[INFO] cloning repository https://github.com/ruchirK/chess-diff
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ruchirK/chess-diff" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FruchirK%2Fchess-diff", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FruchirK%2Fchess-diff'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 292f3d3aa7939da6b772ba64d807e399899b6111
[INFO] testing ruchirK/chess-diff against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FruchirK%2Fchess-diff" "/workspace/builds/worker-21/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ruchirK/chess-diff on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ruchirK/chess-diff
[INFO] finished tweaking git repo https://github.com/ruchirK/chess-diff
[INFO] tweaked toml for git repo https://github.com/ruchirK/chess-diff written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate git repo https://github.com/ruchirK/chess-diff already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded btoi v0.4.2
[INFO] [stderr]   Downloaded shakmaty v0.16.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64d7fe00c0f178f97d50c44569badb57f8e2ee545238dc9271fa45f56842bfe4
[INFO] running `Command { std: "docker" "start" "-a" "64d7fe00c0f178f97d50c44569badb57f8e2ee545238dc9271fa45f56842bfe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64d7fe00c0f178f97d50c44569badb57f8e2ee545238dc9271fa45f56842bfe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64d7fe00c0f178f97d50c44569badb57f8e2ee545238dc9271fa45f56842bfe4", kill_on_drop: false }`
[INFO] [stdout] 64d7fe00c0f178f97d50c44569badb57f8e2ee545238dc9271fa45f56842bfe4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1cefc91ee74c0de02337e767bbc7d47a89885fa17f8b9836e84c2a1b7ae2df58
[INFO] running `Command { std: "docker" "start" "-a" "1cefc91ee74c0de02337e767bbc7d47a89885fa17f8b9836e84c2a1b7ae2df58", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling abomonation v0.7.3
[INFO] [stderr]    Compiling shakmaty v0.16.4
[INFO] [stderr]    Compiling timely_bytes v0.11.0 (https://github.com/TimelyDataflow/timely-dataflow#6d1cca4c)
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling timely_logging v0.11.1 (https://github.com/TimelyDataflow/timely-dataflow#6d1cca4c)
[INFO] [stderr]    Compiling timely_sort v0.1.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]    Compiling slice-deque v0.3.0
[INFO] [stderr]    Compiling btoi v0.4.2
[INFO] [stderr]    Compiling bzip2 v0.4.1
[INFO] [stderr]    Compiling pgn-reader v0.15.0 (https://github.com/niklasf/rust-pgn-reader#49dc0b16)
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling abomonation_derive v0.5.0
[INFO] [stderr]    Compiling timely_communication v0.11.1 (https://github.com/TimelyDataflow/timely-dataflow#6d1cca4c)
[INFO] [stderr]    Compiling timely v0.11.1 (https://github.com/TimelyDataflow/timely-dataflow#6d1cca4c)
[INFO] [stderr]    Compiling differential-dataflow v0.11.0 (https://github.com/TimelyDataflow/differential-dataflow#f155b908)
[INFO] [stderr]    Compiling chess-diff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.44s
[INFO] running `Command { std: "docker" "inspect" "1cefc91ee74c0de02337e767bbc7d47a89885fa17f8b9836e84c2a1b7ae2df58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cefc91ee74c0de02337e767bbc7d47a89885fa17f8b9836e84c2a1b7ae2df58", kill_on_drop: false }`
[INFO] [stdout] 1cefc91ee74c0de02337e767bbc7d47a89885fa17f8b9836e84c2a1b7ae2df58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a11194b82389d56037c3e9a5787e60494e7fb1b5c256a3699987dbf46bb0afc
[INFO] running `Command { std: "docker" "start" "-a" "1a11194b82389d56037c3e9a5787e60494e7fb1b5c256a3699987dbf46bb0afc", kill_on_drop: false }`
[INFO] [stderr]    Compiling chess-diff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `CountTotal`
[INFO] [stdout]  --> examples/space-saving.rs:8:40
[INFO] [stdout]   |
[INFO] [stdout] 8 | use differential_dataflow::operators::{CountTotal, Join, Threshold};
[INFO] [stdout]   |                                        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.65s
[INFO] running `Command { std: "docker" "inspect" "1a11194b82389d56037c3e9a5787e60494e7fb1b5c256a3699987dbf46bb0afc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a11194b82389d56037c3e9a5787e60494e7fb1b5c256a3699987dbf46bb0afc", kill_on_drop: false }`
[INFO] [stdout] 1a11194b82389d56037c3e9a5787e60494e7fb1b5c256a3699987dbf46bb0afc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 90c671322dc92cb9c3bd763e87df5b49dbd765f74bb7c3606afe2a19403bfa56
[INFO] running `Command { std: "docker" "start" "-a" "90c671322dc92cb9c3bd763e87df5b49dbd765f74bb7c3606afe2a19403bfa56", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `CountTotal`
[INFO] [stderr]  --> examples/space-saving.rs:8:40
[INFO] [stderr]   |
[INFO] [stderr] 8 | use differential_dataflow::operators::{CountTotal, Join, Threshold};
[INFO] [stderr]   |                                        ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `chess-diff` (example "space-saving") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chess_diff-f397ebf28939027a)
[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" "90c671322dc92cb9c3bd763e87df5b49dbd765f74bb7c3606afe2a19403bfa56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90c671322dc92cb9c3bd763e87df5b49dbd765f74bb7c3606afe2a19403bfa56", kill_on_drop: false }`
[INFO] [stdout] 90c671322dc92cb9c3bd763e87df5b49dbd765f74bb7c3606afe2a19403bfa56