[INFO] fetching crate polywrap_msgpack 0.1.6-beta.7...
[INFO] building polywrap_msgpack-0.1.6-beta.7 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate polywrap_msgpack 0.1.6-beta.7 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate polywrap_msgpack 0.1.6-beta.7
[INFO] finished tweaking crates.io crate polywrap_msgpack 0.1.6-beta.7
[INFO] tweaked toml for crates.io crate polywrap_msgpack 0.1.6-beta.7 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate polywrap_msgpack 0.1.6-beta.7 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 21 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.16)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aaa1a3a96a94dd8a80941c64e326f15b513f7520b7919199ba01c3a668916b13
[INFO] running `Command { std: "docker" "start" "-a" "aaa1a3a96a94dd8a80941c64e326f15b513f7520b7919199ba01c3a668916b13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aaa1a3a96a94dd8a80941c64e326f15b513f7520b7919199ba01c3a668916b13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaa1a3a96a94dd8a80941c64e326f15b513f7520b7919199ba01c3a668916b13", kill_on_drop: false }`
[INFO] [stdout] aaa1a3a96a94dd8a80941c64e326f15b513f7520b7919199ba01c3a668916b13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78e98325f3d8510bf35f920db72bfac2c324266758a0dc0c126d57c32ab5b6d9
[INFO] running `Command { std: "docker" "start" "-a" "78e98325f3d8510bf35f920db72bfac2c324266758a0dc0c126d57c32ab5b6d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_bytes v0.11.19
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling rmp v0.8.14
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling rmp-serde v1.3.0
[INFO] [stderr]    Compiling rmpv v1.3.0
[INFO] [stderr]    Compiling polywrap_msgpack v0.1.6-beta.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `ValueTest` is never constructed
[INFO] [stdout]   --> src/lib.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | struct ValueTest {
[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 6.19s
[INFO] running `Command { std: "docker" "inspect" "78e98325f3d8510bf35f920db72bfac2c324266758a0dc0c126d57c32ab5b6d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78e98325f3d8510bf35f920db72bfac2c324266758a0dc0c126d57c32ab5b6d9", kill_on_drop: false }`
[INFO] [stdout] 78e98325f3d8510bf35f920db72bfac2c324266758a0dc0c126d57c32ab5b6d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3853d468f0570724abd31ed26e80de7779a3bc1f59a8f7fc4c2a50c721512c1
[INFO] running `Command { std: "docker" "start" "-a" "d3853d468f0570724abd31ed26e80de7779a3bc1f59a8f7fc4c2a50c721512c1", kill_on_drop: false }`
[INFO] [stdout] warning: struct `ValueTest` is never constructed
[INFO] [stdout]   --> src/lib.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | struct ValueTest {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling polywrap_msgpack v0.1.6-beta.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `Command { std: "docker" "inspect" "d3853d468f0570724abd31ed26e80de7779a3bc1f59a8f7fc4c2a50c721512c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3853d468f0570724abd31ed26e80de7779a3bc1f59a8f7fc4c2a50c721512c1", kill_on_drop: false }`
[INFO] [stdout] d3853d468f0570724abd31ed26e80de7779a3bc1f59a8f7fc4c2a50c721512c1