[INFO] fetching crate possibly 1.0.0...
[INFO] testing possibly-1.0.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate possibly 1.0.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate possibly 1.0.0
[INFO] finished tweaking crates.io crate possibly 1.0.0
[INFO] tweaked toml for crates.io crate possibly 1.0.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate possibly 1.0.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-2026-04-21" "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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7311d4bb8511a3ae88512a9073949d8cfc48ce135f156da1fc791b6aefef9209
[INFO] running `Command { std: "docker" "start" "-a" "7311d4bb8511a3ae88512a9073949d8cfc48ce135f156da1fc791b6aefef9209", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7311d4bb8511a3ae88512a9073949d8cfc48ce135f156da1fc791b6aefef9209", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7311d4bb8511a3ae88512a9073949d8cfc48ce135f156da1fc791b6aefef9209", kill_on_drop: false }`
[INFO] [stdout] 7311d4bb8511a3ae88512a9073949d8cfc48ce135f156da1fc791b6aefef9209
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d0acca303c5ba0696d4b84caa57415cf84299121a30101f99b6504c9d2021b6
[INFO] running `Command { std: "docker" "start" "-a" "1d0acca303c5ba0696d4b84caa57415cf84299121a30101f99b6504c9d2021b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling possibly v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "1d0acca303c5ba0696d4b84caa57415cf84299121a30101f99b6504c9d2021b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d0acca303c5ba0696d4b84caa57415cf84299121a30101f99b6504c9d2021b6", kill_on_drop: false }`
[INFO] [stdout] 1d0acca303c5ba0696d4b84caa57415cf84299121a30101f99b6504c9d2021b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dcdd25fbc9de38f388ec0132bf2fdf2404d19d9ae416ac3bbf748e5805017657
[INFO] running `Command { std: "docker" "start" "-a" "dcdd25fbc9de38f388ec0132bf2fdf2404d19d9ae416ac3bbf748e5805017657", kill_on_drop: false }`
[INFO] [stderr]    Compiling possibly v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "dcdd25fbc9de38f388ec0132bf2fdf2404d19d9ae416ac3bbf748e5805017657", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcdd25fbc9de38f388ec0132bf2fdf2404d19d9ae416ac3bbf748e5805017657", kill_on_drop: false }`
[INFO] [stdout] dcdd25fbc9de38f388ec0132bf2fdf2404d19d9ae416ac3bbf748e5805017657
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] edfd591c319f30c090ebdf455c5bb1dbca6bfc3c2087edb9597ea4358b08d020
[INFO] running `Command { std: "docker" "start" "-a" "edfd591c319f30c090ebdf455c5bb1dbca6bfc3c2087edb9597ea4358b08d020", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/possibly-d476e1d97f163772)
[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 possibly
[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" "edfd591c319f30c090ebdf455c5bb1dbca6bfc3c2087edb9597ea4358b08d020", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edfd591c319f30c090ebdf455c5bb1dbca6bfc3c2087edb9597ea4358b08d020", kill_on_drop: false }`
[INFO] [stdout] edfd591c319f30c090ebdf455c5bb1dbca6bfc3c2087edb9597ea4358b08d020
