[INFO] fetching crate postcard-dyn-ng 0.3.0...
[INFO] testing postcard-dyn-ng-0.3.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate postcard-dyn-ng 0.3.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate postcard-dyn-ng 0.3.0
[INFO] finished tweaking crates.io crate postcard-dyn-ng 0.3.0
[INFO] tweaked toml for crates.io crate postcard-dyn-ng 0.3.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate postcard-dyn-ng 0.3.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate postcard-dyn-ng 0.3.0 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49af058563856fd98ead2e937c04a23f3ae02981a6213f4e2bedf3cbc2b67bfd
[INFO] running `Command { std: "docker" "start" "-a" "49af058563856fd98ead2e937c04a23f3ae02981a6213f4e2bedf3cbc2b67bfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49af058563856fd98ead2e937c04a23f3ae02981a6213f4e2bedf3cbc2b67bfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49af058563856fd98ead2e937c04a23f3ae02981a6213f4e2bedf3cbc2b67bfd", kill_on_drop: false }`
[INFO] [stdout] 49af058563856fd98ead2e937c04a23f3ae02981a6213f4e2bedf3cbc2b67bfd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a55b8d8839bb9fe855bcd901d9846ba9764289cf9352285eb6accfa892fbfa1
[INFO] running `Command { std: "docker" "start" "-a" "3a55b8d8839bb9fe855bcd901d9846ba9764289cf9352285eb6accfa892fbfa1", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling cobs v0.2.3
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling syn v2.0.103
[INFO] [stderr]    Compiling spin v0.9.8
[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 postcard-derive-ng v0.3.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling postcard-schema-ng v0.3.0
[INFO] [stderr]    Compiling postcard v1.1.1
[INFO] [stderr]    Compiling postcard-dyn-ng v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.43s
[INFO] running `Command { std: "docker" "inspect" "3a55b8d8839bb9fe855bcd901d9846ba9764289cf9352285eb6accfa892fbfa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a55b8d8839bb9fe855bcd901d9846ba9764289cf9352285eb6accfa892fbfa1", kill_on_drop: false }`
[INFO] [stdout] 3a55b8d8839bb9fe855bcd901d9846ba9764289cf9352285eb6accfa892fbfa1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51431b834b15d06de8ac3bc18a0bcc2a0e5cfe099e30509826e6a7eab045ccac
[INFO] running `Command { std: "docker" "start" "-a" "51431b834b15d06de8ac3bc18a0bcc2a0e5cfe099e30509826e6a7eab045ccac", kill_on_drop: false }`
[INFO] [stderr]    Compiling postcard-dyn-ng v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `UnitStruct` is never constructed
[INFO] [stdout]    --> src/de.rs:463:12
[INFO] [stdout]     |
[INFO] [stdout] 463 |     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:466:12
[INFO] [stdout]     |
[INFO] [stdout] 466 |     struct TupStruct1(u8);
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TupStruct2` is never constructed
[INFO] [stdout]    --> src/de.rs:469:12
[INFO] [stdout]     |
[INFO] [stdout] 469 |     struct TupStruct2(u8, u8);
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "51431b834b15d06de8ac3bc18a0bcc2a0e5cfe099e30509826e6a7eab045ccac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51431b834b15d06de8ac3bc18a0bcc2a0e5cfe099e30509826e6a7eab045ccac", kill_on_drop: false }`
[INFO] [stdout] 51431b834b15d06de8ac3bc18a0bcc2a0e5cfe099e30509826e6a7eab045ccac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a333a7ceb9165d9b864c2eb38f7f8ca72180dd082cd4fa1e85b51f16de2dfdc4
[INFO] running `Command { std: "docker" "start" "-a" "a333a7ceb9165d9b864c2eb38f7f8ca72180dd082cd4fa1e85b51f16de2dfdc4", kill_on_drop: false }`
[INFO] [stderr] warning: struct `UnitStruct` is never constructed
[INFO] [stderr]    --> src/de.rs:463:12
[INFO] [stderr]     |
[INFO] [stderr] 463 |     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:466:12
[INFO] [stderr]     |
[INFO] [stderr] 466 |     struct TupStruct1(u8);
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `TupStruct2` is never constructed
[INFO] [stderr]    --> src/de.rs:469:12
[INFO] [stderr]     |
[INFO] [stderr] 469 |     struct TupStruct2(u8, u8);
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `postcard-dyn-ng` (lib test) generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/postcard_dyn_ng-5f74c7207880b3e6)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test de::test::smoke ... ok
[INFO] [stdout] test ser::test::enums ... ok
[INFO] [stdout] test ser::test::seqs ... ok
[INFO] [stdout] test ser::test::opts ... ok
[INFO] [stdout] test ser::test::maps ... ok
[INFO] [stdout] test ser::test::serde_j ... ok
[INFO] [stdout] test ser::test::strs ... ok
[INFO] [stdout] test ser::test::structs ... ok
[INFO] [stdout] test ser::test::tups ... ok
[INFO] [stdout] test ser::test::ints ... 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_ng
[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" "a333a7ceb9165d9b864c2eb38f7f8ca72180dd082cd4fa1e85b51f16de2dfdc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a333a7ceb9165d9b864c2eb38f7f8ca72180dd082cd4fa1e85b51f16de2dfdc4", kill_on_drop: false }`
[INFO] [stdout] a333a7ceb9165d9b864c2eb38f7f8ca72180dd082cd4fa1e85b51f16de2dfdc4