[INFO] fetching crate darc 0.0.2...
[INFO] testing darc-0.0.2 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate darc 0.0.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate darc 0.0.2
[INFO] finished tweaking crates.io crate darc 0.0.2
[INFO] tweaked toml for crates.io crate darc 0.0.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate darc 0.0.2 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]      Locking 52 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.2.11 (available: v0.7.0)
[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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 3daf43bbc3b656fccc2a4e41878fb357838364e7ca73161260de1aa4d62d758a
[INFO] running `Command { std: "docker" "start" "-a" "3daf43bbc3b656fccc2a4e41878fb357838364e7ca73161260de1aa4d62d758a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3daf43bbc3b656fccc2a4e41878fb357838364e7ca73161260de1aa4d62d758a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3daf43bbc3b656fccc2a4e41878fb357838364e7ca73161260de1aa4d62d758a", kill_on_drop: false }`
[INFO] [stdout] 3daf43bbc3b656fccc2a4e41878fb357838364e7ca73161260de1aa4d62d758a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 6ab6760008d4fc81553c4fbe2cb7bb9d59d6e41b124a5e6d6624d8ee93626745
[INFO] running `Command { std: "docker" "start" "-a" "6ab6760008d4fc81553c4fbe2cb7bb9d59d6e41b124a5e6d6624d8ee93626745", kill_on_drop: false }`
[INFO] [stderr]    Compiling darc v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "6ab6760008d4fc81553c4fbe2cb7bb9d59d6e41b124a5e6d6624d8ee93626745", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ab6760008d4fc81553c4fbe2cb7bb9d59d6e41b124a5e6d6624d8ee93626745", kill_on_drop: false }`
[INFO] [stdout] 6ab6760008d4fc81553c4fbe2cb7bb9d59d6e41b124a5e6d6624d8ee93626745
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 39be474a6ba9ce39bee973b752b32ea1786c73282e153f2534951bf32f22c09f
[INFO] running `Command { std: "docker" "start" "-a" "39be474a6ba9ce39bee973b752b32ea1786c73282e153f2534951bf32f22c09f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling csv-core v0.1.12
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stderr]    Compiling criterion-plot v0.3.1
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling darc v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 14.09s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "39be474a6ba9ce39bee973b752b32ea1786c73282e153f2534951bf32f22c09f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39be474a6ba9ce39bee973b752b32ea1786c73282e153f2534951bf32f22c09f", kill_on_drop: false }`
[INFO] [stdout] 39be474a6ba9ce39bee973b752b32ea1786c73282e153f2534951bf32f22c09f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1e8c83f1e1952baf4dc3c67885238238035c16a65150fdf11053dfd15497919c
[INFO] running `Command { std: "docker" "start" "-a" "1e8c83f1e1952baf4dc3c67885238238035c16a65150fdf11053dfd15497919c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/darc-ebaea917c9221572)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests darc
[INFO] [stdout] test result: ok. 0 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" "1e8c83f1e1952baf4dc3c67885238238035c16a65150fdf11053dfd15497919c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e8c83f1e1952baf4dc3c67885238238035c16a65150fdf11053dfd15497919c", kill_on_drop: false }`
[INFO] [stdout] 1e8c83f1e1952baf4dc3c67885238238035c16a65150fdf11053dfd15497919c