[INFO] fetching crate serde-env-field-wrap 0.3.0...
[INFO] testing serde-env-field-wrap-0.3.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate serde-env-field-wrap 0.3.0 into /workspace/builds/worker-6-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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde-env-field-wrap 0.3.0 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] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 811dedd35734d0b5c8baa2a45316e72dd3fd82fce906cc584abf15efe13db255
[INFO] running `Command { std: "docker" "start" "-a" "811dedd35734d0b5c8baa2a45316e72dd3fd82fce906cc584abf15efe13db255", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "811dedd35734d0b5c8baa2a45316e72dd3fd82fce906cc584abf15efe13db255", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "811dedd35734d0b5c8baa2a45316e72dd3fd82fce906cc584abf15efe13db255", kill_on_drop: false }`
[INFO] [stdout] 811dedd35734d0b5c8baa2a45316e72dd3fd82fce906cc584abf15efe13db255
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] eac8342d9f33f077e67883e26588c67dd1d07302cdd8db62a36ffa7761b08b54
[INFO] running `Command { std: "docker" "start" "-a" "eac8342d9f33f077e67883e26588c67dd1d07302cdd8db62a36ffa7761b08b54", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error 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 2.17s
[INFO] running `Command { std: "docker" "inspect" "eac8342d9f33f077e67883e26588c67dd1d07302cdd8db62a36ffa7761b08b54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eac8342d9f33f077e67883e26588c67dd1d07302cdd8db62a36ffa7761b08b54", kill_on_drop: false }`
[INFO] [stdout] eac8342d9f33f077e67883e26588c67dd1d07302cdd8db62a36ffa7761b08b54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] cb7fb76f918c1e77b32905f10d68db4a61a5087c4f8e249f2eff8eab3501436c
[INFO] running `Command { std: "docker" "start" "-a" "cb7fb76f918c1e77b32905f10d68db4a61a5087c4f8e249f2eff8eab3501436c", 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 0.50s
[INFO] running `Command { std: "docker" "inspect" "cb7fb76f918c1e77b32905f10d68db4a61a5087c4f8e249f2eff8eab3501436c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb7fb76f918c1e77b32905f10d68db4a61a5087c4f8e249f2eff8eab3501436c", kill_on_drop: false }`
[INFO] [stdout] cb7fb76f918c1e77b32905f10d68db4a61a5087c4f8e249f2eff8eab3501436c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] a379ec7ceac6e471f0c55be743536df4c1912717d90bf3112adf15f8e0d9e1dd
[INFO] running `Command { std: "docker" "start" "-a" "a379ec7ceac6e471f0c55be743536df4c1912717d90bf3112adf15f8e0d9e1dd", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_env_field_wrap-21b5e45ff8320084)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests serde_env_field_wrap
[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" "a379ec7ceac6e471f0c55be743536df4c1912717d90bf3112adf15f8e0d9e1dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a379ec7ceac6e471f0c55be743536df4c1912717d90bf3112adf15f8e0d9e1dd", kill_on_drop: false }`
[INFO] [stdout] a379ec7ceac6e471f0c55be743536df4c1912717d90bf3112adf15f8e0d9e1dd