[INFO] fetching crate postcard-dyn-ng 0.3.0...
[INFO] building postcard-dyn-ng-0.3.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate postcard-dyn-ng 0.3.0 into /workspace/builds/worker-5-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-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate postcard-dyn-ng 0.3.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8afc967b587215d2c775513a4650af8f41752f104da5c3fcb6e7a2c5e182b55
[INFO] running `Command { std: "docker" "start" "-a" "c8afc967b587215d2c775513a4650af8f41752f104da5c3fcb6e7a2c5e182b55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8afc967b587215d2c775513a4650af8f41752f104da5c3fcb6e7a2c5e182b55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8afc967b587215d2c775513a4650af8f41752f104da5c3fcb6e7a2c5e182b55", kill_on_drop: false }`
[INFO] [stdout] c8afc967b587215d2c775513a4650af8f41752f104da5c3fcb6e7a2c5e182b55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71570afdc947c30ffb2f6323e9b81cf880a77358b6ccc22245d7f62c059d53b8
[INFO] running `Command { std: "docker" "start" "-a" "71570afdc947c30ffb2f6323e9b81cf880a77358b6ccc22245d7f62c059d53b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling cobs v0.2.3
[INFO] [stderr]    Compiling syn v2.0.103
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling postcard-derive-ng v0.3.0
[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 13.72s
[INFO] running `Command { std: "docker" "inspect" "71570afdc947c30ffb2f6323e9b81cf880a77358b6ccc22245d7f62c059d53b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71570afdc947c30ffb2f6323e9b81cf880a77358b6ccc22245d7f62c059d53b8", kill_on_drop: false }`
[INFO] [stdout] 71570afdc947c30ffb2f6323e9b81cf880a77358b6ccc22245d7f62c059d53b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f1633e8d1309b3598618b1f549328fce9cf9adab3f0256fc9c9bda6a30c5383
[INFO] running `Command { std: "docker" "start" "-a" "2f1633e8d1309b3598618b1f549328fce9cf9adab3f0256fc9c9bda6a30c5383", 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 1.28s
[INFO] running `Command { std: "docker" "inspect" "2f1633e8d1309b3598618b1f549328fce9cf9adab3f0256fc9c9bda6a30c5383", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f1633e8d1309b3598618b1f549328fce9cf9adab3f0256fc9c9bda6a30c5383", kill_on_drop: false }`
[INFO] [stdout] 2f1633e8d1309b3598618b1f549328fce9cf9adab3f0256fc9c9bda6a30c5383