[INFO] fetching crate twelf 0.15.0...
[INFO] testing twelf-0.15.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate twelf 0.15.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate twelf 0.15.0
[INFO] finished tweaking crates.io crate twelf 0.15.0
[INFO] tweaked toml for crates.io crate twelf 0.15.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate twelf 0.15.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate twelf 0.15.0 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f6a9d681fdc36e422ba990372a432749afdfc2f648b3cd80aeda9fc97c19a9a
[INFO] running `Command { std: "docker" "start" "-a" "5f6a9d681fdc36e422ba990372a432749afdfc2f648b3cd80aeda9fc97c19a9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f6a9d681fdc36e422ba990372a432749afdfc2f648b3cd80aeda9fc97c19a9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f6a9d681fdc36e422ba990372a432749afdfc2f648b3cd80aeda9fc97c19a9a", kill_on_drop: false }`
[INFO] [stdout] 5f6a9d681fdc36e422ba990372a432749afdfc2f648b3cd80aeda9fc97c19a9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22db4a48d44066741d8d38aaae6146824dd8f399b8839964d660bc8298dd9b80
[INFO] running `Command { std: "docker" "start" "-a" "22db4a48d44066741d8d38aaae6146824dd8f399b8839964d660bc8298dd9b80", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.40
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling anstyle v1.0.4
[INFO] [stderr]    Compiling anstyle-query v1.0.2
[INFO] [stderr]    Compiling clap_lex v0.6.0
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling anstyle-parse v0.2.3
[INFO] [stderr]    Compiling anstream v0.6.5
[INFO] [stderr]    Compiling clap_builder v4.4.11
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling dirs v5.0.1
[INFO] [stderr]    Compiling shellexpand v3.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling config-derive v0.15.0
[INFO] [stderr]    Compiling clap v4.4.11
[INFO] [stderr]    Compiling envy v0.4.2
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling twelf v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.71s
[INFO] running `Command { std: "docker" "inspect" "22db4a48d44066741d8d38aaae6146824dd8f399b8839964d660bc8298dd9b80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22db4a48d44066741d8d38aaae6146824dd8f399b8839964d660bc8298dd9b80", kill_on_drop: false }`
[INFO] [stdout] 22db4a48d44066741d8d38aaae6146824dd8f399b8839964d660bc8298dd9b80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f738dafb7edfbccfbe7dac795a9d010ca10d327dce285709fc1f77d8163f09fb
[INFO] running `Command { std: "docker" "start" "-a" "f738dafb7edfbccfbe7dac795a9d010ca10d327dce285709fc1f77d8163f09fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling twelf v0.15.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no variant or associated item named `Json` found for enum `Layer` in the current scope
[INFO] [stdout]   --> examples/advanced_struct.rs:26:16
[INFO] [stdout]    |
[INFO] [stdout] 26 |         Layer::Json("./twelf/examples/config.json".into()),
[INFO] [stdout]    |                ^^^^ variant or associated item not found in `Layer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `Json` found for enum `Layer` in the current scope
[INFO] [stdout]   --> examples/simple_env_json.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 |         Layer::Json("./twelf/examples/config.json".into()),
[INFO] [stdout]    |                ^^^^ variant or associated item not found in `Layer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `twelf` (example "simple_env_json") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `twelf` (example "advanced_struct") due to 1 previous error
[INFO] [stdout] error[E0599]: no variant or associated item named `Toml` found for enum `Layer` in the current scope
[INFO] [stdout]   --> examples/expand.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 |         Layer::Toml("./examples/config.toml".into()),
[INFO] [stdout]    |                ^^^^ variant or associated item not found in `Layer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `twelf` (example "expand") due to 1 previous error
[INFO] [stdout] error[E0599]: no variant or associated item named `Json` found for enum `Layer` in the current scope
[INFO] [stdout]   --> tests/clap.rs:38:16
[INFO] [stdout]    |
[INFO] [stdout] 38 |         Layer::Json(JSON_TEST_FILE.into()),
[INFO] [stdout]    |                ^^^^ variant or associated item not found in `Layer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `twelf` (test "clap") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "f738dafb7edfbccfbe7dac795a9d010ca10d327dce285709fc1f77d8163f09fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f738dafb7edfbccfbe7dac795a9d010ca10d327dce285709fc1f77d8163f09fb", kill_on_drop: false }`
[INFO] [stdout] f738dafb7edfbccfbe7dac795a9d010ca10d327dce285709fc1f77d8163f09fb