[INFO] fetching crate snowflake-multi-threaded 0.1.4...
[INFO] testing snowflake-multi-threaded-0.1.4 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate snowflake-multi-threaded 0.1.4 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate snowflake-multi-threaded 0.1.4 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate snowflake-multi-threaded 0.1.4
[INFO] finished tweaking crates.io crate snowflake-multi-threaded 0.1.4
[INFO] tweaked toml for crates.io crate snowflake-multi-threaded 0.1.4 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4a918765ba3277bf27c1764fc9f585de2d473efa2b41f43773f6b59b153c63e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b4a918765ba3277bf27c1764fc9f585de2d473efa2b41f43773f6b59b153c63e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4a918765ba3277bf27c1764fc9f585de2d473efa2b41f43773f6b59b153c63e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4a918765ba3277bf27c1764fc9f585de2d473efa2b41f43773f6b59b153c63e", kill_on_drop: false }`
[INFO] [stdout] b4a918765ba3277bf27c1764fc9f585de2d473efa2b41f43773f6b59b153c63e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9327a26d3af7ee1dabe53ec81be4ed43c9c3d268a94c7a80c3d85e9f8f689b9c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9327a26d3af7ee1dabe53ec81be4ed43c9c3d268a94c7a80c3d85e9f8f689b9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling snowflake-multi-threaded v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `worker_id_bits`
[INFO] [stdout]   --> src/lib.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     worker_id_bits: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `datacenter_id_bits`
[INFO] [stdout]   --> src/lib.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     datacenter_id_bits: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sequence_bits`
[INFO] [stdout]   --> src/lib.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     sequence_bits: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.26s
[INFO] running `Command { std: "docker" "inspect" "9327a26d3af7ee1dabe53ec81be4ed43c9c3d268a94c7a80c3d85e9f8f689b9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9327a26d3af7ee1dabe53ec81be4ed43c9c3d268a94c7a80c3d85e9f8f689b9c", kill_on_drop: false }`
[INFO] [stdout] 9327a26d3af7ee1dabe53ec81be4ed43c9c3d268a94c7a80c3d85e9f8f689b9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f5783d27b1aaf57af57376f0a87197d0897077faa311c7b7a238cdc2266731f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2f5783d27b1aaf57af57376f0a87197d0897077faa311c7b7a238cdc2266731f", kill_on_drop: false }`
[INFO] [stderr]    Compiling snowflake-multi-threaded v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `worker_id_bits`
[INFO] [stdout]   --> src/lib.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     worker_id_bits: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `datacenter_id_bits`
[INFO] [stdout]   --> src/lib.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     datacenter_id_bits: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sequence_bits`
[INFO] [stdout]   --> src/lib.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     sequence_bits: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `worker_id_bits`
[INFO] [stdout]   --> src/lib.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     worker_id_bits: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `datacenter_id_bits`
[INFO] [stdout]   --> src/lib.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     datacenter_id_bits: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sequence_bits`
[INFO] [stdout]   --> src/lib.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     sequence_bits: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "2f5783d27b1aaf57af57376f0a87197d0897077faa311c7b7a238cdc2266731f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f5783d27b1aaf57af57376f0a87197d0897077faa311c7b7a238cdc2266731f", kill_on_drop: false }`
[INFO] [stdout] 2f5783d27b1aaf57af57376f0a87197d0897077faa311c7b7a238cdc2266731f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 20e1952191355cc19ed024c57a1733a9e6d85fbe54185cd1b1a0146dbdcda3b2
[INFO] running `Command { std: "docker" "start" "-a" "20e1952191355cc19ed024c57a1733a9e6d85fbe54185cd1b1a0146dbdcda3b2", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `worker_id_bits`
[INFO] [stderr]   --> src/lib.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     worker_id_bits: u8,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `datacenter_id_bits`
[INFO] [stderr]   --> src/lib.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     datacenter_id_bits: u8,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `sequence_bits`
[INFO] [stderr]   --> src/lib.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     sequence_bits: u8,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `snowflake-multi-threaded` (lib) generated 3 warnings
[INFO] [stdout] 
[INFO] [stderr] warning: `snowflake-multi-threaded` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stdout] running 2 tests
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] test test::loop_test ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/snowflake_multi_threaded-66f3b04d464a5584)
[INFO] [stdout] test test::multi_thread ... ok
[INFO] [stderr]    Doc-tests snowflake-multi-threaded
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - SnowFlakeId::generate_id (line 90) ... ok
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] test src/lib.rs - SnowFlakeId::new (line 58) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.06s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "20e1952191355cc19ed024c57a1733a9e6d85fbe54185cd1b1a0146dbdcda3b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20e1952191355cc19ed024c57a1733a9e6d85fbe54185cd1b1a0146dbdcda3b2", kill_on_drop: false }`
[INFO] [stdout] 20e1952191355cc19ed024c57a1733a9e6d85fbe54185cd1b1a0146dbdcda3b2