[INFO] fetching crate thund-delta 0.0.1...
[INFO] testing thund-delta-0.0.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate thund-delta 0.0.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate thund-delta 0.0.1
[INFO] finished tweaking crates.io crate thund-delta 0.0.1
[INFO] tweaked toml for crates.io crate thund-delta 0.0.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate thund-delta 0.0.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 45 packages to latest compatible versions
[INFO] [stderr]       Adding arrow2 v0.14.2 (available: v0.18.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa949b3c6a3f8a2cf2d044871ea3f8366e5a830a757afca11659ddf3ac2cb526
[INFO] running `Command { std: "docker" "start" "-a" "fa949b3c6a3f8a2cf2d044871ea3f8366e5a830a757afca11659ddf3ac2cb526", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa949b3c6a3f8a2cf2d044871ea3f8366e5a830a757afca11659ddf3ac2cb526", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa949b3c6a3f8a2cf2d044871ea3f8366e5a830a757afca11659ddf3ac2cb526", kill_on_drop: false }`
[INFO] [stdout] fa949b3c6a3f8a2cf2d044871ea3f8366e5a830a757afca11659ddf3ac2cb526
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 446a1d5d129e694a878db1e87eeb1cac063cad885ea3f0aaff02f84e28a79cb3
[INFO] running `Command { std: "docker" "start" "-a" "446a1d5d129e694a878db1e87eeb1cac063cad885ea3f0aaff02f84e28a79cb3", kill_on_drop: false }`
[INFO] [stderr]    Compiling hash_hasher v2.0.4
[INFO] [stderr]    Compiling ethnum v1.5.2
[INFO] [stderr]    Compiling simdutf8 v0.1.5
[INFO] [stderr]    Compiling foreign_vec v0.1.0
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling bytemuck_derive v1.10.2
[INFO] [stderr]    Compiling bytemuck v1.24.0
[INFO] [stderr]    Compiling arrow2 v0.14.2
[INFO] [stderr]    Compiling arrowalloy v0.0.3
[INFO] [stderr]    Compiling thund-delta v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `DeltaBackend` is never constructed
[INFO] [stdout]   --> src/implentation/mod.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct DeltaBackend {
[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 14.90s
[INFO] running `Command { std: "docker" "inspect" "446a1d5d129e694a878db1e87eeb1cac063cad885ea3f0aaff02f84e28a79cb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "446a1d5d129e694a878db1e87eeb1cac063cad885ea3f0aaff02f84e28a79cb3", kill_on_drop: false }`
[INFO] [stdout] 446a1d5d129e694a878db1e87eeb1cac063cad885ea3f0aaff02f84e28a79cb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc804e56d4b71fbd7bd4b31ce964d9f84046e8411e0f03fe07ce4648befc28cd
[INFO] running `Command { std: "docker" "start" "-a" "bc804e56d4b71fbd7bd4b31ce964d9f84046e8411e0f03fe07ce4648befc28cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling thund-delta v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `DeltaBackend` is never constructed
[INFO] [stdout]   --> src/implentation/mod.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct DeltaBackend {
[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 0.42s
[INFO] running `Command { std: "docker" "inspect" "bc804e56d4b71fbd7bd4b31ce964d9f84046e8411e0f03fe07ce4648befc28cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc804e56d4b71fbd7bd4b31ce964d9f84046e8411e0f03fe07ce4648befc28cd", kill_on_drop: false }`
[INFO] [stdout] bc804e56d4b71fbd7bd4b31ce964d9f84046e8411e0f03fe07ce4648befc28cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 31ce33dda498972f172747198e4e8e7a618b0d65de91f172dc0555b4e0e712fe
[INFO] running `Command { std: "docker" "start" "-a" "31ce33dda498972f172747198e4e8e7a618b0d65de91f172dc0555b4e0e712fe", kill_on_drop: false }`
[INFO] [stderr] warning: struct `DeltaBackend` is never constructed
[INFO] [stderr]   --> src/implentation/mod.rs:34:8
[INFO] [stderr]    |
[INFO] [stderr] 34 | struct DeltaBackend {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `thund-delta` (lib test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/thund_delta-43c7dd1505c785e4)
[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" "31ce33dda498972f172747198e4e8e7a618b0d65de91f172dc0555b4e0e712fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31ce33dda498972f172747198e4e8e7a618b0d65de91f172dc0555b4e0e712fe", kill_on_drop: false }`
[INFO] [stdout] 31ce33dda498972f172747198e4e8e7a618b0d65de91f172dc0555b4e0e712fe