[INFO] fetching crate tokio-icmp 0.1.0...
[INFO] testing tokio-icmp-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate tokio-icmp 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate tokio-icmp 0.1.0
[INFO] finished tweaking crates.io crate tokio-icmp 0.1.0
[INFO] tweaked toml for crates.io crate tokio-icmp 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tokio-icmp 0.1.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 83 packages to latest compatible versions
[INFO] [stderr]       Adding futures v0.1.31 (available: v0.3.31)
[INFO] [stderr]       Adding mio v0.6.23 (available: v1.0.4)
[INFO] [stderr]       Adding pnet_packet v0.21.0 (available: v0.35.0)
[INFO] [stderr]       Adding socket2 v0.3.19 (available: v0.6.0)
[INFO] [stderr]       Adding tokio v0.1.22 (available: v1.47.1)
[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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 4901a8ef2479c2d26e170dbaf6eb46265d3d5f217817331601c7f480f2e8f0d5
[INFO] running `Command { std: "docker" "start" "-a" "4901a8ef2479c2d26e170dbaf6eb46265d3d5f217817331601c7f480f2e8f0d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4901a8ef2479c2d26e170dbaf6eb46265d3d5f217817331601c7f480f2e8f0d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4901a8ef2479c2d26e170dbaf6eb46265d3d5f217817331601c7f480f2e8f0d5", kill_on_drop: false }`
[INFO] [stdout] 4901a8ef2479c2d26e170dbaf6eb46265d3d5f217817331601c7f480f2e8f0d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ed708106dd0b2c5ff1f5751f4fa7e9317f469d95f07c5e05f8572d530ae81971
[INFO] running `Command { std: "docker" "start" "-a" "ed708106dd0b2c5ff1f5751f4fa7e9317f469d95f07c5e05f8572d530ae81971", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling no-std-net v0.6.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling pnet_base v0.35.0
[INFO] [stderr]    Compiling pnet_base v0.21.0
[INFO] [stderr]    Compiling pnet_macros_support v0.21.0
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling bytes v0.4.12
[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] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[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" "ed708106dd0b2c5ff1f5751f4fa7e9317f469d95f07c5e05f8572d530ae81971", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed708106dd0b2c5ff1f5751f4fa7e9317f469d95f07c5e05f8572d530ae81971", kill_on_drop: false }`
[INFO] [stdout] ed708106dd0b2c5ff1f5751f4fa7e9317f469d95f07c5e05f8572d530ae81971
