[INFO] fetching crate markov-generator 0.2.0... [INFO] testing markov-generator-0.2.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate markov-generator 0.2.0 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate markov-generator 0.2.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate markov-generator 0.2.0 [INFO] tweaked toml for crates.io crate markov-generator 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate markov-generator 0.2.0 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 markov-generator 0.2.0 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-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] 7505820d27afec360525f6625e5531d38bb6184b2af110d600dccc876bbac4df [INFO] running `Command { std: "docker" "start" "-a" "7505820d27afec360525f6625e5531d38bb6184b2af110d600dccc876bbac4df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7505820d27afec360525f6625e5531d38bb6184b2af110d600dccc876bbac4df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7505820d27afec360525f6625e5531d38bb6184b2af110d600dccc876bbac4df", kill_on_drop: false }` [INFO] [stdout] 7505820d27afec360525f6625e5531d38bb6184b2af110d600dccc876bbac4df [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] ac562766b2d3a10a5cd6f26aa2500aba800171605cb9477ec479e310d2b2ad0a [INFO] running `Command { std: "docker" "start" "-a" "ac562766b2d3a10a5cd6f26aa2500aba800171605cb9477ec479e310d2b2ad0a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.152 [INFO] [stderr] Compiling proc-macro2 v1.0.76 [INFO] [stderr] Compiling serde v1.0.195 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.48 [INFO] [stderr] Compiling getrandom v0.2.12 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling serde_derive v1.0.195 [INFO] [stderr] Compiling markov-generator v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.88s [INFO] running `Command { std: "docker" "inspect" "ac562766b2d3a10a5cd6f26aa2500aba800171605cb9477ec479e310d2b2ad0a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac562766b2d3a10a5cd6f26aa2500aba800171605cb9477ec479e310d2b2ad0a", kill_on_drop: false }` [INFO] [stdout] ac562766b2d3a10a5cd6f26aa2500aba800171605cb9477ec479e310d2b2ad0a [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] f1fc5bee3c9f8401f440bf929d29c5fcdb3a16cb299f864adf756967f49a7512 [INFO] running `Command { std: "docker" "start" "-a" "f1fc5bee3c9f8401f440bf929d29c5fcdb3a16cb299f864adf756967f49a7512", kill_on_drop: false }` [INFO] [stderr] Compiling markov-generator v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s [INFO] running `Command { std: "docker" "inspect" "f1fc5bee3c9f8401f440bf929d29c5fcdb3a16cb299f864adf756967f49a7512", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f1fc5bee3c9f8401f440bf929d29c5fcdb3a16cb299f864adf756967f49a7512", kill_on_drop: false }` [INFO] [stdout] f1fc5bee3c9f8401f440bf929d29c5fcdb3a16cb299f864adf756967f49a7512 [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] 72e7df0b0dbb6ed4660f9ad1148b93a68e4fbdd9a19cf24e2ae75918f5d48b9a [INFO] running `Command { std: "docker" "start" "-a" "72e7df0b0dbb6ed4660f9ad1148b93a68e4fbdd9a19cf24e2ae75918f5d48b9a", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/markov_generator-4e5db1470a84be06) [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 markov_generator [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 37) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.59s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "72e7df0b0dbb6ed4660f9ad1148b93a68e4fbdd9a19cf24e2ae75918f5d48b9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "72e7df0b0dbb6ed4660f9ad1148b93a68e4fbdd9a19cf24e2ae75918f5d48b9a", kill_on_drop: false }` [INFO] [stdout] 72e7df0b0dbb6ed4660f9ad1148b93a68e4fbdd9a19cf24e2ae75918f5d48b9a