[INFO] fetching crate serac 0.4.2...
[INFO] testing serac-0.4.2 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate serac 0.4.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate serac 0.4.2
[INFO] finished tweaking crates.io crate serac 0.4.2
[INFO] tweaked toml for crates.io crate serac 0.4.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serac 0.4.2 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] crate crates.io crate serac 0.4.2 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-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-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9c52ccbede41a553b29f948779bbd01712e9f24f34d432655ec010023dccdfa
[INFO] running `Command { std: "docker" "start" "-a" "a9c52ccbede41a553b29f948779bbd01712e9f24f34d432655ec010023dccdfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9c52ccbede41a553b29f948779bbd01712e9f24f34d432655ec010023dccdfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9c52ccbede41a553b29f948779bbd01712e9f24f34d432655ec010023dccdfa", kill_on_drop: false }`
[INFO] [stdout] a9c52ccbede41a553b29f948779bbd01712e9f24f34d432655ec010023dccdfa
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ee1659094d5ca80b254d346eb82d26b4c7184bce09acda24bdf68014f9e947b
[INFO] running `Command { std: "docker" "start" "-a" "1ee1659094d5ca80b254d346eb82d26b4c7184bce09acda24bdf68014f9e947b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling regex-automata v0.4.5
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling fill-array v0.2.1
[INFO] [stderr]    Compiling embedded-command-macros v0.4.0
[INFO] [stderr]    Compiling serac v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.88s
[INFO] running `Command { std: "docker" "inspect" "1ee1659094d5ca80b254d346eb82d26b4c7184bce09acda24bdf68014f9e947b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ee1659094d5ca80b254d346eb82d26b4c7184bce09acda24bdf68014f9e947b", kill_on_drop: false }`
[INFO] [stdout] 1ee1659094d5ca80b254d346eb82d26b4c7184bce09acda24bdf68014f9e947b
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03f55a4ddda589796158ac24a95c34dfc6b15d9c094d5a57432395850bcc5795
[INFO] running `Command { std: "docker" "start" "-a" "03f55a4ddda589796158ac24a95c34dfc6b15d9c094d5a57432395850bcc5795", kill_on_drop: false }`
[INFO] [stderr]    Compiling serac v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "03f55a4ddda589796158ac24a95c34dfc6b15d9c094d5a57432395850bcc5795", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03f55a4ddda589796158ac24a95c34dfc6b15d9c094d5a57432395850bcc5795", kill_on_drop: false }`
[INFO] [stdout] 03f55a4ddda589796158ac24a95c34dfc6b15d9c094d5a57432395850bcc5795
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f802a7c2d430ff5f1acd26f3691102c74cbdf477988b24d536d91219af48dba4
[INFO] running `Command { std: "docker" "start" "-a" "f802a7c2d430ff5f1acd26f3691102c74cbdf477988b24d536d91219af48dba4", 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/serac-92b7c71854d79627)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stderr]    Doc-tests serac
[INFO] [stdout] test encoding::vanilla::tests::derive::enums::buf ... ok
[INFO] [stdout] test encoding::vanilla::tests::derive::generics ... ok
[INFO] [stdout] test encoding::vanilla::tests::derive::enums::iter ... ok
[INFO] [stdout] test encoding::vanilla::tests::derive::structs::buf ... ok
[INFO] [stdout] test encoding::vanilla::tests::derive::structs::iter ... ok
[INFO] [stdout] test encoding::vanilla::tests::primitives::iter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 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" "f802a7c2d430ff5f1acd26f3691102c74cbdf477988b24d536d91219af48dba4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f802a7c2d430ff5f1acd26f3691102c74cbdf477988b24d536d91219af48dba4", kill_on_drop: false }`
[INFO] [stdout] f802a7c2d430ff5f1acd26f3691102c74cbdf477988b24d536d91219af48dba4
