[INFO] fetching crate zchunk 0.2.0...
[INFO] building zchunk-0.2.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate zchunk 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate zchunk 0.2.0
[INFO] finished tweaking crates.io crate zchunk 0.2.0
[INFO] tweaked toml for crates.io crate zchunk 0.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate zchunk 0.2.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 39 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded getrandom v0.3.3
[INFO] [stderr]   Downloaded wasi v0.14.7+wasi-0.2.4
[INFO] [stderr]   Downloaded fastrand v2.3.0
[INFO] [stderr]   Downloaded errno v0.3.14
[INFO] [stderr]   Downloaded jobserver v0.1.34
[INFO] [stderr]   Downloaded tempfile v3.23.0
[INFO] [stderr]   Downloaded wit-bindgen v0.46.0
[INFO] [stderr]   Downloaded zstd-safe v7.2.4
[INFO] [stderr]   Downloaded r-efi v5.3.0
[INFO] [stderr]   Downloaded zstd v0.13.3
[INFO] [stderr]   Downloaded wasip2 v1.0.1+wasi-0.2.4
[INFO] [stderr]   Downloaded rustix v1.1.2
[INFO] [stderr]   Downloaded zstd-sys v2.0.16+zstd.1.5.7
[INFO] [stderr]   Downloaded windows-sys v0.61.1
[INFO] [stderr]   Downloaded linux-raw-sys v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a59356c2f412e76d7a4f08017029ab39a9ca6dff790c269361ad43f30f5180f
[INFO] running `Command { std: "docker" "start" "-a" "5a59356c2f412e76d7a4f08017029ab39a9ca6dff790c269361ad43f30f5180f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a59356c2f412e76d7a4f08017029ab39a9ca6dff790c269361ad43f30f5180f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a59356c2f412e76d7a4f08017029ab39a9ca6dff790c269361ad43f30f5180f", kill_on_drop: false }`
[INFO] [stdout] 5a59356c2f412e76d7a4f08017029ab39a9ca6dff790c269361ad43f30f5180f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fed2a380d1488a83b1c6a3e46635db996123721ba5e48458084bf4a9ee25ace6
[INFO] running `Command { std: "docker" "start" "-a" "fed2a380d1488a83b1c6a3e46635db996123721ba5e48458084bf4a9ee25ace6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling cc v1.2.39
[INFO] [stderr]    Compiling zstd-sys v2.0.16+zstd.1.5.7
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling zstd v0.13.3
[INFO] [stderr]    Compiling zchunk v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `DataChunk` is never constructed
[INFO] [stdout]    --> src/format.rs:482:8
[INFO] [stdout]     |
[INFO] [stdout] 482 | struct DataChunk(Vec<u8>);
[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 5.66s
[INFO] running `Command { std: "docker" "inspect" "fed2a380d1488a83b1c6a3e46635db996123721ba5e48458084bf4a9ee25ace6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fed2a380d1488a83b1c6a3e46635db996123721ba5e48458084bf4a9ee25ace6", kill_on_drop: false }`
[INFO] [stdout] fed2a380d1488a83b1c6a3e46635db996123721ba5e48458084bf4a9ee25ace6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f86f361cc8a106be3758345287891e3555f468c89a498301479dcd49718849b
[INFO] running `Command { std: "docker" "start" "-a" "9f86f361cc8a106be3758345287891e3555f468c89a498301479dcd49718849b", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stdout] warning: struct `DataChunk` is never constructed
[INFO] [stdout]    --> src/format.rs:482:8
[INFO] [stdout]     |
[INFO] [stdout] 482 | struct DataChunk(Vec<u8>);
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling zchunk v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `DataChunk` is never constructed
[INFO] [stdout]    --> src/format.rs:482:8
[INFO] [stdout]     |
[INFO] [stdout] 482 | struct DataChunk(Vec<u8>);
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "9f86f361cc8a106be3758345287891e3555f468c89a498301479dcd49718849b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f86f361cc8a106be3758345287891e3555f468c89a498301479dcd49718849b", kill_on_drop: false }`
[INFO] [stdout] 9f86f361cc8a106be3758345287891e3555f468c89a498301479dcd49718849b