[INFO] fetching crate synner 0.1.1...
[INFO] testing synner-0.1.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate synner 0.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate synner 0.1.1
[INFO] finished tweaking crates.io crate synner 0.1.1
[INFO] tweaked toml for crates.io crate synner 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate synner 0.1.1 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 45 packages to latest compatible versions
[INFO] [stderr]       Adding pnet v0.21.0 (available: v0.35.0)
[INFO] [stderr]       Adding pnet_base v0.21.0 (available: v0.35.0)
[INFO] [stderr]       Adding pnet_datalink v0.21.0 (available: v0.35.0)
[INFO] [stderr]       Adding pnet_packet v0.21.0 (available: v0.35.0)
[INFO] [stderr]       Adding pnet_transport v0.21.0 (available: v0.35.0)
[INFO] [stderr]       Adding rand v0.3.23 (available: v0.9.2)
[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] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5fa4b07fe2a2e68400aa62c8ea3c26537e69f45a58c3f916c1e9b54550648f69
[INFO] running `Command { std: "docker" "start" "-a" "5fa4b07fe2a2e68400aa62c8ea3c26537e69f45a58c3f916c1e9b54550648f69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fa4b07fe2a2e68400aa62c8ea3c26537e69f45a58c3f916c1e9b54550648f69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fa4b07fe2a2e68400aa62c8ea3c26537e69f45a58c3f916c1e9b54550648f69", kill_on_drop: false }`
[INFO] [stdout] 5fa4b07fe2a2e68400aa62c8ea3c26537e69f45a58c3f916c1e9b54550648f69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5971c2a41c5d9f9ceffdbf5c0a110468b6fc0c4bffa64dbd47b7adf722dc0597
[INFO] running `Command { std: "docker" "start" "-a" "5971c2a41c5d9f9ceffdbf5c0a110468b6fc0c4bffa64dbd47b7adf722dc0597", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling no-std-net v0.6.0
[INFO] [stderr]    Compiling pnet_base v0.21.0
[INFO] [stderr]    Compiling pnet v0.21.0
[INFO] [stderr]    Compiling ipnetwork v0.12.8
[INFO] [stderr]    Compiling pnet_sys v0.21.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling pnet_base v0.35.0
[INFO] [stderr]    Compiling pnet_macros_support v0.21.0
[INFO] [stderr]    Compiling pnet_datalink v0.21.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stdout] error: cannot find derive macro `RustcEncodable` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syntex_pos-0.42.0/src/lib.rs:253:45
[INFO] [stdout]     |
[INFO] [stdout] 253 | #[derive(PartialEq, Eq, Clone, Debug, Hash, RustcEncodable, RustcDecodable, Copy)]
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RustcDecodable` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syntex_pos-0.42.0/src/lib.rs:253:61
[INFO] [stdout]     |
[INFO] [stdout] 253 | #[derive(PartialEq, Eq, Clone, Debug, Hash, RustcEncodable, RustcDecodable, Copy)]
[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/syntex_pos-0.42.0/src/lib.rs:275:23
[INFO] [stdout]     |
[INFO] [stdout] 275 | #[derive(Copy, Clone, RustcEncodable, RustcDecodable, Eq, PartialEq)]
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RustcDecodable` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syntex_pos-0.42.0/src/lib.rs:275:39
[INFO] [stdout]     |
[INFO] [stdout] 275 | #[derive(Copy, Clone, RustcEncodable, RustcDecodable, Eq, PartialEq)]
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `encode` exists for struct `Vec<MultiByteChar>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syntex_pos-0.42.0/src/lib.rs:357:50
[INFO] [stdout]     |
[INFO] [stdout] 276 | pub struct MultiByteChar {
[INFO] [stdout]     | ------------------------ doesn't satisfy `MultiByteChar: Encodable`
[INFO] [stdout] ...
[INFO] [stdout] 357 |                 (*self.multibyte_chars.borrow()).encode(s)
[INFO] [stdout]     |                                                  ^^^^^^ method cannot be called on `Vec<MultiByteChar>` due to unsatisfied trait bounds
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `MultiByteChar: Encodable`
[INFO] [stdout]             which is required by `Vec<MultiByteChar>: Encodable`
[INFO] [stdout]             `MultiByteChar: Encodable`
[INFO] [stdout]             which is required by `[MultiByteChar]: Encodable`
[INFO] [stdout] note: the trait `Encodable` must be implemented
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-serialize-0.3.25/src/serialize.rs:851:1
[INFO] [stdout]     |
[INFO] [stdout] 851 | pub trait Encodable {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `MultiByteChar: Decodable` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syntex_pos-0.42.0/src/lib.rs:401:68
[INFO] [stdout]     |
[INFO] [stdout] 401 |                 try!(d.read_struct_field("multibyte_chars", 5, |d| Decodable::decode(d)));
[INFO] [stdout]     |                                                                    ^^^^^^^^^^^^^^^^^^^^ unsatisfied trait bound
[INFO] [stdout]     |
[INFO] [stdout] help: the trait `Decodable` is not implemented for `MultiByteChar`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syntex_pos-0.42.0/src/lib.rs:276:1
[INFO] [stdout]     |
[INFO] [stdout] 276 | pub struct MultiByteChar {
[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 74 others
[INFO] [stdout]     = note: required for `Vec<MultiByteChar>` to implement `Decodable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `syntex_pos` (lib) due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5971c2a41c5d9f9ceffdbf5c0a110468b6fc0c4bffa64dbd47b7adf722dc0597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5971c2a41c5d9f9ceffdbf5c0a110468b6fc0c4bffa64dbd47b7adf722dc0597", kill_on_drop: false }`
[INFO] [stdout] 5971c2a41c5d9f9ceffdbf5c0a110468b6fc0c4bffa64dbd47b7adf722dc0597
