[INFO] fetching crate pg_async 0.8.6...
[INFO] testing pg_async-0.8.6 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate pg_async 0.8.6 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate pg_async 0.8.6 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pg_async 0.8.6
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate pg_async 0.8.6
[INFO] tweaked toml for crates.io crate pg_async 0.8.6 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 75265d8aaaef7ea01e46a328894d137c1c4313dcb3068f547d716c963636d134
[INFO] running `Command { std: "docker" "start" "-a" "75265d8aaaef7ea01e46a328894d137c1c4313dcb3068f547d716c963636d134", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75265d8aaaef7ea01e46a328894d137c1c4313dcb3068f547d716c963636d134", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75265d8aaaef7ea01e46a328894d137c1c4313dcb3068f547d716c963636d134", kill_on_drop: false }`
[INFO] [stdout] 75265d8aaaef7ea01e46a328894d137c1c4313dcb3068f547d716c963636d134
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8dc8aab908cea0e1427d8f7177a4578deff8fba7bfb904ead6111a3495a2e7c0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8dc8aab908cea0e1427d8f7177a4578deff8fba7bfb904ead6111a3495a2e7c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling pg_async v0.8.6 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling atomic v0.4.6
[INFO] [stderr]    Compiling inlinable_string v0.1.15
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling nix v0.8.1
[INFO] [stderr]    Compiling gstuff v0.5.12
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:614:121
[INFO] [stdout]     |
[INFO] [stdout] 614 |       PgSchedulingMode::PinToConnection (n) => connections[n as usize].pinned_pending_futures.push_back ($pg_future)}}}};
[INFO] [stdout]     |                                                                                                                         ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:619:103
[INFO] [stdout]     |
[INFO] [stdout] 619 |       PgSchedulingMode::PinToConnection (_) => $conn.pinned_pending_futures.push_back ($pg_future)}}}};
[INFO] [stdout]     |                                                                                                       ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/lib.rs:36:15
[INFO] [stdout]    |
[INFO] [stdout] 36 | use std::mem::uninitialized;
[INFO] [stdout]    |               ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:623:50
[INFO] [stdout]     |
[INFO] [stdout] 623 |     { let mut tmp: [u8; 256] = unsafe {std::mem::uninitialized()}; let _ = nix::unistd::read (read_end, &mut tmp); }
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:245:44
[INFO] [stdout]     |
[INFO] [stdout] 245 |           let mut buf: [u8; 128] = unsafe {uninitialized()};
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:105:29
[INFO] [stdout]     |
[INFO] [stdout] 105 |   pub on_escape: Option<Box<Fn(&str) + Send + Sync + 'static>>,
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 105 -   pub on_escape: Option<Box<Fn(&str) + Send + Sync + 'static>>,
[INFO] [stdout] 105 +   pub on_escape: Option<Box<dyn Fn(&str) + Send + Sync + 'static>>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `dsn`
[INFO] [stdout]    --> src/lib.rs:567:3
[INFO] [stdout]     |
[INFO] [stdout] 567 |   dsn: String,
[INFO] [stdout]     |   ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Connection` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/lib.rs:564:10
[INFO] [stdout]     |
[INFO] [stdout] 564 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.25s
[INFO] running `Command { std: "docker" "inspect" "8dc8aab908cea0e1427d8f7177a4578deff8fba7bfb904ead6111a3495a2e7c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dc8aab908cea0e1427d8f7177a4578deff8fba7bfb904ead6111a3495a2e7c0", kill_on_drop: false }`
[INFO] [stdout] 8dc8aab908cea0e1427d8f7177a4578deff8fba7bfb904ead6111a3495a2e7c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] aac10e9699ec0f49a027b57fee364614472e5479e1e48a136280bb5ce857ce20
[INFO] running `Command { std: "docker" "start" "-a" "aac10e9699ec0f49a027b57fee364614472e5479e1e48a136280bb5ce857ce20", kill_on_drop: false }`
[INFO] [stderr]    Compiling fomat-macros v0.2.1
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:614:121
[INFO] [stdout]     |
[INFO] [stdout] 614 |       PgSchedulingMode::PinToConnection (n) => connections[n as usize].pinned_pending_futures.push_back ($pg_future)}}}};
[INFO] [stdout]     |                                                                                                                         ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:619:103
[INFO] [stdout]     |
[INFO] [stdout] 619 |       PgSchedulingMode::PinToConnection (_) => $conn.pinned_pending_futures.push_back ($pg_future)}}}};
[INFO] [stdout]     |                                                                                                       ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/lib.rs:36:15
[INFO] [stdout]    |
[INFO] [stdout] 36 | use std::mem::uninitialized;
[INFO] [stdout]    |               ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:623:50
[INFO] [stdout]     |
[INFO] [stdout] 623 |     { let mut tmp: [u8; 256] = unsafe {std::mem::uninitialized()}; let _ = nix::unistd::read (read_end, &mut tmp); }
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:245:44
[INFO] [stdout]     |
[INFO] [stdout] 245 |           let mut buf: [u8; 128] = unsafe {uninitialized()};
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:105:29
[INFO] [stdout]     |
[INFO] [stdout] 105 |   pub on_escape: Option<Box<Fn(&str) + Send + Sync + 'static>>,
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 105 -   pub on_escape: Option<Box<Fn(&str) + Send + Sync + 'static>>,
[INFO] [stdout] 105 +   pub on_escape: Option<Box<dyn Fn(&str) + Send + Sync + 'static>>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `dsn`
[INFO] [stdout]    --> src/lib.rs:567:3
[INFO] [stdout]     |
[INFO] [stdout] 567 |   dsn: String,
[INFO] [stdout]     |   ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Connection` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/lib.rs:564:10
[INFO] [stdout]     |
[INFO] [stdout] 564 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling pg_async v0.8.6 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `gstuff::status_line`
[INFO] [stdout]   --> examples/24x7.rs:15:14
[INFO] [stdout]    |
[INFO] [stdout] 15 | use gstuff::{status_line, ISATTY};
[INFO] [stdout]    |              ^^^^^^^^^^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              no `status_line` in the root
[INFO] [stdout]    |              help: a similar name exists in the module: `STATUS_LINE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> examples/24x7.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(type_ascription, integer_atomics)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> examples/24x7.rs:4:29
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(type_ascription, integer_atomics)]
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/24x7.rs:58:18
[INFO] [stdout]    |
[INFO] [stdout] 58 |       let f: Box<Future<Item=(), Error=()> + Send> = {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 58 -       let f: Box<Future<Item=(), Error=()> + Send> = {
[INFO] [stdout] 58 +       let f: Box<dyn Future<Item=(), Error=()> + Send> = {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pg_async` due to 4 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0658]: type ascription is experimental
[INFO] [stdout]   --> src/tests.rs:9:35
[INFO] [stdout]    |
[INFO] [stdout] 9  |     static ref DSNS: Vec<String> = (io::BufReader::new (fs::File::open ("../pg_async.dsns") .expect ("!pg_async.dsns"))
[INFO] [stdout]    |  ___________________________________^
[INFO] [stdout] 10 | |     .lines().collect() :Result<Vec<String>, _>) .expect ("!pg_async.dsns");}
[INFO] [stdout]    | |______________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #23416 <https://github.com/rust-lang/rust/issues/23416> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:614:121
[INFO] [stdout]     |
[INFO] [stdout] 614 |       PgSchedulingMode::PinToConnection (n) => connections[n as usize].pinned_pending_futures.push_back ($pg_future)}}}};
[INFO] [stdout]     |                                                                                                                         ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:619:103
[INFO] [stdout]     |
[INFO] [stdout] 619 |       PgSchedulingMode::PinToConnection (_) => $conn.pinned_pending_futures.push_back ($pg_future)}}}};
[INFO] [stdout]     |                                                                                                       ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/lib.rs:36:15
[INFO] [stdout]    |
[INFO] [stdout] 36 | use std::mem::uninitialized;
[INFO] [stdout]    |               ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:623:50
[INFO] [stdout]     |
[INFO] [stdout] 623 |     { let mut tmp: [u8; 256] = unsafe {std::mem::uninitialized()}; let _ = nix::unistd::read (read_end, &mut tmp); }
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:245:44
[INFO] [stdout]     |
[INFO] [stdout] 245 |           let mut buf: [u8; 128] = unsafe {uninitialized()};
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:105:29
[INFO] [stdout]     |
[INFO] [stdout] 105 |   pub on_escape: Option<Box<Fn(&str) + Send + Sync + 'static>>,
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 105 -   pub on_escape: Option<Box<Fn(&str) + Send + Sync + 'static>>,
[INFO] [stdout] 105 +   pub on_escape: Option<Box<dyn Fn(&str) + Send + Sync + 'static>>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/tests.rs:37:26
[INFO] [stdout]    |
[INFO] [stdout] 37 |     Err (ref err) if err.description().contains ("PGRES_FATAL_ERROR") => {check_send (err); check_sync (err)},  // Expected error.
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pg_async` due to 2 previous errors; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "aac10e9699ec0f49a027b57fee364614472e5479e1e48a136280bb5ce857ce20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aac10e9699ec0f49a027b57fee364614472e5479e1e48a136280bb5ce857ce20", kill_on_drop: false }`
[INFO] [stdout] aac10e9699ec0f49a027b57fee364614472e5479e1e48a136280bb5ce857ce20