[INFO] cloning repository https://github.com/38/squery
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/38/squery" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F38%2Fsquery", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F38%2Fsquery'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7e0b896ec3e90fa7311c5492f7cfd0710e49b1ac
[INFO] testing 38/squery against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F38%2Fsquery" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/38/squery
[INFO] finished tweaking git repo https://github.com/38/squery
[INFO] tweaked toml for git repo https://github.com/38/squery written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/38/squery on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/38/squery already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memchr v2.0.1
[INFO] [stderr]   Downloaded thread_local v0.3.5
[INFO] [stderr]   Downloaded version_check v0.1.4
[INFO] [stderr]   Downloaded utf8-ranges v1.0.0
[INFO] [stderr]   Downloaded ucd-util v0.1.1
[INFO] [stderr]   Downloaded lazy_static v1.1.0
[INFO] [stderr]   Downloaded libc v0.2.43
[INFO] [stderr]   Downloaded regex-syntax v0.6.2
[INFO] [stderr]   Downloaded regex v1.0.2
[INFO] [stderr]   Downloaded aho-corasick v0.6.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 911ec10667cddc2578f9a555b3cf76c680c6e9e859c93cf2a29c6e07cd328e7b
[INFO] running `Command { std: "docker" "start" "-a" "911ec10667cddc2578f9a555b3cf76c680c6e9e859c93cf2a29c6e07cd328e7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "911ec10667cddc2578f9a555b3cf76c680c6e9e859c93cf2a29c6e07cd328e7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "911ec10667cddc2578f9a555b3cf76c680c6e9e859c93cf2a29c6e07cd328e7b", kill_on_drop: false }`
[INFO] [stdout] 911ec10667cddc2578f9a555b3cf76c680c6e9e859c93cf2a29c6e07cd328e7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 843bc205101cd69ceeb6044055f22f2e3278eb0c01b4308735d6cf9799601a1a
[INFO] running `Command { std: "docker" "start" "-a" "843bc205101cd69ceeb6044055f22f2e3278eb0c01b4308735d6cf9799601a1a", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling regex v1.0.2
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.2
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling aho-corasick v0.6.6
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling squery v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/table/table.rs:25:25
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Parser(&'parser mut Input, bool)
[INFO] [stdout]    |                         ^^^^^
[INFO] [stdout]    |
[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]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Parser(&'parser mut dyn Input, bool)
[INFO] [stdout]    |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reader/linetext.rs:168:59
[INFO] [stdout]     |
[INFO] [stdout] 168 |         fn try_parse<T,U>(row:&mut Row, idx:usize, parse:&Fn() -> Result<T,U>) -> bool
[INFO] [stdout]     |                                                           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 168 |         fn try_parse<T,U>(row:&mut Row, idx:usize, parse:&dyn Fn() -> Result<T,U>) -> bool
[INFO] [stdout]     |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/table/output.rs:26:69
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn then<T>(&mut self, table:&mut Table, output:&mut T, how:&Fn(&mut Table, &mut T) -> OutputResult) -> OutputResult
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn then<T>(&mut self, table:&mut Table, output:&mut T, how:&dyn Fn(&mut Table, &mut T) -> OutputResult) -> OutputResult
[INFO] [stdout]    |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/table/schema.rs:228:36
[INFO] [stdout]     |
[INFO] [stdout] 228 |                 if let Some((keys, mut rem)) = parse_key_list(next, &schema.types)
[INFO] [stdout]     |                                    ----^^^
[INFO] [stdout]     |                                    |
[INFO] [stdout]     |                                    help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/table/row.rs:46:25
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn empty(schema:&TableSchema) -> Row 
[INFO] [stdout]    |                         ^^^^^^^^^^^^     --- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn empty(schema:&TableSchema) -> Row<'_> 
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.87s
[INFO] running `Command { std: "docker" "inspect" "843bc205101cd69ceeb6044055f22f2e3278eb0c01b4308735d6cf9799601a1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "843bc205101cd69ceeb6044055f22f2e3278eb0c01b4308735d6cf9799601a1a", kill_on_drop: false }`
[INFO] [stdout] 843bc205101cd69ceeb6044055f22f2e3278eb0c01b4308735d6cf9799601a1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca75e8e6dd4f77f2e0746ab30dd2a6917ded0ee705e12adfa9bcd22f6c035335
[INFO] running `Command { std: "docker" "start" "-a" "ca75e8e6dd4f77f2e0746ab30dd2a6917ded0ee705e12adfa9bcd22f6c035335", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling squery v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/table/table.rs:25:25
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Parser(&'parser mut Input, bool)
[INFO] [stdout]    |                         ^^^^^
[INFO] [stdout]    |
[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]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Parser(&'parser mut dyn Input, bool)
[INFO] [stdout]    |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reader/linetext.rs:168:59
[INFO] [stdout]     |
[INFO] [stdout] 168 |         fn try_parse<T,U>(row:&mut Row, idx:usize, parse:&Fn() -> Result<T,U>) -> bool
[INFO] [stdout]     |                                                           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 168 |         fn try_parse<T,U>(row:&mut Row, idx:usize, parse:&dyn Fn() -> Result<T,U>) -> bool
[INFO] [stdout]     |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/table/output.rs:26:69
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn then<T>(&mut self, table:&mut Table, output:&mut T, how:&Fn(&mut Table, &mut T) -> OutputResult) -> OutputResult
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn then<T>(&mut self, table:&mut Table, output:&mut T, how:&dyn Fn(&mut Table, &mut T) -> OutputResult) -> OutputResult
[INFO] [stdout]    |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/table/schema.rs:228:36
[INFO] [stdout]     |
[INFO] [stdout] 228 |                 if let Some((keys, mut rem)) = parse_key_list(next, &schema.types)
[INFO] [stdout]     |                                    ----^^^
[INFO] [stdout]     |                                    |
[INFO] [stdout]     |                                    help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/table/row.rs:46:25
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn empty(schema:&TableSchema) -> Row 
[INFO] [stdout]    |                         ^^^^^^^^^^^^     --- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn empty(schema:&TableSchema) -> Row<'_> 
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "ca75e8e6dd4f77f2e0746ab30dd2a6917ded0ee705e12adfa9bcd22f6c035335", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca75e8e6dd4f77f2e0746ab30dd2a6917ded0ee705e12adfa9bcd22f6c035335", kill_on_drop: false }`
[INFO] [stdout] ca75e8e6dd4f77f2e0746ab30dd2a6917ded0ee705e12adfa9bcd22f6c035335
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f96cb7801ac1fcadc6e41e8f520bdad99c71c9b2e0569dee3bcd2891055e4b42
[INFO] running `Command { std: "docker" "start" "-a" "f96cb7801ac1fcadc6e41e8f520bdad99c71c9b2e0569dee3bcd2891055e4b42", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/table/table.rs:25:25
[INFO] [stderr]    |
[INFO] [stderr] 25 |     Parser(&'parser mut Input, bool)
[INFO] [stderr]    |                         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 25 |     Parser(&'parser mut dyn Input, bool)
[INFO] [stderr]    |                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/reader/linetext.rs:168:59
[INFO] [stderr]     |
[INFO] [stderr] 168 |         fn try_parse<T,U>(row:&mut Row, idx:usize, parse:&Fn() -> Result<T,U>) -> bool
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 168 |         fn try_parse<T,U>(row:&mut Row, idx:usize, parse:&dyn Fn() -> Result<T,U>) -> bool
[INFO] [stderr]     |                                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/table/output.rs:26:69
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn then<T>(&mut self, table:&mut Table, output:&mut T, how:&Fn(&mut Table, &mut T) -> OutputResult) -> OutputResult
[INFO] [stderr]    |                                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn then<T>(&mut self, table:&mut Table, output:&mut T, how:&dyn Fn(&mut Table, &mut T) -> OutputResult) -> OutputResult
[INFO] [stderr]    |                                                                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/table/schema.rs:228:36
[INFO] [stderr]     |
[INFO] [stderr] 228 |                 if let Some((keys, mut rem)) = parse_key_list(next, &schema.types)
[INFO] [stderr]     |                                    ----^^^
[INFO] [stderr]     |                                    |
[INFO] [stderr]     |                                    help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/table/row.rs:46:25
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn empty(schema:&TableSchema) -> Row 
[INFO] [stderr]    |                         ^^^^^^^^^^^^     --- the lifetime gets resolved as `'_`
[INFO] [stderr]    |                         |
[INFO] [stderr]    |                         this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn empty(schema:&TableSchema) -> Row<'_> 
[INFO] [stderr]    |                                             ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `squery` (bin "squery" test) generated 5 warnings (run `cargo fix --bin "squery" --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/squery-f9744f4ff5a53652)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f96cb7801ac1fcadc6e41e8f520bdad99c71c9b2e0569dee3bcd2891055e4b42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f96cb7801ac1fcadc6e41e8f520bdad99c71c9b2e0569dee3bcd2891055e4b42", kill_on_drop: false }`
[INFO] [stdout] f96cb7801ac1fcadc6e41e8f520bdad99c71c9b2e0569dee3bcd2891055e4b42
