[INFO] fetching crate serde-env-field-wrap 0.3.0...
[INFO] testing serde-env-field-wrap-0.3.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate serde-env-field-wrap 0.3.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate serde-env-field-wrap 0.3.0
[INFO] finished tweaking crates.io crate serde-env-field-wrap 0.3.0
[INFO] tweaked toml for crates.io crate serde-env-field-wrap 0.3.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde-env-field-wrap 0.3.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6d68bcc165fa88a103227fe072516001b85d510eeb77e2d56728ac6bade82c0e
[INFO] running `Command { std: "docker" "start" "-a" "6d68bcc165fa88a103227fe072516001b85d510eeb77e2d56728ac6bade82c0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d68bcc165fa88a103227fe072516001b85d510eeb77e2d56728ac6bade82c0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d68bcc165fa88a103227fe072516001b85d510eeb77e2d56728ac6bade82c0e", kill_on_drop: false }`
[INFO] [stdout] 6d68bcc165fa88a103227fe072516001b85d510eeb77e2d56728ac6bade82c0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 30d9415ec2f34e30fd269698c4ce05628ca058295c7faae1707fb2e49674a5f8
[INFO] running `Command { std: "docker" "start" "-a" "30d9415ec2f34e30fd269698c4ce05628ca058295c7faae1707fb2e49674a5f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling serde-env-field-wrap v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.31s
[INFO] running `Command { std: "docker" "inspect" "30d9415ec2f34e30fd269698c4ce05628ca058295c7faae1707fb2e49674a5f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30d9415ec2f34e30fd269698c4ce05628ca058295c7faae1707fb2e49674a5f8", kill_on_drop: false }`
[INFO] [stdout] 30d9415ec2f34e30fd269698c4ce05628ca058295c7faae1707fb2e49674a5f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] bda0351045175a18596ac34dc5e0ff5a3bfea1ed7f83077a6b1ba22ae1a2d878
[INFO] running `Command { std: "docker" "start" "-a" "bda0351045175a18596ac34dc5e0ff5a3bfea1ed7f83077a6b1ba22ae1a2d878", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde-env-field-wrap v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "bda0351045175a18596ac34dc5e0ff5a3bfea1ed7f83077a6b1ba22ae1a2d878", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bda0351045175a18596ac34dc5e0ff5a3bfea1ed7f83077a6b1ba22ae1a2d878", kill_on_drop: false }`
[INFO] [stdout] bda0351045175a18596ac34dc5e0ff5a3bfea1ed7f83077a6b1ba22ae1a2d878
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e7f4b19e86d3e92efd3974da1855e898aa01e27e2fc1aca96659f61ede8b60c6
[INFO] running `Command { std: "docker" "start" "-a" "e7f4b19e86d3e92efd3974da1855e898aa01e27e2fc1aca96659f61ede8b60c6", 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/serde_env_field_wrap-9156c720ccd9bbb2)
[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 serde_env_field_wrap
[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" "e7f4b19e86d3e92efd3974da1855e898aa01e27e2fc1aca96659f61ede8b60c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7f4b19e86d3e92efd3974da1855e898aa01e27e2fc1aca96659f61ede8b60c6", kill_on_drop: false }`
[INFO] [stdout] e7f4b19e86d3e92efd3974da1855e898aa01e27e2fc1aca96659f61ede8b60c6