[INFO] fetching crate relabuf 0.16.0...
[INFO] testing relabuf-0.16.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate relabuf 0.16.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate relabuf 0.16.0
[INFO] finished tweaking crates.io crate relabuf 0.16.0
[INFO] tweaked toml for crates.io crate relabuf 0.16.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate relabuf 0.16.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 80 packages to latest compatible versions
[INFO] [stderr]       Adding async-io v1.13.0 (available: v2.6.0)
[INFO] [stderr]       Adding backoff v0.3.0 (available: v0.4.0)
[INFO] [stderr]       Adding flume v0.10.14 (available: v0.12.0)
[INFO] [stderr]       Adding futures-lite v1.13.0 (available: v2.6.1)
[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] [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-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11fe8b120352c46761b62785203fb7389b023c29f726e25fac25920958a3ecae
[INFO] running `Command { std: "docker" "start" "-a" "11fe8b120352c46761b62785203fb7389b023c29f726e25fac25920958a3ecae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11fe8b120352c46761b62785203fb7389b023c29f726e25fac25920958a3ecae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11fe8b120352c46761b62785203fb7389b023c29f726e25fac25920958a3ecae", kill_on_drop: false }`
[INFO] [stdout] 11fe8b120352c46761b62785203fb7389b023c29f726e25fac25920958a3ecae
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43d8059c9be0a325f1844a945a4c0f80e5233aa27e9e11378193ad865d83b581
[INFO] running `Command { std: "docker" "start" "-a" "43d8059c9be0a325f1844a945a4c0f80e5233aa27e9e11378193ad865d83b581", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling futures-core v0.3.32
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling futures-io v0.3.32
[INFO] [stderr]    Compiling parking v2.2.1
[INFO] [stderr]    Compiling bitflags v2.11.1
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling async-io v2.6.0
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling rustix v0.37.28
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling futures-lite v2.6.1
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling waker-fn v1.2.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling async-lock v2.8.0
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling tokio v1.52.1
[INFO] [stderr]    Compiling futures-sink v0.3.32
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.6
[INFO] [stderr]    Compiling pin-project-internal v1.1.11
[INFO] [stderr]    Compiling pin-project v1.1.11
[INFO] [stderr]    Compiling flume v0.10.14
[INFO] [stderr]    Compiling backoff v0.3.0
[INFO] [stderr]    Compiling polling v3.11.0
[INFO] [stderr]    Compiling smol-timeout v0.6.1
[INFO] [stderr]    Compiling relabuf v0.16.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.04s
[INFO] running `Command { std: "docker" "inspect" "43d8059c9be0a325f1844a945a4c0f80e5233aa27e9e11378193ad865d83b581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43d8059c9be0a325f1844a945a4c0f80e5233aa27e9e11378193ad865d83b581", kill_on_drop: false }`
[INFO] [stdout] 43d8059c9be0a325f1844a945a4c0f80e5233aa27e9e11378193ad865d83b581
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20ef54de9262908102dc5c5710e0ac9cb73526ce86f4ba2e47803ceef27e4a39
[INFO] running `Command { std: "docker" "start" "-a" "20ef54de9262908102dc5c5710e0ac9cb73526ce86f4ba2e47803ceef27e4a39", kill_on_drop: false }`
[INFO] [stderr]    Compiling relabuf v0.16.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "20ef54de9262908102dc5c5710e0ac9cb73526ce86f4ba2e47803ceef27e4a39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20ef54de9262908102dc5c5710e0ac9cb73526ce86f4ba2e47803ceef27e4a39", kill_on_drop: false }`
[INFO] [stdout] 20ef54de9262908102dc5c5710e0ac9cb73526ce86f4ba2e47803ceef27e4a39
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a0b4a1acefd2b7b94d46505789a0692bd58a35dca9b211f3e7a1b200627ba8e1
[INFO] running `Command { std: "docker" "start" "-a" "a0b4a1acefd2b7b94d46505789a0692bd58a35dca9b211f3e7a1b200627ba8e1", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/relabuf-5ea15a8eed512f06)
[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 relabuf
[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" "a0b4a1acefd2b7b94d46505789a0692bd58a35dca9b211f3e7a1b200627ba8e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0b4a1acefd2b7b94d46505789a0692bd58a35dca9b211f3e7a1b200627ba8e1", kill_on_drop: false }`
[INFO] [stdout] a0b4a1acefd2b7b94d46505789a0692bd58a35dca9b211f3e7a1b200627ba8e1
