[INFO] fetching crate migrant_lib 0.34.0...
[INFO] building migrant_lib-0.34.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate migrant_lib 0.34.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate migrant_lib 0.34.0
[INFO] finished tweaking crates.io crate migrant_lib 0.34.0
[INFO] tweaked toml for crates.io crate migrant_lib 0.34.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate migrant_lib 0.34.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate migrant_lib 0.34.0 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4a4ea1773096823923bc693c8a15db5960e6382071ee8b5b8c791855d7924e0
[INFO] running `Command { std: "docker" "start" "-a" "d4a4ea1773096823923bc693c8a15db5960e6382071ee8b5b8c791855d7924e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4a4ea1773096823923bc693c8a15db5960e6382071ee8b5b8c791855d7924e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4a4ea1773096823923bc693c8a15db5960e6382071ee8b5b8c791855d7924e0", kill_on_drop: false }`
[INFO] [stdout] d4a4ea1773096823923bc693c8a15db5960e6382071ee8b5b8c791855d7924e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe17dd9ff34902a0ff4f7b98f4c9f5bdf0f57d189282496216a19d242fbab328
[INFO] running `Command { std: "docker" "start" "-a" "fe17dd9ff34902a0ff4f7b98f4c9f5bdf0f57d189282496216a19d242fbab328", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
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[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling tinyvec v1.5.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling serde_json v1.0.74
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling itoa v1.0.1
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[INFO] [stderr]    Compiling num-traits v0.2.14
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[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling time v0.1.43
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[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling idna v0.2.3
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[INFO] [stderr]    Compiling addr2line v0.17.0
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[INFO] [stderr]    Compiling migrant_lib v0.34.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/drivers/mysql.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/drivers/pg.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/drivers/sqlite.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/drivers/sqlite.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `has_error_description_deprecated`
[INFO] [stdout]   --> src/errors.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | / error_chain! {
[INFO] [stdout] 21 | |     foreign_links {
[INFO] [stdout] 22 | |         Io(std::io::Error);
[INFO] [stdout] 23 | |         StringUtf8Error(std::string::FromUtf8Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 72 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `impl_error_chain_processed` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the macro `impl_error_chain_processed` may come from an old version of the `error_chain` crate, try updating your dependency with `cargo update -p error_chain`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/migratable.rs:19:69
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn apply_up(&self, _: DbKind, _: &Config) -> Result<(), Box<dyn (::std::error::Error)>> {
[INFO] [stdout]    |                                                                     ^                   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 19 -     fn apply_up(&self, _: DbKind, _: &Config) -> Result<(), Box<dyn (::std::error::Error)>> {
[INFO] [stdout] 19 +     fn apply_up(&self, _: DbKind, _: &Config) -> Result<(), Box<dyn ::std::error::Error>> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/migratable.rs:25:71
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn apply_down(&self, _: DbKind, _: &Config) -> Result<(), Box<dyn (::std::error::Error)>> {
[INFO] [stdout]    |                                                                       ^                   ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 25 -     fn apply_down(&self, _: DbKind, _: &Config) -> Result<(), Box<dyn (::std::error::Error)>> {
[INFO] [stdout] 25 +     fn apply_down(&self, _: DbKind, _: &Config) -> Result<(), Box<dyn ::std::error::Error>> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/migration.rs:406:42
[INFO] [stdout]     |
[INFO] [stdout] 406 |     ) -> std::result::Result<(), Box<dyn (::std::error::Error)>> {
[INFO] [stdout]     |                                          ^                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 406 -     ) -> std::result::Result<(), Box<dyn (::std::error::Error)>> {
[INFO] [stdout] 406 +     ) -> std::result::Result<(), Box<dyn ::std::error::Error>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/migration.rs:419:42
[INFO] [stdout]     |
[INFO] [stdout] 419 |     ) -> std::result::Result<(), Box<dyn (::std::error::Error)>> {
[INFO] [stdout]     |                                          ^                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 419 -     ) -> std::result::Result<(), Box<dyn (::std::error::Error)>> {
[INFO] [stdout] 419 +     ) -> std::result::Result<(), Box<dyn ::std::error::Error>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn_str`
[INFO] [stdout]   --> src/drivers/mysql.rs:14:24
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn can_connect(conn_str: &str) -> Result<bool> {
[INFO] [stdout]    |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_str`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn_str`
[INFO] [stdout]   --> src/drivers/mysql.rs:17:35
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn migration_table_exists(conn_str: &str) -> Result<bool> {
[INFO] [stdout]    |                                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn_str`
[INFO] [stdout]   --> src/drivers/mysql.rs:20:28
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn migration_setup(conn_str: &str) -> Result<bool> {
[INFO] [stdout]    |                            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn_str`
[INFO] [stdout]   --> src/drivers/mysql.rs:23:30
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn select_migrations(conn_str: &str) -> Result<Vec<String>> {
[INFO] [stdout]    |                              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn_str`
[INFO] [stdout]   --> src/drivers/mysql.rs:26:33
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn insert_migration_tag(conn_str: &str, tag: &str) -> Result<()> {
[INFO] [stdout]    |                                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tag`
[INFO] [stdout]   --> src/drivers/mysql.rs:26:49
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn insert_migration_tag(conn_str: &str, tag: &str) -> Result<()> {
[INFO] [stdout]    |                                                 ^^^ help: if this is intentional, prefix it with an underscore: `_tag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn_str`
[INFO] [stdout]   --> src/drivers/mysql.rs:29:33
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn remove_migration_tag(conn_str: &str, tag: &str) -> Result<()> {
[INFO] [stdout]    |                                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tag`
[INFO] [stdout]   --> src/drivers/mysql.rs:29:49
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn remove_migration_tag(conn_str: &str, tag: &str) -> Result<()> {
[INFO] [stdout]    |                                                 ^^^ help: if this is intentional, prefix it with an underscore: `_tag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn_str`
[INFO] [stdout]   --> src/drivers/mysql.rs:32:26
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn run_migration(conn_str: &str, filename: &Path) -> Result<()> {
[INFO] [stdout]    |                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filename`
[INFO] [stdout]   --> src/drivers/mysql.rs:32:42
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn run_migration(conn_str: &str, filename: &Path) -> Result<()> {
[INFO] [stdout]    |                                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn_str`
[INFO] [stdout]   --> src/drivers/mysql.rs:35:30
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn run_migration_str(conn_str: &str, stmt: &str) -> Result<()> {
[INFO] [stdout]    |                              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stmt`
[INFO] [stdout]   --> src/drivers/mysql.rs:35:46
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn run_migration_str(conn_str: &str, stmt: &str) -> Result<()> {
[INFO] [stdout]    |                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_stmt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cert`
[INFO] [stdout]   --> src/drivers/pg.rs:13:24
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn can_connect(cert: Option<&Path>, conn_str: &str) -> Result<bool> {
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_cert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn_str`
[INFO] [stdout]   --> src/drivers/pg.rs:13:45
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn can_connect(cert: Option<&Path>, conn_str: &str) -> Result<bool> {
[INFO] [stdout]    |                                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cert`
[INFO] [stdout]   --> src/drivers/pg.rs:16:35
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn migration_table_exists(cert: Option<&Path>, conn_str: &str) -> Result<bool> {
[INFO] [stdout]    |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_cert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn_str`
[INFO] [stdout]   --> src/drivers/pg.rs:16:56
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn migration_table_exists(cert: Option<&Path>, conn_str: &str) -> Result<bool> {
[INFO] [stdout]    |                                                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cert`
[INFO] [stdout]   --> src/drivers/pg.rs:19:28
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn migration_setup(cert: Option<&Path>, conn_str: &str) -> Result<bool> {
[INFO] [stdout]    |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_cert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn_str`
[INFO] [stdout]   --> src/drivers/pg.rs:19:49
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn migration_setup(cert: Option<&Path>, conn_str: &str) -> Result<bool> {
[INFO] [stdout]    |                                                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cert`
[INFO] [stdout]   --> src/drivers/pg.rs:22:30
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn select_migrations(cert: Option<&Path>, conn_str: &str) -> Result<Vec<String>> {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_cert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn_str`
[INFO] [stdout]   --> src/drivers/pg.rs:22:51
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn select_migrations(cert: Option<&Path>, conn_str: &str) -> Result<Vec<String>> {
[INFO] [stdout]    |                                                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cert`
[INFO] [stdout]   --> src/drivers/pg.rs:25:33
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn insert_migration_tag(cert: Option<&Path>, conn_str: &str, tag: &str) -> Result<()> {
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_cert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn_str`
[INFO] [stdout]   --> src/drivers/pg.rs:25:54
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn insert_migration_tag(cert: Option<&Path>, conn_str: &str, tag: &str) -> Result<()> {
[INFO] [stdout]    |                                                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tag`
[INFO] [stdout]   --> src/drivers/pg.rs:25:70
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn insert_migration_tag(cert: Option<&Path>, conn_str: &str, tag: &str) -> Result<()> {
[INFO] [stdout]    |                                                                      ^^^ help: if this is intentional, prefix it with an underscore: `_tag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cert`
[INFO] [stdout]   --> src/drivers/pg.rs:28:33
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn remove_migration_tag(cert: Option<&Path>, conn_str: &str, tag: &str) -> Result<()> {
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_cert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn_str`
[INFO] [stdout]   --> src/drivers/pg.rs:28:54
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn remove_migration_tag(cert: Option<&Path>, conn_str: &str, tag: &str) -> Result<()> {
[INFO] [stdout]    |                                                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tag`
[INFO] [stdout]   --> src/drivers/pg.rs:28:70
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn remove_migration_tag(cert: Option<&Path>, conn_str: &str, tag: &str) -> Result<()> {
[INFO] [stdout]    |                                                                      ^^^ help: if this is intentional, prefix it with an underscore: `_tag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cert`
[INFO] [stdout]   --> src/drivers/pg.rs:31:26
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn run_migration(cert: Option<&Path>, conn_str: &str, filename: &Path) -> Result<()> {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_cert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn_str`
[INFO] [stdout]   --> src/drivers/pg.rs:31:47
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn run_migration(cert: Option<&Path>, conn_str: &str, filename: &Path) -> Result<()> {
[INFO] [stdout]    |                                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filename`
[INFO] [stdout]   --> src/drivers/pg.rs:31:63
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn run_migration(cert: Option<&Path>, conn_str: &str, filename: &Path) -> Result<()> {
[INFO] [stdout]    |                                                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cert`
[INFO] [stdout]   --> src/drivers/pg.rs:34:30
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn run_migration_str(cert: Option<&Path>, conn_str: &str, stmt: &str) -> Result<()> {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_cert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn_str`
[INFO] [stdout]   --> src/drivers/pg.rs:34:51
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn run_migration_str(cert: Option<&Path>, conn_str: &str, stmt: &str) -> Result<()> {
[INFO] [stdout]    |                                                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stmt`
[INFO] [stdout]   --> src/drivers/pg.rs:34:67
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn run_migration_str(cert: Option<&Path>, conn_str: &str, stmt: &str) -> Result<()> {
[INFO] [stdout]    |                                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_stmt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/drivers/sqlite.rs:12:35
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn create_file_if_missing(path: &Path) -> Result<bool> {
[INFO] [stdout]    |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db_path`
[INFO] [stdout]   --> src/drivers/sqlite.rs:15:35
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn migration_table_exists(db_path: &str) -> Result<bool> {
[INFO] [stdout]    |                                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_db_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db_path`
[INFO] [stdout]   --> src/drivers/sqlite.rs:18:28
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn migration_setup(db_path: &Path) -> Result<bool> {
[INFO] [stdout]    |                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_db_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db_path`
[INFO] [stdout]   --> src/drivers/sqlite.rs:21:30
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn select_migrations(db_path: &str) -> Result<Vec<String>> {
[INFO] [stdout]    |                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_db_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db_path`
[INFO] [stdout]   --> src/drivers/sqlite.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn insert_migration_tag(db_path: &str, tag: &str) -> Result<()> {
[INFO] [stdout]    |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_db_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tag`
[INFO] [stdout]   --> src/drivers/sqlite.rs:24:48
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn insert_migration_tag(db_path: &str, tag: &str) -> Result<()> {
[INFO] [stdout]    |                                                ^^^ help: if this is intentional, prefix it with an underscore: `_tag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db_path`
[INFO] [stdout]   --> src/drivers/sqlite.rs:27:33
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn remove_migration_tag(db_path: &str, tag: &str) -> Result<()> {
[INFO] [stdout]    |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_db_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tag`
[INFO] [stdout]   --> src/drivers/sqlite.rs:27:48
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn remove_migration_tag(db_path: &str, tag: &str) -> Result<()> {
[INFO] [stdout]    |                                                ^^^ help: if this is intentional, prefix it with an underscore: `_tag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db_path`
[INFO] [stdout]   --> src/drivers/sqlite.rs:30:26
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn run_migration(db_path: &Path, filename: &Path) -> Result<()> {
[INFO] [stdout]    |                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_db_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filename`
[INFO] [stdout]   --> src/drivers/sqlite.rs:30:42
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn run_migration(db_path: &Path, filename: &Path) -> Result<()> {
[INFO] [stdout]    |                                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db_path`
[INFO] [stdout]   --> src/drivers/sqlite.rs:33:30
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn run_migration_str(db_path: &Path, stmt: &str) -> Result<()> {
[INFO] [stdout]    |                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_db_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stmt`
[INFO] [stdout]   --> src/drivers/sqlite.rs:33:46
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn run_migration_str(db_path: &Path, stmt: &str) -> Result<()> {
[INFO] [stdout]    |                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_stmt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `CREATE_TABLE` is never used
[INFO] [stdout]  --> src/drivers/mod.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub static CREATE_TABLE: &str = "create table __migrant_migrations(tag text unique);";
[INFO] [stdout]   |                ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `MYSQL_CREATE_TABLE` is never used
[INFO] [stdout]  --> src/drivers/mod.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub static MYSQL_CREATE_TABLE: &str =
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `GET_MIGRATIONS` is never used
[INFO] [stdout]  --> src/drivers/mod.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub static GET_MIGRATIONS: &str = "select tag from __migrant_migrations;";
[INFO] [stdout]   |                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `SQLITE_MIGRATION_TABLE_EXISTS` is never used
[INFO] [stdout]   --> src/drivers/mod.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub static SQLITE_MIGRATION_TABLE_EXISTS: &str = "select exists(select 1 from sqlite_master where type = 'table' and name = '__migran...
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `PG_MIGRATION_TABLE_EXISTS` is never used
[INFO] [stdout]   --> src/drivers/mod.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub static PG_MIGRATION_TABLE_EXISTS: &str =
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `MYSQL_MIGRATION_TABLE_EXISTS` is never used
[INFO] [stdout]   --> src/drivers/mod.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub static MYSQL_MIGRATION_TABLE_EXISTS: &str = "select exists(select 1 from information_schema.tables where table_name='__migrant_mi...
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.55s
[INFO] running `Command { std: "docker" "inspect" "fe17dd9ff34902a0ff4f7b98f4c9f5bdf0f57d189282496216a19d242fbab328", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe17dd9ff34902a0ff4f7b98f4c9f5bdf0f57d189282496216a19d242fbab328", kill_on_drop: false }`
[INFO] [stdout] fe17dd9ff34902a0ff4f7b98f4c9f5bdf0f57d189282496216a19d242fbab328
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa50de4147c753a88e36d18d63f3c4ace6e24b08af104b93fd5fae6ad8b74a1c
[INFO] running `Command { std: "docker" "start" "-a" "fa50de4147c753a88e36d18d63f3c4ace6e24b08af104b93fd5fae6ad8b74a1c", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/drivers/mysql.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/drivers/pg.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/drivers/sqlite.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/drivers/sqlite.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `has_error_description_deprecated`
[INFO] [stdout]   --> src/errors.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | / error_chain! {
[INFO] [stdout] 21 | |     foreign_links {
[INFO] [stdout] 22 | |         Io(std::io::Error);
[INFO] [stdout] 23 | |         StringUtf8Error(std::string::FromUtf8Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 72 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `impl_error_chain_processed` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the macro `impl_error_chain_processed` may come from an old version of the `error_chain` crate, try updating your dependency with `cargo update -p error_chain`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/migratable.rs:19:69
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn apply_up(&self, _: DbKind, _: &Config) -> Result<(), Box<dyn (::std::error::Error)>> {
[INFO] [stdout]    |                                                                     ^                   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 19 -     fn apply_up(&self, _: DbKind, _: &Config) -> Result<(), Box<dyn (::std::error::Error)>> {
[INFO] [stdout] 19 +     fn apply_up(&self, _: DbKind, _: &Config) -> Result<(), Box<dyn ::std::error::Error>> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/migratable.rs:25:71
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn apply_down(&self, _: DbKind, _: &Config) -> Result<(), Box<dyn (::std::error::Error)>> {
[INFO] [stdout]    |                                                                       ^                   ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 25 -     fn apply_down(&self, _: DbKind, _: &Config) -> Result<(), Box<dyn (::std::error::Error)>> {
[INFO] [stdout] 25 +     fn apply_down(&self, _: DbKind, _: &Config) -> Result<(), Box<dyn ::std::error::Error>> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/migration.rs:406:42
[INFO] [stdout]     |
[INFO] [stdout] 406 |     ) -> std::result::Result<(), Box<dyn (::std::error::Error)>> {
[INFO] [stdout]     |                                          ^                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 406 -     ) -> std::result::Result<(), Box<dyn (::std::error::Error)>> {
[INFO] [stdout] 406 +     ) -> std::result::Result<(), Box<dyn ::std::error::Error>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/migration.rs:419:42
[INFO] [stdout]     |
[INFO] [stdout] 419 |     ) -> std::result::Result<(), Box<dyn (::std::error::Error)>> {
[INFO] [stdout]     |                                          ^                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 419 -     ) -> std::result::Result<(), Box<dyn (::std::error::Error)>> {
[INFO] [stdout] 419 +     ) -> std::result::Result<(), Box<dyn ::std::error::Error>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn_str`
[INFO] [stdout]   --> src/drivers/mysql.rs:14:24
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn can_connect(conn_str: &str) -> Result<bool> {
[INFO] [stdout]    |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_str`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn_str`
[INFO] [stdout]   --> src/drivers/mysql.rs:17:35
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn migration_table_exists(conn_str: &str) -> Result<bool> {
[INFO] [stdout]    |                                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn_str`
[INFO] [stdout]   --> src/drivers/mysql.rs:20:28
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn migration_setup(conn_str: &str) -> Result<bool> {
[INFO] [stdout]    |                            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn_str`
[INFO] [stdout]   --> src/drivers/mysql.rs:23:30
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn select_migrations(conn_str: &str) -> Result<Vec<String>> {
[INFO] [stdout]    |                              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn_str`
[INFO] [stdout]   --> src/drivers/mysql.rs:26:33
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn insert_migration_tag(conn_str: &str, tag: &str) -> Result<()> {
[INFO] [stdout]    |                                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tag`
[INFO] [stdout]   --> src/drivers/mysql.rs:26:49
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn insert_migration_tag(conn_str: &str, tag: &str) -> Result<()> {
[INFO] [stdout]    |                                                 ^^^ help: if this is intentional, prefix it with an underscore: `_tag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn_str`
[INFO] [stdout]   --> src/drivers/mysql.rs:29:33
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn remove_migration_tag(conn_str: &str, tag: &str) -> Result<()> {
[INFO] [stdout]    |                                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tag`
[INFO] [stdout]   --> src/drivers/mysql.rs:29:49
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn remove_migration_tag(conn_str: &str, tag: &str) -> Result<()> {
[INFO] [stdout]    |                                                 ^^^ help: if this is intentional, prefix it with an underscore: `_tag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn_str`
[INFO] [stdout]   --> src/drivers/mysql.rs:32:26
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn run_migration(conn_str: &str, filename: &Path) -> Result<()> {
[INFO] [stdout]    |                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filename`
[INFO] [stdout]   --> src/drivers/mysql.rs:32:42
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn run_migration(conn_str: &str, filename: &Path) -> Result<()> {
[INFO] [stdout]    |                                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn_str`
[INFO] [stdout]   --> src/drivers/mysql.rs:35:30
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn run_migration_str(conn_str: &str, stmt: &str) -> Result<()> {
[INFO] [stdout]    |                              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stmt`
[INFO] [stdout]   --> src/drivers/mysql.rs:35:46
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn run_migration_str(conn_str: &str, stmt: &str) -> Result<()> {
[INFO] [stdout]    |                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_stmt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cert`
[INFO] [stdout]   --> src/drivers/pg.rs:13:24
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn can_connect(cert: Option<&Path>, conn_str: &str) -> Result<bool> {
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_cert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn_str`
[INFO] [stdout]   --> src/drivers/pg.rs:13:45
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn can_connect(cert: Option<&Path>, conn_str: &str) -> Result<bool> {
[INFO] [stdout]    |                                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cert`
[INFO] [stdout]   --> src/drivers/pg.rs:16:35
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn migration_table_exists(cert: Option<&Path>, conn_str: &str) -> Result<bool> {
[INFO] [stdout]    |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_cert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn_str`
[INFO] [stdout]   --> src/drivers/pg.rs:16:56
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn migration_table_exists(cert: Option<&Path>, conn_str: &str) -> Result<bool> {
[INFO] [stdout]    |                                                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cert`
[INFO] [stdout]   --> src/drivers/pg.rs:19:28
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn migration_setup(cert: Option<&Path>, conn_str: &str) -> Result<bool> {
[INFO] [stdout]    |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_cert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn_str`
[INFO] [stdout]   --> src/drivers/pg.rs:19:49
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn migration_setup(cert: Option<&Path>, conn_str: &str) -> Result<bool> {
[INFO] [stdout]    |                                                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cert`
[INFO] [stdout]   --> src/drivers/pg.rs:22:30
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn select_migrations(cert: Option<&Path>, conn_str: &str) -> Result<Vec<String>> {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_cert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn_str`
[INFO] [stdout]   --> src/drivers/pg.rs:22:51
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn select_migrations(cert: Option<&Path>, conn_str: &str) -> Result<Vec<String>> {
[INFO] [stdout]    |                                                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cert`
[INFO] [stdout]   --> src/drivers/pg.rs:25:33
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn insert_migration_tag(cert: Option<&Path>, conn_str: &str, tag: &str) -> Result<()> {
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_cert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn_str`
[INFO] [stdout]   --> src/drivers/pg.rs:25:54
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn insert_migration_tag(cert: Option<&Path>, conn_str: &str, tag: &str) -> Result<()> {
[INFO] [stdout]    |                                                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tag`
[INFO] [stdout]   --> src/drivers/pg.rs:25:70
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn insert_migration_tag(cert: Option<&Path>, conn_str: &str, tag: &str) -> Result<()> {
[INFO] [stdout]    |                                                                      ^^^ help: if this is intentional, prefix it with an underscore: `_tag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cert`
[INFO] [stdout]   --> src/drivers/pg.rs:28:33
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn remove_migration_tag(cert: Option<&Path>, conn_str: &str, tag: &str) -> Result<()> {
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_cert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn_str`
[INFO] [stdout]   --> src/drivers/pg.rs:28:54
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn remove_migration_tag(cert: Option<&Path>, conn_str: &str, tag: &str) -> Result<()> {
[INFO] [stdout]    |                                                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tag`
[INFO] [stdout]   --> src/drivers/pg.rs:28:70
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn remove_migration_tag(cert: Option<&Path>, conn_str: &str, tag: &str) -> Result<()> {
[INFO] [stdout]    |                                                                      ^^^ help: if this is intentional, prefix it with an underscore: `_tag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cert`
[INFO] [stdout]   --> src/drivers/pg.rs:31:26
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn run_migration(cert: Option<&Path>, conn_str: &str, filename: &Path) -> Result<()> {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_cert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn_str`
[INFO] [stdout]   --> src/drivers/pg.rs:31:47
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn run_migration(cert: Option<&Path>, conn_str: &str, filename: &Path) -> Result<()> {
[INFO] [stdout]    |                                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filename`
[INFO] [stdout]   --> src/drivers/pg.rs:31:63
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn run_migration(cert: Option<&Path>, conn_str: &str, filename: &Path) -> Result<()> {
[INFO] [stdout]    |                                                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cert`
[INFO] [stdout]   --> src/drivers/pg.rs:34:30
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn run_migration_str(cert: Option<&Path>, conn_str: &str, stmt: &str) -> Result<()> {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_cert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn_str`
[INFO] [stdout]   --> src/drivers/pg.rs:34:51
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn run_migration_str(cert: Option<&Path>, conn_str: &str, stmt: &str) -> Result<()> {
[INFO] [stdout]    |                                                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stmt`
[INFO] [stdout]   --> src/drivers/pg.rs:34:67
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn run_migration_str(cert: Option<&Path>, conn_str: &str, stmt: &str) -> Result<()> {
[INFO] [stdout]    |                                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_stmt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/drivers/sqlite.rs:12:35
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn create_file_if_missing(path: &Path) -> Result<bool> {
[INFO] [stdout]    |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db_path`
[INFO] [stdout]   --> src/drivers/sqlite.rs:15:35
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn migration_table_exists(db_path: &str) -> Result<bool> {
[INFO] [stdout]    |                                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_db_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db_path`
[INFO] [stdout]   --> src/drivers/sqlite.rs:18:28
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn migration_setup(db_path: &Path) -> Result<bool> {
[INFO] [stdout]    |                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_db_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db_path`
[INFO] [stdout]   --> src/drivers/sqlite.rs:21:30
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn select_migrations(db_path: &str) -> Result<Vec<String>> {
[INFO] [stdout]    |                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_db_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db_path`
[INFO] [stdout]   --> src/drivers/sqlite.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn insert_migration_tag(db_path: &str, tag: &str) -> Result<()> {
[INFO] [stdout]    |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_db_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tag`
[INFO] [stdout]   --> src/drivers/sqlite.rs:24:48
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn insert_migration_tag(db_path: &str, tag: &str) -> Result<()> {
[INFO] [stdout]    |                                                ^^^ help: if this is intentional, prefix it with an underscore: `_tag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db_path`
[INFO] [stdout]   --> src/drivers/sqlite.rs:27:33
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn remove_migration_tag(db_path: &str, tag: &str) -> Result<()> {
[INFO] [stdout]    |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_db_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tag`
[INFO] [stdout]   --> src/drivers/sqlite.rs:27:48
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn remove_migration_tag(db_path: &str, tag: &str) -> Result<()> {
[INFO] [stdout]    |                                                ^^^ help: if this is intentional, prefix it with an underscore: `_tag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db_path`
[INFO] [stdout]   --> src/drivers/sqlite.rs:30:26
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn run_migration(db_path: &Path, filename: &Path) -> Result<()> {
[INFO] [stdout]    |                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_db_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filename`
[INFO] [stdout]   --> src/drivers/sqlite.rs:30:42
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn run_migration(db_path: &Path, filename: &Path) -> Result<()> {
[INFO] [stdout]    |                                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db_path`
[INFO] [stdout]   --> src/drivers/sqlite.rs:33:30
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn run_migration_str(db_path: &Path, stmt: &str) -> Result<()> {
[INFO] [stdout]    |                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_db_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stmt`
[INFO] [stdout]   --> src/drivers/sqlite.rs:33:46
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn run_migration_str(db_path: &Path, stmt: &str) -> Result<()> {
[INFO] [stdout]    |                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_stmt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `CREATE_TABLE` is never used
[INFO] [stdout]  --> src/drivers/mod.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub static CREATE_TABLE: &str = "create table __migrant_migrations(tag text unique);";
[INFO] [stdout]   |                ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `MYSQL_CREATE_TABLE` is never used
[INFO] [stdout]  --> src/drivers/mod.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub static MYSQL_CREATE_TABLE: &str =
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `GET_MIGRATIONS` is never used
[INFO] [stdout]  --> src/drivers/mod.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub static GET_MIGRATIONS: &str = "select tag from __migrant_migrations;";
[INFO] [stdout]   |                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `SQLITE_MIGRATION_TABLE_EXISTS` is never used
[INFO] [stdout]   --> src/drivers/mod.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub static SQLITE_MIGRATION_TABLE_EXISTS: &str = "select exists(select 1 from sqlite_master where type = 'table' and name = '__migran...
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `PG_MIGRATION_TABLE_EXISTS` is never used
[INFO] [stdout]   --> src/drivers/mod.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub static PG_MIGRATION_TABLE_EXISTS: &str =
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `MYSQL_MIGRATION_TABLE_EXISTS` is never used
[INFO] [stdout]   --> src/drivers/mod.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub static MYSQL_MIGRATION_TABLE_EXISTS: &str = "select exists(select 1 from information_schema.tables where table_name='__migrant_mi...
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling migrant_lib v0.34.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/drivers/mysql.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/drivers/pg.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/drivers/sqlite.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/drivers/sqlite.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `has_error_description_deprecated`
[INFO] [stdout]   --> src/errors.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | / error_chain! {
[INFO] [stdout] 21 | |     foreign_links {
[INFO] [stdout] 22 | |         Io(std::io::Error);
[INFO] [stdout] 23 | |         StringUtf8Error(std::string::FromUtf8Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 72 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `impl_error_chain_processed` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the macro `impl_error_chain_processed` may come from an old version of the `error_chain` crate, try updating your dependency with `cargo update -p error_chain`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/migratable.rs:19:69
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn apply_up(&self, _: DbKind, _: &Config) -> Result<(), Box<dyn (::std::error::Error)>> {
[INFO] [stdout]    |                                                                     ^                   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 19 -     fn apply_up(&self, _: DbKind, _: &Config) -> Result<(), Box<dyn (::std::error::Error)>> {
[INFO] [stdout] 19 +     fn apply_up(&self, _: DbKind, _: &Config) -> Result<(), Box<dyn ::std::error::Error>> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/migratable.rs:25:71
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn apply_down(&self, _: DbKind, _: &Config) -> Result<(), Box<dyn (::std::error::Error)>> {
[INFO] [stdout]    |                                                                       ^                   ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 25 -     fn apply_down(&self, _: DbKind, _: &Config) -> Result<(), Box<dyn (::std::error::Error)>> {
[INFO] [stdout] 25 +     fn apply_down(&self, _: DbKind, _: &Config) -> Result<(), Box<dyn ::std::error::Error>> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/migration.rs:406:42
[INFO] [stdout]     |
[INFO] [stdout] 406 |     ) -> std::result::Result<(), Box<dyn (::std::error::Error)>> {
[INFO] [stdout]     |                                          ^                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 406 -     ) -> std::result::Result<(), Box<dyn (::std::error::Error)>> {
[INFO] [stdout] 406 +     ) -> std::result::Result<(), Box<dyn ::std::error::Error>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/migration.rs:419:42
[INFO] [stdout]     |
[INFO] [stdout] 419 |     ) -> std::result::Result<(), Box<dyn (::std::error::Error)>> {
[INFO] [stdout]     |                                          ^                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 419 -     ) -> std::result::Result<(), Box<dyn (::std::error::Error)>> {
[INFO] [stdout] 419 +     ) -> std::result::Result<(), Box<dyn ::std::error::Error>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn_str`
[INFO] [stdout]   --> src/drivers/mysql.rs:14:24
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn can_connect(conn_str: &str) -> Result<bool> {
[INFO] [stdout]    |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_str`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn_str`
[INFO] [stdout]   --> src/drivers/mysql.rs:17:35
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn migration_table_exists(conn_str: &str) -> Result<bool> {
[INFO] [stdout]    |                                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn_str`
[INFO] [stdout]   --> src/drivers/mysql.rs:20:28
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn migration_setup(conn_str: &str) -> Result<bool> {
[INFO] [stdout]    |                            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn_str`
[INFO] [stdout]   --> src/drivers/mysql.rs:23:30
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn select_migrations(conn_str: &str) -> Result<Vec<String>> {
[INFO] [stdout]    |                              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn_str`
[INFO] [stdout]   --> src/drivers/mysql.rs:26:33
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn insert_migration_tag(conn_str: &str, tag: &str) -> Result<()> {
[INFO] [stdout]    |                                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tag`
[INFO] [stdout]   --> src/drivers/mysql.rs:26:49
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn insert_migration_tag(conn_str: &str, tag: &str) -> Result<()> {
[INFO] [stdout]    |                                                 ^^^ help: if this is intentional, prefix it with an underscore: `_tag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn_str`
[INFO] [stdout]   --> src/drivers/mysql.rs:29:33
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn remove_migration_tag(conn_str: &str, tag: &str) -> Result<()> {
[INFO] [stdout]    |                                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tag`
[INFO] [stdout]   --> src/drivers/mysql.rs:29:49
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn remove_migration_tag(conn_str: &str, tag: &str) -> Result<()> {
[INFO] [stdout]    |                                                 ^^^ help: if this is intentional, prefix it with an underscore: `_tag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn_str`
[INFO] [stdout]   --> src/drivers/mysql.rs:32:26
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn run_migration(conn_str: &str, filename: &Path) -> Result<()> {
[INFO] [stdout]    |                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filename`
[INFO] [stdout]   --> src/drivers/mysql.rs:32:42
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn run_migration(conn_str: &str, filename: &Path) -> Result<()> {
[INFO] [stdout]    |                                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn_str`
[INFO] [stdout]   --> src/drivers/mysql.rs:35:30
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn run_migration_str(conn_str: &str, stmt: &str) -> Result<()> {
[INFO] [stdout]    |                              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stmt`
[INFO] [stdout]   --> src/drivers/mysql.rs:35:46
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn run_migration_str(conn_str: &str, stmt: &str) -> Result<()> {
[INFO] [stdout]    |                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_stmt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cert`
[INFO] [stdout]   --> src/drivers/pg.rs:13:24
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn can_connect(cert: Option<&Path>, conn_str: &str) -> Result<bool> {
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_cert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn_str`
[INFO] [stdout]   --> src/drivers/pg.rs:13:45
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn can_connect(cert: Option<&Path>, conn_str: &str) -> Result<bool> {
[INFO] [stdout]    |                                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cert`
[INFO] [stdout]   --> src/drivers/pg.rs:16:35
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn migration_table_exists(cert: Option<&Path>, conn_str: &str) -> Result<bool> {
[INFO] [stdout]    |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_cert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn_str`
[INFO] [stdout]   --> src/drivers/pg.rs:16:56
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn migration_table_exists(cert: Option<&Path>, conn_str: &str) -> Result<bool> {
[INFO] [stdout]    |                                                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cert`
[INFO] [stdout]   --> src/drivers/pg.rs:19:28
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn migration_setup(cert: Option<&Path>, conn_str: &str) -> Result<bool> {
[INFO] [stdout]    |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_cert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn_str`
[INFO] [stdout]   --> src/drivers/pg.rs:19:49
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn migration_setup(cert: Option<&Path>, conn_str: &str) -> Result<bool> {
[INFO] [stdout]    |                                                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cert`
[INFO] [stdout]   --> src/drivers/pg.rs:22:30
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn select_migrations(cert: Option<&Path>, conn_str: &str) -> Result<Vec<String>> {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_cert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn_str`
[INFO] [stdout]   --> src/drivers/pg.rs:22:51
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn select_migrations(cert: Option<&Path>, conn_str: &str) -> Result<Vec<String>> {
[INFO] [stdout]    |                                                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cert`
[INFO] [stdout]   --> src/drivers/pg.rs:25:33
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn insert_migration_tag(cert: Option<&Path>, conn_str: &str, tag: &str) -> Result<()> {
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_cert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn_str`
[INFO] [stdout]   --> src/drivers/pg.rs:25:54
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn insert_migration_tag(cert: Option<&Path>, conn_str: &str, tag: &str) -> Result<()> {
[INFO] [stdout]    |                                                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tag`
[INFO] [stdout]   --> src/drivers/pg.rs:25:70
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn insert_migration_tag(cert: Option<&Path>, conn_str: &str, tag: &str) -> Result<()> {
[INFO] [stdout]    |                                                                      ^^^ help: if this is intentional, prefix it with an underscore: `_tag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cert`
[INFO] [stdout]   --> src/drivers/pg.rs:28:33
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn remove_migration_tag(cert: Option<&Path>, conn_str: &str, tag: &str) -> Result<()> {
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_cert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn_str`
[INFO] [stdout]   --> src/drivers/pg.rs:28:54
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn remove_migration_tag(cert: Option<&Path>, conn_str: &str, tag: &str) -> Result<()> {
[INFO] [stdout]    |                                                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tag`
[INFO] [stdout]   --> src/drivers/pg.rs:28:70
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn remove_migration_tag(cert: Option<&Path>, conn_str: &str, tag: &str) -> Result<()> {
[INFO] [stdout]    |                                                                      ^^^ help: if this is intentional, prefix it with an underscore: `_tag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cert`
[INFO] [stdout]   --> src/drivers/pg.rs:31:26
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn run_migration(cert: Option<&Path>, conn_str: &str, filename: &Path) -> Result<()> {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_cert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn_str`
[INFO] [stdout]   --> src/drivers/pg.rs:31:47
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn run_migration(cert: Option<&Path>, conn_str: &str, filename: &Path) -> Result<()> {
[INFO] [stdout]    |                                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filename`
[INFO] [stdout]   --> src/drivers/pg.rs:31:63
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn run_migration(cert: Option<&Path>, conn_str: &str, filename: &Path) -> Result<()> {
[INFO] [stdout]    |                                                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cert`
[INFO] [stdout]   --> src/drivers/pg.rs:34:30
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn run_migration_str(cert: Option<&Path>, conn_str: &str, stmt: &str) -> Result<()> {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_cert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn_str`
[INFO] [stdout]   --> src/drivers/pg.rs:34:51
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn run_migration_str(cert: Option<&Path>, conn_str: &str, stmt: &str) -> Result<()> {
[INFO] [stdout]    |                                                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stmt`
[INFO] [stdout]   --> src/drivers/pg.rs:34:67
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn run_migration_str(cert: Option<&Path>, conn_str: &str, stmt: &str) -> Result<()> {
[INFO] [stdout]    |                                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_stmt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/drivers/sqlite.rs:12:35
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn create_file_if_missing(path: &Path) -> Result<bool> {
[INFO] [stdout]    |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db_path`
[INFO] [stdout]   --> src/drivers/sqlite.rs:15:35
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn migration_table_exists(db_path: &str) -> Result<bool> {
[INFO] [stdout]    |                                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_db_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db_path`
[INFO] [stdout]   --> src/drivers/sqlite.rs:18:28
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn migration_setup(db_path: &Path) -> Result<bool> {
[INFO] [stdout]    |                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_db_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db_path`
[INFO] [stdout]   --> src/drivers/sqlite.rs:21:30
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn select_migrations(db_path: &str) -> Result<Vec<String>> {
[INFO] [stdout]    |                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_db_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db_path`
[INFO] [stdout]   --> src/drivers/sqlite.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn insert_migration_tag(db_path: &str, tag: &str) -> Result<()> {
[INFO] [stdout]    |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_db_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tag`
[INFO] [stdout]   --> src/drivers/sqlite.rs:24:48
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn insert_migration_tag(db_path: &str, tag: &str) -> Result<()> {
[INFO] [stdout]    |                                                ^^^ help: if this is intentional, prefix it with an underscore: `_tag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db_path`
[INFO] [stdout]   --> src/drivers/sqlite.rs:27:33
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn remove_migration_tag(db_path: &str, tag: &str) -> Result<()> {
[INFO] [stdout]    |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_db_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tag`
[INFO] [stdout]   --> src/drivers/sqlite.rs:27:48
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn remove_migration_tag(db_path: &str, tag: &str) -> Result<()> {
[INFO] [stdout]    |                                                ^^^ help: if this is intentional, prefix it with an underscore: `_tag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db_path`
[INFO] [stdout]   --> src/drivers/sqlite.rs:30:26
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn run_migration(db_path: &Path, filename: &Path) -> Result<()> {
[INFO] [stdout]    |                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_db_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filename`
[INFO] [stdout]   --> src/drivers/sqlite.rs:30:42
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn run_migration(db_path: &Path, filename: &Path) -> Result<()> {
[INFO] [stdout]    |                                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db_path`
[INFO] [stdout]   --> src/drivers/sqlite.rs:33:30
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn run_migration_str(db_path: &Path, stmt: &str) -> Result<()> {
[INFO] [stdout]    |                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_db_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stmt`
[INFO] [stdout]   --> src/drivers/sqlite.rs:33:46
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn run_migration_str(db_path: &Path, stmt: &str) -> Result<()> {
[INFO] [stdout]    |                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_stmt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `CREATE_TABLE` is never used
[INFO] [stdout]  --> src/drivers/mod.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub static CREATE_TABLE: &str = "create table __migrant_migrations(tag text unique);";
[INFO] [stdout]   |                ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `MYSQL_CREATE_TABLE` is never used
[INFO] [stdout]  --> src/drivers/mod.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub static MYSQL_CREATE_TABLE: &str =
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `GET_MIGRATIONS` is never used
[INFO] [stdout]  --> src/drivers/mod.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub static GET_MIGRATIONS: &str = "select tag from __migrant_migrations;";
[INFO] [stdout]   |                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `SQLITE_MIGRATION_TABLE_EXISTS` is never used
[INFO] [stdout]   --> src/drivers/mod.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub static SQLITE_MIGRATION_TABLE_EXISTS: &str = "select exists(select 1 from sqlite_master where type = 'table' and name = '__migran...
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `PG_MIGRATION_TABLE_EXISTS` is never used
[INFO] [stdout]   --> src/drivers/mod.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub static PG_MIGRATION_TABLE_EXISTS: &str =
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `MYSQL_MIGRATION_TABLE_EXISTS` is never used
[INFO] [stdout]   --> src/drivers/mod.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub static MYSQL_MIGRATION_TABLE_EXISTS: &str = "select exists(select 1 from information_schema.tables where table_name='__migrant_mi...
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.35s
[INFO] running `Command { std: "docker" "inspect" "fa50de4147c753a88e36d18d63f3c4ace6e24b08af104b93fd5fae6ad8b74a1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa50de4147c753a88e36d18d63f3c4ace6e24b08af104b93fd5fae6ad8b74a1c", kill_on_drop: false }`
[INFO] [stdout] fa50de4147c753a88e36d18d63f3c4ace6e24b08af104b93fd5fae6ad8b74a1c
