[INFO] fetching crate eventmill 0.4.0...
[INFO] checking eventmill-0.4.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate eventmill 0.4.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate eventmill 0.4.0
[INFO] finished tweaking crates.io crate eventmill 0.4.0
[INFO] tweaked toml for crates.io crate eventmill 0.4.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate eventmill 0.4.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 125 packages to latest compatible versions
[INFO] [stderr]       Adding bigdecimal v0.1.2 (available: v0.4.9)
[INFO] [stderr]       Adding proptest v0.9.6 (available: v1.9.0)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59ccdffe11f0f71379f7427946e81b2f2f6fd1072594e1b536cd78c11e1cbeec
[INFO] running `Command { std: "docker" "start" "-a" "59ccdffe11f0f71379f7427946e81b2f2f6fd1072594e1b536cd78c11e1cbeec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59ccdffe11f0f71379f7427946e81b2f2f6fd1072594e1b536cd78c11e1cbeec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59ccdffe11f0f71379f7427946e81b2f2f6fd1072594e1b536cd78c11e1cbeec", kill_on_drop: false }`
[INFO] [stdout] 59ccdffe11f0f71379f7427946e81b2f2f6fd1072594e1b536cd78c11e1cbeec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d38be4adf3fceb6fa74111b1964e42457b80141203df9d1df6b36942c139d5b8
[INFO] running `Command { std: "docker" "start" "-a" "d38be4adf3fceb6fa74111b1964e42457b80141203df9d1df6b36942c139d5b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling pulldown-cmark v0.9.6
[INFO] [stderr]     Checking regex-syntax v0.8.8
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking tempfile v3.23.0
[INFO] [stderr]     Checking rusty-fork v0.2.2
[INFO] [stderr]     Checking quote v1.0.42
[INFO] [stderr]     Checking proptest v0.9.6
[INFO] [stderr]     Checking syn v2.0.110
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.1
[INFO] [stderr]    Compiling zerovec-derive v0.11.2
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking yoke v0.8.1
[INFO] [stderr]     Checking zerovec v0.11.5
[INFO] [stderr]     Checking zerotrie v0.2.3
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking tinystr v0.8.2
[INFO] [stderr]     Checking potential_utf v0.1.4
[INFO] [stderr]     Checking icu_collections v2.1.1
[INFO] [stderr]     Checking icu_locale_core v2.1.1
[INFO] [stderr]     Checking icu_provider v2.1.1
[INFO] [stderr]     Checking icu_properties v2.1.1
[INFO] [stderr]     Checking icu_normalizer v2.1.1
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]     Checking serde_spanned v0.6.9
[INFO] [stderr]     Checking toml_datetime v0.6.11
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]     Checking url v2.5.7
[INFO] [stderr]     Checking bigdecimal v0.1.2
[INFO] [stderr]     Checking toml_edit v0.19.15
[INFO] [stderr]     Checking eventmill v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/event/mod.rs:216:72
[INFO] [stdout]     |
[INFO] [stdout] 216 |     pub fn transmute<U, B>(self, other_data: &'a U) -> DomainEventView<'_, U, B>
[INFO] [stdout]     |                                               --                       ^^ the same lifetime is elided here
[INFO] [stdout]     |                                               |
[INFO] [stdout]     |                                               the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 216 -     pub fn transmute<U, B>(self, other_data: &'a U) -> DomainEventView<'_, U, B>
[INFO] [stdout] 216 +     pub fn transmute<U, B>(self, other_data: &'a U) -> DomainEventView<'a, U, B>
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking toml v0.7.8
[INFO] [stderr]     Checking version-sync v0.9.5
[INFO] [stdout] warning: fields `pos_x` and `pos_y` are never read
[INFO] [stdout]   --> src/event/tests.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |     struct Turtle {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 82 |         id: u32,
[INFO] [stdout] 83 |         pos_x: i32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 84 |         pos_y: i32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Turtle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pos_x` and `pos_y` are never read
[INFO] [stdout]    --> src/event/tests.rs:241:9
[INFO] [stdout]     |
[INFO] [stdout] 239 |     struct Turtle {
[INFO] [stdout]     |            ------ fields in this struct
[INFO] [stdout] 240 |         id: u32,
[INFO] [stdout] 241 |         pos_x: i32,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 242 |         pos_y: i32,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Turtle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pos_x` and `pos_y` are never read
[INFO] [stdout]    --> src/event/tests.rs:282:9
[INFO] [stdout]     |
[INFO] [stdout] 280 |     struct Turtle {
[INFO] [stdout]     |            ------ fields in this struct
[INFO] [stdout] 281 |         id: u32,
[INFO] [stdout] 282 |         pos_x: i32,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 283 |         pos_y: i32,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Turtle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<event::NewEvent<Incremented, Counter>>, Infallible>
[INFO] [stdout]   --> src/dispatch/tests.rs:72:71
[INFO] [stdout]    |
[INFO] [stdout] 72 |           ) -> Result<Vec<NewEvent<Self::Event, Counter>>, Self::Error> {
[INFO] [stdout]    |  _______________________________________________________________________^
[INFO] [stdout] 73 | |             Ok(vec![NewEvent {
[INFO] [stdout] 74 | |                 aggregate_id: self.id,
[INFO] [stdout] 75 | |                 data: Incremented,
[INFO] [stdout] 76 | |             }])
[INFO] [stdout] 77 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<event::NewEvent<Incremented, Counter>>, Infallible>
[INFO] [stdout]   --> src/dispatch/tests.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 | /             Ok(vec![NewEvent {
[INFO] [stdout] 74 | |                 aggregate_id: self.id,
[INFO] [stdout] 75 | |                 data: Incremented,
[INFO] [stdout] 76 | |             }])
[INFO] [stdout]    | |_______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/event/mod.rs:216:72
[INFO] [stdout]     |
[INFO] [stdout] 216 |     pub fn transmute<U, B>(self, other_data: &'a U) -> DomainEventView<'_, U, B>
[INFO] [stdout]     |                                               --                       ^^ the same lifetime is elided here
[INFO] [stdout]     |                                               |
[INFO] [stdout]     |                                               the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 216 -     pub fn transmute<U, B>(self, other_data: &'a U) -> DomainEventView<'_, U, B>
[INFO] [stdout] 216 +     pub fn transmute<U, B>(self, other_data: &'a U) -> DomainEventView<'a, U, B>
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `eventmill` (lib test) due to 2 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "d38be4adf3fceb6fa74111b1964e42457b80141203df9d1df6b36942c139d5b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d38be4adf3fceb6fa74111b1964e42457b80141203df9d1df6b36942c139d5b8", kill_on_drop: false }`
[INFO] [stdout] d38be4adf3fceb6fa74111b1964e42457b80141203df9d1df6b36942c139d5b8
