[INFO] fetching crate shannon-nu-engine 0.111.4...
[INFO] testing shannon-nu-engine-0.111.4 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate shannon-nu-engine 0.111.4 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate shannon-nu-engine 0.111.4
[INFO] finished tweaking crates.io crate shannon-nu-engine 0.111.4
[INFO] tweaked toml for crates.io crate shannon-nu-engine 0.111.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate shannon-nu-engine 0.111.4 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate shannon-nu-engine 0.111.4 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7e871997f53c3ddc2def8bbc82cfe6563fbf43bd3853892daab3b584be34018
[INFO] running `Command { std: "docker" "start" "-a" "a7e871997f53c3ddc2def8bbc82cfe6563fbf43bd3853892daab3b584be34018", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7e871997f53c3ddc2def8bbc82cfe6563fbf43bd3853892daab3b584be34018", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7e871997f53c3ddc2def8bbc82cfe6563fbf43bd3853892daab3b584be34018", kill_on_drop: false }`
[INFO] [stdout] a7e871997f53c3ddc2def8bbc82cfe6563fbf43bd3853892daab3b584be34018
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f70c14985c444c3d4f273b38fccfc1a44ec443383a58f0b1aea1917dc1968f6e
[INFO] running `Command { std: "docker" "start" "-a" "f70c14985c444c3d4f273b38fccfc1a44ec443383a58f0b1aea1917dc1968f6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.178
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[INFO] [stderr]    Compiling nu-ansi-term v0.50.3
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[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling num-format v0.4.4
[INFO] [stderr]    Compiling lean_string v0.5.1
[INFO] [stderr]    Compiling strip-ansi-escapes v0.2.1
[INFO] [stderr]    Compiling textwrap v0.16.2
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling pwd v1.4.0
[INFO] [stderr]    Compiling lscolors v0.21.0
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[INFO] [stderr]    Compiling dirs v6.0.0
[INFO] [stderr]    Compiling byteyarn v0.5.1
[INFO] [stderr]    Compiling sysinfo v0.38.4
[INFO] [stderr]    Compiling typetag-impl v0.2.21
[INFO] [stderr]    Compiling miette-derive v7.6.0
[INFO] [stderr]    Compiling web-time v1.1.0
[INFO] [stderr]    Compiling supports-unicode v3.0.0
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling inventory v0.3.22
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[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling unicase v2.9.0
[INFO] [stderr]    Compiling sys-locale v0.3.2
[INFO] [stderr]    Compiling shannon-nu-path v0.111.4
[INFO] [stderr]    Compiling terminal_size v0.4.3
[INFO] [stderr]    Compiling crossterm v0.29.0
[INFO] [stderr]    Compiling shannon-nu-derive-value v0.111.4
[INFO] [stderr]    Compiling strum_macros v0.27.2
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling clap_builder v4.5.60
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling shannon-nu-experimental v0.111.4
[INFO] [stderr]    Compiling lru v0.16.3
[INFO] [stderr]    Compiling os_pipe v1.2.3
[INFO] [stderr]    Compiling strum v0.27.2
[INFO] [stderr]    Compiling shannon-nu-glob v0.111.4
[INFO] [stderr]    Compiling bytes v1.11.1
[INFO] [stderr]    Compiling miette v7.6.0
[INFO] [stderr]    Compiling procfs-core v0.18.0
[INFO] [stderr]    Compiling chrono-humanize v0.2.3
[INFO] [stderr]    Compiling fancy-regex v0.17.0
[INFO] [stderr]    Compiling clap v4.5.60
[INFO] [stderr]    Compiling shannon-nu-utils v0.111.4
[INFO] [stderr]    Compiling shannon-nu-system v0.111.4
[INFO] [stderr]    Compiling shannon-nu-protocol v0.111.4
[INFO] [stderr]    Compiling shannon-nu-engine v0.111.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 48.86s
[INFO] running `Command { std: "docker" "inspect" "f70c14985c444c3d4f273b38fccfc1a44ec443383a58f0b1aea1917dc1968f6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f70c14985c444c3d4f273b38fccfc1a44ec443383a58f0b1aea1917dc1968f6e", kill_on_drop: false }`
[INFO] [stdout] f70c14985c444c3d4f273b38fccfc1a44ec443383a58f0b1aea1917dc1968f6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3cbea0d8133dc448db1ad1dd528dcfb88993e7579c53f7821f56e47ef4c583e
[INFO] running `Command { std: "docker" "start" "-a" "e3cbea0d8133dc448db1ad1dd528dcfb88993e7579c53f7821f56e47ef4c583e", kill_on_drop: false }`
[INFO] [stderr]    Compiling shannon-nu-engine v0.111.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.96s
[INFO] running `Command { std: "docker" "inspect" "e3cbea0d8133dc448db1ad1dd528dcfb88993e7579c53f7821f56e47ef4c583e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3cbea0d8133dc448db1ad1dd528dcfb88993e7579c53f7821f56e47ef4c583e", kill_on_drop: false }`
[INFO] [stdout] e3cbea0d8133dc448db1ad1dd528dcfb88993e7579c53f7821f56e47ef4c583e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e7eb34ba4a6a6cbf2c6afd23f08dfc8bc9505313e0c9397f4d90369262d6a432
[INFO] running `Command { std: "docker" "start" "-a" "e7eb34ba4a6a6cbf2c6afd23f08dfc8bc9505313e0c9397f4d90369262d6a432", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/shannon_nu_engine-2814990973d03196)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test documentation::tests::test_code_formatting ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests shannon_nu_engine
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/closure_eval.rs - closure_eval::ClosureEvalOnce (line 185) - compile ... FAILED
[INFO] [stdout] test src/closure_eval.rs - closure_eval::ClosureEval (line 31) - compile ... FAILED
[INFO] [stdout] test src/closure_eval.rs - closure_eval::ClosureEvalOnce (line 170) - compile ... FAILED
[INFO] [stdout] test src/closure_eval.rs - closure_eval::ClosureEval (line 46) - compile ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/closure_eval.rs - closure_eval::ClosureEvalOnce (line 185) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `nu_engine`
[INFO] [stdout]    --> src/closure_eval.rs:187:5
[INFO] [stdout]     |
[INFO] [stdout] 187 | use nu_engine::ClosureEvalOnce;
[INFO] [stdout]     |     ^^^^^^^^^ use of unresolved module or unlinked crate `nu_engine`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `nu_engine`, use `cargo add nu_engine` to add it to your `Cargo.toml`
[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/closure_eval.rs - closure_eval::ClosureEval (line 31) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `nu_engine`
[INFO] [stdout]   --> src/closure_eval.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | use nu_engine::ClosureEval;
[INFO] [stdout]    |     ^^^^^^^^^ use of unresolved module or unlinked crate `nu_engine`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `nu_engine`, use `cargo add nu_engine` to add it to your `Cargo.toml`
[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/closure_eval.rs - closure_eval::ClosureEvalOnce (line 170) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `nu_engine`
[INFO] [stdout]    --> src/closure_eval.rs:172:5
[INFO] [stdout]     |
[INFO] [stdout] 172 | use nu_engine::ClosureEvalOnce;
[INFO] [stdout]     |     ^^^^^^^^^ use of unresolved module or unlinked crate `nu_engine`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `nu_engine`, use `cargo add nu_engine` to add it to your `Cargo.toml`
[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/closure_eval.rs - closure_eval::ClosureEval (line 46) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `nu_engine`
[INFO] [stdout]   --> src/closure_eval.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | use nu_engine::ClosureEval;
[INFO] [stdout]    |     ^^^^^^^^^ use of unresolved module or unlinked crate `nu_engine`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `nu_engine`, use `cargo add nu_engine` to add it to your `Cargo.toml`
[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] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/closure_eval.rs - closure_eval::ClosureEval (line 31)
[INFO] [stdout]     src/closure_eval.rs - closure_eval::ClosureEval (line 46)
[INFO] [stdout]     src/closure_eval.rs - closure_eval::ClosureEvalOnce (line 170)
[INFO] [stdout]     src/closure_eval.rs - closure_eval::ClosureEvalOnce (line 185)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.33s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.44s; merged doctests compilation took 0.11s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "e7eb34ba4a6a6cbf2c6afd23f08dfc8bc9505313e0c9397f4d90369262d6a432", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7eb34ba4a6a6cbf2c6afd23f08dfc8bc9505313e0c9397f4d90369262d6a432", kill_on_drop: false }`
[INFO] [stdout] e7eb34ba4a6a6cbf2c6afd23f08dfc8bc9505313e0c9397f4d90369262d6a432
