 |     let key = table
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/tests.rs:248:9
[INFO] [stdout]     |
[INFO] [stdout] 248 |     let result = table
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/tests.rs:292:9
[INFO] [stdout]     |
[INFO] [stdout] 292 |     for i in 0..amount {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/index/btree.rs:48:21
[INFO] [stdout]    |
[INFO] [stdout] 48 |                     drop(set);
[INFO] [stdout]    |                     ^^^^^---^
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          argument has type `&mut std::collections::BTreeSet<<T as table::Identity>::PrimaryKey>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 48 -                     drop(set);
[INFO] [stdout] 48 +                     let _ = set;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/tests.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 | /     table.insert(Person {
[INFO] [stdout] 76 | |         id: 0,
[INFO] [stdout] 77 | |         name: "Mike".into(),
[INFO] [stdout] 78 | |         age: 32,
[INFO] [stdout] 79 | |     });
[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] 75 |     let _ = table.insert(Person {
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.04s
[INFO] running `Command { std: "docker" "inspect" "238bfa54cb4ae7277c74465a3dfe172cec605d00cc3e9890092f1445bf1bbe1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "238bfa54cb4ae7277c74465a3dfe172cec605d00cc3e9890092f1445bf1bbe1b", kill_on_drop: false }`
[INFO] [stdout] 238bfa54cb4ae7277c74465a3dfe172cec605d00cc3e9890092f1445bf1bbe1b
[INFO] checking xfbs/rust-memory-table against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxfbs%2Frust-memory-table" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xfbs/rust-memory-table on toolchain f9935d29d867449445ee008640ccca1bf1ae0889
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xfbs/rust-memory-table
[INFO] finished tweaking git repo https://github.com/xfbs/rust-memory-table
[INFO] tweaked toml for git repo https://github.com/xfbs/rust-memory-table written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/xfbs/rust-memory-table 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28abed8178316019c05ff41ef93269e85bcec5512aa707111dc03d2734ab9e91
[INFO] running `Command { std: "docker" "start" "-a" "28abed8178316019c05ff41ef93269e85bcec5512aa707111dc03d2734ab9e91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28abed8178316019c05ff41ef93269e85bcec5512aa707111dc03d2734ab9e91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28abed8178316019c05ff41ef93269e85bcec5512aa707111dc03d2734ab9e91", kill_on_drop: false }`
[INFO] [stdout] 28abed8178316019c05ff41ef93269e85bcec5512aa707111dc03d2734ab9e91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a195026ae5af77871c469172c22da8917b5a2ec0178d2880f17df2d5bf0d26d4
[INFO] running `Command { std: "docker" "start" "-a" "a195026ae5af77871c469172c22da8917b5a2ec0178d2880f17df2d5bf0d26d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking table v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::btree_map::Entry`
[INFO] [stdout]  --> src/index.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::btree_map::Entry;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::*`
[INFO] [stdout]  --> src/index.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::btree_map::Entry`
[INFO] [stdout]  --> src/index.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::btree_map::Entry;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::*`
[INFO] [stdout]  --> src/index.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow::anyhow`
[INFO] [stdout]  --> src/tests.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use anyhow::anyhow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/index/btree.rs:32:21
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 let mut set = value.get_mut();
[INFO] [stdout]    |                     ----^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entry`
[INFO] [stdout]   --> src/index/btree.rs:54:27
[INFO] [stdout]    |
[INFO] [stdout] 54 |             Entry::Vacant(entry) => {
[INFO] [stdout]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/index/btree.rs:43:21
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 let mut set = value.get_mut();
[INFO] [stdout]    |                     ----^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entry`
[INFO] [stdout]   --> src/index/btree_unique.rs:40:27
[INFO] [stdout]    |
[INFO] [stdout] 40 |             Entry::Vacant(entry) => {
[INFO] [stdout]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/index/btree_unique.rs:44:29
[INFO] [stdout]    |
[INFO] [stdout] 44 |             Entry::Occupied(value) => {
[INFO] [stdout]    |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `values`
[INFO] [stdout]   --> src/index.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |         mut values: Box<dyn Iterator<Item = &T>>,
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_values`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/index.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         mut values: Box<dyn Iterator<Item = &T>>,
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `values`
[INFO] [stdout]   --> src/index.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |         mut values: Box<dyn Iterator<Item = &T>>,
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_values`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/index.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         mut values: Box<dyn Iterator<Item = &T>>,
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/table.rs:100:14
[INFO] [stdout]     |
[INFO] [stdout] 100 |         for (name, index) in self.indices.iter_mut() {
[INFO] [stdout]     |              ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/table.rs:104:31
[INFO] [stdout]     |
[INFO] [stdout] 104 |                 Err(Duplicate(key)) => unreachable!(),
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/table.rs:124:21
[INFO] [stdout]     |
[INFO] [stdout] 124 |                 Err(e) => unimplemented!(),
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/table.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 173 |         index: &str,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/table.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |         key: &dyn Any,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/index/btree.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(map: F) -> Self {
[INFO] [stdout]    |                ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 18 |             data: Default::default(),
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]    = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/index/btree.rs:24:15
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let key = (self.map)(&element);
[INFO] [stdout]    |             --- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 24 |         match self.data.entry(key) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/index/btree.rs:41:15
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let key = (self.map)(&element);
[INFO] [stdout]    |             --- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 41 |         match self.data.entry(key) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/index/btree.rs:32:21
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 let mut set = value.get_mut();
[INFO] [stdout]    |                     ----^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entry`
[INFO] [stdout]   --> src/index/btree.rs:54:27
[INFO] [stdout]    |
[INFO] [stdout] 54 |             Entry::Vacant(entry) => {
[INFO] [stdout]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/index/btree.rs:43:21
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 let mut set = value.get_mut();
[INFO] [stdout]    |                     ----^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entry`
[INFO] [stdout]   --> src/index/btree_unique.rs:40:27
[INFO] [stdout]    |
[INFO] [stdout] 40 |             Entry::Vacant(entry) => {
[INFO] [stdout]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/index/btree_unique.rs:44:29
[INFO] [stdout]    |
[INFO] [stdout] 44 |             Entry::Occupied(value) => {
[INFO] [stdout]    |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `values`
[INFO] [stdout]   --> src/index.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |         mut values: Box<dyn Iterator<Item = &T>>,
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_values`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/index.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         mut values: Box<dyn Iterator<Item = &T>>,
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `values`
[INFO] [stdout]   --> src/index.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |         mut values: Box<dyn Iterator<Item = &T>>,
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_values`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/index.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         mut values: Box<dyn Iterator<Item = &T>>,
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/index/btree.rs:48:21
[INFO] [stdout]    |
[INFO] [stdout] 48 |                     drop(set);
[INFO] [stdout]    |                     ^^^^^---^
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          argument has type `&mut std::collections::BTreeSet<<T as Identity>::PrimaryKey>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 48 -                     drop(set);
[INFO] [stdout] 48 +                     let _ = set;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/index/btree_unique.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(map: F) -> Self {
[INFO] [stdout]    |                ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 18 |             data: Default::default(),
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/index/btree_unique.rs:24:15
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let key = (self.map)(&element);
[INFO] [stdout]    |             --- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 24 |         match self.data.entry(key) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/index/btree_unique.rs:35:15
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let key = (self.map)(&element);
[INFO] [stdout]    |             --- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 35 |         match self.data.entry(key) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/table.rs:100:14
[INFO] [stdout]     |
[INFO] [stdout] 100 |         for (name, index) in self.indices.iter_mut() {
[INFO] [stdout]     |              ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/table.rs:104:31
[INFO] [stdout]     |
[INFO] [stdout] 104 |                 Err(Duplicate(key)) => unreachable!(),
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/table.rs:124:21
[INFO] [stdout]     |
[INFO] [stdout] 124 |                 Err(e) => unimplemented!(),
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/table.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 173 |         index: &str,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/table.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |         key: &dyn Any,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `table` (lib) due to 7 previous errors; 17 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/tests.rs:189:9
[INFO] [stdout]     |
[INFO] [stdout] 189 |     let key = table
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/tests.rs:215:9
[INFO] [stdout]     |
[INFO] [stdout] 215 |     let key = table
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/tests.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |     let result = table
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/tests.rs:239:9
[INFO] [stdout]     |
[INFO] [stdout] 239 |     let key = table
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/tests.rs:248:9
[INFO] [stdout]     |
[INFO] [stdout] 248 |     let result = table
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/tests.rs:292:9
[INFO] [stdout]     |
[INFO] [stdout] 292 |     for i in 0..amount {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/index/btree.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(map: F) -> Self {
[INFO] [stdout]    |                ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 18 |             data: Default::default(),
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]    = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/index/btree.rs:24:15
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let key = (self.map)(&element);
[INFO] [stdout]    |             --- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 24 |         match self.data.entry(key) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/index/btree.rs:41:15
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let key = (self.map)(&element);
[INFO] [stdout]    |             --- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 41 |         match self.data.entry(key) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/index/btree.rs:48:21
[INFO] [stdout]    |
[INFO] [stdout] 48 |                     drop(set);
[INFO] [stdout]    |                     ^^^^^---^
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          argument has type `&mut std::collections::BTreeSet<<T as table::Identity>::PrimaryKey>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 48 -                     drop(set);
[INFO] [stdout] 48 +                     let _ = set;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/index/btree_unique.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(map: F) -> Self {
[INFO] [stdout]    |                ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 18 |             data: Default::default(),
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/index/btree_unique.rs:24:15
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let key = (self.map)(&element);
[INFO] [stdout]    |             --- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 24 |         match self.data.entry(key) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/index/btree_unique.rs:35:15
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let key = (self.map)(&element);
[INFO] [stdout]    |             --- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 35 |         match self.data.entry(key) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/tests.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 | /     table.insert(Person {
[INFO] [stdout] 76 | |         id: 0,
[INFO] [stdout] 77 | |         name: "Mike".into(),
[INFO] [stdout] 78 | |         age: 32,
[INFO] [stdout] 79 | |     });
[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] 75 |     let _ = table.insert(Person {
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `table` (lib test) due to 7 previous errors; 25 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "a195026ae5af77871c469172c22da8917b5a2ec0178d2880f17df2d5bf0d26d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a195026ae5af77871c469172c22da8917b5a2ec0178d2880f17df2d5bf0d26d4", kill_on_drop: false }`
[INFO] [stdout] a195026ae5af77871c469172c22da8917b5a2ec0178d2880f17df2d5bf0d26d4