[INFO] fetching crate maybe_null 0.2.0...
[INFO] testing maybe_null-0.2.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate maybe_null 0.2.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate maybe_null 0.2.0
[INFO] finished tweaking crates.io crate maybe_null 0.2.0
[INFO] tweaked toml for crates.io crate maybe_null 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate maybe_null 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 maybe_null 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 872857545cbfff73246bedefa86ca09f66ba6d9278f51acbb111b2c6ea0a0c0a
[INFO] running `Command { std: "docker" "start" "-a" "872857545cbfff73246bedefa86ca09f66ba6d9278f51acbb111b2c6ea0a0c0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "872857545cbfff73246bedefa86ca09f66ba6d9278f51acbb111b2c6ea0a0c0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "872857545cbfff73246bedefa86ca09f66ba6d9278f51acbb111b2c6ea0a0c0a", kill_on_drop: false }`
[INFO] [stdout] 872857545cbfff73246bedefa86ca09f66ba6d9278f51acbb111b2c6ea0a0c0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2d31134e3d97e67d202a83b9bcf602727c40d006869fdf31f2d28bfead26d236
[INFO] running `Command { std: "docker" "start" "-a" "2d31134e3d97e67d202a83b9bcf602727c40d006869fdf31f2d28bfead26d236", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe_null v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "2d31134e3d97e67d202a83b9bcf602727c40d006869fdf31f2d28bfead26d236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d31134e3d97e67d202a83b9bcf602727c40d006869fdf31f2d28bfead26d236", kill_on_drop: false }`
[INFO] [stdout] 2d31134e3d97e67d202a83b9bcf602727c40d006869fdf31f2d28bfead26d236
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 4e2d79dc90b743bf13bf26b75a0fb5b8e72b4bf8a143e2dd156e33feafe39251
[INFO] running `Command { std: "docker" "start" "-a" "4e2d79dc90b743bf13bf26b75a0fb5b8e72b4bf8a143e2dd156e33feafe39251", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe_null v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "4e2d79dc90b743bf13bf26b75a0fb5b8e72b4bf8a143e2dd156e33feafe39251", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e2d79dc90b743bf13bf26b75a0fb5b8e72b4bf8a143e2dd156e33feafe39251", kill_on_drop: false }`
[INFO] [stdout] 4e2d79dc90b743bf13bf26b75a0fb5b8e72b4bf8a143e2dd156e33feafe39251
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] c087ba48b262da49b97793c7f4d16b5958bf02530490636c4babeb347909912f
[INFO] running `Command { std: "docker" "start" "-a" "c087ba48b262da49b97793c7f4d16b5958bf02530490636c4babeb347909912f", 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/maybe_null-ea21328afa69921f)
[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 maybe_null
[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" "c087ba48b262da49b97793c7f4d16b5958bf02530490636c4babeb347909912f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c087ba48b262da49b97793c7f4d16b5958bf02530490636c4babeb347909912f", kill_on_drop: false }`
[INFO] [stdout] c087ba48b262da49b97793c7f4d16b5958bf02530490636c4babeb347909912f