[INFO] fetching crate libset 0.1.6...
[INFO] testing libset-0.1.6 against beta-2026-03-05 for beta-1.95-1
[INFO] extracting crate libset 0.1.6 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate libset 0.1.6
[INFO] finished tweaking crates.io crate libset 0.1.6
[INFO] tweaked toml for crates.io crate libset 0.1.6 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libset 0.1.6 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] crate crates.io crate libset 0.1.6 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-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 889de1f313297632d5dc7f96c4478fced101754a75952d42848d159f01faeca8
[INFO] running `Command { std: "docker" "start" "-a" "889de1f313297632d5dc7f96c4478fced101754a75952d42848d159f01faeca8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "889de1f313297632d5dc7f96c4478fced101754a75952d42848d159f01faeca8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "889de1f313297632d5dc7f96c4478fced101754a75952d42848d159f01faeca8", kill_on_drop: false }`
[INFO] [stdout] 889de1f313297632d5dc7f96c4478fced101754a75952d42848d159f01faeca8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e3fec9dd2dc0a1ddc56b33646f623d94b46eb2c7d6ad4f2899599579bd0cf9aa
[INFO] running `Command { std: "docker" "start" "-a" "e3fec9dd2dc0a1ddc56b33646f623d94b46eb2c7d6ad4f2899599579bd0cf9aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling xdg v2.5.2
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling dirs v5.0.1
[INFO] [stderr]    Compiling tempfile v3.10.0
[INFO] [stderr]    Compiling atomicwrites v0.4.3
[INFO] [stderr]    Compiling libset v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.67s
[INFO] running `Command { std: "docker" "inspect" "e3fec9dd2dc0a1ddc56b33646f623d94b46eb2c7d6ad4f2899599579bd0cf9aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3fec9dd2dc0a1ddc56b33646f623d94b46eb2c7d6ad4f2899599579bd0cf9aa", kill_on_drop: false }`
[INFO] [stdout] e3fec9dd2dc0a1ddc56b33646f623d94b46eb2c7d6ad4f2899599579bd0cf9aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a3f8febbfe9a124dd28b0d100557250986488884e57aea91a8ad8ad02da3d2b2
[INFO] running `Command { std: "docker" "start" "-a" "a3f8febbfe9a124dd28b0d100557250986488884e57aea91a8ad8ad02da3d2b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libset v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "a3f8febbfe9a124dd28b0d100557250986488884e57aea91a8ad8ad02da3d2b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3f8febbfe9a124dd28b0d100557250986488884e57aea91a8ad8ad02da3d2b2", kill_on_drop: false }`
[INFO] [stdout] a3f8febbfe9a124dd28b0d100557250986488884e57aea91a8ad8ad02da3d2b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 41b536b7edba6e1f4e4eb94bb5cd622bbfa195fffb09c70ae3313b2dc2dad87d
[INFO] running `Command { std: "docker" "start" "-a" "41b536b7edba6e1f4e4eb94bb5cd622bbfa195fffb09c70ae3313b2dc2dad87d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/libset-6a0a1f13ab3de794)
[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 libset
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - Config (line 57) ... FAILED
[INFO] [stdout] test src/lib.rs - Config (line 50) ... FAILED
[INFO] [stdout] test src/lib.rs - Config (line 64) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Config (line 57) stdout ----
[INFO] [stdout] error: cannot find macro `json` in this scope
[INFO] [stdout]   --> src/lib.rs:59:27
[INFO] [stdout]    |
[INFO] [stdout] 59 | config.set_json("colors", json!({ "accent": "#7a7af9" }))?;
[INFO] [stdout]    |                           ^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `Config` in this scope
[INFO] [stdout]   --> src/lib.rs:58:14
[INFO] [stdout]    |
[INFO] [stdout] 58 | let config = Config::new("org.example.Demo", 1, None)?;
[INFO] [stdout]    |              ^^^^^^ use of undeclared type `Config`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Config (line 50) stdout ----
[INFO] [stdout] error[E0433]: cannot find type `Config` in this scope
[INFO] [stdout]   --> src/lib.rs:51:14
[INFO] [stdout]    |
[INFO] [stdout] 51 | let config = Config::new("org.example.Demo", 1, None)?;
[INFO] [stdout]    |              ^^^^^^ use of undeclared type `Config`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Config (line 64) stdout ----
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]   --> src/lib.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 | #[derive(Debug, Serialize, Deserialize)]
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Deserialize` in this scope
[INFO] [stdout]   --> src/lib.rs:65:28
[INFO] [stdout]    |
[INFO] [stdout] 65 | #[derive(Debug, Serialize, Deserialize)]
[INFO] [stdout]    |                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `config` in this scope
[INFO] [stdout]   --> src/lib.rs:67:24
[INFO] [stdout]    |
[INFO] [stdout] 67 | let settings: Colors = config.get_json("colors")?;
[INFO] [stdout]    |                        ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 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/lib.rs - Config (line 50)
[INFO] [stdout]     src/lib.rs - Config (line 57)
[INFO] [stdout]     src/lib.rs - Config (line 64)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.36s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "41b536b7edba6e1f4e4eb94bb5cd622bbfa195fffb09c70ae3313b2dc2dad87d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41b536b7edba6e1f4e4eb94bb5cd622bbfa195fffb09c70ae3313b2dc2dad87d", kill_on_drop: false }`
[INFO] [stdout] 41b536b7edba6e1f4e4eb94bb5cd622bbfa195fffb09c70ae3313b2dc2dad87d
