[INFO] fetching crate postcard-dyn 0.2.1...
[INFO] testing postcard-dyn-0.2.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate postcard-dyn 0.2.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate postcard-dyn 0.2.1
[INFO] finished tweaking crates.io crate postcard-dyn 0.2.1
[INFO] tweaked toml for crates.io crate postcard-dyn 0.2.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate postcard-dyn 0.2.1 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] crate crates.io crate postcard-dyn 0.2.1 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-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] 103db50d176b87307beabc85bb9bbe84a5043408642f20704f3cefe4f0dc13a5
[INFO] running `Command { std: "docker" "start" "-a" "103db50d176b87307beabc85bb9bbe84a5043408642f20704f3cefe4f0dc13a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "103db50d176b87307beabc85bb9bbe84a5043408642f20704f3cefe4f0dc13a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "103db50d176b87307beabc85bb9bbe84a5043408642f20704f3cefe4f0dc13a5", kill_on_drop: false }`
[INFO] [stdout] 103db50d176b87307beabc85bb9bbe84a5043408642f20704f3cefe4f0dc13a5
[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] 34f5467939294a913aa703aa8a00f40fd435b6bc15dbe561fe127454037c0f3f
[INFO] running `Command { std: "docker" "start" "-a" "34f5467939294a913aa703aa8a00f40fd435b6bc15dbe561fe127454037c0f3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling syn v2.0.103
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling postcard-derive v0.2.1
[INFO] [stderr]    Compiling cobs v0.3.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling postcard-schema v0.2.3
[INFO] [stderr]    Compiling postcard v1.1.2
[INFO] [stderr]    Compiling postcard-dyn v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.08s
[INFO] running `Command { std: "docker" "inspect" "34f5467939294a913aa703aa8a00f40fd435b6bc15dbe561fe127454037c0f3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34f5467939294a913aa703aa8a00f40fd435b6bc15dbe561fe127454037c0f3f", kill_on_drop: false }`
[INFO] [stdout] 34f5467939294a913aa703aa8a00f40fd435b6bc15dbe561fe127454037c0f3f
[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] cf68fe26eed150195b8d0b43b950df11b9b6b5b6410d9f89e4936bc7f0f1302d
[INFO] running `Command { std: "docker" "start" "-a" "cf68fe26eed150195b8d0b43b950df11b9b6b5b6410d9f89e4936bc7f0f1302d", kill_on_drop: false }`
[INFO] [stderr]    Compiling postcard-dyn v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `UnitStruct` is never constructed
[INFO] [stdout]    --> src/de.rs:442:12
[INFO] [stdout]     |
[INFO] [stdout] 442 |     struct UnitStruct;
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TupStruct1` is never constructed
[INFO] [stdout]    --> src/de.rs:445:12
[INFO] [stdout]     |
[INFO] [stdout] 445 |     struct TupStruct1(u8);
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TupStruct2` is never constructed
[INFO] [stdout]    --> src/de.rs:448:12
[INFO] [stdout]     |
[INFO] [stdout] 448 |     struct TupStruct2(u8, u8);
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "cf68fe26eed150195b8d0b43b950df11b9b6b5b6410d9f89e4936bc7f0f1302d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf68fe26eed150195b8d0b43b950df11b9b6b5b6410d9f89e4936bc7f0f1302d", kill_on_drop: false }`
[INFO] [stdout] cf68fe26eed150195b8d0b43b950df11b9b6b5b6410d9f89e4936bc7f0f1302d
[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] 5b9a03cdeb73d699f7cbedebbef3fc5c4210fde76f09b8fe270bce2cce44318f
[INFO] running `Command { std: "docker" "start" "-a" "5b9a03cdeb73d699f7cbedebbef3fc5c4210fde76f09b8fe270bce2cce44318f", kill_on_drop: false }`
[INFO] [stderr] warning: struct `UnitStruct` is never constructed
[INFO] [stderr]    --> src/de.rs:442:12
[INFO] [stderr]     |
[INFO] [stderr] 442 |     struct UnitStruct;
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `TupStruct1` is never constructed
[INFO] [stderr]    --> src/de.rs:445:12
[INFO] [stderr]     |
[INFO] [stderr] 445 |     struct TupStruct1(u8);
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `TupStruct2` is never constructed
[INFO] [stderr]    --> src/de.rs:448:12
[INFO] [stderr]     |
[INFO] [stderr] 448 |     struct TupStruct2(u8, u8);
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `postcard-dyn` (lib test) generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/postcard_dyn-cb545ccfa5ffc9cc)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test ser::test::seqs ... ok
[INFO] [stdout] test de::test::smoke ... ok
[INFO] [stdout] test ser::test::opts ... ok
[INFO] [stdout] test ser::test::ints ... ok
[INFO] [stdout] test ser::test::enums ... ok
[INFO] [stdout] test ser::test::serde_j ... ok
[INFO] [stdout] test ser::test::tups ... ok
[INFO] [stdout] test ser::test::maps ... ok
[INFO] [stdout] test ser::test::strs ... ok
[INFO] [stdout] test ser::test::structs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests postcard_dyn
[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" "5b9a03cdeb73d699f7cbedebbef3fc5c4210fde76f09b8fe270bce2cce44318f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b9a03cdeb73d699f7cbedebbef3fc5c4210fde76f09b8fe270bce2cce44318f", kill_on_drop: false }`
[INFO] [stdout] 5b9a03cdeb73d699f7cbedebbef3fc5c4210fde76f09b8fe270bce2cce44318f