[INFO] fetching crate otter 1.2.1...
[INFO] testing otter-1.2.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate otter 1.2.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate otter 1.2.1
[INFO] finished tweaking crates.io crate otter 1.2.1
[INFO] tweaked toml for crates.io crate otter 1.2.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate otter 1.2.1 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate otter 1.2.1 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd67d5c162c165a419d03c8773e3981efab37e009827e708cb9e709f6704d8ef
[INFO] running `Command { std: "docker" "start" "-a" "dd67d5c162c165a419d03c8773e3981efab37e009827e708cb9e709f6704d8ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd67d5c162c165a419d03c8773e3981efab37e009827e708cb9e709f6704d8ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd67d5c162c165a419d03c8773e3981efab37e009827e708cb9e709f6704d8ef", kill_on_drop: false }`
[INFO] [stdout] dd67d5c162c165a419d03c8773e3981efab37e009827e708cb9e709f6704d8ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87dc27ac96adcae3781cf9276a381eb18ef4e1dc3cfc1743bd1b15d44fdff372
[INFO] running `Command { std: "docker" "start" "-a" "87dc27ac96adcae3781cf9276a381eb18ef4e1dc3cfc1743bd1b15d44fdff372", kill_on_drop: false }`
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[INFO] [stderr]    Compiling tera v1.16.0
[INFO] [stderr]    Compiling otter-base v1.2.1
[INFO] [stderr]    Compiling otter-support v1.2.1
[INFO] [stderr]    Compiling zstd v0.10.2+zstd.1.5.2
[INFO] [stderr]    Compiling zip v0.6.2
[INFO] [stderr]    Compiling otter v1.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0659]: `Error` is ambiguous
[INFO] [stdout]     --> src/global.rs:1490:8
[INFO] [stdout]      |
[INFO] [stdout] 1490 |     E: Error,
[INFO] [stdout]      |        ^^^^^ ambiguous name
[INFO] [stdout]      |
[INFO] [stdout]      = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `Error` could refer to the trait imported here
[INFO] [stdout]     --> src/prelude.rs:31:9
[INFO] [stdout]      |
[INFO] [stdout]   31 | pub use crate::imports::*;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]      = help: consider adding an explicit import of `Error` to disambiguate
[INFO] [stdout] note: `Error` could also refer to the enum imported here
[INFO] [stdout]     --> src/prelude.rs:37:9
[INFO] [stdout]      |
[INFO] [stdout]   37 | pub use otter_support::imports::*;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      = help: consider adding an explicit import of `Error` to disambiguate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `Error` is ambiguous
[INFO] [stdout]    --> src/updates.rs:476:30
[INFO] [stdout]     |
[INFO] [stdout] 476 |   pub fn try_map<NS2, ZC2, E:Error,
[INFO] [stdout]     |                              ^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `Error` could refer to the trait imported here
[INFO] [stdout]    --> src/prelude.rs:31:9
[INFO] [stdout]     |
[INFO] [stdout]  31 | pub use crate::imports::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `Error` to disambiguate
[INFO] [stdout] note: `Error` could also refer to the enum imported here
[INFO] [stdout]    --> src/prelude.rs:37:9
[INFO] [stdout]     |
[INFO] [stdout]  37 | pub use otter_support::imports::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `Error` to disambiguate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/imports.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub use crate::fastsplit::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^ the name `RefTraitObjectPieceTraitExt` in the type namespace is first re-exported here
[INFO] [stdout] 91 | pub use crate::gamestate::*;
[INFO] [stdout]    |         ------------------- but the name `RefTraitObjectPieceTraitExt` in the type namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/prelude.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub use crate::imports::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ the name `Error` in the type namespace is first re-exported here
[INFO] [stdout] ...
[INFO] [stdout] 37 | pub use otter_support::imports::*;
[INFO] [stdout]    |         ------------------------- but the name `Error` in the type namespace is also re-exported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/gamestate.rs:133:43
[INFO] [stdout]     |
[INFO] [stdout] 133 |         if s.as_bytes().iter().all(|&c:&u8| (
[INFO] [stdout]     |  ___________________________________________^
[INFO] [stdout] 134 | |         c.is_ascii_alphanumeric() ||
[INFO] [stdout]     | |________^
[INFO] [stdout] 135 |           b"-_. ()".contains(&c)
[INFO] [stdout]     |  _______________________________^
[INFO] [stdout] 136 | |       )) {
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 133 ~       if s.as_bytes().iter().all(|&c:&u8| c.is_ascii_alphanumeric() ||
[INFO] [stdout] 134 ~         b"-_. ()".contains(&c)) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]     --> src/hidden.rs:1004:7
[INFO] [stdout]      |
[INFO] [stdout] 1004 |     (|| (
[INFO] [stdout]      |  _______^
[INFO] [stdout] 1005 | |     (||{
[INFO] [stdout]      | |____^
[INFO] [stdout] ...
[INFO] [stdout] 1029 |       })
[INFO] [stdout]      |  _______^
[INFO] [stdout] 1030 | |   ))()?;
[INFO] [stdout]      | |___^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1004 ~   (|| (||{
[INFO] [stdout] 1005 |       let ogpc = gpieces.get_mut(occulter).ok_or_else(
[INFO] [stdout]  ...
[INFO] [stdout] 1027 |       e
[INFO] [stdout] 1028 ~     }))()?;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/global.rs:1290:9
[INFO] [stdout]      |
[INFO] [stdout] 1290 |     for mut p in gs.pieces.values_mut() {
[INFO] [stdout]      |         ----^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0659`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `otter` (lib) due to 2 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "87dc27ac96adcae3781cf9276a381eb18ef4e1dc3cfc1743bd1b15d44fdff372", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87dc27ac96adcae3781cf9276a381eb18ef4e1dc3cfc1743bd1b15d44fdff372", kill_on_drop: false }`
[INFO] [stdout] 87dc27ac96adcae3781cf9276a381eb18ef4e1dc3cfc1743bd1b15d44fdff372
