[INFO] updating cached repository PavelZaytsev/sstable [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/PavelZaytsev/sstable [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/PavelZaytsev/sstable" "work/ex/beta-1.38-1/sources/1.37.0/gh/PavelZaytsev/sstable"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/PavelZaytsev/sstable'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/PavelZaytsev/sstable" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/PavelZaytsev/sstable"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/PavelZaytsev/sstable'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] ca83b55f1eba71784f4e39e30facef1edf93242c [INFO] sha for GitHub repo PavelZaytsev/sstable: ca83b55f1eba71784f4e39e30facef1edf93242c [INFO] validating manifest of PavelZaytsev/sstable on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of PavelZaytsev/sstable on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing PavelZaytsev/sstable [INFO] finished frobbing PavelZaytsev/sstable [INFO] frobbed toml for PavelZaytsev/sstable written to work/ex/beta-1.38-1/sources/1.37.0/gh/PavelZaytsev/sstable/Cargo.toml [INFO] started frobbing PavelZaytsev/sstable [INFO] finished frobbing PavelZaytsev/sstable [INFO] frobbed toml for PavelZaytsev/sstable written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/PavelZaytsev/sstable/Cargo.toml [INFO] crate PavelZaytsev/sstable already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing PavelZaytsev/sstable against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/PavelZaytsev/sstable:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 65e40c31629f69fdd1d65cc2aba65fbb5ec23dc2e573f4354fa21a162a8f4a90 [INFO] running `"docker" "start" "-a" "65e40c31629f69fdd1d65cc2aba65fbb5ec23dc2e573f4354fa21a162a8f4a90"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling num-traits v0.2.7 [INFO] [stderr] Compiling bincode v1.1.3 [INFO] [stderr] Compiling wait-timeout v0.2.0 [INFO] [stderr] Compiling serde_derive v1.0.91 [INFO] [stderr] Compiling derivative v1.0.2 [INFO] [stderr] Compiling tempfile v3.0.8 [INFO] [stderr] Compiling rusty-fork v0.2.2 [INFO] [stderr] Compiling proptest v0.9.4 [INFO] [stderr] Compiling serde v1.0.91 [INFO] [stderr] Compiling sstable v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::fs::File` [INFO] [stderr] --> src/main.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::fs::File; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::HashMap` [INFO] [stderr] --> src/streamlog.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::collections::HashMap; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io` [INFO] [stderr] --> src/streamlog.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::io; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::error` [INFO] [stderr] --> src/streamlog.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::error; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::hash::Hash` [INFO] [stderr] --> src/streamlog.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::hash::Hash; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cmp::Eq` [INFO] [stderr] --> src/streamlog.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::cmp::Eq; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs` [INFO] [stderr] --> src/streamlog.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::fs; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::streamlog::errors::IndexError` [INFO] [stderr] --> src/streamlog.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | use crate::streamlog::errors::IndexError; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Deserialize`, `de` [INFO] [stderr] --> src/streamlog.rs:16:13 [INFO] [stderr] | [INFO] [stderr] 16 | use serde::{de, Serialize, Deserialize}; [INFO] [stderr] | ^^ ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `deserialize`, `serialize` [INFO] [stderr] --> src/streamlog.rs:18:15 [INFO] [stderr] | [INFO] [stderr] 18 | use bincode::{serialize, deserialize}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `streamlog::FileSegment` [INFO] [stderr] --> src/main.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use streamlog::FileSegment; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `deserialize`, `serialize` [INFO] [stderr] --> src/main.rs:6:15 [INFO] [stderr] | [INFO] [stderr] 6 | use bincode::{serialize, deserialize}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize` [INFO] [stderr] --> src/main.rs:7:13 [INFO] [stderr] | [INFO] [stderr] 7 | use serde::{Serialize, Deserialize}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::BufWriter` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::io::BufWriter; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Empty`, `Node` [INFO] [stderr] --> src/main.rs:9:37 [INFO] [stderr] | [INFO] [stderr] 9 | use rbt::red_black_tree::NodeType::{Node, Empty}; [INFO] [stderr] | ^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rbt::red_black_tree::RBT` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use rbt::red_black_tree::RBT; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `core::borrow::Borrow` [INFO] [stderr] --> src/rbt.rs:7:9 [INFO] [stderr] | [INFO] [stderr] 7 | use core::borrow::Borrow; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/rbt.rs:112:34 [INFO] [stderr] | [INFO] [stderr] 112 | (Rc::new((NodeType::path_copy_node(left))), Rc::new(right.add(my_key, my_value))) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::slice::Iter` [INFO] [stderr] --> src/main.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use std::slice::Iter; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::rc::Rc` [INFO] [stderr] --> src/main.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | use std::rc::Rc; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `current_size` [INFO] [stderr] --> src/streamlog.rs:69:30 [INFO] [stderr] | [INFO] [stderr] 69 | Memtable { tree, current_size } => { [INFO] [stderr] | ^^^^^^^^^^^^ help: try ignoring the field: `current_size: _` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `tree` [INFO] [stderr] --> src/streamlog.rs:76:27 [INFO] [stderr] | [INFO] [stderr] 76 | SparseIndex { tree, segment: our_segment, limit, index_size_ratio } => [INFO] [stderr] | ^^^^ help: try ignoring the field: `tree: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `current_size` [INFO] [stderr] --> src/streamlog.rs:97:30 [INFO] [stderr] | [INFO] [stderr] 97 | Memtable { tree, current_size } => tree.find(key), [INFO] [stderr] | ^^^^^^^^^^^^ help: try ignoring the field: `current_size: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `index_size_ratio` [INFO] [stderr] --> src/streamlog.rs:98:49 [INFO] [stderr] | [INFO] [stderr] 98 | SparseIndex { tree, segment, limit, index_size_ratio } => { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: try ignoring the field: `index_size_ratio: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `limit` [INFO] [stderr] --> src/streamlog.rs:98:42 [INFO] [stderr] | [INFO] [stderr] 98 | SparseIndex { tree, segment, limit, index_size_ratio } => { [INFO] [stderr] | ^^^^^ help: try ignoring the field: `limit: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `segment` [INFO] [stderr] --> src/streamlog.rs:98:33 [INFO] [stderr] | [INFO] [stderr] 98 | SparseIndex { tree, segment, limit, index_size_ratio } => { [INFO] [stderr] | ^^^^^^^ help: try ignoring the field: `segment: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `color` [INFO] [stderr] --> src/streamlog.rs:144:45 [INFO] [stderr] | [INFO] [stderr] 144 | Node { key, value, left, right, color } => { [INFO] [stderr] | ^^^^^ help: try ignoring the field: `color: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `color1` [INFO] [stderr] --> src/rbt.rs:262:32 [INFO] [stderr] | [INFO] [stderr] 262 | color: color1 [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_color1` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `color2` [INFO] [stderr] --> src/rbt.rs:269:36 [INFO] [stderr] | [INFO] [stderr] 269 | color: color2 [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_color2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `key_left` [INFO] [stderr] --> src/rbt.rs:117:38 [INFO] [stderr] | [INFO] [stderr] 117 | (Node { key: key_left, value: value_left, left: lefts_left, right: lefts_right, color: lefts_color }, [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_key_left` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `key_right` [INFO] [stderr] --> src/rbt.rs:118:41 [INFO] [stderr] | [INFO] [stderr] 118 | Node { key: key_right, value: value_right, left: rights_left, right: rights_right, color: rights_color }) => { [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_key_right` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `lefts_right` [INFO] [stderr] --> src/rbt.rs:117:92 [INFO] [stderr] | [INFO] [stderr] 117 | (Node { key: key_left, value: value_left, left: lefts_left, right: lefts_right, color: lefts_color }, [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_lefts_right` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `rights_left` [INFO] [stderr] --> src/rbt.rs:118:78 [INFO] [stderr] | [INFO] [stderr] 118 | Node { key: key_right, value: value_right, left: rights_left, right: rights_right, color: rights_color }) => { [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_rights_left` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `rights_right` [INFO] [stderr] --> src/rbt.rs:118:98 [INFO] [stderr] | [INFO] [stderr] 118 | Node { key: key_right, value: value_right, left: rights_left, right: rights_right, color: rights_color }) => { [INFO] [stderr] | ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_rights_right` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value_left` [INFO] [stderr] --> src/rbt.rs:117:55 [INFO] [stderr] | [INFO] [stderr] 117 | (Node { key: key_left, value: value_left, left: lefts_left, right: lefts_right, color: lefts_color }, [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_value_left` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value_right` [INFO] [stderr] --> src/rbt.rs:118:59 [INFO] [stderr] | [INFO] [stderr] 118 | Node { key: key_right, value: value_right, left: rights_left, right: rights_right, color: rights_color }) => { [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_value_right` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `key_left` [INFO] [stderr] --> src/rbt.rs:134:38 [INFO] [stderr] | [INFO] [stderr] 134 | (Node { key: key_left, value: value_left, left: lefts_left, right: lefts_right, color: lefts_color }, Empty) => { [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_key_left` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `lefts_right` [INFO] [stderr] --> src/rbt.rs:134:92 [INFO] [stderr] | [INFO] [stderr] 134 | (Node { key: key_left, value: value_left, left: lefts_left, right: lefts_right, color: lefts_color }, Empty) => { [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_lefts_right` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value_left` [INFO] [stderr] --> src/rbt.rs:134:55 [INFO] [stderr] | [INFO] [stderr] 134 | (Node { key: key_left, value: value_left, left: lefts_left, right: lefts_right, color: lefts_color }, Empty) => { [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_value_left` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `key_right` [INFO] [stderr] --> src/rbt.rs:146:45 [INFO] [stderr] | [INFO] [stderr] 146 | (Empty, Node { key: key_right, value: value_right, left: rights_left, right: rights_right, color: rights_color }) => { [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_key_right` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `rights_left` [INFO] [stderr] --> src/rbt.rs:146:82 [INFO] [stderr] | [INFO] [stderr] 146 | (Empty, Node { key: key_right, value: value_right, left: rights_left, right: rights_right, color: rights_color }) => { [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_rights_left` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `rights_right` [INFO] [stderr] --> src/rbt.rs:146:102 [INFO] [stderr] | [INFO] [stderr] 146 | (Empty, Node { key: key_right, value: value_right, left: rights_left, right: rights_right, color: rights_color }) => { [INFO] [stderr] | ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_rights_right` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value_right` [INFO] [stderr] --> src/rbt.rs:146:63 [INFO] [stderr] | [INFO] [stderr] 146 | (Empty, Node { key: key_right, value: value_right, left: rights_left, right: rights_right, color: rights_color }) => { [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_value_right` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/rbt.rs:165:29 [INFO] [stderr] | [INFO] [stderr] 165 | Node { key, value, left, right, .. } => { [INFO] [stderr] | ^^^^^ help: try ignoring the field: `value: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `right` [INFO] [stderr] --> src/rbt.rs:215:42 [INFO] [stderr] | [INFO] [stderr] 215 | Node { key, value, left, right, color } => { [INFO] [stderr] | ^^^^^ help: try ignoring the field: `right: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `left` [INFO] [stderr] --> src/rbt.rs:224:36 [INFO] [stderr] | [INFO] [stderr] 224 | Node { key, value, left, right, color } => { [INFO] [stderr] | ^^^^ help: try ignoring the field: `left: _` [INFO] [stderr] [INFO] [stderr] warning: private type `streamlog::SparseIndexEntry` in public interface (error E0446) [INFO] [stderr] --> src/streamlog.rs:56:19 [INFO] [stderr] | [INFO] [stderr] 56 | SparseIndex { tree: RBT, segment: S, limit: u8, index_size_ratio: f32 }, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(private_in_public)] on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #34537 [INFO] [stderr] [INFO] [stderr] warning: field is never used: `name` [INFO] [stderr] --> src/streamlog.rs:46:5 [INFO] [stderr] | [INFO] [stderr] 46 | name: String, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `SSTableObject` [INFO] [stderr] --> src/streamlog.rs:52:1 [INFO] [stderr] | [INFO] [stderr] 52 | / pub enum SSTableObject { [INFO] [stderr] 55 | | Memtable { tree: RBT, current_size: usize }, [INFO] [stderr] 56 | | SparseIndex { tree: RBT, segment: S, limit: u8, index_size_ratio: f32 }, [INFO] [stderr] 57 | | } [INFO] [stderr] | |_^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/streamlog.rs:62:5 [INFO] [stderr] | [INFO] [stderr] 62 | pub fn new(&self) -> SSTableObject { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `convert_to_sparse_index` [INFO] [stderr] --> src/streamlog.rs:67:5 [INFO] [stderr] | [INFO] [stderr] 67 | pub fn convert_to_sparse_index(&self, mut segment: S, limit: u8, index_size_ratio: f32) -> SSTableObject { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `write` [INFO] [stderr] --> src/streamlog.rs:81:5 [INFO] [stderr] | [INFO] [stderr] 81 | pub fn write(self, key: K, value: V) -> SSTableObject { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `read` [INFO] [stderr] --> src/streamlog.rs:95:5 [INFO] [stderr] | [INFO] [stderr] 95 | pub fn read(&mut self, key: K) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `search` [INFO] [stderr] --> src/streamlog.rs:111:5 [INFO] [stderr] | [INFO] [stderr] 111 | fn search(&mut self, s: u32, e: u32, k: K, meta_vector: &Vec) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `walk_and_populate` [INFO] [stderr] --> src/streamlog.rs:141:5 [INFO] [stderr] | [INFO] [stderr] 141 | fn walk_and_populate(&self, node: &NodeType, tree: RBT, segment: &mut S, index_size: u32, current_index_size: u32) -> RBT { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `add_or_append` [INFO] [stderr] --> src/streamlog.rs:162:5 [INFO] [stderr] | [INFO] [stderr] 162 | fn add_or_append(segment: &mut S, tree: RBT, key: K, value: V, append: bool) -> RBT { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `IndexError` [INFO] [stderr] --> src/streamlog.rs:210:5 [INFO] [stderr] | [INFO] [stderr] 210 | pub struct IndexError { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `node_exists` [INFO] [stderr] --> src/rbt.rs:162:9 [INFO] [stderr] | [INFO] [stderr] 162 | pub fn node_exists(&self, my_key: &K) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `find_max` [INFO] [stderr] --> src/rbt.rs:177:9 [INFO] [stderr] | [INFO] [stderr] 177 | fn find_max(&self) -> NodeType { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `find_lower_bound_h` [INFO] [stderr] --> src/rbt.rs:190:9 [INFO] [stderr] | [INFO] [stderr] 190 | fn find_lower_bound_h(&self, my_key: K, acc: NodeType) -> NodeType { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `find_lower_bound_value` [INFO] [stderr] --> src/rbt.rs:208:9 [INFO] [stderr] | [INFO] [stderr] 208 | pub fn find_lower_bound_value(&self, my_key: K) -> NodeType { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `add_right_child` [INFO] [stderr] --> src/rbt.rs:212:9 [INFO] [stderr] | [INFO] [stderr] 212 | pub fn add_right_child(&self, rc: &Rc>) -> NodeType { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `add_left_child` [INFO] [stderr] --> src/rbt.rs:221:9 [INFO] [stderr] | [INFO] [stderr] 221 | pub fn add_left_child(&self, lc: &Rc>) -> NodeType { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `add_children` [INFO] [stderr] --> src/rbt.rs:230:9 [INFO] [stderr] | [INFO] [stderr] 230 | pub fn add_children(&self, lc: &Rc>, rc: &Rc>) -> NodeType { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `find` [INFO] [stderr] --> src/rbt.rs:234:9 [INFO] [stderr] | [INFO] [stderr] 234 | pub fn find(&self, my_key: &K) -> NodeType { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/rbt.rs:291:9 [INFO] [stderr] | [INFO] [stderr] 291 | pub fn new() -> RBT { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new_from` [INFO] [stderr] --> src/rbt.rs:295:9 [INFO] [stderr] | [INFO] [stderr] 295 | pub fn new_from(tree: &RBT) -> RBT { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `add` [INFO] [stderr] --> src/rbt.rs:304:9 [INFO] [stderr] | [INFO] [stderr] 304 | pub fn add(&self, key: K, value: V) -> RBT { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_smaller_value` [INFO] [stderr] --> src/rbt.rs:308:9 [INFO] [stderr] | [INFO] [stderr] 308 | pub fn get_smaller_value(&self, my_key: K) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `find` [INFO] [stderr] --> src/rbt.rs:318:9 [INFO] [stderr] | [INFO] [stderr] 318 | pub fn find(&self, my_key: K) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/streamlog.rs:123:21 [INFO] [stderr] | [INFO] [stderr] 123 | segment.read_to_buffer(info.offset as u64, key_buf); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/streamlog.rs:132:25 [INFO] [stderr] | [INFO] [stderr] 132 | segment.read_to_buffer(info.offset + info.key_size as u64, value_buf); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 04s [INFO] running `"docker" "inspect" "65e40c31629f69fdd1d65cc2aba65fbb5ec23dc2e573f4354fa21a162a8f4a90"` [INFO] running `"docker" "rm" "-f" "65e40c31629f69fdd1d65cc2aba65fbb5ec23dc2e573f4354fa21a162a8f4a90"` [INFO] [stdout] 65e40c31629f69fdd1d65cc2aba65fbb5ec23dc2e573f4354fa21a162a8f4a90 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/PavelZaytsev/sstable:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] d5e1393c8668ec5ae7b5b29a97d17eb9d8d2a92699535bc9f940011320f52707 [INFO] running `"docker" "start" "-a" "d5e1393c8668ec5ae7b5b29a97d17eb9d8d2a92699535bc9f940011320f52707"` [INFO] [stderr] Compiling sstable v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::fs::File` [INFO] [stderr] --> src/main.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::fs::File; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::HashMap` [INFO] [stderr] --> src/streamlog.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::collections::HashMap; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io` [INFO] [stderr] --> src/streamlog.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::io; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::error` [INFO] [stderr] --> src/streamlog.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::error; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::hash::Hash` [INFO] [stderr] --> src/streamlog.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::hash::Hash; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cmp::Eq` [INFO] [stderr] --> src/streamlog.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::cmp::Eq; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs` [INFO] [stderr] --> src/streamlog.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::fs; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::streamlog::errors::IndexError` [INFO] [stderr] --> src/streamlog.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | use crate::streamlog::errors::IndexError; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Deserialize`, `de` [INFO] [stderr] --> src/streamlog.rs:16:13 [INFO] [stderr] | [INFO] [stderr] 16 | use serde::{de, Serialize, Deserialize}; [INFO] [stderr] | ^^ ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `deserialize`, `serialize` [INFO] [stderr] --> src/streamlog.rs:18:15 [INFO] [stderr] | [INFO] [stderr] 18 | use bincode::{serialize, deserialize}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `streamlog::FileSegment` [INFO] [stderr] --> src/main.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use streamlog::FileSegment; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `deserialize`, `serialize` [INFO] [stderr] --> src/main.rs:6:15 [INFO] [stderr] | [INFO] [stderr] 6 | use bincode::{serialize, deserialize}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize` [INFO] [stderr] --> src/main.rs:7:13 [INFO] [stderr] | [INFO] [stderr] 7 | use serde::{Serialize, Deserialize}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::BufWriter` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::io::BufWriter; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Empty`, `Node` [INFO] [stderr] --> src/main.rs:9:37 [INFO] [stderr] | [INFO] [stderr] 9 | use rbt::red_black_tree::NodeType::{Node, Empty}; [INFO] [stderr] | ^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rbt::red_black_tree::RBT` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use rbt::red_black_tree::RBT; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `core::borrow::Borrow` [INFO] [stderr] --> src/rbt.rs:7:9 [INFO] [stderr] | [INFO] [stderr] 7 | use core::borrow::Borrow; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/rbt.rs:112:34 [INFO] [stderr] | [INFO] [stderr] 112 | (Rc::new((NodeType::path_copy_node(left))), Rc::new(right.add(my_key, my_value))) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `proptest::prelude::*` [INFO] [stderr] --> src/rbt.rs:335:9 [INFO] [stderr] | [INFO] [stderr] 335 | use proptest::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::slice::Iter` [INFO] [stderr] --> src/main.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use std::slice::Iter; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::rc::Rc` [INFO] [stderr] --> src/main.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | use std::rc::Rc; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `current_size` [INFO] [stderr] --> src/streamlog.rs:69:30 [INFO] [stderr] | [INFO] [stderr] 69 | Memtable { tree, current_size } => { [INFO] [stderr] | ^^^^^^^^^^^^ help: try ignoring the field: `current_size: _` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `tree` [INFO] [stderr] --> src/streamlog.rs:76:27 [INFO] [stderr] | [INFO] [stderr] 76 | SparseIndex { tree, segment: our_segment, limit, index_size_ratio } => [INFO] [stderr] | ^^^^ help: try ignoring the field: `tree: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `current_size` [INFO] [stderr] --> src/streamlog.rs:97:30 [INFO] [stderr] | [INFO] [stderr] 97 | Memtable { tree, current_size } => tree.find(key), [INFO] [stderr] | ^^^^^^^^^^^^ help: try ignoring the field: `current_size: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `index_size_ratio` [INFO] [stderr] --> src/streamlog.rs:98:49 [INFO] [stderr] | [INFO] [stderr] 98 | SparseIndex { tree, segment, limit, index_size_ratio } => { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: try ignoring the field: `index_size_ratio: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `limit` [INFO] [stderr] --> src/streamlog.rs:98:42 [INFO] [stderr] | [INFO] [stderr] 98 | SparseIndex { tree, segment, limit, index_size_ratio } => { [INFO] [stderr] | ^^^^^ help: try ignoring the field: `limit: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `segment` [INFO] [stderr] --> src/streamlog.rs:98:33 [INFO] [stderr] | [INFO] [stderr] 98 | SparseIndex { tree, segment, limit, index_size_ratio } => { [INFO] [stderr] | ^^^^^^^ help: try ignoring the field: `segment: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `color` [INFO] [stderr] --> src/streamlog.rs:144:45 [INFO] [stderr] | [INFO] [stderr] 144 | Node { key, value, left, right, color } => { [INFO] [stderr] | ^^^^^ help: try ignoring the field: `color: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/streamlog.rs:344:13 [INFO] [stderr] | [INFO] [stderr] 344 | let f: FileSegment = SegmentLike::new(file_name); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_f` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `color1` [INFO] [stderr] --> src/rbt.rs:262:32 [INFO] [stderr] | [INFO] [stderr] 262 | color: color1 [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_color1` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `color2` [INFO] [stderr] --> src/rbt.rs:269:36 [INFO] [stderr] | [INFO] [stderr] 269 | color: color2 [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_color2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `key_left` [INFO] [stderr] --> src/rbt.rs:117:38 [INFO] [stderr] | [INFO] [stderr] 117 | (Node { key: key_left, value: value_left, left: lefts_left, right: lefts_right, color: lefts_color }, [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_key_left` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `key_right` [INFO] [stderr] --> src/rbt.rs:118:41 [INFO] [stderr] | [INFO] [stderr] 118 | Node { key: key_right, value: value_right, left: rights_left, right: rights_right, color: rights_color }) => { [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_key_right` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `lefts_right` [INFO] [stderr] --> src/rbt.rs:117:92 [INFO] [stderr] | [INFO] [stderr] 117 | (Node { key: key_left, value: value_left, left: lefts_left, right: lefts_right, color: lefts_color }, [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_lefts_right` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `rights_left` [INFO] [stderr] --> src/rbt.rs:118:78 [INFO] [stderr] | [INFO] [stderr] 118 | Node { key: key_right, value: value_right, left: rights_left, right: rights_right, color: rights_color }) => { [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_rights_left` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `rights_right` [INFO] [stderr] --> src/rbt.rs:118:98 [INFO] [stderr] | [INFO] [stderr] 118 | Node { key: key_right, value: value_right, left: rights_left, right: rights_right, color: rights_color }) => { [INFO] [stderr] | ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_rights_right` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value_left` [INFO] [stderr] --> src/rbt.rs:117:55 [INFO] [stderr] | [INFO] [stderr] 117 | (Node { key: key_left, value: value_left, left: lefts_left, right: lefts_right, color: lefts_color }, [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_value_left` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value_right` [INFO] [stderr] --> src/rbt.rs:118:59 [INFO] [stderr] | [INFO] [stderr] 118 | Node { key: key_right, value: value_right, left: rights_left, right: rights_right, color: rights_color }) => { [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_value_right` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `key_left` [INFO] [stderr] --> src/rbt.rs:134:38 [INFO] [stderr] | [INFO] [stderr] 134 | (Node { key: key_left, value: value_left, left: lefts_left, right: lefts_right, color: lefts_color }, Empty) => { [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_key_left` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `lefts_right` [INFO] [stderr] --> src/rbt.rs:134:92 [INFO] [stderr] | [INFO] [stderr] 134 | (Node { key: key_left, value: value_left, left: lefts_left, right: lefts_right, color: lefts_color }, Empty) => { [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_lefts_right` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value_left` [INFO] [stderr] --> src/rbt.rs:134:55 [INFO] [stderr] | [INFO] [stderr] 134 | (Node { key: key_left, value: value_left, left: lefts_left, right: lefts_right, color: lefts_color }, Empty) => { [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_value_left` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `key_right` [INFO] [stderr] --> src/rbt.rs:146:45 [INFO] [stderr] | [INFO] [stderr] 146 | (Empty, Node { key: key_right, value: value_right, left: rights_left, right: rights_right, color: rights_color }) => { [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_key_right` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `rights_left` [INFO] [stderr] --> src/rbt.rs:146:82 [INFO] [stderr] | [INFO] [stderr] 146 | (Empty, Node { key: key_right, value: value_right, left: rights_left, right: rights_right, color: rights_color }) => { [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_rights_left` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `rights_right` [INFO] [stderr] --> src/rbt.rs:146:102 [INFO] [stderr] | [INFO] [stderr] 146 | (Empty, Node { key: key_right, value: value_right, left: rights_left, right: rights_right, color: rights_color }) => { [INFO] [stderr] | ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_rights_right` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value_right` [INFO] [stderr] --> src/rbt.rs:146:63 [INFO] [stderr] | [INFO] [stderr] 146 | (Empty, Node { key: key_right, value: value_right, left: rights_left, right: rights_right, color: rights_color }) => { [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_value_right` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/rbt.rs:165:29 [INFO] [stderr] | [INFO] [stderr] 165 | Node { key, value, left, right, .. } => { [INFO] [stderr] | ^^^^^ help: try ignoring the field: `value: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `right` [INFO] [stderr] --> src/rbt.rs:215:42 [INFO] [stderr] | [INFO] [stderr] 215 | Node { key, value, left, right, color } => { [INFO] [stderr] | ^^^^^ help: try ignoring the field: `right: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `left` [INFO] [stderr] --> src/rbt.rs:224:36 [INFO] [stderr] | [INFO] [stderr] 224 | Node { key, value, left, right, color } => { [INFO] [stderr] | ^^^^ help: try ignoring the field: `left: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `color` [INFO] [stderr] --> src/rbt.rs:342:45 [INFO] [stderr] | [INFO] [stderr] 342 | Node { key, value, left, right, color } => { [INFO] [stderr] | ^^^^^ help: try ignoring the field: `color: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `key` [INFO] [stderr] --> src/rbt.rs:342:20 [INFO] [stderr] | [INFO] [stderr] 342 | Node { key, value, left, right, color } => { [INFO] [stderr] | ^^^ help: try ignoring the field: `key: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/rbt.rs:342:25 [INFO] [stderr] | [INFO] [stderr] 342 | Node { key, value, left, right, color } => { [INFO] [stderr] | ^^^^^ help: try ignoring the field: `value: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `color` [INFO] [stderr] --> src/rbt.rs:396:48 [INFO] [stderr] | [INFO] [stderr] 396 | if let Node { key, value, left, right, color } = tree0 { [INFO] [stderr] | ^^^^^ help: try ignoring the field: `color: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `right` [INFO] [stderr] --> src/rbt.rs:396:41 [INFO] [stderr] | [INFO] [stderr] 396 | if let Node { key, value, left, right, color } = tree0 { [INFO] [stderr] | ^^^^^ help: try ignoring the field: `right: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/rbt.rs:396:28 [INFO] [stderr] | [INFO] [stderr] 396 | if let Node { key, value, left, right, color } = tree0 { [INFO] [stderr] | ^^^^^ help: try ignoring the field: `value: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `color2` [INFO] [stderr] --> src/rbt.rs:401:39 [INFO] [stderr] | [INFO] [stderr] 401 | right: right2, color: color2 [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_color2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `left2` [INFO] [stderr] --> src/rbt.rs:400:23 [INFO] [stderr] | [INFO] [stderr] 400 | left: left2, [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_left2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value2` [INFO] [stderr] --> src/rbt.rs:399:35 [INFO] [stderr] | [INFO] [stderr] 399 | key: key2, value: value2, [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_value2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `color` [INFO] [stderr] --> src/rbt.rs:421:48 [INFO] [stderr] | [INFO] [stderr] 421 | if let Node { key, value, left, right, color } = tree3 { [INFO] [stderr] | ^^^^^ help: try ignoring the field: `color: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `left` [INFO] [stderr] --> src/rbt.rs:421:35 [INFO] [stderr] | [INFO] [stderr] 421 | if let Node { key, value, left, right, color } = tree3 { [INFO] [stderr] | ^^^^ help: try ignoring the field: `left: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/rbt.rs:421:28 [INFO] [stderr] | [INFO] [stderr] 421 | if let Node { key, value, left, right, color } = tree3 { [INFO] [stderr] | ^^^^^ help: try ignoring the field: `value: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `color2` [INFO] [stderr] --> src/rbt.rs:426:39 [INFO] [stderr] | [INFO] [stderr] 426 | right: right2, color: color2 [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_color2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `right2` [INFO] [stderr] --> src/rbt.rs:426:24 [INFO] [stderr] | [INFO] [stderr] 426 | right: right2, color: color2 [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_right2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value2` [INFO] [stderr] --> src/rbt.rs:424:35 [INFO] [stderr] | [INFO] [stderr] 424 | key: key2, value: value2, [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_value2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `key` [INFO] [stderr] --> src/rbt.rs:472:23 [INFO] [stderr] | [INFO] [stderr] 472 | if let Node { key, value, left, right, color } = tree.flip_colors() { [INFO] [stderr] | ^^^ help: try ignoring the field: `key: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/rbt.rs:472:28 [INFO] [stderr] | [INFO] [stderr] 472 | if let Node { key, value, left, right, color } = tree.flip_colors() { [INFO] [stderr] | ^^^^^ help: try ignoring the field: `value: _` [INFO] [stderr] [INFO] [stderr] warning: private type `streamlog::SparseIndexEntry` in public interface (error E0446) [INFO] [stderr] --> src/streamlog.rs:56:19 [INFO] [stderr] | [INFO] [stderr] 56 | SparseIndex { tree: RBT, segment: S, limit: u8, index_size_ratio: f32 }, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(private_in_public)] on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #34537 [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `SSTableObject` [INFO] [stderr] --> src/streamlog.rs:52:1 [INFO] [stderr] | [INFO] [stderr] 52 | / pub enum SSTableObject { [INFO] [stderr] 55 | | Memtable { tree: RBT, current_size: usize }, [INFO] [stderr] 56 | | SparseIndex { tree: RBT, segment: S, limit: u8, index_size_ratio: f32 }, [INFO] [stderr] 57 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/streamlog.rs:62:5 [INFO] [stderr] | [INFO] [stderr] 62 | pub fn new(&self) -> SSTableObject { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `convert_to_sparse_index` [INFO] [stderr] --> src/streamlog.rs:67:5 [INFO] [stderr] | [INFO] [stderr] 67 | pub fn convert_to_sparse_index(&self, mut segment: S, limit: u8, index_size_ratio: f32) -> SSTableObject { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `write` [INFO] [stderr] --> src/streamlog.rs:81:5 [INFO] [stderr] | [INFO] [stderr] 81 | pub fn write(self, key: K, value: V) -> SSTableObject { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `read` [INFO] [stderr] --> src/streamlog.rs:95:5 [INFO] [stderr] | [INFO] [stderr] 95 | pub fn read(&mut self, key: K) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `search` [INFO] [stderr] --> src/streamlog.rs:111:5 [INFO] [stderr] | [INFO] [stderr] 111 | fn search(&mut self, s: u32, e: u32, k: K, meta_vector: &Vec) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `walk_and_populate` [INFO] [stderr] --> src/streamlog.rs:141:5 [INFO] [stderr] | [INFO] [stderr] 141 | fn walk_and_populate(&self, node: &NodeType, tree: RBT, segment: &mut S, index_size: u32, current_index_size: u32) -> RBT { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `add_or_append` [INFO] [stderr] --> src/streamlog.rs:162:5 [INFO] [stderr] | [INFO] [stderr] 162 | fn add_or_append(segment: &mut S, tree: RBT, key: K, value: V, append: bool) -> RBT { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `IndexError` [INFO] [stderr] --> src/streamlog.rs:210:5 [INFO] [stderr] | [INFO] [stderr] 210 | pub struct IndexError { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `name` [INFO] [stderr] --> src/streamlog.rs:297:9 [INFO] [stderr] | [INFO] [stderr] 297 | name: String, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `node_exists` [INFO] [stderr] --> src/rbt.rs:162:9 [INFO] [stderr] | [INFO] [stderr] 162 | pub fn node_exists(&self, my_key: &K) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `find_max` [INFO] [stderr] --> src/rbt.rs:177:9 [INFO] [stderr] | [INFO] [stderr] 177 | fn find_max(&self) -> NodeType { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `find_lower_bound_h` [INFO] [stderr] --> src/rbt.rs:190:9 [INFO] [stderr] | [INFO] [stderr] 190 | fn find_lower_bound_h(&self, my_key: K, acc: NodeType) -> NodeType { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `find_lower_bound_value` [INFO] [stderr] --> src/rbt.rs:208:9 [INFO] [stderr] | [INFO] [stderr] 208 | pub fn find_lower_bound_value(&self, my_key: K) -> NodeType { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `find` [INFO] [stderr] --> src/rbt.rs:234:9 [INFO] [stderr] | [INFO] [stderr] 234 | pub fn find(&self, my_key: &K) -> NodeType { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/rbt.rs:291:9 [INFO] [stderr] | [INFO] [stderr] 291 | pub fn new() -> RBT { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new_from` [INFO] [stderr] --> src/rbt.rs:295:9 [INFO] [stderr] | [INFO] [stderr] 295 | pub fn new_from(tree: &RBT) -> RBT { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `add` [INFO] [stderr] --> src/rbt.rs:304:9 [INFO] [stderr] | [INFO] [stderr] 304 | pub fn add(&self, key: K, value: V) -> RBT { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_smaller_value` [INFO] [stderr] --> src/rbt.rs:308:9 [INFO] [stderr] | [INFO] [stderr] 308 | pub fn get_smaller_value(&self, my_key: K) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `find` [INFO] [stderr] --> src/rbt.rs:318:9 [INFO] [stderr] | [INFO] [stderr] 318 | pub fn find(&self, my_key: K) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `balanced_tuple` [INFO] [stderr] --> src/rbt.rs:339:5 [INFO] [stderr] | [INFO] [stderr] 339 | fn balanced_tuple(root: &NodeType) -> (bool, i8) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `balanced` [INFO] [stderr] --> src/rbt.rs:350:5 [INFO] [stderr] | [INFO] [stderr] 350 | fn balanced(root: &NodeType) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/streamlog.rs:123:21 [INFO] [stderr] | [INFO] [stderr] 123 | segment.read_to_buffer(info.offset as u64, key_buf); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/streamlog.rs:132:25 [INFO] [stderr] | [INFO] [stderr] 132 | segment.read_to_buffer(info.offset + info.key_size as u64, value_buf); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/streamlog.rs:291:13 [INFO] [stderr] | [INFO] [stderr] 291 | fs::remove_file(file_name); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/streamlog.rs:354:9 [INFO] [stderr] | [INFO] [stderr] 354 | f.write_to_segment(0, &s); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/streamlog.rs:358:9 [INFO] [stderr] | [INFO] [stderr] 358 | reader.read_line(&mut line); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/streamlog.rs:370:9 [INFO] [stderr] | [INFO] [stderr] 370 | writer.flush(); // have not gotten out of scope yet, so gotta flush [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.11s [INFO] running `"docker" "inspect" "d5e1393c8668ec5ae7b5b29a97d17eb9d8d2a92699535bc9f940011320f52707"` [INFO] running `"docker" "rm" "-f" "d5e1393c8668ec5ae7b5b29a97d17eb9d8d2a92699535bc9f940011320f52707"` [INFO] [stdout] d5e1393c8668ec5ae7b5b29a97d17eb9d8d2a92699535bc9f940011320f52707 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/PavelZaytsev/sstable:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"` [INFO] [stdout] bde3351e383965634c1e388163242903a478cffc1afe248e0d8e7887a01d0440 [INFO] running `"docker" "start" "-a" "bde3351e383965634c1e388163242903a478cffc1afe248e0d8e7887a01d0440"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running /opt/crater/target/debug/deps/sstable-c4a145347ea32e10 [INFO] [stdout] [INFO] [stdout] running 11 tests [INFO] [stdout] test rbt::tests::rbt_left_rotation ... ok [INFO] [stdout] test rbt::tests::rbt_flip_colors ... ok [INFO] [stdout] test rbt::tests::rbt_right_rotation ... ok [INFO] [stdout] test rbt::tests::rbt_rotate_left_no_right_child_is_identity ... ok [INFO] [stdout] test rbt::tests::rbt_rotation_composition_is_identity ... ok [INFO] [stdout] test rbt::tests::rbt_rotate_right_on_empty_tree_is_identity ... ok [INFO] [stdout] test rbt::tests::rbt_rotate_left_on_empty_tree_is_identity ... ok [INFO] [stdout] test rbt::tests::rbt_rotate_right_no_left_child_is_identity ... ok [INFO] [stdout] test streamlog::tests::read_to_buffer ... FAILED [INFO] [stdout] test streamlog::tests::create_file_segment ... FAILED [INFO] [stdout] test streamlog::tests::write_to_segment ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- streamlog::tests::read_to_buffer stdout ---- [INFO] [stdout] thread 'streamlog::tests::read_to_buffer' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x559a051988eb - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x559a051988eb - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x559a051988eb - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x559a051988eb - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x559a051988eb - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x559a0519855a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x559a05199060 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x559a05198be2 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x559a05198ac6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x559a051aedcd - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x559a05184488 - core::result::unwrap_failed::hf086a8c14356b925 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x559a0514475c - core::result::Result::unwrap::ha79146cc25d5a63f [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x559a0514396d - ::new::h9e37905117b527d5 [INFO] [stdout] at src/streamlog.rs:243 [INFO] [stdout] 13: 0x559a05142bb3 - sstable::streamlog::tests::read_to_buffer::h34ae643a7d186417 [INFO] [stdout] at src/streamlog.rs:365 [INFO] [stdout] 14: 0x559a05142b6a - sstable::streamlog::tests::read_to_buffer::{{closure}}::h372254ae41980779 [INFO] [stdout] at src/streamlog.rs:363 [INFO] [stdout] 15: 0x559a0513e86e - core::ops::function::FnOnce::call_once::h2108dc8a70855175 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 16: 0x559a0514fd3f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 17: 0x559a0519b8ea - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x559a0516a338 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x559a0516a338 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x559a0516a338 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 21: 0x559a051451b5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 22: 0x559a05149275 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 23: 0x559a05149275 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 24: 0x559a05149275 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 25: 0x559a0519b8ea - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 26: 0x559a05149972 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 27: 0x559a05149972 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 28: 0x559a05149972 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 29: 0x559a05149972 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x559a0518e42f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x559a0519b040 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 32: 0x559a0519b040 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 33: 0x559a0519b040 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 34: 0x7f4d5649d4a4 - start_thread [INFO] [stdout] 35: 0x7f4d55fc8d0f - __clone [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- streamlog::tests::create_file_segment stdout ---- [INFO] [stdout] thread 'streamlog::tests::create_file_segment' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x559a051988eb - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x559a051988eb - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x559a051988eb - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x559a051988eb - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x559a051988eb - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x559a0519855a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x559a05199060 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x559a05198be2 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x559a05198ac6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x559a051aedcd - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x559a05184488 - core::result::unwrap_failed::hf086a8c14356b925 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x559a0514475c - core::result::Result::unwrap::ha79146cc25d5a63f [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x559a0514396d - ::new::h9e37905117b527d5 [INFO] [stdout] at src/streamlog.rs:243 [INFO] [stdout] 13: 0x559a051426cd - sstable::streamlog::tests::create_file_segment::h212fda1df2d17a19 [INFO] [stdout] at src/streamlog.rs:344 [INFO] [stdout] 14: 0x559a0514268a - sstable::streamlog::tests::create_file_segment::{{closure}}::hcaa419fad69e85a1 [INFO] [stdout] at src/streamlog.rs:342 [INFO] [stdout] 15: 0x559a0513eaae - core::ops::function::FnOnce::call_once::he50f35466812494d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 16: 0x559a0514fd3f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 17: 0x559a0519b8ea - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x559a0516a338 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x559a0516a338 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x559a0516a338 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 21: 0x559a051451b5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 22: 0x559a05149275 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 23: 0x559a05149275 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 24: 0x559a05149275 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 25: 0x559a0519b8ea - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 26: 0x559a05149972 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 27: 0x559a05149972 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 28: 0x559a05149972 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 29: 0x559a05149972 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x559a0518e42f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x559a0519b040 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 32: 0x559a0519b040 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 33: 0x559a0519b040 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 34: 0x7f4d5649d4a4 - start_thread [INFO] [stdout] 35: 0x7f4d55fc8d0f - __clone [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- streamlog::tests::write_to_segment stdout ---- [INFO] [stdout] thread 'streamlog::tests::write_to_segment' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x559a051988eb - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x559a051988eb - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x559a051988eb - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x559a051988eb - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x559a051988eb - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x559a0519855a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x559a05199060 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x559a05198be2 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x559a05198ac6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x559a051aedcd - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x559a05184488 - core::result::unwrap_failed::hf086a8c14356b925 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x559a0514475c - core::result::Result::unwrap::ha79146cc25d5a63f [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x559a0514396d - ::new::h9e37905117b527d5 [INFO] [stdout] at src/streamlog.rs:243 [INFO] [stdout] 13: 0x559a051427c0 - sstable::streamlog::tests::write_to_segment::h95d83673fa65e2f3 [INFO] [stdout] at src/streamlog.rs:351 [INFO] [stdout] 14: 0x559a0514277a - sstable::streamlog::tests::write_to_segment::{{closure}}::hdd204a95874753c7 [INFO] [stdout] at src/streamlog.rs:349 [INFO] [stdout] 15: 0x559a0513e8ee - core::ops::function::FnOnce::call_once::h3b4856e5343b6fe9 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 16: 0x559a0514fd3f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 17: 0x559a0519b8ea - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x559a0516a338 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x559a0516a338 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x559a0516a338 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 21: 0x559a051451b5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 22: 0x559a05149275 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 23: 0x559a05149275 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 24: 0x559a05149275 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 25: 0x559a0519b8ea - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 26: 0x559a05149972 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 27: 0x559a05149972 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 28: 0x559a05149972 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 29: 0x559a05149972 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x559a0518e42f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x559a0519b040 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 32: 0x559a0519b040 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 33: 0x559a0519b040 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 34: 0x7f4d5649d4a4 - start_thread [INFO] [stdout] 35: 0x7f4d55fc8d0f - __clone [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] streamlog::tests::create_file_segment [INFO] [stdout] streamlog::tests::read_to_buffer [INFO] [stdout] streamlog::tests::write_to_segment [INFO] [stdout] [INFO] [stdout] test result: FAILED. 8 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--bin sstable' [INFO] running `"docker" "inspect" "bde3351e383965634c1e388163242903a478cffc1afe248e0d8e7887a01d0440"` [INFO] running `"docker" "rm" "-f" "bde3351e383965634c1e388163242903a478cffc1afe248e0d8e7887a01d0440"` [INFO] [stdout] bde3351e383965634c1e388163242903a478cffc1afe248e0d8e7887a01d0440