[INFO] fetching crate shannon-nu-system 0.111.4...
[INFO] testing shannon-nu-system-0.111.4 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate shannon-nu-system 0.111.4 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate shannon-nu-system 0.111.4
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate shannon-nu-system 0.111.4
[INFO] tweaked toml for crates.io crate shannon-nu-system 0.111.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate shannon-nu-system 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-system 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-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8cc14dd3309d20c361705d49c58604e922a06c7d0f7653c1c05648c7c88661ba
[INFO] running `Command { std: "docker" "start" "-a" "8cc14dd3309d20c361705d49c58604e922a06c7d0f7653c1c05648c7c88661ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cc14dd3309d20c361705d49c58604e922a06c7d0f7653c1c05648c7c88661ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cc14dd3309d20c361705d49c58604e922a06c7d0f7653c1c05648c7c88661ba", kill_on_drop: false }`
[INFO] [stdout] 8cc14dd3309d20c361705d49c58604e922a06c7d0f7653c1c05648c7c88661ba
[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=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] 287c2117ac7f827b5439a6a1835eb157115d0c897ddaa0985242150268b4ae48
[INFO] running `Command { std: "docker" "start" "-a" "287c2117ac7f827b5439a6a1835eb157115d0c897ddaa0985242150268b4ae48", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling bitflags v2.11.0
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling type-map v0.5.1
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.2
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling anstyle-query v1.1.5
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling iana-time-zone v0.1.65
[INFO] [stderr]    Compiling anstream v0.6.21
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling clap_lex v1.0.0
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling self_cell v1.2.2
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling procfs v0.18.0
[INFO] [stderr]    Compiling uucore v0.7.0
[INFO] [stderr]    Compiling unicode-width v0.2.2
[INFO] [stderr]    Compiling os_display v0.1.4
[INFO] [stderr]    Compiling uucore_procs v0.7.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling web-time v1.1.0
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling sysinfo v0.38.4
[INFO] [stderr]    Compiling procfs-core v0.18.0
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling tinystr v0.8.2
[INFO] [stderr]    Compiling unic-langid-impl v0.9.6
[INFO] [stderr]    Compiling unic-langid v0.9.6
[INFO] [stderr]    Compiling fluent-langneg v0.13.1
[INFO] [stderr]    Compiling intl-memoizer v0.5.3
[INFO] [stderr]    Compiling intl_pluralrules v7.0.2
[INFO] [stderr]    Compiling fluent-syntax v0.12.0
[INFO] [stderr]    Compiling terminal_size v0.4.3
[INFO] [stderr]    Compiling clap_builder v4.5.60
[INFO] [stderr]    Compiling fluent-bundle v0.16.0
[INFO] [stderr]    Compiling fluent v0.17.0
[INFO] [stderr]    Compiling clap v4.5.60
[INFO] [stderr]    Compiling shannon-nu-system v0.111.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 44.82s
[INFO] running `Command { std: "docker" "inspect" "287c2117ac7f827b5439a6a1835eb157115d0c897ddaa0985242150268b4ae48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "287c2117ac7f827b5439a6a1835eb157115d0c897ddaa0985242150268b4ae48", kill_on_drop: false }`
[INFO] [stdout] 287c2117ac7f827b5439a6a1835eb157115d0c897ddaa0985242150268b4ae48
[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=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] b22a6c6bae91a898207cb35d7b5ba303167d827569bc9d0c517a32d3c02b09eb
[INFO] running `Command { std: "docker" "start" "-a" "b22a6c6bae91a898207cb35d7b5ba303167d827569bc9d0c517a32d3c02b09eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling shannon-nu-system v0.111.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: cannot find module or crate `nu_system` in this scope
[INFO] [stdout]   --> examples/sys_demo.rs:13:25
[INFO] [stdout]    |
[INFO] [stdout] 13 |             for proc in nu_system::collect_proc(std::time::Duration::from_millis(100), false) {
[INFO] [stdout]    |                         ^^^^^^^^^ use of unresolved module or unlinked crate `nu_system`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `nu_system`, use `cargo add nu_system` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `shannon-nu-system` (example "sys_demo") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b22a6c6bae91a898207cb35d7b5ba303167d827569bc9d0c517a32d3c02b09eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b22a6c6bae91a898207cb35d7b5ba303167d827569bc9d0c517a32d3c02b09eb", kill_on_drop: false }`
[INFO] [stdout] b22a6c6bae91a898207cb35d7b5ba303167d827569bc9d0c517a32d3c02b09eb
