[INFO] fetching crate plumb 0.2.0...
[INFO] testing plumb-0.2.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate plumb 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate plumb 0.2.0
[INFO] finished tweaking crates.io crate plumb 0.2.0
[INFO] tweaked toml for crates.io crate plumb 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate plumb 0.2.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9a0447bffcfd775d10b16d90e9d3a9cf60a69e65d2b2c3c92215065e207f015
[INFO] running `Command { std: "docker" "start" "-a" "b9a0447bffcfd775d10b16d90e9d3a9cf60a69e65d2b2c3c92215065e207f015", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9a0447bffcfd775d10b16d90e9d3a9cf60a69e65d2b2c3c92215065e207f015", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9a0447bffcfd775d10b16d90e9d3a9cf60a69e65d2b2c3c92215065e207f015", kill_on_drop: false }`
[INFO] [stdout] b9a0447bffcfd775d10b16d90e9d3a9cf60a69e65d2b2c3c92215065e207f015
[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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73c7ed3471f44e2fb340e6ab45d179018dd3ce01d7b569da58d4265f467025af
[INFO] running `Command { std: "docker" "start" "-a" "73c7ed3471f44e2fb340e6ab45d179018dd3ce01d7b569da58d4265f467025af", kill_on_drop: false }`
[INFO] [stderr]    Compiling plumb v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "73c7ed3471f44e2fb340e6ab45d179018dd3ce01d7b569da58d4265f467025af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73c7ed3471f44e2fb340e6ab45d179018dd3ce01d7b569da58d4265f467025af", kill_on_drop: false }`
[INFO] [stdout] 73c7ed3471f44e2fb340e6ab45d179018dd3ce01d7b569da58d4265f467025af
[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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38a484133296b004af0346170224230990839a5620267c90686a52245924d2a6
[INFO] running `Command { std: "docker" "start" "-a" "38a484133296b004af0346170224230990839a5620267c90686a52245924d2a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling plumb v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved imports `Append`, `Merge`, `Pluck`, `PluckTail`, `Prepend`, `Split`, `Call`, `RefCall`
[INFO] [stdout]    --> src/tuple_utils.rs:248:10
[INFO] [stdout]     |
[INFO] [stdout] 248 |     use {Append, Merge, Pluck, PluckTail, Prepend, Split, Call, RefCall};
[INFO] [stdout]     |          ^^^^^^  ^^^^^  ^^^^^  ^^^^^^^^^  ^^^^^^^  ^^^^^  ^^^^  ^^^^^^^ no external crate `RefCall`
[INFO] [stdout]     |          |       |      |      |          |        |      |
[INFO] [stdout]     |          |       |      |      |          |        |      no external crate `Call`
[INFO] [stdout]     |          |       |      |      |          |        no external crate `Split`
[INFO] [stdout]     |          |       |      |      |          no external crate `Prepend`
[INFO] [stdout]     |          |       |      |      no external crate `PluckTail`
[INFO] [stdout]     |          |       |      no external crate `Pluck`
[INFO] [stdout]     |          |       no external crate `Merge`
[INFO] [stdout]     |          no external crate `Append`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider importing this trait through its public re-export instead:
[INFO] [stdout]             crate::Append
[INFO] [stdout]     = help: consider importing this trait instead:
[INFO] [stdout]             crate::tuple_utils::Merge
[INFO] [stdout]     = help: consider importing this trait instead:
[INFO] [stdout]             crate::tuple_utils::Pluck
[INFO] [stdout]     = help: consider importing this trait instead:
[INFO] [stdout]             crate::tuple_utils::PluckTail
[INFO] [stdout]     = help: consider importing this trait instead:
[INFO] [stdout]             crate::tuple_utils::Prepend
[INFO] [stdout]     = help: consider importing one of these items instead:
[INFO] [stdout]             crate::tuple_utils::Split
[INFO] [stdout]             std::io::Split
[INFO] [stdout]             std::slice::Split
[INFO] [stdout]             std::str::Split
[INFO] [stdout]             core::slice::Split
[INFO] [stdout]             core::str::Split
[INFO] [stdout]     = help: consider importing this trait through its public re-export instead:
[INFO] [stdout]             crate::Call
[INFO] [stdout]     = help: consider importing this trait instead:
[INFO] [stdout]             crate::tuple_utils::RefCall
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `append` found for tuple `({integer},)` in the current scope
[INFO] [stdout]    --> src/tuple_utils.rs:252:24
[INFO] [stdout]     |
[INFO] [stdout]  11 |     fn append(self, other: T) -> Self::Output;
[INFO] [stdout]     |        ------ the method is available for `({integer},)` here
[INFO] [stdout] ...
[INFO] [stdout] 252 |         let out = (0,).append(1);
[INFO] [stdout]     |                        ^^^^^^ method not found in `({integer},)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Append` which provides `append` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 248 +     use crate::tuple_utils::Append;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `pluck_tail` found for tuple `({integer}, {integer}, {integer}, {integer})` in the current scope
[INFO] [stdout]    --> src/tuple_utils.rs:273:33
[INFO] [stdout]     |
[INFO] [stdout]  21 |     fn pluck_tail(self) -> (Self::Head, Self::Tail);
[INFO] [stdout]     |        ---------- the method is available for `({integer}, {integer}, {integer}, {integer})` here
[INFO] [stdout] ...
[INFO] [stdout] 273 |         let (head, tail) = head.pluck_tail();
[INFO] [stdout]     |                                 ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `PluckTail` which provides `pluck_tail` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 248 +     use crate::tuple_utils::PluckTail;
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `pluck` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 273 -         let (head, tail) = head.pluck_tail();
[INFO] [stdout] 273 +         let (head, tail) = head.pluck();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `prepend` found for tuple `({integer},)` in the current scope
[INFO] [stdout]    --> src/tuple_utils.rs:279:24
[INFO] [stdout]     |
[INFO] [stdout]  30 |     fn prepend(self, other: T) -> Self::Output;
[INFO] [stdout]     |        ------- the method is available for `({integer},)` here
[INFO] [stdout] ...
[INFO] [stdout] 279 |         let out = (0,).prepend(1);
[INFO] [stdout]     |                        ^^^^^^^ method not found in `({integer},)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Prepend` which provides `prepend` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 248 +     use crate::tuple_utils::Prepend;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `pluck` found for tuple `({integer}, {integer}, {integer}, {integer})` in the current scope
[INFO] [stdout]    --> src/tuple_utils.rs:300:33
[INFO] [stdout]     |
[INFO] [stdout]  40 |     fn pluck(self) -> (Self::Head, Self::Tail);
[INFO] [stdout]     |        ----- the method is available for `({integer}, {integer}, {integer}, {integer})` here
[INFO] [stdout] ...
[INFO] [stdout] 300 |         let (head, tail) = tail.pluck();
[INFO] [stdout]     |                                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Pluck` which provides `pluck` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 248 +     use crate::tuple_utils::Pluck;
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `pluck_tail` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 300 |         let (head, tail) = tail.pluck_tail();
[INFO] [stdout]     |                                      +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `merge` found for tuple `({integer}, {integer}, {integer})` in the current scope
[INFO] [stdout]    --> src/tuple_utils.rs:334:19
[INFO] [stdout]     |
[INFO] [stdout] 178 |     fn merge(self, other: T) -> Self::Output;
[INFO] [stdout]     |        ----- the method is available for `({integer}, {integer}, {integer})` here
[INFO] [stdout] ...
[INFO] [stdout] 334 |         let c = a.merge(b);
[INFO] [stdout]     |                   ^^^^^ method not found in `({integer}, {integer}, {integer})`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Merge` which provides `merge` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 248 +     use crate::tuple_utils::Merge;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `merge` found for tuple `(&str,)` in the current scope
[INFO] [stdout]    --> src/tuple_utils.rs:344:21
[INFO] [stdout]     |
[INFO] [stdout] 178 |     fn merge(self, other: T) -> Self::Output;
[INFO] [stdout]     |        ----- the method is available for `(&str,)` here
[INFO] [stdout] ...
[INFO] [stdout] 344 |         let out = a.merge(());
[INFO] [stdout]     |                     ^^^^^ method not found in `(&str,)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Merge` which provides `merge` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 248 +     use crate::tuple_utils::Merge;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `merge` found for unit type `()` in the current scope
[INFO] [stdout]    --> src/tuple_utils.rs:348:22
[INFO] [stdout]     |
[INFO] [stdout] 178 |     fn merge(self, other: T) -> Self::Output;
[INFO] [stdout]     |        ----- the method is available for `()` here
[INFO] [stdout] ...
[INFO] [stdout] 348 |         let out = ().merge(a);
[INFO] [stdout]     |                      ^^^^^ method not found in `()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Merge` which provides `merge` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 248 +     use crate::tuple_utils::Merge;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `merge` found for unit type `()` in the current scope
[INFO] [stdout]    --> src/tuple_utils.rs:350:23
[INFO] [stdout]     |
[INFO] [stdout] 178 |     fn merge(self, other: T) -> Self::Output;
[INFO] [stdout]     |        ----- the method is available for `()` here
[INFO] [stdout] ...
[INFO] [stdout] 350 |         assert_eq!(().merge(()), ());
[INFO] [stdout]     |                       ^^^^^ method not found in `()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Merge` which provides `merge` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 248 +     use crate::tuple_utils::Merge;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `merge` found for unit type `()` in the current scope
[INFO] [stdout]    --> src/tuple_utils.rs:351:23
[INFO] [stdout]     |
[INFO] [stdout] 178 |     fn merge(self, other: T) -> Self::Output;
[INFO] [stdout]     |        ----- the method is available for `()` here
[INFO] [stdout] ...
[INFO] [stdout] 351 |         assert_eq!(().merge((1,)), (1,));
[INFO] [stdout]     |                       ^^^^^ method not found in `()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Merge` which provides `merge` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 248 +     use crate::tuple_utils::Merge;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `merge` found for tuple `({integer},)` in the current scope
[INFO] [stdout]    --> src/tuple_utils.rs:352:25
[INFO] [stdout]     |
[INFO] [stdout] 178 |     fn merge(self, other: T) -> Self::Output;
[INFO] [stdout]     |        ----- the method is available for `({integer},)` here
[INFO] [stdout] ...
[INFO] [stdout] 352 |         assert_eq!((1,).merge(()), (1,));
[INFO] [stdout]     |                         ^^^^^ method not found in `({integer},)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Merge` which provides `merge` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 248 +     use crate::tuple_utils::Merge;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `split` found for tuple `({integer}, {integer}, {integer})` in the current scope
[INFO] [stdout]    --> src/tuple_utils.rs:358:24
[INFO] [stdout]     |
[INFO] [stdout] 213 |     fn split(self) -> (Self::Left, Self::Right);
[INFO] [stdout]     |        ----- the method is available for `({integer}, {integer}, {integer})` here
[INFO] [stdout] ...
[INFO] [stdout] 358 |         let (b, c) = a.split();
[INFO] [stdout]     |                        ^^^^^ method not found in `({integer}, {integer}, {integer})`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Split` which provides `split` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 248 +     use crate::tuple_utils::Split;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `split` found for unit type `()` in the current scope
[INFO] [stdout]    --> src/tuple_utils.rs:362:23
[INFO] [stdout]     |
[INFO] [stdout] 213 |     fn split(self) -> (Self::Left, Self::Right);
[INFO] [stdout]     |        ----- the method is available for `()` here
[INFO] [stdout] ...
[INFO] [stdout] 362 |         assert_eq!(().split(), ((), ()));
[INFO] [stdout]     |                       ^^^^^ method not found in `()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Split` which provides `split` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 248 +     use crate::tuple_utils::Split;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `split` found for tuple `({integer},)` in the current scope
[INFO] [stdout]    --> src/tuple_utils.rs:363:25
[INFO] [stdout]     |
[INFO] [stdout] 213 |     fn split(self) -> (Self::Left, Self::Right);
[INFO] [stdout]     |        ----- the method is available for `({integer},)` here
[INFO] [stdout] ...
[INFO] [stdout] 363 |         assert_eq!((1,).split(), ((), (1,)));
[INFO] [stdout]     |                         ^^^^^ method not found in `({integer},)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Split` which provides `split` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 248 +     use crate::tuple_utils::Split;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `split` found for tuple `({integer}, {integer})` in the current scope
[INFO] [stdout]    --> src/tuple_utils.rs:364:27
[INFO] [stdout]     |
[INFO] [stdout] 213 |     fn split(self) -> (Self::Left, Self::Right);
[INFO] [stdout]     |        ----- the method is available for `({integer}, {integer})` here
[INFO] [stdout] ...
[INFO] [stdout] 364 |         assert_eq!((1, 2).split(), ((1,), (2,)));
[INFO] [stdout]     |                           ^^^^^ method not found in `({integer}, {integer})`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Split` which provides `split` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 248 +     use crate::tuple_utils::Split;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `split` found for tuple `({integer}, {integer}, {integer})` in the current scope
[INFO] [stdout]    --> src/tuple_utils.rs:365:30
[INFO] [stdout]     |
[INFO] [stdout] 213 |     fn split(self) -> (Self::Left, Self::Right);
[INFO] [stdout]     |        ----- the method is available for `({integer}, {integer}, {integer})` here
[INFO] [stdout] ...
[INFO] [stdout] 365 |         assert_eq!((1, 2, 3).split(), ((1,), (2, 3)));
[INFO] [stdout]     |                              ^^^^^ method not found in `({integer}, {integer}, {integer})`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Split` which provides `split` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 248 +     use crate::tuple_utils::Split;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `plumb` (lib test) due to 16 previous errors
[INFO] running `Command { std: "docker" "inspect" "38a484133296b004af0346170224230990839a5620267c90686a52245924d2a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38a484133296b004af0346170224230990839a5620267c90686a52245924d2a6", kill_on_drop: false }`
[INFO] [stdout] 38a484133296b004af0346170224230990839a5620267c90686a52245924d2a6
