[INFO] cloning repository https://github.com/async-trait/bkin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/async-trait/bkin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasync-trait%2Fbkin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasync-trait%2Fbkin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 78305b8fa33146382c7b3e24a9489f0fb5670f45
[INFO] testing async-trait/bkin against beta-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasync-trait%2Fbkin" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/async-trait/bkin
[INFO] finished tweaking git repo https://github.com/async-trait/bkin
[INFO] tweaked toml for git repo https://github.com/async-trait/bkin written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/async-trait/bkin on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/async-trait/bkin 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-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing async-trait/bkin against beta-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasync-trait%2Fbkin" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/async-trait/bkin
[INFO] finished tweaking git repo https://github.com/async-trait/bkin
[INFO] tweaked toml for git repo https://github.com/async-trait/bkin written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/async-trait/bkin on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/async-trait/bkin 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-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b3444c5d16913649b5ffea2e0f961613e237afe88d87ffdf2ec17a29cbbb892
[INFO] running `Command { std: "docker" "start" "-a" "3b3444c5d16913649b5ffea2e0f961613e237afe88d87ffdf2ec17a29cbbb892", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b3444c5d16913649b5ffea2e0f961613e237afe88d87ffdf2ec17a29cbbb892", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b3444c5d16913649b5ffea2e0f961613e237afe88d87ffdf2ec17a29cbbb892", kill_on_drop: false }`
[INFO] [stdout] 3b3444c5d16913649b5ffea2e0f961613e237afe88d87ffdf2ec17a29cbbb892
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e1f4a61e69a60261016bd0c06f343f3d019e964c6fd8f27803ac188bfbc07f1
[INFO] running `Command { std: "docker" "start" "-a" "9e1f4a61e69a60261016bd0c06f343f3d019e964c6fd8f27803ac188bfbc07f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling bkin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/peer.rs:18:24
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn send(&self, data: impl AsRef<[u8]>) {}
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]  --> src/peer.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Peer {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 4 |     id: u64,
[INFO] [stdout]   |     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]  --> src/peer.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct PeerSend {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] 9 |     id: u64,
[INFO] [stdout]   |     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `PeerSend` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/peer.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct PeerRecv {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 14 |     id: u64,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PeerRecv` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "9e1f4a61e69a60261016bd0c06f343f3d019e964c6fd8f27803ac188bfbc07f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e1f4a61e69a60261016bd0c06f343f3d019e964c6fd8f27803ac188bfbc07f1", kill_on_drop: false }`
[INFO] [stdout] 9e1f4a61e69a60261016bd0c06f343f3d019e964c6fd8f27803ac188bfbc07f1
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 222fb494984c6aadf15147213400c928757b078b892df2f38a53fb3591c8327f
[INFO] running `Command { std: "docker" "start" "-a" "222fb494984c6aadf15147213400c928757b078b892df2f38a53fb3591c8327f", kill_on_drop: false }`
[INFO] [stderr]    Compiling bkin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/peer.rs:18:24
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn send(&self, data: impl AsRef<[u8]>) {}
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]  --> src/peer.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Peer {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 4 |     id: u64,
[INFO] [stdout]   |     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]  --> src/peer.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct PeerSend {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] 9 |     id: u64,
[INFO] [stdout]   |     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `PeerSend` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/peer.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct PeerRecv {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 14 |     id: u64,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PeerRecv` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/peer.rs:18:24
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn send(&self, data: impl AsRef<[u8]>) {}
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `packet`
[INFO] [stdout]   --> src/lib.rs:24:26
[INFO] [stdout]    |
[INFO] [stdout] 24 |                     Some(packet) => {}
[INFO] [stdout]    |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]  --> src/peer.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Peer {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 4 |     id: u64,
[INFO] [stdout]   |     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]  --> src/peer.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct PeerSend {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] 9 |     id: u64,
[INFO] [stdout]   |     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `PeerSend` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/peer.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct PeerRecv {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 14 |     id: u64,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PeerRecv` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "222fb494984c6aadf15147213400c928757b078b892df2f38a53fb3591c8327f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "222fb494984c6aadf15147213400c928757b078b892df2f38a53fb3591c8327f", kill_on_drop: false }`
[INFO] [stdout] 222fb494984c6aadf15147213400c928757b078b892df2f38a53fb3591c8327f
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 53f6bb1740169688ec9cde15843d3188739a2cd87f694e21ade408624788f940
[INFO] running `Command { std: "docker" "start" "-a" "53f6bb1740169688ec9cde15843d3188739a2cd87f694e21ade408624788f940", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/peer.rs:18:24
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn send(&self, data: impl AsRef<[u8]>) {}
[INFO] [stderr]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `id` is never read
[INFO] [stderr]  --> src/peer.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Peer {
[INFO] [stderr]   |            ---- field in this struct
[INFO] [stderr] 4 |     id: u64,
[INFO] [stderr]   |     ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `id` is never read
[INFO] [stderr]  --> src/peer.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub struct PeerSend {
[INFO] [stderr]   |            -------- field in this struct
[INFO] [stderr] 9 |     id: u64,
[INFO] [stderr]   |     ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `PeerSend` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `id` is never read
[INFO] [stderr]   --> src/peer.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub struct PeerRecv {
[INFO] [stderr]    |            -------- field in this struct
[INFO] [stderr] 14 |     id: u64,
[INFO] [stderr]    |     ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `PeerRecv` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `bkin` (lib) generated 4 warnings (run `cargo fix --lib -p bkin` to apply 1 suggestion)
[INFO] [stderr] warning: unused variable: `packet`
[INFO] [stderr]   --> src/lib.rs:24:26
[INFO] [stderr]    |
[INFO] [stderr] 24 |                     Some(packet) => {}
[INFO] [stderr]    |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet`
[INFO] [stderr] 
[INFO] [stderr] warning: `bkin` (lib test) generated 5 warnings (4 duplicates) (run `cargo fix --lib -p bkin --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bkin-4e453a4ff98ce2af)
[INFO] [stderr]    Doc-tests bkin
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::connect ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "53f6bb1740169688ec9cde15843d3188739a2cd87f694e21ade408624788f940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53f6bb1740169688ec9cde15843d3188739a2cd87f694e21ade408624788f940", kill_on_drop: false }`
[INFO] [stdout] 53f6bb1740169688ec9cde15843d3188739a2cd87f694e21ade408624788f940