[INFO] fetching crate serde-util 0.3.1...
[INFO] testing serde-util-0.3.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate serde-util 0.3.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate serde-util 0.3.1
[INFO] finished tweaking crates.io crate serde-util 0.3.1
[INFO] tweaked toml for crates.io crate serde-util 0.3.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde-util 0.3.1 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]     Updating crates.io index
[INFO] [stderr]      Locking 11 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3cdba92f6acc286f91c7a61b7a83e9557cfc5653c57e95f3da58116abace59c4
[INFO] running `Command { std: "docker" "start" "-a" "3cdba92f6acc286f91c7a61b7a83e9557cfc5653c57e95f3da58116abace59c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cdba92f6acc286f91c7a61b7a83e9557cfc5653c57e95f3da58116abace59c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cdba92f6acc286f91c7a61b7a83e9557cfc5653c57e95f3da58116abace59c4", kill_on_drop: false }`
[INFO] [stdout] 3cdba92f6acc286f91c7a61b7a83e9557cfc5653c57e95f3da58116abace59c4
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed0844f52265982741ceeb41caac00b830dae0ba5656f45cbed8b7fc29dad071
[INFO] running `Command { std: "docker" "start" "-a" "ed0844f52265982741ceeb41caac00b830dae0ba5656f45cbed8b7fc29dad071", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde-util v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.48s
[INFO] running `Command { std: "docker" "inspect" "ed0844f52265982741ceeb41caac00b830dae0ba5656f45cbed8b7fc29dad071", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed0844f52265982741ceeb41caac00b830dae0ba5656f45cbed8b7fc29dad071", kill_on_drop: false }`
[INFO] [stdout] ed0844f52265982741ceeb41caac00b830dae0ba5656f45cbed8b7fc29dad071
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df99afd0a360cf309f2ea7c62e5ded6d9753c123c7e6ac100e9c3dabe536cf4b
[INFO] running `Command { std: "docker" "start" "-a" "df99afd0a360cf309f2ea7c62e5ded6d9753c123c7e6ac100e9c3dabe536cf4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde-util v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "df99afd0a360cf309f2ea7c62e5ded6d9753c123c7e6ac100e9c3dabe536cf4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df99afd0a360cf309f2ea7c62e5ded6d9753c123c7e6ac100e9c3dabe536cf4b", kill_on_drop: false }`
[INFO] [stdout] df99afd0a360cf309f2ea7c62e5ded6d9753c123c7e6ac100e9c3dabe536cf4b
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 982b4f3da101d63ef91e6218c2fe9af3c105c4878b0797d2cd980473043502a5
[INFO] running `Command { std: "docker" "start" "-a" "982b4f3da101d63ef91e6218c2fe9af3c105c4878b0797d2cd980473043502a5", 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_util-0adbb689e89c1a2d)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/maybe.rs (/opt/rustwide/target/debug/deps/maybe-ffb4c01017444833)
[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] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test_is_missing ... ok
[INFO] [stdout] test test_is_not_t ... ok
[INFO] [stdout] test test_is_t ... ok
[INFO] [stdout] test test_shallow ... ok
[INFO] [stdout] test test_t_in_struct ... ok
[INFO] [stdout] test test_not_t_in_struct ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_util
[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" "982b4f3da101d63ef91e6218c2fe9af3c105c4878b0797d2cd980473043502a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "982b4f3da101d63ef91e6218c2fe9af3c105c4878b0797d2cd980473043502a5", kill_on_drop: false }`
[INFO] [stdout] 982b4f3da101d63ef91e6218c2fe9af3c105c4878b0797d2cd980473043502a5