[INFO] updating cached repository https://github.com/zhuguoliang/rLSM
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] aa2da0671634c95ff0d630d0b43147434ec7c062
[INFO] checking zhuguoliang/rLSM against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhuguoliang%2FrLSM" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zhuguoliang/rLSM on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/zhuguoliang/rLSM
[INFO] finished tweaking git repo https://github.com/zhuguoliang/rLSM
[INFO] tweaked toml for git repo https://github.com/zhuguoliang/rLSM written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/zhuguoliang/rLSM already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c98761c3b95c1ea0c00bfa23fd493bffe1fe82a142add24ae5829d20595b982a
[INFO] running `"docker" "start" "-a" "c98761c3b95c1ea0c00bfa23fd493bffe1fe82a142add24ae5829d20595b982a"`
[INFO] [stderr]     Checking rand_core v0.4.0 (https://github.com/rust-random/rand#73ef869e)
[INFO] [stderr]     Checking bit-vec v0.5.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2 (https://github.com/rust-random/rand#73ef869e)
[INFO] [stderr]    Compiling rand v0.6.5 (https://github.com/rust-random/rand#73ef869e)
[INFO] [stderr]     Checking getrandom v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0 (https://github.com/rust-random/rand#73ef869e)
[INFO] [stderr]     Checking database_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `rand::thread_rng`
[INFO] [stderr]  --> src/bloom_filter.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use rand::thread_rng;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/bloom_filter.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `bit_vec::BitVec`
[INFO] [stderr]  --> src/bloom_filter.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use bit_vec::BitVec;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `test::Bencher`
[INFO] [stderr]  --> src/component.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use test::Bencher;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/lsm.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]  --> src/lsm.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::fs;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/lsm.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `test::Bencher`
[INFO] [stderr]  --> src/lsm.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use test::Bencher;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `helper`
[INFO] [stderr]  --> src/lsm.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use helper;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]   --> src/lsm.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use rand::Rng;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `LSM_tree` should have an upper camel case name
[INFO] [stderr]   --> src/lsm.rs:17:12
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub struct LSM_tree{
[INFO] [stderr]    |            ^^^^^^^^ help: convert the identifier to upper camel case: `LsmTree`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/lsm.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | 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::fs`
[INFO] [stderr]  --> src/lsm.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::fs;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/lsm.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `test::Bencher`
[INFO] [stderr]  --> src/lsm.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use test::Bencher;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `helper`
[INFO] [stderr]  --> src/lsm.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use helper;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]   --> src/lsm.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use rand::Rng;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `LSM_tree` should have an upper camel case name
[INFO] [stderr]   --> src/lsm.rs:17:12
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub struct LSM_tree{
[INFO] [stderr]    |            ^^^^^^^^ help: convert the identifier to upper camel case: `LsmTree`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `currentpos`
[INFO] [stderr]   --> src/helper.rs:88:12
[INFO] [stderr]    |
[INFO] [stderr] 88 |         Ok(currentpos)=> ()
[INFO] [stderr]    |            ^^^^^^^^^^ help: consider prefixing with an underscore: `_currentpos`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cs_ne_size`
[INFO] [stderr]   --> src/lsm.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |         let cs_ne_size = nc + 2;
[INFO] [stderr]    |             ^^^^^^^^^^ help: consider prefixing with an underscore: `_cs_ne_size`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cs_ne_size`
[INFO] [stderr]   --> src/lsm.rs:61:13
[INFO] [stderr]    |
[INFO] [stderr] 61 |         let cs_ne_size = nc + 2; 
[INFO] [stderr]    |             ^^^^^^^^^^ help: consider prefixing with an underscore: `_cs_ne_size`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `currentpos`
[INFO] [stderr]   --> src/helper.rs:88:12
[INFO] [stderr]    |
[INFO] [stderr] 88 |         Ok(currentpos)=> ()
[INFO] [stderr]    |            ^^^^^^^^^^ help: consider prefixing with an underscore: `_currentpos`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ml`
[INFO] [stderr]    --> src/lsm.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |     let ml = LSM_tree::new(&name, Cs_size,Nc,filename_size,global_conf::VALUE_SIZE);
[INFO] [stderr]     |         ^^ help: consider prefixing with an underscore: `_ml`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cs_ne_size`
[INFO] [stderr]   --> src/lsm.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |         let cs_ne_size = nc + 2;
[INFO] [stderr]    |             ^^^^^^^^^^ help: consider prefixing with an underscore: `_cs_ne_size`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cs_ne_size`
[INFO] [stderr]   --> src/lsm.rs:61:13
[INFO] [stderr]    |
[INFO] [stderr] 61 |         let cs_ne_size = nc + 2; 
[INFO] [stderr]    |             ^^^^^^^^^^ help: consider prefixing with an underscore: `_cs_ne_size`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Cs_size` should have a snake case name
[INFO] [stderr]   --> src/lsm.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub Cs_size:Vec<u64>, //size of component in sequence [C0, buffer, C1, C2,...]
[INFO] [stderr]    |         ^^^^^^^ help: convert the identifier to snake case: `cs_size`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `C0` should have a snake case name
[INFO] [stderr]   --> src/lsm.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub C0:Component,
[INFO] [stderr]    |         ^^ help: convert the identifier to snake case: `c0`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Cs_size` should have a snake case name
[INFO] [stderr]   --> src/lsm.rs:35:42
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn init(&mut self, name:&String, Cs_size:Vec<u64>, nc:usize,
[INFO] [stderr]    |                                          ^^^^^^^ help: convert the identifier to snake case: `cs_size`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Cs_size` should have a snake case name
[INFO] [stderr]   --> src/lsm.rs:59:30
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn new(name:&String, Cs_size:Vec<u64>, nc:usize,
[INFO] [stderr]    |                              ^^^^^^^ help: convert the identifier to snake case: `cs_size`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Cs_size` should have a snake case name
[INFO] [stderr]   --> src/lsm.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub Cs_size:Vec<u64>, //size of component in sequence [C0, buffer, C1, C2,...]
[INFO] [stderr]    |         ^^^^^^^ help: convert the identifier to snake case: `cs_size`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `C0` should have a snake case name
[INFO] [stderr]   --> src/lsm.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub C0:Component,
[INFO] [stderr]    |         ^^ help: convert the identifier to snake case: `c0`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Cs_size` should have a snake case name
[INFO] [stderr]   --> src/lsm.rs:35:42
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn init(&mut self, name:&String, Cs_size:Vec<u64>, nc:usize,
[INFO] [stderr]    |                                          ^^^^^^^ help: convert the identifier to snake case: `cs_size`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Cs_size` should have a snake case name
[INFO] [stderr]   --> src/lsm.rs:59:30
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn new(name:&String, Cs_size:Vec<u64>, nc:usize,
[INFO] [stderr]    |                              ^^^^^^^ help: convert the identifier to snake case: `cs_size`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `SIZE` should have a snake case name
[INFO] [stderr]   --> src/lsm.rs:99:9
[INFO] [stderr]    |
[INFO] [stderr] 99 |     let SIZE:u64 = 1000;
[INFO] [stderr]    |         ^^^^ help: convert the identifier to snake case: `size`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Cs_size` should have a snake case name
[INFO] [stderr]    --> src/lsm.rs:100:9
[INFO] [stderr]     |
[INFO] [stderr] 100 |     let Cs_size = vec![SIZE, 3*SIZE, 9*SIZE, 27*SIZE, 
[INFO] [stderr]     |         ^^^^^^^ help: convert the identifier to snake case: `cs_size`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Nc` should have a snake case name
[INFO] [stderr]    --> src/lsm.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |     let Nc = 7;
[INFO] [stderr]     |         ^^ help: convert the identifier to snake case: `nc`
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_LSMTree_generation` should have a snake case name
[INFO] [stderr]    --> src/lsm.rs:111:4
[INFO] [stderr]     |
[INFO] [stderr] 111 | fn test_LSMTree_generation(){
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_lsmtree_generation`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.83s
[INFO] running `"docker" "inspect" "c98761c3b95c1ea0c00bfa23fd493bffe1fe82a142add24ae5829d20595b982a"`
[INFO] running `"docker" "rm" "-f" "c98761c3b95c1ea0c00bfa23fd493bffe1fe82a142add24ae5829d20595b982a"`
[INFO] [stdout] c98761c3b95c1ea0c00bfa23fd493bffe1fe82a142add24ae5829d20595b982a