[INFO] fetching crate minigrep_improved 0.1.2...
[INFO] testing minigrep_improved-0.1.2 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate minigrep_improved 0.1.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate minigrep_improved 0.1.2
[INFO] finished tweaking crates.io crate minigrep_improved 0.1.2
[INFO] tweaked toml for crates.io crate minigrep_improved 0.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate minigrep_improved 0.1.2 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate minigrep_improved 0.1.2 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-2025-10-28" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12945a7c00d3460f646b63483935c8596031742a130e6f9a928642f397ba00d4
[INFO] running `Command { std: "docker" "start" "-a" "12945a7c00d3460f646b63483935c8596031742a130e6f9a928642f397ba00d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12945a7c00d3460f646b63483935c8596031742a130e6f9a928642f397ba00d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12945a7c00d3460f646b63483935c8596031742a130e6f9a928642f397ba00d4", kill_on_drop: false }`
[INFO] [stdout] 12945a7c00d3460f646b63483935c8596031742a130e6f9a928642f397ba00d4
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5b414546dd10605b0d9569a57349423ea45bba1c3eeea8440b22b1b95d56f40
[INFO] running `Command { std: "docker" "start" "-a" "f5b414546dd10605b0d9569a57349423ea45bba1c3eeea8440b22b1b95d56f40", kill_on_drop: false }`
[INFO] [stderr]    Compiling minigrep_improved v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "f5b414546dd10605b0d9569a57349423ea45bba1c3eeea8440b22b1b95d56f40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5b414546dd10605b0d9569a57349423ea45bba1c3eeea8440b22b1b95d56f40", kill_on_drop: false }`
[INFO] [stdout] f5b414546dd10605b0d9569a57349423ea45bba1c3eeea8440b22b1b95d56f40
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bd3ff73eea26adbb01dcf1a901e4767b8da0c25a75205a1428845af06f980e1
[INFO] running `Command { std: "docker" "start" "-a" "4bd3ff73eea26adbb01dcf1a901e4767b8da0c25a75205a1428845af06f980e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling minigrep_improved v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "4bd3ff73eea26adbb01dcf1a901e4767b8da0c25a75205a1428845af06f980e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bd3ff73eea26adbb01dcf1a901e4767b8da0c25a75205a1428845af06f980e1", kill_on_drop: false }`
[INFO] [stdout] 4bd3ff73eea26adbb01dcf1a901e4767b8da0c25a75205a1428845af06f980e1
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 836de482618fcc4453376f9b91c2e79b231d74c8193143e370b024fec64ed46c
[INFO] running `Command { std: "docker" "start" "-a" "836de482618fcc4453376f9b91c2e79b231d74c8193143e370b024fec64ed46c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/minigrep_improved-a75a229fb767356d)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::case_insensitive ... ok
[INFO] [stdout] test tests::case_sensitive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/minigrep_improved-d625ae2032ff533c)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests minigrep_improved
[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] [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" "836de482618fcc4453376f9b91c2e79b231d74c8193143e370b024fec64ed46c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "836de482618fcc4453376f9b91c2e79b231d74c8193143e370b024fec64ed46c", kill_on_drop: false }`
[INFO] [stdout] 836de482618fcc4453376f9b91c2e79b231d74c8193143e370b024fec64ed46c