[INFO] fetching crate crb-agent 0.0.38...
[INFO] testing crb-agent-0.0.38 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate crb-agent 0.0.38 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate crb-agent 0.0.38
[INFO] finished tweaking crates.io crate crb-agent 0.0.38
[INFO] tweaked toml for crates.io crate crb-agent 0.0.38 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate crb-agent 0.0.38 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] crate crates.io crate crb-agent 0.0.38 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 277237c634005b21203d9673ebb1b5e9138536f69ffa692760b26b2505d01223
[INFO] running `Command { std: "docker" "start" "-a" "277237c634005b21203d9673ebb1b5e9138536f69ffa692760b26b2505d01223", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "277237c634005b21203d9673ebb1b5e9138536f69ffa692760b26b2505d01223", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "277237c634005b21203d9673ebb1b5e9138536f69ffa692760b26b2505d01223", kill_on_drop: false }`
[INFO] [stdout] 277237c634005b21203d9673ebb1b5e9138536f69ffa692760b26b2505d01223
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 7f05597ab02520d8cffc31065536bf742247bc2296f78c4f5666b7bf34d89fe9
[INFO] running `Command { std: "docker" "start" "-a" "7f05597ab02520d8cffc31065536bf742247bc2296f78c4f5666b7bf34d89fe9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling sha1_smol v1.0.1
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling tokio v1.44.2
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling convert_case v0.7.1
[INFO] [stderr]    Compiling crb-send v0.0.38
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling uuid v1.16.0
[INFO] [stderr]    Compiling crb-core-std v0.0.38
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling derive_more v2.0.1
[INFO] [stderr]    Compiling crb-core v0.0.38
[INFO] [stderr]    Compiling crb-runtime v0.0.38
[INFO] [stderr]    Compiling crb-agent v0.0.38 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.04s
[INFO] running `Command { std: "docker" "inspect" "7f05597ab02520d8cffc31065536bf742247bc2296f78c4f5666b7bf34d89fe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f05597ab02520d8cffc31065536bf742247bc2296f78c4f5666b7bf34d89fe9", kill_on_drop: false }`
[INFO] [stdout] 7f05597ab02520d8cffc31065536bf742247bc2296f78c4f5666b7bf34d89fe9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b811491b6d49ea9ed6f09db32f60cbfe75adb7c4cac3d4340cb0b63e983028f
[INFO] running `Command { std: "docker" "start" "-a" "3b811491b6d49ea9ed6f09db32f60cbfe75adb7c4cac3d4340cb0b63e983028f", kill_on_drop: false }`
[INFO] [stderr]    Compiling crb-agent v0.0.38 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "3b811491b6d49ea9ed6f09db32f60cbfe75adb7c4cac3d4340cb0b63e983028f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b811491b6d49ea9ed6f09db32f60cbfe75adb7c4cac3d4340cb0b63e983028f", kill_on_drop: false }`
[INFO] [stdout] 3b811491b6d49ea9ed6f09db32f60cbfe75adb7c4cac3d4340cb0b63e983028f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5e295e96a46d6d87dfd29e0c45f63fea6ce548a75377ae8abe3f1973d5198c9a
[INFO] running `Command { std: "docker" "start" "-a" "5e295e96a46d6d87dfd29e0c45f63fea6ce548a75377ae8abe3f1973d5198c9a", kill_on_drop: false }`
[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]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/crb_agent-10b5ba519af6b9de)
[INFO] [stderr]    Doc-tests crb_agent
[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" "5e295e96a46d6d87dfd29e0c45f63fea6ce548a75377ae8abe3f1973d5198c9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e295e96a46d6d87dfd29e0c45f63fea6ce548a75377ae8abe3f1973d5198c9a", kill_on_drop: false }`
[INFO] [stdout] 5e295e96a46d6d87dfd29e0c45f63fea6ce548a75377ae8abe3f1973d5198c9a