[INFO] cloning repository https://github.com/Ks5810/mysqlinsert
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ks5810/mysqlinsert" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKs5810%2Fmysqlinsert", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKs5810%2Fmysqlinsert'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8c8fd9534c3b77db753146e27be1e7f75ed6966d
[INFO] testing Ks5810/mysqlinsert against 1.52.1 for beta-1.52-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKs5810%2Fmysqlinsert" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ks5810/mysqlinsert on toolchain 1.52.1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Ks5810/mysqlinsert
[INFO] finished tweaking git repo https://github.com/Ks5810/mysqlinsert
[INFO] tweaked toml for git repo https://github.com/Ks5810/mysqlinsert written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Ks5810/mysqlinsert already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5cb8a80b5b4f8277763b57082599fe7e42ac37f91112298d6e7b1be5da0f99be
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5cb8a80b5b4f8277763b57082599fe7e42ac37f91112298d6e7b1be5da0f99be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cb8a80b5b4f8277763b57082599fe7e42ac37f91112298d6e7b1be5da0f99be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cb8a80b5b4f8277763b57082599fe7e42ac37f91112298d6e7b1be5da0f99be", kill_on_drop: false }`
[INFO] [stdout] 5cb8a80b5b4f8277763b57082599fe7e42ac37f91112298d6e7b1be5da0f99be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88b62774fb4897eb5468d8906fe8adf8ca38d095fcdcd5b5ef66baaa76857db9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "88b62774fb4897eb5468d8906fe8adf8ca38d095fcdcd5b5ef66baaa76857db9", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling command-macros v0.2.7
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling lexical-core v0.4.5
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling rpassword v4.0.1
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling chrono v0.4.9
[INFO] [stderr]    Compiling dotenv v0.9.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling flate2 v1.0.11
[INFO] [stderr]    Compiling twox-hash v1.5.0
[INFO] [stderr]    Compiling lexical v2.2.2
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling bigdecimal v0.1.0
[INFO] [stderr]    Compiling rust_decimal v1.0.3
[INFO] [stderr]    Compiling mysql_common v0.18.0
[INFO] [stderr]    Compiling mysql v16.1.0
[INFO] [stderr]    Compiling mysqlinsert v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `remove_tab`
[INFO] [stdout]   --> src/args.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn remove_tab(s: &mut String) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `remove_whitespace`
[INFO] [stdout]   --> src/args.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn remove_whitespace(s: &mut String) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_ter`
[INFO] [stdout]   --> src/args.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn get_ter(s:&str) -> char{
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_sep`
[INFO] [stdout]   --> src/args.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn get_sep(s: &str) -> char{
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_first_char`
[INFO] [stdout]   --> src/args.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn get_first_char(s: &str) -> char{
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `str::<impl str>::replace` that must be used
[INFO] [stdout]   --> src/args.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     s.replace('\t', "");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this returns the replaced string as a new allocation, without modifying the original
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.10s
[INFO] running `Command { std: "docker" "inspect" "88b62774fb4897eb5468d8906fe8adf8ca38d095fcdcd5b5ef66baaa76857db9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88b62774fb4897eb5468d8906fe8adf8ca38d095fcdcd5b5ef66baaa76857db9", kill_on_drop: false }`
[INFO] [stdout] 88b62774fb4897eb5468d8906fe8adf8ca38d095fcdcd5b5ef66baaa76857db9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00965cbd29add8de6ba4fcf7e6a2dfcd7376bcc6a40fa2ba738a207f24b3c243
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "00965cbd29add8de6ba4fcf7e6a2dfcd7376bcc6a40fa2ba738a207f24b3c243", kill_on_drop: false }`
[INFO] [stderr]    Compiling mysqlinsert v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `remove_tab`
[INFO] [stdout]   --> src/args.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn remove_tab(s: &mut String) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `remove_whitespace`
[INFO] [stdout]   --> src/args.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn remove_whitespace(s: &mut String) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_ter`
[INFO] [stdout]   --> src/args.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn get_ter(s:&str) -> char{
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_sep`
[INFO] [stdout]   --> src/args.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn get_sep(s: &str) -> char{
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_first_char`
[INFO] [stdout]   --> src/args.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn get_first_char(s: &str) -> char{
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `str::<impl str>::replace` that must be used
[INFO] [stdout]   --> src/args.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     s.replace('\t', "");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this returns the replaced string as a new allocation, without modifying the original
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `remove_tab`
[INFO] [stdout]   --> src/args.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn remove_tab(s: &mut String) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `remove_whitespace`
[INFO] [stdout]   --> src/args.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn remove_whitespace(s: &mut String) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_ter`
[INFO] [stdout]   --> src/args.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn get_ter(s:&str) -> char{
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_sep`
[INFO] [stdout]   --> src/args.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn get_sep(s: &str) -> char{
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_first_char`
[INFO] [stdout]   --> src/args.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn get_first_char(s: &str) -> char{
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `str::<impl str>::replace` that must be used
[INFO] [stdout]   --> src/args.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     s.replace('\t', "");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this returns the replaced string as a new allocation, without modifying the original
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `Command { std: "docker" "inspect" "00965cbd29add8de6ba4fcf7e6a2dfcd7376bcc6a40fa2ba738a207f24b3c243", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00965cbd29add8de6ba4fcf7e6a2dfcd7376bcc6a40fa2ba738a207f24b3c243", kill_on_drop: false }`
[INFO] [stdout] 00965cbd29add8de6ba4fcf7e6a2dfcd7376bcc6a40fa2ba738a207f24b3c243
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e1c080c6d576abad54b8c9b399aeb16ce5886ec955f369a9ec24c8ffa7467fe5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e1c080c6d576abad54b8c9b399aeb16ce5886ec955f369a9ec24c8ffa7467fe5", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: function is never used: `remove_tab`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/args.rs:27:4
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 27 | fn remove_tab(s: &mut String) {
[INFO] [stdout] 
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `remove_whitespace`
[INFO] [stderr]   --> src/args.rs:30:4
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn remove_whitespace(s: &mut String) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_ter`
[INFO] [stderr]   --> src/args.rs:33:4
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn get_ter(s:&str) -> char{
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_sep`
[INFO] [stderr]   --> src/args.rs:40:4
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn get_sep(s: &str) -> char{
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_first_char`
[INFO] [stderr]   --> src/args.rs:47:4
[INFO] [stderr]    |
[INFO] [stderr] 47 | fn get_first_char(s: &str) -> char{
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `str::<impl str>::replace` that must be used
[INFO] [stderr]   --> src/args.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     s.replace('\t', "");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this returns the replaced string as a new allocation, without modifying the original
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `remove_tab`
[INFO] [stderr]   --> src/args.rs:27:4
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn remove_tab(s: &mut String) {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `remove_whitespace`
[INFO] [stderr]   --> src/args.rs:30:4
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn remove_whitespace(s: &mut String) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_ter`
[INFO] [stderr]   --> src/args.rs:33:4
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn get_ter(s:&str) -> char{
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_sep`
[INFO] [stderr]   --> src/args.rs:40:4
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn get_sep(s: &str) -> char{
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_first_char`
[INFO] [stderr]   --> src/args.rs:47:4
[INFO] [stderr]    |
[INFO] [stderr] 47 | fn get_first_char(s: &str) -> char{
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `str::<impl str>::replace` that must be used
[INFO] [stderr]   --> src/args.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     s.replace('\t', "");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this returns the replaced string as a new allocation, without modifying the original
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mysqlinsert-18b39941d260899e)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mysqlinsert-ab20e8fbc980fd6d)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mysqlinsert
[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] [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" "e1c080c6d576abad54b8c9b399aeb16ce5886ec955f369a9ec24c8ffa7467fe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1c080c6d576abad54b8c9b399aeb16ce5886ec955f369a9ec24c8ffa7467fe5", kill_on_drop: false }`
[INFO] [stdout] e1c080c6d576abad54b8c9b399aeb16ce5886ec955f369a9ec24c8ffa7467fe5