[INFO] fetching crate shadow-core 0.1.0...
[INFO] testing shadow-core-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate shadow-core 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate shadow-core 0.1.0
[INFO] finished tweaking crates.io crate shadow-core 0.1.0
[INFO] tweaked toml for crates.io crate shadow-core 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate shadow-core 0.1.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate shadow-core 0.1.0 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c0de1a8d826de4d1fa58e36c072aac851d622529546f1001269623e4d142169
[INFO] running `Command { std: "docker" "start" "-a" "5c0de1a8d826de4d1fa58e36c072aac851d622529546f1001269623e4d142169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c0de1a8d826de4d1fa58e36c072aac851d622529546f1001269623e4d142169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c0de1a8d826de4d1fa58e36c072aac851d622529546f1001269623e4d142169", kill_on_drop: false }`
[INFO] [stdout] 5c0de1a8d826de4d1fa58e36c072aac851d622529546f1001269623e4d142169
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 442edc0aa626e85c6f7c3392a4a9e96324fb5d7d4e382d8ec8ea2e29e57647fd
[INFO] running `Command { std: "docker" "start" "-a" "442edc0aa626e85c6f7c3392a4a9e96324fb5d7d4e382d8ec8ea2e29e57647fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling cc v1.2.55
[INFO] [stderr]    Compiling zmij v1.0.19
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling socket2 v0.6.2
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling blake3 v1.8.3
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling bytes v1.11.0
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling tokio v1.49.0
[INFO] [stderr]    Compiling shadow-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `bytes::Bytes`
[INFO] [stdout]   --> src/peer.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |         use bytes::Bytes;
[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 import: `std::collections::hash_map::RandomState`
[INFO] [stdout]    --> src/peer.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 188 |     use std::collections::hash_map::RandomState;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BuildHasher`, `Hash`, and `Hasher`
[INFO] [stdout]    --> src/peer.rs:189:21
[INFO] [stdout]     |
[INFO] [stdout] 189 |     use std::hash::{BuildHasher, Hash, Hasher};
[INFO] [stdout]     |                     ^^^^^^^^^^^  ^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bytes::Bytes`
[INFO] [stdout]  --> src/transport.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use bytes::Bytes;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PeerId`
[INFO] [stdout]  --> src/transport.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::peer::{PeerId, PeerInfo};
[INFO] [stdout]   |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.12s
[INFO] running `Command { std: "docker" "inspect" "442edc0aa626e85c6f7c3392a4a9e96324fb5d7d4e382d8ec8ea2e29e57647fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "442edc0aa626e85c6f7c3392a4a9e96324fb5d7d4e382d8ec8ea2e29e57647fd", kill_on_drop: false }`
[INFO] [stdout] 442edc0aa626e85c6f7c3392a4a9e96324fb5d7d4e382d8ec8ea2e29e57647fd
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a627a13fab6ef016c06ec6de3551941b16e600ffca4f23af20c835643a06d7a0
[INFO] running `Command { std: "docker" "start" "-a" "a627a13fab6ef016c06ec6de3551941b16e600ffca4f23af20c835643a06d7a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling shadow-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `bytes::Bytes`
[INFO] [stdout]   --> src/peer.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |         use bytes::Bytes;
[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 import: `std::collections::hash_map::RandomState`
[INFO] [stdout]    --> src/peer.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 188 |     use std::collections::hash_map::RandomState;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BuildHasher`, `Hash`, and `Hasher`
[INFO] [stdout]    --> src/peer.rs:189:21
[INFO] [stdout]     |
[INFO] [stdout] 189 |     use std::hash::{BuildHasher, Hash, Hasher};
[INFO] [stdout]     |                     ^^^^^^^^^^^  ^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bytes::Bytes`
[INFO] [stdout]  --> src/transport.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use bytes::Bytes;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PeerId`
[INFO] [stdout]  --> src/transport.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::peer::{PeerId, PeerInfo};
[INFO] [stdout]   |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bytes::Bytes`
[INFO] [stdout]   --> src/peer.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |         use bytes::Bytes;
[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 import: `std::collections::hash_map::RandomState`
[INFO] [stdout]    --> src/peer.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 188 |     use std::collections::hash_map::RandomState;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BuildHasher`, `Hash`, and `Hasher`
[INFO] [stdout]    --> src/peer.rs:189:21
[INFO] [stdout]     |
[INFO] [stdout] 189 |     use std::hash::{BuildHasher, Hash, Hasher};
[INFO] [stdout]     |                     ^^^^^^^^^^^  ^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bytes::Bytes`
[INFO] [stdout]  --> src/transport.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use bytes::Bytes;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PeerId`
[INFO] [stdout]  --> src/transport.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::peer::{PeerId, PeerInfo};
[INFO] [stdout]   |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "a627a13fab6ef016c06ec6de3551941b16e600ffca4f23af20c835643a06d7a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a627a13fab6ef016c06ec6de3551941b16e600ffca4f23af20c835643a06d7a0", kill_on_drop: false }`
[INFO] [stdout] a627a13fab6ef016c06ec6de3551941b16e600ffca4f23af20c835643a06d7a0
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0c46fb5d87bf2eec404f4dd8e644dc0d1599eafb191e13a14376db946d97df33
[INFO] running `Command { std: "docker" "start" "-a" "0c46fb5d87bf2eec404f4dd8e644dc0d1599eafb191e13a14376db946d97df33", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `bytes::Bytes`
[INFO] [stderr]   --> src/peer.rs:12:13
[INFO] [stderr]    |
[INFO] [stderr] 12 |         use bytes::Bytes;
[INFO] [stderr]    |             ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::hash_map::RandomState`
[INFO] [stderr]    --> src/peer.rs:188:9
[INFO] [stderr]     |
[INFO] [stderr] 188 |     use std::collections::hash_map::RandomState;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BuildHasher`, `Hash`, and `Hasher`
[INFO] [stderr]    --> src/peer.rs:189:21
[INFO] [stderr]     |
[INFO] [stderr] 189 |     use std::hash::{BuildHasher, Hash, Hasher};
[INFO] [stderr]     |                     ^^^^^^^^^^^  ^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `bytes::Bytes`
[INFO] [stderr]  --> src/transport.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use bytes::Bytes;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `PeerId`
[INFO] [stderr]  --> src/transport.rs:8:19
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::peer::{PeerId, PeerInfo};
[INFO] [stderr]   |                   ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `shadow-core` (lib) generated 5 warnings (run `cargo fix --lib -p shadow-core` to apply 5 suggestions)
[INFO] [stderr] warning: `shadow-core` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/shadow_core-3a13e79d0f190ee1)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests shadow_core
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0c46fb5d87bf2eec404f4dd8e644dc0d1599eafb191e13a14376db946d97df33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c46fb5d87bf2eec404f4dd8e644dc0d1599eafb191e13a14376db946d97df33", kill_on_drop: false }`
[INFO] [stdout] 0c46fb5d87bf2eec404f4dd8e644dc0d1599eafb191e13a14376db946d97df33
