[INFO] fetching crate postcard-dyn 0.2.1...
[INFO] building postcard-dyn-0.2.1 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate postcard-dyn 0.2.1 into /workspace/builds/worker-4-tc1/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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate postcard-dyn 0.2.1 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cobs v0.3.0
[INFO] [stderr]   Downloaded embedded-io v0.4.0
[INFO] [stderr]   Downloaded postcard-derive v0.2.1
[INFO] [stderr]   Downloaded postcard-schema v0.2.3
[INFO] [stderr]   Downloaded postcard v1.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 035df7cc91b5ddeba1fc4af3450a8e478ba5beb1f2baa60cb1a1f71ae50d8993
[INFO] running `Command { std: "docker" "start" "-a" "035df7cc91b5ddeba1fc4af3450a8e478ba5beb1f2baa60cb1a1f71ae50d8993", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "035df7cc91b5ddeba1fc4af3450a8e478ba5beb1f2baa60cb1a1f71ae50d8993", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "035df7cc91b5ddeba1fc4af3450a8e478ba5beb1f2baa60cb1a1f71ae50d8993", kill_on_drop: false }`
[INFO] [stdout] 035df7cc91b5ddeba1fc4af3450a8e478ba5beb1f2baa60cb1a1f71ae50d8993
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a365889bc1d05ac7fde811812b0f99de1e8b780c2f53e665955b5d274fcc6ab4
[INFO] running `Command { std: "docker" "start" "-a" "a365889bc1d05ac7fde811812b0f99de1e8b780c2f53e665955b5d274fcc6ab4", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling syn v2.0.103
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling spin v0.9.8
[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 postcard-schema v0.2.3
[INFO] [stderr]    Compiling serde_json v1.0.140
[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 12.26s
[INFO] running `Command { std: "docker" "inspect" "a365889bc1d05ac7fde811812b0f99de1e8b780c2f53e665955b5d274fcc6ab4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a365889bc1d05ac7fde811812b0f99de1e8b780c2f53e665955b5d274fcc6ab4", kill_on_drop: false }`
[INFO] [stdout] a365889bc1d05ac7fde811812b0f99de1e8b780c2f53e665955b5d274fcc6ab4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc4ebf1f5d0aec6952e7137fd1bca4771b82af2aed7e0421764cc9d01ccfe1db
[INFO] running `Command { std: "docker" "start" "-a" "dc4ebf1f5d0aec6952e7137fd1bca4771b82af2aed7e0421764cc9d01ccfe1db", 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 1.11s
[INFO] running `Command { std: "docker" "inspect" "dc4ebf1f5d0aec6952e7137fd1bca4771b82af2aed7e0421764cc9d01ccfe1db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc4ebf1f5d0aec6952e7137fd1bca4771b82af2aed7e0421764cc9d01ccfe1db", kill_on_drop: false }`
[INFO] [stdout] dc4ebf1f5d0aec6952e7137fd1bca4771b82af2aed7e0421764cc9d01ccfe1db