[INFO] cloning repository https://github.com/teltam/ferrum-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/teltam/ferrum-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fteltam%2Fferrum-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fteltam%2Fferrum-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d29489f82ee8fce4e2549c9bb1a1560c90bb0470
[INFO] testing teltam/ferrum-rs against 1.100.0-beta.1 for beta-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fteltam%2Fferrum-rs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/teltam/ferrum-rs
[INFO] finished tweaking git repo https://github.com/teltam/ferrum-rs
[INFO] tweaked toml for git repo https://github.com/teltam/ferrum-rs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/teltam/ferrum-rs on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/teltam/ferrum-rs 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 06c63326d71eedcf6b5c4528eefa443cdf002d54f1c8a59eb646ac82120dc837
[INFO] running `Command { std: "docker" "start" "06c63326d71eedcf6b5c4528eefa443cdf002d54f1c8a59eb646ac82120dc837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06c63326d71eedcf6b5c4528eefa443cdf002d54f1c8a59eb646ac82120dc837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "06c63326d71eedcf6b5c4528eefa443cdf002d54f1c8a59eb646ac82120dc837" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06c63326d71eedcf6b5c4528eefa443cdf002d54f1c8a59eb646ac82120dc837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "06c63326d71eedcf6b5c4528eefa443cdf002d54f1c8a59eb646ac82120dc837" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling serde v1.0.213
[INFO] [stderr]    Compiling serde_json v1.0.132
[INFO] [stderr]    Compiling cpufeatures v0.2.14
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.85
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling serde_derive v1.0.213
[INFO] [stderr]    Compiling ferrum-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Index` is never constructed
[INFO] [stdout]  --> src/flush.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Index {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DataBlock` is never constructed
[INFO] [stdout]   --> src/flush.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct DataBlock {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `hash` are never used
[INFO] [stdout]   --> src/flush.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl DataBlock {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 28 |     pub fn new(block_size: usize) -> DataBlock {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn hash(&self) -> String {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StaticSortedTable` is never constructed
[INFO] [stdout]   --> src/flush.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | struct StaticSortedTable {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `flush` is never used
[INFO] [stdout]   --> src/flush.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub fn flush(mem_table: &MemTable) -> std::io::Result<MemTable> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MemTableEntry` is never constructed
[INFO] [stdout]  --> src/mem_table.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct MemTableEntry {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `hash` is never used
[INFO] [stdout]   --> src/mem_table.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl MemTableEntry {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] 23 |     fn hash(&self) -> String {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MemTableWALEntry` is never constructed
[INFO] [stdout]   --> src/mem_table.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct MemTableWALEntry {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MemTable` is never constructed
[INFO] [stdout]   --> src/mem_table.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct MemTable {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `get`, and `put` are never used
[INFO] [stdout]   --> src/mem_table.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | impl MemTable {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 49 |     pub fn new() -> MemTable {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn get(&self, key: String) -> Option<u32> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn put(&mut self, key: String, value: u32) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.35s
[INFO] running `Command { std: "docker" "inspect" "06c63326d71eedcf6b5c4528eefa443cdf002d54f1c8a59eb646ac82120dc837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "06c63326d71eedcf6b5c4528eefa443cdf002d54f1c8a59eb646ac82120dc837" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling ferrum-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Index` is never constructed
[INFO] [stdout]  --> src/flush.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Index {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DataBlock` is never constructed
[INFO] [stdout]   --> src/flush.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct DataBlock {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `hash` are never used
[INFO] [stdout]   --> src/flush.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl DataBlock {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 28 |     pub fn new(block_size: usize) -> DataBlock {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn hash(&self) -> String {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StaticSortedTable` is never constructed
[INFO] [stdout]   --> src/flush.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | struct StaticSortedTable {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `flush` is never used
[INFO] [stdout]   --> src/flush.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub fn flush(mem_table: &MemTable) -> std::io::Result<MemTable> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MemTableEntry` is never constructed
[INFO] [stdout]  --> src/mem_table.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct MemTableEntry {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `hash` is never used
[INFO] [stdout]   --> src/mem_table.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl MemTableEntry {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] 23 |     fn hash(&self) -> String {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MemTableWALEntry` is never constructed
[INFO] [stdout]   --> src/mem_table.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct MemTableWALEntry {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MemTable` is never constructed
[INFO] [stdout]   --> src/mem_table.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct MemTable {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `get`, and `put` are never used
[INFO] [stdout]   --> src/mem_table.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | impl MemTable {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 49 |     pub fn new() -> MemTable {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn get(&self, key: String) -> Option<u32> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn put(&mut self, key: String, value: u32) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "06c63326d71eedcf6b5c4528eefa443cdf002d54f1c8a59eb646ac82120dc837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "06c63326d71eedcf6b5c4528eefa443cdf002d54f1c8a59eb646ac82120dc837" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Index` is never constructed
[INFO] [stderr]  --> src/flush.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | struct Index {
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `DataBlock` is never constructed
[INFO] [stderr]   --> src/flush.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | struct DataBlock {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `hash` are never used
[INFO] [stderr]   --> src/flush.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 27 | impl DataBlock {
[INFO] [stderr]    | -------------- associated items in this implementation
[INFO] [stderr] 28 |     pub fn new(block_size: usize) -> DataBlock {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 35 |     pub fn hash(&self) -> String {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `StaticSortedTable` is never constructed
[INFO] [stderr]   --> src/flush.rs:44:8
[INFO] [stderr]    |
[INFO] [stderr] 44 | struct StaticSortedTable {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `flush` is never used
[INFO] [stderr]   --> src/flush.rs:54:8
[INFO] [stderr]    |
[INFO] [stderr] 54 | pub fn flush(mem_table: &MemTable) -> std::io::Result<MemTable> {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `MemTableEntry` is never constructed
[INFO] [stderr]  --> src/mem_table.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct MemTableEntry {
[INFO] [stderr]   |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `hash` is never used
[INFO] [stderr]   --> src/mem_table.rs:23:8
[INFO] [stderr]    |
[INFO] [stderr] 22 | impl MemTableEntry {
[INFO] [stderr]    | ------------------ method in this implementation
[INFO] [stderr] 23 |     fn hash(&self) -> String {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `MemTableWALEntry` is never constructed
[INFO] [stderr]   --> src/mem_table.rs:32:12
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub struct MemTableWALEntry {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `MemTable` is never constructed
[INFO] [stderr]   --> src/mem_table.rs:40:12
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub struct MemTable {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `get`, and `put` are never used
[INFO] [stderr]   --> src/mem_table.rs:49:12
[INFO] [stderr]    |
[INFO] [stderr] 48 | impl MemTable {
[INFO] [stderr]    | ------------- associated items in this implementation
[INFO] [stderr] 49 |     pub fn new() -> MemTable {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 56 |     pub fn get(&self, key: String) -> Option<u32> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 66 |     pub fn put(&mut self, key: String, value: u32) {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ferrum-rs` (lib) generated 10 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/build/ferrum-rs/047924ac032f5fb1/out/ferrum_rs-047924ac032f5fb1)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test flush::tests::test_flush ... ok
[INFO] [stdout] test mem_table::tests::test_mem_table_read_and_write ... ok
[INFO] [stdout] test flush::tests::test_sst_write ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ferrum_rs
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "06c63326d71eedcf6b5c4528eefa443cdf002d54f1c8a59eb646ac82120dc837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06c63326d71eedcf6b5c4528eefa443cdf002d54f1c8a59eb646ac82120dc837", kill_on_drop: false }`
[INFO] [stdout] 06c63326d71eedcf6b5c4528eefa443cdf002d54f1c8a59eb646ac82120dc837
