[INFO] fetching crate tellirc 0.1.6...
[INFO] checking tellirc-0.1.6 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate tellirc 0.1.6 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate tellirc 0.1.6
[INFO] finished tweaking crates.io crate tellirc 0.1.6
[INFO] tweaked toml for crates.io crate tellirc 0.1.6 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tellirc 0.1.6 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 151 packages to latest compatible versions
[INFO] [stderr]       Adding irc v0.13.6 (available: v1.1.0)
[INFO] [stderr]       Adding rusqlite v0.18.0 (available: v0.38.0)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bufstream v0.1.4
[INFO] [stderr]   Downloaded tokio-mockstream v1.1.0
[INFO] [stderr]   Downloaded tokio-tls v0.2.1
[INFO] [stderr]   Downloaded rusqlite v0.18.0
[INFO] [stderr]   Downloaded irc v0.13.6
[INFO] [stderr]   Downloaded libsqlite3-sys v0.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 065414a8caad91b424149fbad3f90bb0f5573616ffb2f480e4848099b97e974c
[INFO] running `Command { std: "docker" "start" "-a" "065414a8caad91b424149fbad3f90bb0f5573616ffb2f480e4848099b97e974c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "065414a8caad91b424149fbad3f90bb0f5573616ffb2f480e4848099b97e974c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "065414a8caad91b424149fbad3f90bb0f5573616ffb2f480e4848099b97e974c", kill_on_drop: false }`
[INFO] [stdout] 065414a8caad91b424149fbad3f90bb0f5573616ffb2f480e4848099b97e974c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63f50b53a42db0f11a901cc066979324517c78e8d896301cdddc62be88d7ad65
[INFO] running `Command { std: "docker" "start" "-a" "63f50b53a42db0f11a901cc066979324517c78e8d896301cdddc62be88d7ad65", kill_on_drop: false }`
[INFO] [stderr]     Checking log v0.4.29
[INFO] [stderr]    Compiling proc-macro2 v1.0.105
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling find-msvc-tools v0.1.7
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]     Checking parking_lot_core v0.6.3
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling openssl v0.10.75
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]     Checking gimli v0.32.3
[INFO] [stderr]     Checking bitflags v2.10.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling cc v1.2.52
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]    Compiling libsqlite3-sys v0.14.0
[INFO] [stderr]     Checking rustc-demangle v0.1.26
[INFO] [stderr]     Checking iana-time-zone v0.1.64
[INFO] [stderr]    Compiling zmij v1.0.12
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking tokio-timer v0.1.2
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking itoa v1.0.17
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-mockstream v1.1.0
[INFO] [stderr]    Compiling openssl-sys v0.9.111
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking rusqlite v0.18.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]     Checking tokio-core v0.1.18
[INFO] [stderr]     Checking addr2line v0.25.1
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking tokio-tls v0.2.1
[INFO] [stderr]     Checking irc v0.13.6
[INFO] [stderr]     Checking tellirc v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:230:45
[INFO] [stdout]     |
[INFO] [stdout] 230 | pub fn make_handler_fn<U>(dao: Dao) -> impl (FnMut(&IrcClient, Message) -> Result<(), U>) {
[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] 230 - pub fn make_handler_fn<U>(dao: Dao) -> impl (FnMut(&IrcClient, Message) -> Result<(), U>) {
[INFO] [stdout] 230 + pub fn make_handler_fn<U>(dao: Dao) -> impl FnMut(&IrcClient, Message) -> Result<(), U>  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:230:45
[INFO] [stdout]     |
[INFO] [stdout] 230 | pub fn make_handler_fn<U>(dao: Dao) -> impl (FnMut(&IrcClient, Message) -> Result<(), U>) {
[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] 230 - pub fn make_handler_fn<U>(dao: Dao) -> impl (FnMut(&IrcClient, Message) -> Result<(), U>) {
[INFO] [stdout] 230 + pub fn make_handler_fn<U>(dao: Dao) -> impl FnMut(&IrcClient, Message) -> Result<(), U>  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:68:46
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let iter = stmt.query_map(&[&who as &ToSql, &in_chan as &ToSql], |row| Ok(MessageCacheRow {
[INFO] [stdout]    |                                              ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let iter = stmt.query_map(&[&who as &dyn ToSql, &in_chan as &ToSql], |row| Ok(MessageCacheRow {
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:68:66
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let iter = stmt.query_map(&[&who as &ToSql, &in_chan as &ToSql], |row| Ok(MessageCacheRow {
[INFO] [stdout]    |                                                                  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let iter = stmt.query_map(&[&who as &ToSql, &in_chan as &dyn ToSql], |row| Ok(MessageCacheRow {
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:100:24
[INFO] [stdout]     |
[INFO] [stdout] 100 |             &[&who as &ToSql, &what as &ToSql, chan, &from as &ToSql, &now]);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 100 |             &[&who as &dyn ToSql, &what as &ToSql, chan, &from as &ToSql, &now]);
[INFO] [stdout]     |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:100:41
[INFO] [stdout]     |
[INFO] [stdout] 100 |             &[&who as &ToSql, &what as &ToSql, chan, &from as &ToSql, &now]);
[INFO] [stdout]     |                                         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 100 |             &[&who as &ToSql, &what as &dyn ToSql, chan, &from as &ToSql, &now]);
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:100:64
[INFO] [stdout]     |
[INFO] [stdout] 100 |             &[&who as &ToSql, &what as &ToSql, chan, &from as &ToSql, &now]);
[INFO] [stdout]     |                                                                ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 100 |             &[&who as &ToSql, &what as &ToSql, chan, &from as &dyn ToSql, &now]);
[INFO] [stdout]     |                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:233:60
[INFO] [stdout]     |
[INFO] [stdout] 233 |             let target = message.response_target().unwrap().clone();
[INFO] [stdout]     |                                                            ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:234:60
[INFO] [stdout]     |
[INFO] [stdout] 234 |             let sender = message.source_nickname().unwrap().clone();
[INFO] [stdout]     |                                                            ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:298:60
[INFO] [stdout]     |
[INFO] [stdout] 298 |             let target = message.response_target().unwrap().clone();
[INFO] [stdout]     |                                                            ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:68:46
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let iter = stmt.query_map(&[&who as &ToSql, &in_chan as &ToSql], |row| Ok(MessageCacheRow {
[INFO] [stdout]    |                                              ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let iter = stmt.query_map(&[&who as &dyn ToSql, &in_chan as &ToSql], |row| Ok(MessageCacheRow {
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:68:66
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let iter = stmt.query_map(&[&who as &ToSql, &in_chan as &ToSql], |row| Ok(MessageCacheRow {
[INFO] [stdout]    |                                                                  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let iter = stmt.query_map(&[&who as &ToSql, &in_chan as &dyn ToSql], |row| Ok(MessageCacheRow {
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:100:24
[INFO] [stdout]     |
[INFO] [stdout] 100 |             &[&who as &ToSql, &what as &ToSql, chan, &from as &ToSql, &now]);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 100 |             &[&who as &dyn ToSql, &what as &ToSql, chan, &from as &ToSql, &now]);
[INFO] [stdout]     |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:100:41
[INFO] [stdout]     |
[INFO] [stdout] 100 |             &[&who as &ToSql, &what as &ToSql, chan, &from as &ToSql, &now]);
[INFO] [stdout]     |                                         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 100 |             &[&who as &ToSql, &what as &dyn ToSql, chan, &from as &ToSql, &now]);
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:100:64
[INFO] [stdout]     |
[INFO] [stdout] 100 |             &[&who as &ToSql, &what as &ToSql, chan, &from as &ToSql, &now]);
[INFO] [stdout]     |                                                                ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 100 |             &[&who as &ToSql, &what as &ToSql, chan, &from as &dyn ToSql, &now]);
[INFO] [stdout]     |                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:233:60
[INFO] [stdout]     |
[INFO] [stdout] 233 |             let target = message.response_target().unwrap().clone();
[INFO] [stdout]     |                                                            ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:234:60
[INFO] [stdout]     |
[INFO] [stdout] 234 |             let sender = message.source_nickname().unwrap().clone();
[INFO] [stdout]     |                                                            ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:298:60
[INFO] [stdout]     |
[INFO] [stdout] 298 |             let target = message.response_target().unwrap().clone();
[INFO] [stdout]     |                                                            ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.32s
[INFO] running `Command { std: "docker" "inspect" "63f50b53a42db0f11a901cc066979324517c78e8d896301cdddc62be88d7ad65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63f50b53a42db0f11a901cc066979324517c78e8d896301cdddc62be88d7ad65", kill_on_drop: false }`
[INFO] [stdout] 63f50b53a42db0f11a901cc066979324517c78e8d896301cdddc62be88d7ad65
