[INFO] fetching crate fullerror 1.0.0...
[INFO] testing fullerror-1.0.0 against beta-2026-03-05 for beta-1.95-1
[INFO] extracting crate fullerror 1.0.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate fullerror 1.0.0
[INFO] finished tweaking crates.io crate fullerror 1.0.0
[INFO] tweaked toml for crates.io crate fullerror 1.0.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fullerror 1.0.0 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 6 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.18)
[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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] c697f2b5f7622f2e38d9e13492603bac6753e77647be8fb0e3e7d440830ce48a
[INFO] running `Command { std: "docker" "start" "-a" "c697f2b5f7622f2e38d9e13492603bac6753e77647be8fb0e3e7d440830ce48a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c697f2b5f7622f2e38d9e13492603bac6753e77647be8fb0e3e7d440830ce48a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c697f2b5f7622f2e38d9e13492603bac6753e77647be8fb0e3e7d440830ce48a", kill_on_drop: false }`
[INFO] [stdout] c697f2b5f7622f2e38d9e13492603bac6753e77647be8fb0e3e7d440830ce48a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] cf632cfb896ebe08349356ec54ebe9a36e2124b02cf2a7350a7c7a341c54805a
[INFO] running `Command { std: "docker" "start" "-a" "cf632cfb896ebe08349356ec54ebe9a36e2124b02cf2a7350a7c7a341c54805a", kill_on_drop: false }`
[INFO] [stderr]    Compiling fullerror v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "cf632cfb896ebe08349356ec54ebe9a36e2124b02cf2a7350a7c7a341c54805a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf632cfb896ebe08349356ec54ebe9a36e2124b02cf2a7350a7c7a341c54805a", kill_on_drop: false }`
[INFO] [stdout] cf632cfb896ebe08349356ec54ebe9a36e2124b02cf2a7350a7c7a341c54805a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 2ba516528e102b0137b0ea816fa63766ebd78510d66df45a652f5b926c658a99
[INFO] running `Command { std: "docker" "start" "-a" "2ba516528e102b0137b0ea816fa63766ebd78510d66df45a652f5b926c658a99", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling fullerror v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `ErrVarB` is never constructed
[INFO] [stdout]   --> src/lib.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |         enum ErrA {
[INFO] [stdout]    |              ---- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 80 |             ErrVarB,
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ErrA` 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: variant `ErrVarA` is never constructed
[INFO] [stdout]   --> src/lib.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 84 |         enum ErrB {
[INFO] [stdout]    |              ---- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 88 |             ErrVarA,
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ErrB` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.77s
[INFO] running `Command { std: "docker" "inspect" "2ba516528e102b0137b0ea816fa63766ebd78510d66df45a652f5b926c658a99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ba516528e102b0137b0ea816fa63766ebd78510d66df45a652f5b926c658a99", kill_on_drop: false }`
[INFO] [stdout] 2ba516528e102b0137b0ea816fa63766ebd78510d66df45a652f5b926c658a99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 86f2db5c86692ddf34694e8856946fd5485564694e6ade142148d344f786a914
[INFO] running `Command { std: "docker" "start" "-a" "86f2db5c86692ddf34694e8856946fd5485564694e6ade142148d344f786a914", kill_on_drop: false }`
[INFO] [stderr] warning: variant `ErrVarB` is never constructed
[INFO] [stderr]   --> src/lib.rs:80:13
[INFO] [stderr]    |
[INFO] [stderr] 76 |         enum ErrA {
[INFO] [stderr]    |              ---- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 80 |             ErrVarB,
[INFO] [stderr]    |             ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ErrA` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `ErrVarA` is never constructed
[INFO] [stderr]   --> src/lib.rs:88:13
[INFO] [stderr]    |
[INFO] [stderr] 84 |         enum ErrB {
[INFO] [stderr]    |              ---- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 88 |             ErrVarA,
[INFO] [stderr]    |             ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ErrB` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `fullerror` (lib test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fullerror-5bf64fa1cfd44f24)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fullerror
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 3) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 3) stdout ----
[INFO] [stdout] error[E0107]: missing generics for struct `FullError`
[INFO] [stdout]   --> src/lib.rs:5:36
[INFO] [stdout]    |
[INFO] [stdout]  5 | fn main() -> Result<(), fullerror::FullError> {}
[INFO] [stdout]    |                                    ^^^^^^^^^ expected 1 generic argument
[INFO] [stdout]    |
[INFO] [stdout] note: struct defined here, with 1 generic parameter: `E`
[INFO] [stdout]   --> src/lib.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct FullError<E>(E);
[INFO] [stdout]    |            ^^^^^^^^^ -
[INFO] [stdout] help: add missing generic argument
[INFO] [stdout]    |
[INFO] [stdout]  5 | fn main() -> Result<(), fullerror::FullError<E>> {}
[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 E0107`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 3)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "86f2db5c86692ddf34694e8856946fd5485564694e6ade142148d344f786a914", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86f2db5c86692ddf34694e8856946fd5485564694e6ade142148d344f786a914", kill_on_drop: false }`
[INFO] [stdout] 86f2db5c86692ddf34694e8856946fd5485564694e6ade142148d344f786a914
