[INFO] cloning repository https://github.com/cyruspyre/flexon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cyruspyre/flexon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyruspyre%2Fflexon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyruspyre%2Fflexon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1d3b29016cda769d995e769aac6b2099b676ccf4
[INFO] testing cyruspyre/flexon against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyruspyre%2Fflexon" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cyruspyre/flexon
[INFO] finished tweaking git repo https://github.com/cyruspyre/flexon
[INFO] tweaked toml for git repo https://github.com/cyruspyre/flexon written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cyruspyre/flexon on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "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" "+beta-2026-03-05" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest Rust 1.95.0-beta.1 compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5978ebf0956e91ef785b2705c7cf1d6aa8fdeb3be2185abf8d67c25c07d507ec
[INFO] running `Command { std: "docker" "start" "-a" "5978ebf0956e91ef785b2705c7cf1d6aa8fdeb3be2185abf8d67c25c07d507ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5978ebf0956e91ef785b2705c7cf1d6aa8fdeb3be2185abf8d67c25c07d507ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5978ebf0956e91ef785b2705c7cf1d6aa8fdeb3be2185abf8d67c25c07d507ec", kill_on_drop: false }`
[INFO] [stdout] 5978ebf0956e91ef785b2705c7cf1d6aa8fdeb3be2185abf8d67c25c07d507ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7a3d461efce856ba843a3743bff084f447a9281faab70f64fe16e475c6fa9f7
[INFO] running `Command { std: "docker" "start" "-a" "f7a3d461efce856ba843a3743bff084f447a9281faab70f64fe16e475c6fa9f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]    Compiling simdutf8 v0.1.5
[INFO] [stderr]    Compiling flexon v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `Command { std: "docker" "inspect" "f7a3d461efce856ba843a3743bff084f447a9281faab70f64fe16e475c6fa9f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7a3d461efce856ba843a3743bff084f447a9281faab70f64fe16e475c6fa9f7", kill_on_drop: false }`
[INFO] [stdout] f7a3d461efce856ba843a3743bff084f447a9281faab70f64fe16e475c6fa9f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c4c2644f46b0ceff1f0e021a629ea2df3ed2e6f7b6194084f675473317c54bc
[INFO] running `Command { std: "docker" "start" "-a" "9c4c2644f46b0ceff1f0e021a629ea2df3ed2e6f7b6194084f675473317c54bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling flexon v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "9c4c2644f46b0ceff1f0e021a629ea2df3ed2e6f7b6194084f675473317c54bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c4c2644f46b0ceff1f0e021a629ea2df3ed2e6f7b6194084f675473317c54bc", kill_on_drop: false }`
[INFO] [stdout] 9c4c2644f46b0ceff1f0e021a629ea2df3ed2e6f7b6194084f675473317c54bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a561c3079297bdaa7a1a6ed53d69d21708f8cbcaec6177879c41ee8dd0901fa9
[INFO] running `Command { std: "docker" "start" "-a" "a561c3079297bdaa7a1a6ed53d69d21708f8cbcaec6177879c41ee8dd0901fa9", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/flexon-9d2957e2fae69f08)
[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 flexon
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test src/serde/de.rs - serde::de::from_str (line 1172) ... FAILED
[INFO] [stdout] test src/serde/de.rs - serde::de::get_from (line 1345) ... FAILED
[INFO] [stdout] test src/serde/de.rs - serde::de::from_mut_str (line 1198) ... FAILED
[INFO] [stdout] test src/serde/de.rs - serde::de::from_reader (line 1268) - compile ... ok
[INFO] [stdout] test src/parser/skip_to.rs - parser::skip_to::Parser<'a,S,C>::skip_to (line 20) ... FAILED
[INFO] [stdout] test src/parser/mod.rs - parser::Parser<'a,S,C>::parse_at_unchecked (line 249) ... ok
[INFO] [stdout] test src/parser/mod.rs - parser::Parser<'a,S,C>::new_with (line 50) ... ok
[INFO] [stdout] test src/parser/mod.rs - parser::Parser<'a,S>::new (line 1046) ... ok
[INFO] [stdout] test src/serde/de.rs - serde::de::get_from_unchecked (line 1376) ... ok
[INFO] [stdout] test src/parser/mod.rs - parser::Parser<'a,S,C>::parse_unchecked (line 154) ... ok
[INFO] [stdout] test src/parser/mod.rs - parser::Parser<'a,S,C>::with_config (line 96) ... ok
[INFO] [stdout] test src/lib.rs - parse (line 53) ... ok
[INFO] [stdout] test src/value/lazy/mod.rs - value::lazy::Value<'a>::pointer (line 303) ... ok
[INFO] [stdout] test src/serde/de.rs - serde::de::get_with_parser (line 1295) ... ok
[INFO] [stdout] test src/parser/mod.rs - parser::Parser<'a,S,C>::parse (line 124) ... ok
[INFO] [stdout] test src/lib.rs - parse_at (line 71) ... ok
[INFO] [stdout] test src/parser/mod.rs - parser::Parser<'a,S,C>::parse_at (line 187) ... ok
[INFO] [stdout] test src/value/borrowed/mod.rs - value::borrowed::Value<'a>::pointer (line 170) ... ok
[INFO] [stdout] test src/value/owned/mod.rs - value::owned::Value::pointer (line 167) ... ok
[INFO] [stdout] test src/pointer.rs - pointer::jsonp (line 78) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/serde/de.rs - serde::de::from_str (line 1172) stdout ----
[INFO] [stdout] error: cannot find derive macro `Deserialize` in this scope
[INFO] [stdout]     --> src/serde/de.rs:1176:10
[INFO] [stdout]      |
[INFO] [stdout] 1176 | #[derive(Deserialize)]
[INFO] [stdout]      |          ^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] note: `Deserialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]     --> src/serde/de.rs:1174:5
[INFO] [stdout]      |
[INFO] [stdout] 1174 | use serde::Deserialize;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Error` in module `flexon::serde`
[INFO] [stdout]     --> src/serde/de.rs:1184:25
[INFO] [stdout]      |
[INFO] [stdout] 1184 | Ok::<(), flexon::serde::Error>(())
[INFO] [stdout]      |                         ^^^^^ not found in `flexon::serde`
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]      |
[INFO] [stdout] 1171 + use std::error::Error;
[INFO] [stdout]      |
[INFO] [stdout] 1171 + use std::fmt::Error;
[INFO] [stdout]      |
[INFO] [stdout] 1171 + use std::io::Error;
[INFO] [stdout]      |
[INFO] [stdout] 1171 + use core::error::Error;
[INFO] [stdout]      |
[INFO] [stdout]      = and 1 other candidate
[INFO] [stdout] help: if you import `Error`, refer to it directly
[INFO] [stdout]      |
[INFO] [stdout] 1184 - Ok::<(), flexon::serde::Error>(())
[INFO] [stdout] 1184 + Ok::<(), Error>(())
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Book: serde::Deserialize<'de>` is not satisfied
[INFO] [stdout]     --> src/serde/de.rs:1183:18
[INFO] [stdout]      |
[INFO] [stdout] 1183 | let book: Book = flexon::from_str(json)?;
[INFO] [stdout]      |                  ^^^^^^^^^^^^^^^^^^^^^^ unsatisfied trait bound
[INFO] [stdout]      |
[INFO] [stdout] help: the trait `Deserialize<'_>` is not implemented for `Book`
[INFO] [stdout]     --> src/serde/de.rs:1177:1
[INFO] [stdout]      |
[INFO] [stdout] 1177 | struct Book {
[INFO] [stdout]      | ^^^^^^^^^^^
[INFO] [stdout]      = note: for local types consider adding `#[derive(serde::Deserialize)]` to your `Book` type
[INFO] [stdout]      = note: for types from other crates check whether the crate offers a `serde` feature flag
[INFO] [stdout]      = help: the following other types implement trait `Deserialize<'de>`:
[INFO] [stdout]                &'a Path
[INFO] [stdout]                &'a [u8]
[INFO] [stdout]                &'a str
[INFO] [stdout]                ()
[INFO] [stdout]                (T,)
[INFO] [stdout]                (T0, T1)
[INFO] [stdout]                (T0, T1, T2)
[INFO] [stdout]                (T0, T1, T2, T3)
[INFO] [stdout]              and 138 others
[INFO] [stdout] note: required by a bound in `flexon::from_str`
[INFO] [stdout]     --> src/serde/de.rs:1186:24
[INFO] [stdout]      |
[INFO] [stdout] 1186 | pub fn from_str<'a, T: Deserialize<'a>>(s: &'a str) -> Result<T> {
[INFO] [stdout]      |                        ^^^^^^^^^^^^^^^ required by this bound in `from_str`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/serde/de.rs - serde::de::get_from (line 1345) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `flexon::serde::error`
[INFO] [stdout]     --> src/serde/de.rs:1347:28
[INFO] [stdout]      |
[INFO] [stdout] 1347 | use flexon::{jsonp, serde::error::Kind};
[INFO] [stdout]      |                            ^^^^^ could not find `error` in `serde`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/serde/de.rs - serde::de::from_mut_str (line 1198) stdout ----
[INFO] [stdout] error[E0425]: cannot find type `Error` in module `flexon::serde`
[INFO] [stdout]     --> src/serde/de.rs:1206:25
[INFO] [stdout]      |
[INFO] [stdout] 1206 | Ok::<(), flexon::serde::Error>(())
[INFO] [stdout]      |                         ^^^^^ not found in `flexon::serde`
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]      |
[INFO] [stdout] 1197 + use std::error::Error;
[INFO] [stdout]      |
[INFO] [stdout] 1197 + use std::fmt::Error;
[INFO] [stdout]      |
[INFO] [stdout] 1197 + use std::io::Error;
[INFO] [stdout]      |
[INFO] [stdout] 1197 + use core::error::Error;
[INFO] [stdout]      |
[INFO] [stdout]      = and 1 other candidate
[INFO] [stdout] help: if you import `Error`, refer to it directly
[INFO] [stdout]      |
[INFO] [stdout] 1206 - Ok::<(), flexon::serde::Error>(())
[INFO] [stdout] 1206 + Ok::<(), Error>(())
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/parser/skip_to.rs - parser::skip_to::Parser<'a,S,C>::skip_to (line 20) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `tmp` in this scope
[INFO] [stdout]   --> src/parser/skip_to.rs:29:45
[INFO] [stdout]    |
[INFO] [stdout] 29 | println!("two is {}", u32::deserialize(&mut tmp)?);
[INFO] [stdout]    |                                             ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Error` in module `flexon::serde`
[INFO] [stdout]   --> src/parser/skip_to.rs:31:25
[INFO] [stdout]    |
[INFO] [stdout] 31 | Ok::<(), flexon::serde::Error>(())
[INFO] [stdout]    |                         ^^^^^ not found in `flexon::serde`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 19 + use std::error::Error;
[INFO] [stdout]    |
[INFO] [stdout] 19 + use std::fmt::Error;
[INFO] [stdout]    |
[INFO] [stdout] 19 + use std::io::Error;
[INFO] [stdout]    |
[INFO] [stdout] 19 + use core::error::Error;
[INFO] [stdout]    |
[INFO] [stdout]    = and 1 other candidate
[INFO] [stdout] help: if you import `Error`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 31 - Ok::<(), flexon::serde::Error>(())
[INFO] [stdout] 31 + Ok::<(), Error>(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/parser/skip_to.rs - parser::skip_to::Parser<'a,S,C>::skip_to (line 20)
[INFO] [stdout]     src/serde/de.rs - serde::de::from_mut_str (line 1198)
[INFO] [stdout]     src/serde/de.rs - serde::de::from_str (line 1172)
[INFO] [stdout]     src/serde/de.rs - serde::de::get_from (line 1345)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 16 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.85s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 2.01s; merged doctests compilation took 0.15s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "a561c3079297bdaa7a1a6ed53d69d21708f8cbcaec6177879c41ee8dd0901fa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a561c3079297bdaa7a1a6ed53d69d21708f8cbcaec6177879c41ee8dd0901fa9", kill_on_drop: false }`
[INFO] [stdout] a561c3079297bdaa7a1a6ed53d69d21708f8cbcaec6177879c41ee8dd0901fa9
