[INFO] fetching crate cfg_mgr 0.1.0...
[INFO] testing cfg_mgr-0.1.0 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate cfg_mgr 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate cfg_mgr 0.1.0
[INFO] finished tweaking crates.io crate cfg_mgr 0.1.0
[INFO] tweaked toml for crates.io crate cfg_mgr 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cfg_mgr 0.1.0 on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "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-2026-01-20" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b482bbcb682ca30e226a2a3de63bd46966b1df892c63cb4bdd7c4ed197a2fb6a
[INFO] running `Command { std: "docker" "start" "-a" "b482bbcb682ca30e226a2a3de63bd46966b1df892c63cb4bdd7c4ed197a2fb6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b482bbcb682ca30e226a2a3de63bd46966b1df892c63cb4bdd7c4ed197a2fb6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b482bbcb682ca30e226a2a3de63bd46966b1df892c63cb4bdd7c4ed197a2fb6a", kill_on_drop: false }`
[INFO] [stdout] b482bbcb682ca30e226a2a3de63bd46966b1df892c63cb4bdd7c4ed197a2fb6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8b8d8779b169110ffcaa78df967a326bf0d75eda855ed79dee18eb03219f1b5
[INFO] running `Command { std: "docker" "start" "-a" "f8b8d8779b169110ffcaa78df967a326bf0d75eda855ed79dee18eb03219f1b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg_mgr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "f8b8d8779b169110ffcaa78df967a326bf0d75eda855ed79dee18eb03219f1b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8b8d8779b169110ffcaa78df967a326bf0d75eda855ed79dee18eb03219f1b5", kill_on_drop: false }`
[INFO] [stdout] f8b8d8779b169110ffcaa78df967a326bf0d75eda855ed79dee18eb03219f1b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c61141bb0a2585dfd8167a2e88373b7c31d42027d4d6992fac0bd776834ab39
[INFO] running `Command { std: "docker" "start" "-a" "7c61141bb0a2585dfd8167a2e88373b7c31d42027d4d6992fac0bd776834ab39", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg_mgr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "7c61141bb0a2585dfd8167a2e88373b7c31d42027d4d6992fac0bd776834ab39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c61141bb0a2585dfd8167a2e88373b7c31d42027d4d6992fac0bd776834ab39", kill_on_drop: false }`
[INFO] [stdout] 7c61141bb0a2585dfd8167a2e88373b7c31d42027d4d6992fac0bd776834ab39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a1cae8bd9a399b00ed23c211adbad0ff37d37d6124382846b9fa07b27643cc02
[INFO] running `Command { std: "docker" "start" "-a" "a1cae8bd9a399b00ed23c211adbad0ff37d37d6124382846b9fa07b27643cc02", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cfg_mgr-07ca6fe0938e678c)
[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 cfg_mgr
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 39) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 39) stdout ----
[INFO] [stdout] error[E0254]: the name `cfg_mgr` is defined multiple times
[INFO] [stdout]   --> src/lib.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | extern crate r#cfg_mgr;
[INFO] [stdout]    | ----------------------- previous import of the extern crate `cfg_mgr` here
[INFO] [stdout] 41 | use cfg_mgr;
[INFO] [stdout]    |     ^^^^^^^ `cfg_mgr` reimported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `cfg_mgr` must be defined only once in the type namespace of this module
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0254`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 39)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "a1cae8bd9a399b00ed23c211adbad0ff37d37d6124382846b9fa07b27643cc02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1cae8bd9a399b00ed23c211adbad0ff37d37d6124382846b9fa07b27643cc02", kill_on_drop: false }`
[INFO] [stdout] a1cae8bd9a399b00ed23c211adbad0ff37d37d6124382846b9fa07b27643cc02
