[INFO] fetching crate serde-hessian 0.1.0-rc1...
[INFO] testing serde-hessian-0.1.0-rc1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate serde-hessian 0.1.0-rc1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate serde-hessian 0.1.0-rc1
[INFO] finished tweaking crates.io crate serde-hessian 0.1.0-rc1
[INFO] tweaked toml for crates.io crate serde-hessian 0.1.0-rc1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde-hessian 0.1.0-rc1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 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-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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 58b83af8b62c068769104947df13798e98fd722cac6b3074d61233d538567c06
[INFO] running `Command { std: "docker" "start" "-a" "58b83af8b62c068769104947df13798e98fd722cac6b3074d61233d538567c06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58b83af8b62c068769104947df13798e98fd722cac6b3074d61233d538567c06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58b83af8b62c068769104947df13798e98fd722cac6b3074d61233d538567c06", kill_on_drop: false }`
[INFO] [stdout] 58b83af8b62c068769104947df13798e98fd722cac6b3074d61233d538567c06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3e4fa027d6d246302e178467f3f9d8d39ea5580020452b6b6bc237b503b7e8eb
[INFO] running `Command { std: "docker" "start" "-a" "3e4fa027d6d246302e178467f3f9d8d39ea5580020452b6b6bc237b503b7e8eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling hessian_rs v0.0.4-rc3
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde-hessian v0.1.0-rc1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/ser.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct MapSerializer<'a, W: io::Write> {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 26 |     name: Option<&'static str>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.60s
[INFO] running `Command { std: "docker" "inspect" "3e4fa027d6d246302e178467f3f9d8d39ea5580020452b6b6bc237b503b7e8eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e4fa027d6d246302e178467f3f9d8d39ea5580020452b6b6bc237b503b7e8eb", kill_on_drop: false }`
[INFO] [stdout] 3e4fa027d6d246302e178467f3f9d8d39ea5580020452b6b6bc237b503b7e8eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] cf32c35982e1da760a0b3ba2898353c28f774edb4f7fed098db69133b8ebaf55
[INFO] running `Command { std: "docker" "start" "-a" "cf32c35982e1da760a0b3ba2898353c28f774edb4f7fed098db69133b8ebaf55", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde-hessian v0.1.0-rc1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/ser.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct MapSerializer<'a, W: io::Write> {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 26 |     name: Option<&'static str>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/ser.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct MapSerializer<'a, W: io::Write> {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 26 |     name: Option<&'static str>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "cf32c35982e1da760a0b3ba2898353c28f774edb4f7fed098db69133b8ebaf55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf32c35982e1da760a0b3ba2898353c28f774edb4f7fed098db69133b8ebaf55", kill_on_drop: false }`
[INFO] [stdout] cf32c35982e1da760a0b3ba2898353c28f774edb4f7fed098db69133b8ebaf55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 0a3eb80851f737feb5a277b095540cc2fb94feb8651ecaa55ba48aeaaaa53e01
[INFO] running `Command { std: "docker" "start" "-a" "0a3eb80851f737feb5a277b095540cc2fb94feb8651ecaa55ba48aeaaaa53e01", kill_on_drop: false }`
[INFO] [stderr] warning: field `name` is never read
[INFO] [stderr]   --> src/ser.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub struct MapSerializer<'a, W: io::Write> {
[INFO] [stderr]    |            ------------- field in this struct
[INFO] [stderr] 26 |     name: Option<&'static str>,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `serde-hessian` (lib) generated 1 warning
[INFO] [stderr] warning: `serde-hessian` (lib test) generated 1 warning (1 duplicate)
[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_hessian-e5d6e78f538ca125)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test de::tests::test_basic_type ... ok
[INFO] [stdout] test de::tests::test_newtype_struct ... ok
[INFO] [stdout] test de::tests::test_basic_struct ... ok
[INFO] [stdout] test de::tests::test_enum ... ok
[INFO] [stdout] test de::tests::test_basic_object_type ... ok
[INFO] [stdout] test ser::test::test_enum ... ok
[INFO] [stdout] test ser::test::test_struct ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_hessian
[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" "0a3eb80851f737feb5a277b095540cc2fb94feb8651ecaa55ba48aeaaaa53e01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a3eb80851f737feb5a277b095540cc2fb94feb8651ecaa55ba48aeaaaa53e01", kill_on_drop: false }`
[INFO] [stdout] 0a3eb80851f737feb5a277b095540cc2fb94feb8651ecaa55ba48aeaaaa53e01
