[INFO] fetching crate mlcr 0.2.0... [INFO] testing mlcr-0.2.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate mlcr 0.2.0 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate mlcr 0.2.0 [INFO] finished tweaking crates.io crate mlcr 0.2.0 [INFO] tweaked toml for crates.io crate mlcr 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mlcr 0.2.0 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 22 packages to latest compatible versions [INFO] [stderr] Adding crossbeam v0.2.12 (available: v0.8.4) [INFO] [stderr] Adding parking_lot v0.3.8 (available: v0.12.4) [INFO] [stderr] Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Blocking waiting for file lock on package cache [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c38485e184f506490eae223e1058368984065d539f694a0fb8c313f1f05e4336 [INFO] running `Command { std: "docker" "start" "-a" "c38485e184f506490eae223e1058368984065d539f694a0fb8c313f1f05e4336", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c38485e184f506490eae223e1058368984065d539f694a0fb8c313f1f05e4336", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c38485e184f506490eae223e1058368984065d539f694a0fb8c313f1f05e4336", kill_on_drop: false }` [INFO] [stdout] c38485e184f506490eae223e1058368984065d539f694a0fb8c313f1f05e4336 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8e67659e62bd0c583b403d007de438ff54574097708be99ac403358483b67968 [INFO] running `Command { std: "docker" "start" "-a" "8e67659e62bd0c583b403d007de438ff54574097708be99ac403358483b67968", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling owning_ref v0.2.4 [INFO] [stderr] Compiling rustc-serialize v0.3.25 [INFO] [stderr] Compiling crossbeam v0.2.12 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling thread-id v3.3.0 [INFO] [stderr] Compiling time v0.1.45 [INFO] [stderr] Compiling parking_lot_core v0.2.14 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling parking_lot v0.3.8 [INFO] [stderr] Compiling nn v0.1.6 [INFO] [stdout] error: cannot find derive macro `RustcDecodable` in this scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nn-0.1.6/src/lib.rs:187:24 [INFO] [stdout] | [INFO] [stdout] 187 | #[derive(Debug, Clone, RustcDecodable, RustcEncodable)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot find derive macro `RustcEncodable` in this scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nn-0.1.6/src/lib.rs:187:40 [INFO] [stdout] | [INFO] [stdout] 187 | #[derive(Debug, Clone, RustcDecodable, RustcEncodable)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `NN: Encodable` is not satisfied [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nn-0.1.6/src/lib.rs:269:22 [INFO] [stdout] | [INFO] [stdout] 269 | json::encode(self).ok().expect("encoding JSON failed") [INFO] [stdout] | ------------ ^^^^ unsatisfied trait bound [INFO] [stdout] | | [INFO] [stdout] | required by a bound introduced by this call [INFO] [stdout] | [INFO] [stdout] help: the trait `Encodable` is not implemented for `NN` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nn-0.1.6/src/lib.rs:188:1 [INFO] [stdout] | [INFO] [stdout] 188 | pub struct NN { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] = help: the following other types implement trait `Encodable`: [INFO] [stdout] &'a T [INFO] [stdout] () [INFO] [stdout] (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11) [INFO] [stdout] (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11) [INFO] [stdout] (T10, T11) [INFO] [stdout] (T11,) [INFO] [stdout] (T2, T3, T4, T5, T6, T7, T8, T9, T10, T11) [INFO] [stdout] (T3, T4, T5, T6, T7, T8, T9, T10, T11) [INFO] [stdout] and 75 others [INFO] [stdout] note: required by a bound in `rustc_serialize::json::encode` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-serialize-0.3.25/src/json.rs:390:18 [INFO] [stdout] | [INFO] [stdout] 390 | pub fn encode(object: &T) -> EncodeResult { [INFO] [stdout] | ^^^^^^^^^^^ required by this bound in `encode` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `NN: Decodable` is not satisfied [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nn-0.1.6/src/lib.rs:274:27 [INFO] [stdout] | [INFO] [stdout] 274 | let network: NN = json::decode(encoded).ok().expect("decoding JSON failed"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ unsatisfied trait bound [INFO] [stdout] | [INFO] [stdout] help: the trait `Decodable` is not implemented for `NN` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nn-0.1.6/src/lib.rs:188:1 [INFO] [stdout] | [INFO] [stdout] 188 | pub struct NN { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] = help: the following other types implement trait `Decodable`: [INFO] [stdout] () [INFO] [stdout] (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11) [INFO] [stdout] (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11) [INFO] [stdout] (T10, T11) [INFO] [stdout] (T11,) [INFO] [stdout] (T2, T3, T4, T5, T6, T7, T8, T9, T10, T11) [INFO] [stdout] (T3, T4, T5, T6, T7, T8, T9, T10, T11) [INFO] [stdout] (T4, T5, T6, T7, T8, T9, T10, T11) [INFO] [stdout] and 71 others [INFO] [stdout] note: required by a bound in `rustc_serialize::json::decode` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-serialize-0.3.25/src/json.rs:379:18 [INFO] [stdout] | [INFO] [stdout] 379 | pub fn decode(s: &str) -> DecodeResult { [INFO] [stdout] | ^^^^^^^^^^^ required by this bound in `decode` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `nn` (lib) due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "8e67659e62bd0c583b403d007de438ff54574097708be99ac403358483b67968", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e67659e62bd0c583b403d007de438ff54574097708be99ac403358483b67968", kill_on_drop: false }` [INFO] [stdout] 8e67659e62bd0c583b403d007de438ff54574097708be99ac403358483b67968