[INFO] fetching crate infini 0.0.1...
[INFO] testing infini-0.0.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate infini 0.0.1 into /workspace/builds/worker-56/source
[INFO] validating manifest of crates.io crate infini 0.0.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate infini 0.0.1
[INFO] finished tweaking crates.io crate infini 0.0.1
[INFO] tweaked toml for crates.io crate infini 0.0.1 written to /workspace/builds/worker-56/source/Cargo.toml
[INFO] crate crates.io crate infini 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7cfe34ea3099fe7efa14558113c19767b5d4dd1f16b49a87697da60402f37e2c
[INFO] running `Command { std: "docker" "start" "-a" "7cfe34ea3099fe7efa14558113c19767b5d4dd1f16b49a87697da60402f37e2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cfe34ea3099fe7efa14558113c19767b5d4dd1f16b49a87697da60402f37e2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cfe34ea3099fe7efa14558113c19767b5d4dd1f16b49a87697da60402f37e2c", kill_on_drop: false }`
[INFO] [stdout] 7cfe34ea3099fe7efa14558113c19767b5d4dd1f16b49a87697da60402f37e2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 966b1962737c125599a7a6d70a834e4d8a3473ff3bf263e7203cb49a00bf1c7e
[INFO] running `Command { std: "docker" "start" "-a" "966b1962737c125599a7a6d70a834e4d8a3473ff3bf263e7203cb49a00bf1c7e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling infini v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `MAX_DOC_PER_BUCKET`
[INFO] [stdout]  --> src/main.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | const MAX_DOC_PER_BUCKET :u32 = 4000000000; // round(2^32)
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAX_SHARD_SIZE`
[INFO] [stdout]   --> src/main.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | const MAX_SHARD_SIZE :u8 = 255;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/main.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn new() -> Sequencer {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_with_step`
[INFO] [stdout]   --> src/main.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn new_with_step(step: u32) -> Sequencer {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `current`
[INFO] [stdout]   --> src/main.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn current(&self) -> u32 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `Command { std: "docker" "inspect" "966b1962737c125599a7a6d70a834e4d8a3473ff3bf263e7203cb49a00bf1c7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "966b1962737c125599a7a6d70a834e4d8a3473ff3bf263e7203cb49a00bf1c7e", kill_on_drop: false }`
[INFO] [stdout] 966b1962737c125599a7a6d70a834e4d8a3473ff3bf263e7203cb49a00bf1c7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b16a1d055b81ad5bbb01c897d7d1db23fe4cab9996e4939bed9d708336d22eeb
[INFO] running `Command { std: "docker" "start" "-a" "b16a1d055b81ad5bbb01c897d7d1db23fe4cab9996e4939bed9d708336d22eeb", kill_on_drop: false }`
[INFO] [stderr]    Compiling infini v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `MAX_DOC_PER_BUCKET`
[INFO] [stdout]  --> src/main.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | const MAX_DOC_PER_BUCKET :u32 = 4000000000; // round(2^32)
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAX_SHARD_SIZE`
[INFO] [stdout]   --> src/main.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | const MAX_SHARD_SIZE :u8 = 255;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "b16a1d055b81ad5bbb01c897d7d1db23fe4cab9996e4939bed9d708336d22eeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b16a1d055b81ad5bbb01c897d7d1db23fe4cab9996e4939bed9d708336d22eeb", kill_on_drop: false }`
[INFO] [stdout] b16a1d055b81ad5bbb01c897d7d1db23fe4cab9996e4939bed9d708336d22eeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9a4c1ce03ba573c720355d0f95bc64d4f39039b1d0986942e0f6b687631d1c5e
[INFO] running `Command { std: "docker" "start" "-a" "9a4c1ce03ba573c720355d0f95bc64d4f39039b1d0986942e0f6b687631d1c5e", kill_on_drop: false }`
[INFO] [stderr] warning: constant is never used: `MAX_DOC_PER_BUCKET`
[INFO] [stderr]  --> src/main.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | const MAX_DOC_PER_BUCKET :u32 = 4000000000; // round(2^32)
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `MAX_SHARD_SIZE`
[INFO] [stderr]   --> src/main.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | const MAX_SHARD_SIZE :u8 = 255;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `infini` (bin "infini" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/infini-d39e8caf9b634ea6)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test check_first_value ... ok
[INFO] [stdout] test check_steps ... ok
[INFO] [stdout] test check_last_value ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9a4c1ce03ba573c720355d0f95bc64d4f39039b1d0986942e0f6b687631d1c5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a4c1ce03ba573c720355d0f95bc64d4f39039b1d0986942e0f6b687631d1c5e", kill_on_drop: false }`
[INFO] [stdout] 9a4c1ce03ba573c720355d0f95bc64d4f39039b1d0986942e0f6b687631d1c5e