[INFO] fetching crate magicjson 0.0.1-alpha.9...
[INFO] testing magicjson-0.0.1-alpha.9 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate magicjson 0.0.1-alpha.9 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate magicjson 0.0.1-alpha.9
[INFO] finished tweaking crates.io crate magicjson 0.0.1-alpha.9
[INFO] tweaked toml for crates.io crate magicjson 0.0.1-alpha.9 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate magicjson 0.0.1-alpha.9 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 54 packages to latest compatible versions
[INFO] [stderr]       Adding chrono-tz v0.8.6 (available: v0.10.4)
[INFO] [stderr]       Adding env_logger v0.10.2 (available: v0.11.8)
[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] 8ca96bd4677ce138f7fcc6520e83da25456e777d4e57140e0f2d77c0d077e0b9
[INFO] running `Command { std: "docker" "start" "-a" "8ca96bd4677ce138f7fcc6520e83da25456e777d4e57140e0f2d77c0d077e0b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ca96bd4677ce138f7fcc6520e83da25456e777d4e57140e0f2d77c0d077e0b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ca96bd4677ce138f7fcc6520e83da25456e777d4e57140e0f2d77c0d077e0b9", kill_on_drop: false }`
[INFO] [stdout] 8ca96bd4677ce138f7fcc6520e83da25456e777d4e57140e0f2d77c0d077e0b9
[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] 71a8b10be76990cde4ec0ab4dfc49d1de4b10604f8bb0ee481a78b8a82bf76e8
[INFO] running `Command { std: "docker" "start" "-a" "71a8b10be76990cde4ec0ab4dfc49d1de4b10604f8bb0ee481a78b8a82bf76e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling iana-time-zone v0.1.64
[INFO] [stderr]    Compiling is-terminal v0.4.17
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling phf v0.11.3
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.1
[INFO] [stderr]    Compiling chrono-tz-build v0.2.1
[INFO] [stderr]    Compiling env_logger v0.10.2
[INFO] [stderr]    Compiling chrono-tz v0.8.6
[INFO] [stderr]    Compiling magicjson v0.0.1-alpha.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `JsonCustomType`
[INFO] [stdout]  --> src/lib.rs:8:34
[INFO] [stdout]   |
[INFO] [stdout] 8 | use objects::{JsonItem, JsonKey, JsonCustomType};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/handler.rs:221:63
[INFO] [stdout]     |
[INFO] [stdout] 221 | fn handle_custom_type<T>(json_wrapper: &mut JsonBytesWrapper, key: Option<String>) -> T where T: From<JsonItem>, T: From<JsonItem> {
[INFO] [stdout]     |                                                               ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.54s
[INFO] running `Command { std: "docker" "inspect" "71a8b10be76990cde4ec0ab4dfc49d1de4b10604f8bb0ee481a78b8a82bf76e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71a8b10be76990cde4ec0ab4dfc49d1de4b10604f8bb0ee481a78b8a82bf76e8", kill_on_drop: false }`
[INFO] [stdout] 71a8b10be76990cde4ec0ab4dfc49d1de4b10604f8bb0ee481a78b8a82bf76e8
[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] d937e771d58b3deeaae334e4fae1119698288a3815d5e07d39725b5b319db7c8
[INFO] running `Command { std: "docker" "start" "-a" "d937e771d58b3deeaae334e4fae1119698288a3815d5e07d39725b5b319db7c8", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `JsonCustomType`
[INFO] [stdout]  --> src/lib.rs:8:34
[INFO] [stdout]   |
[INFO] [stdout] 8 | use objects::{JsonItem, JsonKey, JsonCustomType};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/handler.rs:221:63
[INFO] [stdout]     |
[INFO] [stdout] 221 | fn handle_custom_type<T>(json_wrapper: &mut JsonBytesWrapper, key: Option<String>) -> T where T: From<JsonItem>, T: From<JsonItem> {
[INFO] [stdout]     |                                                               ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling magicjson v0.0.1-alpha.9 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `super::load_file`
[INFO] [stdout]  --> tests/test.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     use super::load_file;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^ no `load_file` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `dir` in this scope
[INFO] [stdout]   --> tests/test.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         dir.close().unwrap();
[INFO] [stdout]    |         ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> tests/test.rs:23:28
[INFO] [stdout]    |
[INFO] [stdout] 23 |                 assert_eq!(dict.len(), 1);
[INFO] [stdout]    |                            ^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0425, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `magicjson` (test "test") due to 3 previous errors
[INFO] [stdout] warning: unused import: `JsonCustomType`
[INFO] [stdout]  --> src/lib.rs:8:34
[INFO] [stdout]   |
[INFO] [stdout] 8 | use objects::{JsonItem, JsonKey, JsonCustomType};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/handler.rs:221:63
[INFO] [stdout]     |
[INFO] [stdout] 221 | fn handle_custom_type<T>(json_wrapper: &mut JsonBytesWrapper, key: Option<String>) -> T where T: From<JsonItem>, T: From<JsonItem> {
[INFO] [stdout]     |                                                               ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d937e771d58b3deeaae334e4fae1119698288a3815d5e07d39725b5b319db7c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d937e771d58b3deeaae334e4fae1119698288a3815d5e07d39725b5b319db7c8", kill_on_drop: false }`
[INFO] [stdout] d937e771d58b3deeaae334e4fae1119698288a3815d5e07d39725b5b319db7c8
