[INFO] updating cached repository kislenko-artem/rust_db
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kislenko-artem/rust_db
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kislenko-artem/rust_db" "work/ex/beta-1.38-1/sources/1.37.0/gh/kislenko-artem/rust_db"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/kislenko-artem/rust_db'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kislenko-artem/rust_db" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kislenko-artem/rust_db"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kislenko-artem/rust_db'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 874d04a91037b94fd22ec3d49bcbe4c60a7fd560
[INFO] sha for GitHub repo kislenko-artem/rust_db: 874d04a91037b94fd22ec3d49bcbe4c60a7fd560
[INFO] validating manifest of kislenko-artem/rust_db 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 kislenko-artem/rust_db 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 kislenko-artem/rust_db
[INFO] finished frobbing kislenko-artem/rust_db
[INFO] frobbed toml for kislenko-artem/rust_db written to work/ex/beta-1.38-1/sources/1.37.0/gh/kislenko-artem/rust_db/Cargo.toml
[INFO] started frobbing kislenko-artem/rust_db
[INFO] finished frobbing kislenko-artem/rust_db
[INFO] frobbed toml for kislenko-artem/rust_db written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kislenko-artem/rust_db/Cargo.toml
[INFO] crate kislenko-artem/rust_db 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 kislenko-artem/rust_db against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kislenko-artem/rust_db:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] ec1ee299f55edf6340219a423cfd57c2f70fc3c1f3dbb4651246d0d6a7669afb
[INFO] running `"docker" "start" "-a" "ec1ee299f55edf6340219a423cfd57c2f70fc3c1f3dbb4651246d0d6a7669afb"`
[INFO] [stderr]    Compiling db v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: constant item is never used: `TABLE_TYPE`
[INFO] [stderr]  --> src/fs/table.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | const TABLE_TYPE:[u8;2] = [0x00, 0x01];
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `STRING_TYPE`
[INFO] [stderr]  --> src/fs/table.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | const STRING_TYPE:[u8;2] = [0x00, 0x02];
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `COLUMN_TEXT_TYPE`
[INFO] [stderr]  --> src/fs/table.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | const COLUMN_TEXT_TYPE:u8 = 0x01;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `COLUMN_INT_TYPE`
[INFO] [stderr]  --> src/fs/table.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | const COLUMN_INT_TYPE:u8 = 0x02;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `COLUMN_DATE_TYPE`
[INFO] [stderr]  --> src/fs/table.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | const COLUMN_DATE_TYPE:u8 = 0x03;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `COLUMN_DATETIME_TYPE`
[INFO] [stderr]  --> src/fs/table.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | const COLUMN_DATETIME_TYPE:u8 = 0x04;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ColumnTypes`
[INFO] [stderr]   --> src/fs/table.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | enum ColumnTypes {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Column`
[INFO] [stderr]   --> src/fs/table.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | struct Column {
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/fs/table.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn new() -> Column {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Header`
[INFO] [stderr]   --> src/fs/table.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | struct Header {
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write`
[INFO] [stderr]   --> src/fs/table.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn write(&mut self, path_to: String) -> Result<(), io::Error> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read`
[INFO] [stderr]   --> src/fs/table.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     fn read(&mut self, path_to: String) -> Result<(), io::Error> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Table`
[INFO] [stderr]    --> src/fs/table.rs:164:1
[INFO] [stderr]     |
[INFO] [stderr] 164 | struct Table {
[INFO] [stderr]     | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_info`
[INFO] [stderr]    --> src/fs/table.rs:170:5
[INFO] [stderr]     |
[INFO] [stderr] 170 |     fn get_info(&mut self) -> Result<(), io::Error> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `create`
[INFO] [stderr]    --> src/fs/table.rs:174:5
[INFO] [stderr]     |
[INFO] [stderr] 174 |     fn create(&mut self) -> Result<(), io::Error> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write`
[INFO] [stderr]    --> src/fs/table.rs:180:5
[INFO] [stderr]     |
[INFO] [stderr] 180 |     fn write(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read`
[INFO] [stderr]    --> src/fs/table.rs:184:5
[INFO] [stderr]     |
[INFO] [stderr] 184 |     fn read(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Fs`
[INFO] [stderr]  --> src/fs/mod.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | struct Fs {}
[INFO] [stderr]   | ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write`
[INFO] [stderr]   --> src/fs/mod.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn write(&self, path: String, bytes: &[u8]) -> Result<(), io::Error> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read`
[INFO] [stderr]   --> src/fs/mod.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn read(&self, path: String, contents: &mut Vec<u8>) -> Result<usize, io::Error> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `delete`
[INFO] [stderr]   --> src/fs/mod.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn delete(&self, path: String) -> Result<(), io::Error> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `"docker" "inspect" "ec1ee299f55edf6340219a423cfd57c2f70fc3c1f3dbb4651246d0d6a7669afb"`
[INFO] running `"docker" "rm" "-f" "ec1ee299f55edf6340219a423cfd57c2f70fc3c1f3dbb4651246d0d6a7669afb"`
[INFO] [stdout] ec1ee299f55edf6340219a423cfd57c2f70fc3c1f3dbb4651246d0d6a7669afb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kislenko-artem/rust_db:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8fd49055b20ea90bd537b99528af363f41757068f7981d4a4dcd87c6c8ef93e5
[INFO] running `"docker" "start" "-a" "8fd49055b20ea90bd537b99528af363f41757068f7981d4a4dcd87c6c8ef93e5"`
[INFO] [stderr]    Compiling db v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: constant item is never used: `STRING_TYPE`
[INFO] [stderr]  --> src/fs/table.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | const STRING_TYPE:[u8;2] = [0x00, 0x02];
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write`
[INFO] [stderr]    --> src/fs/table.rs:180:5
[INFO] [stderr]     |
[INFO] [stderr] 180 |     fn write(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read`
[INFO] [stderr]    --> src/fs/table.rs:184:5
[INFO] [stderr]     |
[INFO] [stderr] 184 |     fn read(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `"docker" "inspect" "8fd49055b20ea90bd537b99528af363f41757068f7981d4a4dcd87c6c8ef93e5"`
[INFO] running `"docker" "rm" "-f" "8fd49055b20ea90bd537b99528af363f41757068f7981d4a4dcd87c6c8ef93e5"`
[INFO] [stdout] 8fd49055b20ea90bd537b99528af363f41757068f7981d4a4dcd87c6c8ef93e5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kislenko-artem/rust_db:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 5f05389e2c69a11353bf3e15422b8ef1efe64799e7c7c0055938b68fc6fc29f9
[INFO] running `"docker" "start" "-a" "5f05389e2c69a11353bf3e15422b8ef1efe64799e7c7c0055938b68fc6fc29f9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/db-7b521ddaf1753f2f
[INFO] [stdout] running 2 tests
[INFO] [stdout] test fs::table::tests::test_table_create ... ok
[INFO] [stdout] test fs::tests::test_file_write_read ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "5f05389e2c69a11353bf3e15422b8ef1efe64799e7c7c0055938b68fc6fc29f9"`
[INFO] running `"docker" "rm" "-f" "5f05389e2c69a11353bf3e15422b8ef1efe64799e7c7c0055938b68fc6fc29f9"`
[INFO] [stdout] 5f05389e2c69a11353bf3e15422b8ef1efe64799e7c7c0055938b68fc6fc29f9