[INFO] fetching crate ironstorm_lookup 1.0.4...
[INFO] checking ironstorm_lookup-1.0.4 against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] extracting crate ironstorm_lookup 1.0.4 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate ironstorm_lookup 1.0.4 on toolchain 158f00a1c5175648af6f6099b075f78d1d014a28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ironstorm_lookup 1.0.4
[INFO] finished tweaking crates.io crate ironstorm_lookup 1.0.4
[INFO] tweaked toml for crates.io crate ironstorm_lookup 1.0.4 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded itertools v0.5.10
[INFO] [stderr]   Downloaded suffix v1.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f76b2950d19387b05477842ba076f29b7d55d90982d760125ae4815ac12a2c03
[INFO] running `Command { std: "docker" "start" "-a" "f76b2950d19387b05477842ba076f29b7d55d90982d760125ae4815ac12a2c03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f76b2950d19387b05477842ba076f29b7d55d90982d760125ae4815ac12a2c03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f76b2950d19387b05477842ba076f29b7d55d90982d760125ae4815ac12a2c03", kill_on_drop: false }`
[INFO] [stdout] f76b2950d19387b05477842ba076f29b7d55d90982d760125ae4815ac12a2c03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bae1a9165a7d525bf56c2c4fcee7aba30c71a127411a1be8332736a16b77302
[INFO] running `Command { std: "docker" "start" "-a" "6bae1a9165a7d525bf56c2c4fcee7aba30c71a127411a1be8332736a16b77302", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking suffix v1.3.0
[INFO] [stderr]     Checking itertools v0.5.10
[INFO] [stderr]     Checking ironstorm_lookup v1.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `collections_bound` has been stable since 1.17.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(btree_range, collections_bound)]
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `btree_range` has been stable since 1.17.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(btree_range, collections_bound)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `collections_bound` has been stable since 1.17.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(btree_range, collections_bound)]
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:198:56
[INFO] [stdout]     |
[INFO] [stdout] 198 |     pub fn find(&'a self, search_text: &'a str) -> Box<Iterator<Item=&V> + Send + 'a> {
[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 an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 198 |     pub fn find(&'a self, search_text: &'a str) -> Box<dyn Iterator<Item=&V> + Send + 'a> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `btree_range` has been stable since 1.17.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(btree_range, collections_bound)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:198:56
[INFO] [stdout]     |
[INFO] [stdout] 198 |     pub fn find(&'a self, search_text: &'a str) -> Box<Iterator<Item=&V> + Send + 'a> {
[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 an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 198 |     pub fn find(&'a self, search_text: &'a str) -> Box<dyn Iterator<Item=&V> + Send + 'a> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Bound<_>: RangeBounds<(usize, usize)>` is not satisfied
[INFO] [stdout]    --> src/lib.rs:184:54
[INFO] [stdout]     |
[INFO] [stdout] 184 |         if let Some(value) = self.position_map.range(Unbounded, Included(&(bucket,(text_position as usize)))).rev().next() {
[INFO] [stdout]     |                                                ----- ^^^^^^^^^ the trait `RangeBounds<(usize, usize)>` is not implemented for `Bound<_>`
[INFO] [stdout]     |                                                |
[INFO] [stdout]     |                                                required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `BTreeMap::<K, V, A>::range`
[INFO] [stdout]    --> /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/alloc/src/collections/btree/map.rs:1202:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Bound<_>: RangeBounds<(usize, usize)>` is not satisfied
[INFO] [stdout]    --> src/lib.rs:184:54
[INFO] [stdout]     |
[INFO] [stdout] 184 |         if let Some(value) = self.position_map.range(Unbounded, Included(&(bucket,(text_position as usize)))).rev().next() {
[INFO] [stdout]     |                                                ----- ^^^^^^^^^ the trait `RangeBounds<(usize, usize)>` is not implemented for `Bound<_>`
[INFO] [stdout]     |                                                |
[INFO] [stdout]     |                                                required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `BTreeMap::<K, V, A>::range`
[INFO] [stdout]    --> /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/alloc/src/collections/btree/map.rs:1202:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this method takes 1 argument but 2 arguments were supplied
[INFO] [stdout]    --> src/lib.rs:184:48
[INFO] [stdout]     |
[INFO] [stdout] 184 |         if let Some(value) = self.position_map.range(Unbounded, Included(&(bucket,(text_position as usize)))).rev().next() {
[INFO] [stdout]     |                                                ^^^^^          ----------------------------------------------
[INFO] [stdout]     |                                                               | |
[INFO] [stdout]     |                                                               | unexpected argument of type `Bound<&(usize, usize)>`
[INFO] [stdout]     |                                                               help: remove the extra argument
[INFO] [stdout]     |
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/alloc/src/collections/btree/map.rs:1202:12
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this method takes 1 argument but 2 arguments were supplied
[INFO] [stdout]    --> src/lib.rs:184:48
[INFO] [stdout]     |
[INFO] [stdout] 184 |         if let Some(value) = self.position_map.range(Unbounded, Included(&(bucket,(text_position as usize)))).rev().next() {
[INFO] [stdout]     |                                                ^^^^^          ----------------------------------------------
[INFO] [stdout]     |                                                               | |
[INFO] [stdout]     |                                                               | unexpected argument of type `Bound<&(usize, usize)>`
[INFO] [stdout]     |                                                               help: remove the extra argument
[INFO] [stdout]     |
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/alloc/src/collections/btree/map.rs:1202:12
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:163:17
[INFO] [stdout]     |
[INFO] [stdout] 163 |             let mut text = text_map.entry(value.bucket()).or_insert_with(String::new);
[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] error: aborting due to 2 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0277.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:163:17
[INFO] [stdout]     |
[INFO] [stdout] 163 |             let mut text = text_map.entry(value.bucket()).or_insert_with(String::new);
[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] [stderr] error: could not compile `ironstorm_lookup` (lib) due to 3 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0277.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ironstorm_lookup` (lib test) due to 3 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "6bae1a9165a7d525bf56c2c4fcee7aba30c71a127411a1be8332736a16b77302", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bae1a9165a7d525bf56c2c4fcee7aba30c71a127411a1be8332736a16b77302", kill_on_drop: false }`
[INFO] [stdout] 6bae1a9165a7d525bf56c2c4fcee7aba30c71a127411a1be8332736a16b77302
[INFO] checking ironstorm_lookup-1.0.4 against try#b4fc5dbf0bc33be331f9d893db5b3a794f29724a+rustflags=-Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds for pr-121251
[INFO] extracting crate ironstorm_lookup 1.0.4 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate ironstorm_lookup 1.0.4 on toolchain b4fc5dbf0bc33be331f9d893db5b3a794f29724a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ironstorm_lookup 1.0.4
[INFO] finished tweaking crates.io crate ironstorm_lookup 1.0.4
[INFO] tweaked toml for crates.io crate ironstorm_lookup 1.0.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1983f3525de957e6ecd733aa0fb7b09934438f9c2b0b1d957f99fad2de308348
[INFO] running `Command { std: "docker" "start" "-a" "1983f3525de957e6ecd733aa0fb7b09934438f9c2b0b1d957f99fad2de308348", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1983f3525de957e6ecd733aa0fb7b09934438f9c2b0b1d957f99fad2de308348", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1983f3525de957e6ecd733aa0fb7b09934438f9c2b0b1d957f99fad2de308348", kill_on_drop: false }`
[INFO] [stdout] 1983f3525de957e6ecd733aa0fb7b09934438f9c2b0b1d957f99fad2de308348
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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 -Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2346a15bfb47d01baea09ac8701dac318841c857fa5e1b7b70bb006b5bdf29af
[INFO] running `Command { std: "docker" "start" "-a" "2346a15bfb47d01baea09ac8701dac318841c857fa5e1b7b70bb006b5bdf29af", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking suffix v1.3.0
[INFO] [stderr]     Checking itertools v0.5.10
[INFO] [stderr]     Checking ironstorm_lookup v1.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `collections_bound` has been stable since 1.17.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(btree_range, collections_bound)]
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `btree_range` has been stable since 1.17.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(btree_range, collections_bound)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:198:56
[INFO] [stdout]     |
[INFO] [stdout] 198 |     pub fn find(&'a self, search_text: &'a str) -> Box<Iterator<Item=&V> + Send + 'a> {
[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 an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 198 |     pub fn find(&'a self, search_text: &'a str) -> Box<dyn Iterator<Item=&V> + Send + 'a> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `collections_bound` has been stable since 1.17.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(btree_range, collections_bound)]
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Bound<_>: RangeBounds<(usize, usize)>` is not satisfied
[INFO] [stdout]    --> src/lib.rs:184:54
[INFO] [stdout]     |
[INFO] [stdout] 184 |         if let Some(value) = self.position_map.range(Unbounded, Included(&(bucket,(text_position as usize)))).rev().next() {
[INFO] [stdout]     |                                                ----- ^^^^^^^^^ the trait `RangeBounds<(usize, usize)>` is not implemented for `Bound<_>`
[INFO] [stdout]     |                                                |
[INFO] [stdout]     |                                                required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `BTreeMap::<K, V, A>::range`
[INFO] [stdout]    --> /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/alloc/src/collections/btree/map.rs:1202:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this method takes 1 argument but 2 arguments were supplied
[INFO] [stdout]    --> src/lib.rs:184:48
[INFO] [stdout]     |
[INFO] [stdout] 184 |         if let Some(value) = self.position_map.range(Unbounded, Included(&(bucket,(text_position as usize)))).rev().next() {
[INFO] [stdout]     |                                                ^^^^^          ----------------------------------------------
[INFO] [stdout]     |                                                               | |
[INFO] [stdout]     |                                                               | unexpected argument of type `Bound<&(usize, usize)>`
[INFO] [stdout]     |                                                               help: remove the extra argument
[INFO] [stdout]     |
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/alloc/src/collections/btree/map.rs:1202:12
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `btree_range` has been stable since 1.17.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(btree_range, collections_bound)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:198:56
[INFO] [stdout]     |
[INFO] [stdout] 198 |     pub fn find(&'a self, search_text: &'a str) -> Box<Iterator<Item=&V> + Send + 'a> {
[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 an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 198 |     pub fn find(&'a self, search_text: &'a str) -> Box<dyn Iterator<Item=&V> + Send + 'a> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Bound<_>: RangeBounds<(usize, usize)>` is not satisfied
[INFO] [stdout]    --> src/lib.rs:184:54
[INFO] [stdout]     |
[INFO] [stdout] 184 |         if let Some(value) = self.position_map.range(Unbounded, Included(&(bucket,(text_position as usize)))).rev().next() {
[INFO] [stdout]     |                                                ----- ^^^^^^^^^ the trait `RangeBounds<(usize, usize)>` is not implemented for `Bound<_>`
[INFO] [stdout]     |                                                |
[INFO] [stdout]     |                                                required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `BTreeMap::<K, V, A>::range`
[INFO] [stdout]    --> /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/alloc/src/collections/btree/map.rs:1202:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this method takes 1 argument but 2 arguments were supplied
[INFO] [stdout]    --> src/lib.rs:184:48
[INFO] [stdout]     |
[INFO] [stdout] 184 |         if let Some(value) = self.position_map.range(Unbounded, Included(&(bucket,(text_position as usize)))).rev().next() {
[INFO] [stdout]     |                                                ^^^^^          ----------------------------------------------
[INFO] [stdout]     |                                                               | |
[INFO] [stdout]     |                                                               | unexpected argument of type `Bound<&(usize, usize)>`
[INFO] [stdout]     |                                                               help: remove the extra argument
[INFO] [stdout]     |
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/alloc/src/collections/btree/map.rs:1202:12
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:163:17
[INFO] [stdout]     |
[INFO] [stdout] 163 |             let mut text = text_map.entry(value.bucket()).or_insert_with(String::new);
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:163:17
[INFO] [stdout]     |
[INFO] [stdout] 163 |             let mut text = text_map.entry(value.bucket()).or_insert_with(String::new);
[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] error: aborting due to 2 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0277.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ironstorm_lookup` (lib) due to 3 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0277.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ironstorm_lookup` (lib test) due to 3 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "2346a15bfb47d01baea09ac8701dac318841c857fa5e1b7b70bb006b5bdf29af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2346a15bfb47d01baea09ac8701dac318841c857fa5e1b7b70bb006b5bdf29af", kill_on_drop: false }`
[INFO] [stdout] 2346a15bfb47d01baea09ac8701dac318841c857fa5e1b7b70bb006b5bdf29af
