[INFO] fetching crate rust_digits 1.0.0...
[INFO] testing rust_digits-1.0.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate rust_digits 1.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate rust_digits 1.0.0
[INFO] finished tweaking crates.io crate rust_digits 1.0.0
[INFO] tweaked toml for crates.io crate rust_digits 1.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust_digits 1.0.0 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] 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]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[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] 8392a23b36732b4597671e1cf9ff494ae7d83ccc7163fc39e85ae09e53043d19
[INFO] running `Command { std: "docker" "start" "-a" "8392a23b36732b4597671e1cf9ff494ae7d83ccc7163fc39e85ae09e53043d19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8392a23b36732b4597671e1cf9ff494ae7d83ccc7163fc39e85ae09e53043d19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8392a23b36732b4597671e1cf9ff494ae7d83ccc7163fc39e85ae09e53043d19", kill_on_drop: false }`
[INFO] [stdout] 8392a23b36732b4597671e1cf9ff494ae7d83ccc7163fc39e85ae09e53043d19
[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] ad54da6e7ce15eb4d6505a4f52dfdd13182c4d4b473b2616ed41d6e4d179aa08
[INFO] running `Command { std: "docker" "start" "-a" "ad54da6e7ce15eb4d6505a4f52dfdd13182c4d4b473b2616ed41d6e4d179aa08", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_digits v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "ad54da6e7ce15eb4d6505a4f52dfdd13182c4d4b473b2616ed41d6e4d179aa08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad54da6e7ce15eb4d6505a4f52dfdd13182c4d4b473b2616ed41d6e4d179aa08", kill_on_drop: false }`
[INFO] [stdout] ad54da6e7ce15eb4d6505a4f52dfdd13182c4d4b473b2616ed41d6e4d179aa08
[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] 1ce6ea1685766bf7772f8ff7483c8854a608e44b82f31f30d6b22833adf14821
[INFO] running `Command { std: "docker" "start" "-a" "1ce6ea1685766bf7772f8ff7483c8854a608e44b82f31f30d6b22833adf14821", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_digits v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "1ce6ea1685766bf7772f8ff7483c8854a608e44b82f31f30d6b22833adf14821", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ce6ea1685766bf7772f8ff7483c8854a608e44b82f31f30d6b22833adf14821", kill_on_drop: false }`
[INFO] [stdout] 1ce6ea1685766bf7772f8ff7483c8854a608e44b82f31f30d6b22833adf14821
[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] 41a20d5276869f762cb608c371f7591d8fd6ae9ec6e8577afd94b9ee31a9ac51
[INFO] running `Command { std: "docker" "start" "-a" "41a20d5276869f762cb608c371f7591d8fd6ae9ec6e8577afd94b9ee31a9ac51", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_digits-dce3bd5efa850a3f)
[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 rust_digits
[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" "41a20d5276869f762cb608c371f7591d8fd6ae9ec6e8577afd94b9ee31a9ac51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41a20d5276869f762cb608c371f7591d8fd6ae9ec6e8577afd94b9ee31a9ac51", kill_on_drop: false }`
[INFO] [stdout] 41a20d5276869f762cb608c371f7591d8fd6ae9ec6e8577afd94b9ee31a9ac51