[INFO] fetching crate migrant_lib 0.32.0...
[INFO] checking migrant_lib-0.32.0 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate migrant_lib 0.32.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate migrant_lib 0.32.0 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate migrant_lib 0.32.0
[INFO] finished tweaking crates.io crate migrant_lib 0.32.0
[INFO] tweaked toml for crates.io crate migrant_lib 0.32.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate migrant_lib 0.32.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2674cc06b0c50372e8823bf2fae9f8bb4088586ad11126cef960232840a7962d
[INFO] running `Command { std: "docker" "start" "-a" "2674cc06b0c50372e8823bf2fae9f8bb4088586ad11126cef960232840a7962d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2674cc06b0c50372e8823bf2fae9f8bb4088586ad11126cef960232840a7962d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2674cc06b0c50372e8823bf2fae9f8bb4088586ad11126cef960232840a7962d", kill_on_drop: false }`
[INFO] [stdout] 2674cc06b0c50372e8823bf2fae9f8bb4088586ad11126cef960232840a7962d
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12f652895a22d0d6687e990d83a4210802e00be85137a90e4a9a5b739ab09373
[INFO] running `Command { std: "docker" "start" "-a" "12f652895a22d0d6687e990d83a4210802e00be85137a90e4a9a5b739ab09373", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking idna v0.2.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking migrant_lib v0.32.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/drivers/pg.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | / macro_rules! make_connector {
[INFO] [stdout] 59 | |     ($file:expr) => {{
[INFO] [stdout] 60 | |         let cert = std::fs::read($file)
[INFO] [stdout] 61 | |             .map_err(|e| format_err!(ErrorKind::Migration, "postgres cert file error {}", e))?;
[INFO] [stdout] ...  |
[INFO] [stdout] 71 | |     }};
[INFO] [stdout] 72 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/drivers/pg.rs:97:1
[INFO] [stdout]     |
[INFO] [stdout] 97  | / macro_rules! make_connection {
[INFO] [stdout] 98  | |     ($cert:expr, $conn_str:expr) => {{
[INFO] [stdout] 99  | |         match $cert {
[INFO] [stdout] 100 | |             None => Client::connect($conn_str, NoTls),
[INFO] [stdout] ...   |
[INFO] [stdout] 103 | |     }};
[INFO] [stdout] 104 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/drivers/pg.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | / macro_rules! make_connector {
[INFO] [stdout] 59 | |     ($file:expr) => {{
[INFO] [stdout] 60 | |         let cert = std::fs::read($file)
[INFO] [stdout] 61 | |             .map_err(|e| format_err!(ErrorKind::Migration, "postgres cert file error {}", e))?;
[INFO] [stdout] ...  |
[INFO] [stdout] 71 | |     }};
[INFO] [stdout] 72 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/drivers/pg.rs:97:1
[INFO] [stdout]     |
[INFO] [stdout] 97  | / macro_rules! make_connection {
[INFO] [stdout] 98  | |     ($cert:expr, $conn_str:expr) => {{
[INFO] [stdout] 99  | |         match $cert {
[INFO] [stdout] 100 | |             None => Client::connect($conn_str, NoTls),
[INFO] [stdout] ...   |
[INFO] [stdout] 103 | |     }};
[INFO] [stdout] 104 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cert`
[INFO] [stdout]    --> src/drivers/pg.rs:122:24
[INFO] [stdout]     |
[INFO] [stdout] 122 | 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]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cert`
[INFO] [stdout]    --> src/drivers/pg.rs:146:26
[INFO] [stdout]     |
[INFO] [stdout] 146 | 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: `cert`
[INFO] [stdout]    --> src/drivers/pg.rs:162:29
[INFO] [stdout]     |
[INFO] [stdout] 162 | 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: `cert`
[INFO] [stdout]    --> src/drivers/pg.rs:181:29
[INFO] [stdout]     |
[INFO] [stdout] 181 | 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: `cert`
[INFO] [stdout]    --> src/drivers/pg.rs:197:22
[INFO] [stdout]     |
[INFO] [stdout] 197 | 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: `cert`
[INFO] [stdout]    --> src/drivers/pg.rs:240:5
[INFO] [stdout]     |
[INFO] [stdout] 240 |     cert: Option<&Path>,
[INFO] [stdout]     |     ^^^^ help: if this is intentional, prefix it with an underscore: `_cert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cert`
[INFO] [stdout]    --> src/drivers/pg.rs:122:24
[INFO] [stdout]     |
[INFO] [stdout] 122 | 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]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cert`
[INFO] [stdout]    --> src/drivers/pg.rs:146:26
[INFO] [stdout]     |
[INFO] [stdout] 146 | 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: `cert`
[INFO] [stdout]    --> src/drivers/pg.rs:162:29
[INFO] [stdout]     |
[INFO] [stdout] 162 | 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: `cert`
[INFO] [stdout]    --> src/drivers/pg.rs:181:29
[INFO] [stdout]     |
[INFO] [stdout] 181 | 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: `cert`
[INFO] [stdout]    --> src/drivers/pg.rs:197:22
[INFO] [stdout]     |
[INFO] [stdout] 197 | 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: `cert`
[INFO] [stdout]    --> src/drivers/pg.rs:240:5
[INFO] [stdout]     |
[INFO] [stdout] 240 |     cert: Option<&Path>,
[INFO] [stdout]     |     ^^^^ help: if this is intentional, prefix it with an underscore: `_cert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/drivers/mysql.rs:319:28
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     panic!(e)
[INFO] [stdout]     |                            ^
[INFO] [stdout] ...
[INFO] [stdout] 332 |         let is_setup = _try!(migration_table_exists(&conn_str));
[INFO] [stdout]     |                        ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this warning originates in the macro `_try` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     panic!("{}", e)
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     std::panic::panic_any(e)
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/drivers/mysql.rs:319:28
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     panic!(e)
[INFO] [stdout]     |                            ^
[INFO] [stdout] ...
[INFO] [stdout] 336 |         let was_setup = _try!(migration_setup(&conn_str));
[INFO] [stdout]     |                         --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this warning originates in the macro `_try` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     panic!("{}", e)
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     std::panic::panic_any(e)
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/drivers/mysql.rs:319:28
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     panic!(e)
[INFO] [stdout]     |                            ^
[INFO] [stdout] ...
[INFO] [stdout] 341 |         let was_setup = _try!(migration_setup(&conn_str));
[INFO] [stdout]     |                         --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this warning originates in the macro `_try` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     panic!("{}", e)
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     std::panic::panic_any(e)
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/drivers/mysql.rs:319:28
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     panic!(e)
[INFO] [stdout]     |                            ^
[INFO] [stdout] ...
[INFO] [stdout] 345 |         let is_setup = _try!(migration_table_exists(&conn_str));
[INFO] [stdout]     |                        ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this warning originates in the macro `_try` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     panic!("{}", e)
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     std::panic::panic_any(e)
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/drivers/mysql.rs:319:28
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     panic!(e)
[INFO] [stdout]     |                            ^
[INFO] [stdout] ...
[INFO] [stdout] 349 |         _try!(insert_migration_tag(&conn_str, "initial"));
[INFO] [stdout]     |         -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this warning originates in the macro `_try` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     panic!("{}", e)
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     std::panic::panic_any(e)
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/drivers/mysql.rs:319:28
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     panic!(e)
[INFO] [stdout]     |                            ^
[INFO] [stdout] ...
[INFO] [stdout] 350 |         _try!(insert_migration_tag(&conn_str, "alter1"));
[INFO] [stdout]     |         ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this warning originates in the macro `_try` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     panic!("{}", e)
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     std::panic::panic_any(e)
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/drivers/mysql.rs:319:28
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     panic!(e)
[INFO] [stdout]     |                            ^
[INFO] [stdout] ...
[INFO] [stdout] 351 |         _try!(insert_migration_tag(&conn_str, "alter2"));
[INFO] [stdout]     |         ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this warning originates in the macro `_try` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     panic!("{}", e)
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     std::panic::panic_any(e)
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/drivers/mysql.rs:319:28
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     panic!(e)
[INFO] [stdout]     |                            ^
[INFO] [stdout] ...
[INFO] [stdout] 354 |         let migs = _try!(select_migrations(&conn_str));
[INFO] [stdout]     |                    ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this warning originates in the macro `_try` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     panic!("{}", e)
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     std::panic::panic_any(e)
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/drivers/mysql.rs:319:28
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     panic!(e)
[INFO] [stdout]     |                            ^
[INFO] [stdout] ...
[INFO] [stdout] 358 |         _try!(remove_migration_tag(&conn_str, "alter2"));
[INFO] [stdout]     |         ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this warning originates in the macro `_try` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     panic!("{}", e)
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     std::panic::panic_any(e)
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/drivers/mysql.rs:319:28
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     panic!(e)
[INFO] [stdout]     |                            ^
[INFO] [stdout] ...
[INFO] [stdout] 359 |         let migs = _try!(select_migrations(&conn_str));
[INFO] [stdout]     |                    ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this warning originates in the macro `_try` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     panic!("{}", e)
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     std::panic::panic_any(e)
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/drivers/mysql.rs:319:28
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     panic!(e)
[INFO] [stdout]     |                            ^
[INFO] [stdout] ...
[INFO] [stdout] 362 |         _try!(remove_migration_tag(&conn_str, "alter1"));
[INFO] [stdout]     |         ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this warning originates in the macro `_try` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     panic!("{}", e)
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     std::panic::panic_any(e)
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/drivers/mysql.rs:319:28
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     panic!(e)
[INFO] [stdout]     |                            ^
[INFO] [stdout] ...
[INFO] [stdout] 363 |         _try!(remove_migration_tag(&conn_str, "initial"));
[INFO] [stdout]     |         -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this warning originates in the macro `_try` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     panic!("{}", e)
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     std::panic::panic_any(e)
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/drivers/mysql.rs:319:28
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     panic!(e)
[INFO] [stdout]     |                            ^
[INFO] [stdout] ...
[INFO] [stdout] 364 |         let migs = _try!(select_migrations(&conn_str));
[INFO] [stdout]     |                    ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this warning originates in the macro `_try` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     panic!("{}", e)
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     std::panic::panic_any(e)
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/drivers/pg.rs:266:28
[INFO] [stdout]     |
[INFO] [stdout] 266 |                     panic!(e)
[INFO] [stdout]     |                            ^
[INFO] [stdout] ...
[INFO] [stdout] 279 |         let is_setup = _try!(migration_table_exists(None, &conn_str));
[INFO] [stdout]     |                        ---------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this warning originates in the macro `_try` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 266 |                     panic!("{}", e)
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 266 |                     std::panic::panic_any(e)
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/drivers/pg.rs:266:28
[INFO] [stdout]     |
[INFO] [stdout] 266 |                     panic!(e)
[INFO] [stdout]     |                            ^
[INFO] [stdout] ...
[INFO] [stdout] 283 |         let was_setup = _try!(migration_setup(None, &conn_str));
[INFO] [stdout]     |                         --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this warning originates in the macro `_try` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 266 |                     panic!("{}", e)
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 266 |                     std::panic::panic_any(e)
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/drivers/pg.rs:266:28
[INFO] [stdout]     |
[INFO] [stdout] 266 |                     panic!(e)
[INFO] [stdout]     |                            ^
[INFO] [stdout] ...
[INFO] [stdout] 288 |         let was_setup = _try!(migration_setup(None, &conn_str));
[INFO] [stdout]     |                         --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this warning originates in the macro `_try` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 266 |                     panic!("{}", e)
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 266 |                     std::panic::panic_any(e)
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/drivers/pg.rs:266:28
[INFO] [stdout]     |
[INFO] [stdout] 266 |                     panic!(e)
[INFO] [stdout]     |                            ^
[INFO] [stdout] ...
[INFO] [stdout] 292 |         let is_setup = _try!(migration_table_exists(None, &conn_str));
[INFO] [stdout]     |                        ---------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this warning originates in the macro `_try` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 266 |                     panic!("{}", e)
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 266 |                     std::panic::panic_any(e)
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/drivers/pg.rs:266:28
[INFO] [stdout]     |
[INFO] [stdout] 266 |                     panic!(e)
[INFO] [stdout]     |                            ^
[INFO] [stdout] ...
[INFO] [stdout] 296 |         _try!(insert_migration_tag(None, &conn_str, "initial"));
[INFO] [stdout]     |         -------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this warning originates in the macro `_try` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 266 |                     panic!("{}", e)
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 266 |                     std::panic::panic_any(e)
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/drivers/pg.rs:266:28
[INFO] [stdout]     |
[INFO] [stdout] 266 |                     panic!(e)
[INFO] [stdout]     |                            ^
[INFO] [stdout] ...
[INFO] [stdout] 297 |         _try!(insert_migration_tag(None, &conn_str, "alter1"));
[INFO] [stdout]     |         ------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this warning originates in the macro `_try` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 266 |                     panic!("{}", e)
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 266 |                     std::panic::panic_any(e)
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/drivers/pg.rs:266:28
[INFO] [stdout]     |
[INFO] [stdout] 266 |                     panic!(e)
[INFO] [stdout]     |                            ^
[INFO] [stdout] ...
[INFO] [stdout] 298 |         _try!(insert_migration_tag(None, &conn_str, "alter2"));
[INFO] [stdout]     |         ------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this warning originates in the macro `_try` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 266 |                     panic!("{}", e)
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 266 |                     std::panic::panic_any(e)
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/drivers/pg.rs:266:28
[INFO] [stdout]     |
[INFO] [stdout] 266 |                     panic!(e)
[INFO] [stdout]     |                            ^
[INFO] [stdout] ...
[INFO] [stdout] 301 |         let migs = _try!(select_migrations(None, &conn_str));
[INFO] [stdout]     |                    ----------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this warning originates in the macro `_try` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 266 |                     panic!("{}", e)
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 266 |                     std::panic::panic_any(e)
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/drivers/pg.rs:266:28
[INFO] [stdout]     |
[INFO] [stdout] 266 |                     panic!(e)
[INFO] [stdout]     |                            ^
[INFO] [stdout] ...
[INFO] [stdout] 305 |         _try!(remove_migration_tag(None, &conn_str, "alter2"));
[INFO] [stdout]     |         ------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this warning originates in the macro `_try` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 266 |                     panic!("{}", e)
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 266 |                     std::panic::panic_any(e)
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/drivers/pg.rs:266:28
[INFO] [stdout]     |
[INFO] [stdout] 266 |                     panic!(e)
[INFO] [stdout]     |                            ^
[INFO] [stdout] ...
[INFO] [stdout] 306 |         let migs = _try!(select_migrations(None, &conn_str));
[INFO] [stdout]     |                    ----------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this warning originates in the macro `_try` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 266 |                     panic!("{}", e)
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 266 |                     std::panic::panic_any(e)
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/drivers/pg.rs:266:28
[INFO] [stdout]     |
[INFO] [stdout] 266 |                     panic!(e)
[INFO] [stdout]     |                            ^
[INFO] [stdout] ...
[INFO] [stdout] 309 |         _try!(remove_migration_tag(None, &conn_str, "alter1"));
[INFO] [stdout]     |         ------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this warning originates in the macro `_try` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 266 |                     panic!("{}", e)
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 266 |                     std::panic::panic_any(e)
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/drivers/pg.rs:266:28
[INFO] [stdout]     |
[INFO] [stdout] 266 |                     panic!(e)
[INFO] [stdout]     |                            ^
[INFO] [stdout] ...
[INFO] [stdout] 310 |         _try!(remove_migration_tag(None, &conn_str, "initial"));
[INFO] [stdout]     |         -------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this warning originates in the macro `_try` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 266 |                     panic!("{}", e)
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 266 |                     std::panic::panic_any(e)
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/drivers/pg.rs:266:28
[INFO] [stdout]     |
[INFO] [stdout] 266 |                     panic!(e)
[INFO] [stdout]     |                            ^
[INFO] [stdout] ...
[INFO] [stdout] 311 |         let migs = _try!(select_migrations(None, &conn_str));
[INFO] [stdout]     |                    ----------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this warning originates in the macro `_try` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 266 |                     panic!("{}", e)
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 266 |                     std::panic::panic_any(e)
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/drivers/sqlite.rs:225:28
[INFO] [stdout]     |
[INFO] [stdout] 225 |                     panic!(e)
[INFO] [stdout]     |                            ^
[INFO] [stdout] ...
[INFO] [stdout] 238 |         let is_setup = _try!(migration_table_exists(&conn_str));
[INFO] [stdout]     |                        ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this warning originates in the macro `_try` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 225 |                     panic!("{}", e)
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 225 |                     std::panic::panic_any(e)
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/drivers/sqlite.rs:225:28
[INFO] [stdout]     |
[INFO] [stdout] 225 |                     panic!(e)
[INFO] [stdout]     |                            ^
[INFO] [stdout] ...
[INFO] [stdout] 242 |         let was_setup = _try!(migration_setup(&path));
[INFO] [stdout]     |                         ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this warning originates in the macro `_try` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 225 |                     panic!("{}", e)
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 225 |                     std::panic::panic_any(e)
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/drivers/sqlite.rs:225:28
[INFO] [stdout]     |
[INFO] [stdout] 225 |                     panic!(e)
[INFO] [stdout]     |                            ^
[INFO] [stdout] ...
[INFO] [stdout] 247 |         let was_setup = _try!(migration_setup(&path));
[INFO] [stdout]     |                         ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this warning originates in the macro `_try` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 225 |                     panic!("{}", e)
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 225 |                     std::panic::panic_any(e)
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/drivers/sqlite.rs:225:28
[INFO] [stdout]     |
[INFO] [stdout] 225 |                     panic!(e)
[INFO] [stdout]     |                            ^
[INFO] [stdout] ...
[INFO] [stdout] 251 |         let is_setup = _try!(migration_table_exists(&conn_str));
[INFO] [stdout]     |                        ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this warning originates in the macro `_try` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 225 |                     panic!("{}", e)
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 225 |                     std::panic::panic_any(e)
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/drivers/sqlite.rs:225:28
[INFO] [stdout]     |
[INFO] [stdout] 225 |                     panic!(e)
[INFO] [stdout]     |                            ^
[INFO] [stdout] ...
[INFO] [stdout] 255 |         _try!(insert_migration_tag(&conn_str, "initial"));
[INFO] [stdout]     |         -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this warning originates in the macro `_try` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 225 |                     panic!("{}", e)
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 225 |                     std::panic::panic_any(e)
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/drivers/sqlite.rs:225:28
[INFO] [stdout]     |
[INFO] [stdout] 225 |                     panic!(e)
[INFO] [stdout]     |                            ^
[INFO] [stdout] ...
[INFO] [stdout] 256 |         _try!(insert_migration_tag(&conn_str, "alter1"));
[INFO] [stdout]     |         ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this warning originates in the macro `_try` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 225 |                     panic!("{}", e)
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 225 |                     std::panic::panic_any(e)
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/drivers/sqlite.rs:225:28
[INFO] [stdout]     |
[INFO] [stdout] 225 |                     panic!(e)
[INFO] [stdout]     |                            ^
[INFO] [stdout] ...
[INFO] [stdout] 257 |         _try!(insert_migration_tag(&conn_str, "alter2"));
[INFO] [stdout]     |         ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this warning originates in the macro `_try` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 225 |                     panic!("{}", e)
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 225 |                     std::panic::panic_any(e)
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/drivers/sqlite.rs:225:28
[INFO] [stdout]     |
[INFO] [stdout] 225 |                     panic!(e)
[INFO] [stdout]     |                            ^
[INFO] [stdout] ...
[INFO] [stdout] 260 |         let migs = _try!(select_migrations(&conn_str));
[INFO] [stdout]     |                    ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this warning originates in the macro `_try` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 225 |                     panic!("{}", e)
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 225 |                     std::panic::panic_any(e)
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/drivers/sqlite.rs:225:28
[INFO] [stdout]     |
[INFO] [stdout] 225 |                     panic!(e)
[INFO] [stdout]     |                            ^
[INFO] [stdout] ...
[INFO] [stdout] 264 |         _try!(remove_migration_tag(&conn_str, "alter2"));
[INFO] [stdout]     |         ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this warning originates in the macro `_try` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 225 |                     panic!("{}", e)
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 225 |                     std::panic::panic_any(e)
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/drivers/sqlite.rs:225:28
[INFO] [stdout]     |
[INFO] [stdout] 225 |                     panic!(e)
[INFO] [stdout]     |                            ^
[INFO] [stdout] ...
[INFO] [stdout] 265 |         let migs = _try!(select_migrations(&conn_str));
[INFO] [stdout]     |                    ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this warning originates in the macro `_try` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 225 |                     panic!("{}", e)
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 225 |                     std::panic::panic_any(e)
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/drivers/sqlite.rs:225:28
[INFO] [stdout]     |
[INFO] [stdout] 225 |                     panic!(e)
[INFO] [stdout]     |                            ^
[INFO] [stdout] ...
[INFO] [stdout] 268 |         _try!(remove_migration_tag(&conn_str, "alter1"));
[INFO] [stdout]     |         ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this warning originates in the macro `_try` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 225 |                     panic!("{}", e)
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 225 |                     std::panic::panic_any(e)
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/drivers/sqlite.rs:225:28
[INFO] [stdout]     |
[INFO] [stdout] 225 |                     panic!(e)
[INFO] [stdout]     |                            ^
[INFO] [stdout] ...
[INFO] [stdout] 269 |         _try!(remove_migration_tag(&conn_str, "initial"));
[INFO] [stdout]     |         -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this warning originates in the macro `_try` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 225 |                     panic!("{}", e)
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 225 |                     std::panic::panic_any(e)
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/drivers/sqlite.rs:225:28
[INFO] [stdout]     |
[INFO] [stdout] 225 |                     panic!(e)
[INFO] [stdout]     |                            ^
[INFO] [stdout] ...
[INFO] [stdout] 270 |         let migs = _try!(select_migrations(&conn_str));
[INFO] [stdout]     |                    ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this warning originates in the macro `_try` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 225 |                     panic!("{}", e)
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 225 |                     std::panic::panic_any(e)
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 47 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.39s
[INFO] running `Command { std: "docker" "inspect" "12f652895a22d0d6687e990d83a4210802e00be85137a90e4a9a5b739ab09373", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12f652895a22d0d6687e990d83a4210802e00be85137a90e4a9a5b739ab09373", kill_on_drop: false }`
[INFO] [stdout] 12f652895a22d0d6687e990d83a4210802e00be85137a90e4a9a5b739ab09373