[INFO] fetching crate track 0.1.0...
[INFO] testing track-0.1.0 against beta-2023-04-20 for beta-1.70-1
[INFO] extracting crate track 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate track 0.1.0 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate track 0.1.0
[INFO] finished tweaking crates.io crate track 0.1.0
[INFO] tweaked toml for crates.io crate track 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate track 0.1.0 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" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bumpalo v3.2.0
[INFO] [stderr]   Downloaded track-macro v0.1.0
[INFO] [stderr]   Downloaded serde-diff-derive v0.2.0
[INFO] [stderr]   Downloaded rmp-serde v0.14.3
[INFO] [stderr]   Downloaded memchr v2.3.2
[INFO] [stderr]   Downloaded bstr v0.2.11
[INFO] [stderr]   Downloaded rmp v0.8.9
[INFO] [stderr]   Downloaded serde-diff v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c341afbfc1a352c573adec350c959c48720b1388de60256e122cad1c621286db
[INFO] running `Command { std: "docker" "start" "-a" "c341afbfc1a352c573adec350c959c48720b1388de60256e122cad1c621286db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c341afbfc1a352c573adec350c959c48720b1388de60256e122cad1c621286db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c341afbfc1a352c573adec350c959c48720b1388de60256e122cad1c621286db", kill_on_drop: false }`
[INFO] [stdout] c341afbfc1a352c573adec350c959c48720b1388de60256e122cad1c621286db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 206a586bdd8f97625ca891be50a7c5fe58017bf45d44b8da0dee23e89ab1afdd
[INFO] running `Command { std: "docker" "start" "-a" "206a586bdd8f97625ca891be50a7c5fe58017bf45d44b8da0dee23e89ab1afdd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling crossbeam-channel v0.4.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling serde-diff-derive v0.2.0
[INFO] [stderr]    Compiling track-macro v0.1.0
[INFO] [stderr]    Compiling bincode v1.2.1
[INFO] [stderr]    Compiling serde-diff v0.2.0
[INFO] [stderr]    Compiling track v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/serialization/bincode.rs:13:58
[INFO] [stdout]    |
[INFO] [stdout] 13 |             .map_err(|e| ErrorKind::SerializationError(e.description().to_string()))?)
[INFO] [stdout]    |                                                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/serialization/bincode.rs:18:58
[INFO] [stdout]    |
[INFO] [stdout] 18 |             .map_err(|e| ErrorKind::SerializationError(e.description().to_string()))?)
[INFO] [stdout]    |                                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/serialization/bincode.rs:24:58
[INFO] [stdout]    |
[INFO] [stdout] 24 |             .map_err(|e| ErrorKind::SerializationError(e.description().to_string()))?;
[INFO] [stdout]    |                                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.69s
[INFO] running `Command { std: "docker" "inspect" "206a586bdd8f97625ca891be50a7c5fe58017bf45d44b8da0dee23e89ab1afdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "206a586bdd8f97625ca891be50a7c5fe58017bf45d44b8da0dee23e89ab1afdd", kill_on_drop: false }`
[INFO] [stdout] 206a586bdd8f97625ca891be50a7c5fe58017bf45d44b8da0dee23e89ab1afdd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e01a0bcbe51e31ae48df381553d63c30b3b3273bfca7c01e14220c29ee87b9e
[INFO] running `Command { std: "docker" "start" "-a" "6e01a0bcbe51e31ae48df381553d63c30b3b3273bfca7c01e14220c29ee87b9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling memchr v2.3.2
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling regex-automata v0.1.8
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling oorandom v11.1.0
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/serialization/bincode.rs:13:58
[INFO] [stdout]    |
[INFO] [stdout] 13 |             .map_err(|e| ErrorKind::SerializationError(e.description().to_string()))?)
[INFO] [stdout]    |                                                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/serialization/bincode.rs:18:58
[INFO] [stdout]    |
[INFO] [stdout] 18 |             .map_err(|e| ErrorKind::SerializationError(e.description().to_string()))?)
[INFO] [stdout]    |                                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/serialization/bincode.rs:24:58
[INFO] [stdout]    |
[INFO] [stdout] 24 |             .map_err(|e| ErrorKind::SerializationError(e.description().to_string()))?;
[INFO] [stdout]    |                                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling bstr v0.2.11
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling serde_json v1.0.48
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling criterion-plot v0.4.1
[INFO] [stderr]    Compiling plotters v0.2.12
[INFO] [stderr]    Compiling crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling tinytemplate v1.0.3
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling criterion v0.3.1
[INFO] [stderr]    Compiling track v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/serialization/bincode.rs:13:58
[INFO] [stdout]    |
[INFO] [stdout] 13 |             .map_err(|e| ErrorKind::SerializationError(e.description().to_string()))?)
[INFO] [stdout]    |                                                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/serialization/bincode.rs:18:58
[INFO] [stdout]    |
[INFO] [stdout] 18 |             .map_err(|e| ErrorKind::SerializationError(e.description().to_string()))?)
[INFO] [stdout]    |                                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/serialization/bincode.rs:24:58
[INFO] [stdout]    |
[INFO] [stdout] 24 |             .map_err(|e| ErrorKind::SerializationError(e.description().to_string()))?;
[INFO] [stdout]    |                                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/track-change.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         Apply::apply_to(&mut entity.1, &event.modified_fields, Bincode);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let _ = Apply::apply_to(&mut entity.1, &event.modified_fields, Bincode);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.85s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "6e01a0bcbe51e31ae48df381553d63c30b3b3273bfca7c01e14220c29ee87b9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e01a0bcbe51e31ae48df381553d63c30b3b3273bfca7c01e14220c29ee87b9e", kill_on_drop: false }`
[INFO] [stdout] 6e01a0bcbe51e31ae48df381553d63c30b3b3273bfca7c01e14220c29ee87b9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b9813602630e60f6e66a4433c1dccbfea82c974e7bf47f60feffc5d5f90c211c
[INFO] running `Command { std: "docker" "start" "-a" "b9813602630e60f6e66a4433c1dccbfea82c974e7bf47f60feffc5d5f90c211c", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/serialization/bincode.rs:13:58
[INFO] [stderr]    |
[INFO] [stderr] 13 |             .map_err(|e| ErrorKind::SerializationError(e.description().to_string()))?)
[INFO] [stderr]    |                                                          ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/serialization/bincode.rs:18:58
[INFO] [stderr]    |
[INFO] [stderr] 18 |             .map_err(|e| ErrorKind::SerializationError(e.description().to_string()))?)
[INFO] [stderr]    |                                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/serialization/bincode.rs:24:58
[INFO] [stderr]    |
[INFO] [stderr] 24 |             .map_err(|e| ErrorKind::SerializationError(e.description().to_string()))?;
[INFO] [stderr]    |                                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `track` (lib) generated 3 warnings
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> examples/track-change.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |         Apply::apply_to(&mut entity.1, &event.modified_fields, Bincode);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 53 |         let _ = Apply::apply_to(&mut entity.1, &event.modified_fields, Bincode);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `track` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr] warning: `track` (example "track-change") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/track-d41e3ec0d63c1d58)
[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] [stderr]    Doc-tests track
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 23) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 31) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 23) stdout ----
[INFO] [stdout] error: expected `where`, `{`, `(`, or `;` after struct name, found `...`
[INFO] [stdout]  --> src/lib.rs:27:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Postition ...
[INFO] [stdout]   |                  ^^^ expected `where`, `{`, `(`, or `;` after struct name
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 31) stdout ----
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `Position` in this scope
[INFO] [stdout]   --> src/lib.rs:45:33
[INFO] [stdout]    |
[INFO] [stdout] 16 |         (Identity { value: 1 }, Position { x: 0, y: 0 }),
[INFO] [stdout]    |                                 ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `Position` in this scope
[INFO] [stdout]   --> src/lib.rs:46:33
[INFO] [stdout]    |
[INFO] [stdout] 17 |         (Identity { value: 2 }, Position { x: 0, y: 0 }),
[INFO] [stdout]    |                                 ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Position` in this scope
[INFO] [stdout]   --> src/lib.rs:57:83
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn make_changes(channel: &ModificationChannel<Identity>, entities: Vec<(Identity, Position)>) {
[INFO] [stdout]    |                                                                                   ^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn make_changes<Position>(channel: &ModificationChannel<Identity>, entities: Vec<(Identity, Position)>) {
[INFO] [stdout]    |                ++++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Position` in this scope
[INFO] [stdout]   --> src/lib.rs:69:35
[INFO] [stdout]    |
[INFO] [stdout] 40 |     entities: &mut Vec<(Identity, Position)>,
[INFO] [stdout]    |                                   ^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn apply_changes<Position>(
[INFO] [stdout]    |                 ++++++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0422.
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 23)
[INFO] [stdout]     src/lib.rs - (line 31)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "b9813602630e60f6e66a4433c1dccbfea82c974e7bf47f60feffc5d5f90c211c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9813602630e60f6e66a4433c1dccbfea82c974e7bf47f60feffc5d5f90c211c", kill_on_drop: false }`
[INFO] [stdout] b9813602630e60f6e66a4433c1dccbfea82c974e7bf47f60feffc5d5f90c211c
