[INFO] cloning repository https://github.com/bsvwasm/blake3-pow
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bsvwasm/blake3-pow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbsvwasm%2Fblake3-pow", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbsvwasm%2Fblake3-pow'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a43c8e0b73197a82a3149dbb6554422f4b7025af
[INFO] testing bsvwasm/blake3-pow against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbsvwasm%2Fblake3-pow" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bsvwasm/blake3-pow on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bsvwasm/blake3-pow
[INFO] finished tweaking git repo https://github.com/bsvwasm/blake3-pow
[INFO] tweaked toml for git repo https://github.com/bsvwasm/blake3-pow written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/bsvwasm/blake3-pow already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: build
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uint v0.9.1
[INFO] [stderr]   Downloaded primitive-types v0.10.1
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.25
[INFO] [stderr]   Downloaded blake3 v1.0.0
[INFO] [stderr]   Downloaded unroll v0.1.5
[INFO] [stderr]   Downloaded impl-codec v0.5.1
[INFO] [stderr]   Downloaded parity-scale-codec-derive v2.2.0
[INFO] [stderr]   Downloaded parity-scale-codec v2.2.0
[INFO] [stderr]   Downloaded bitvec v0.20.4
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4479137c3832a8a746d67ed482e6ba621662a2301f0f3bd4fe257dd19a3883d3
[INFO] running `Command { std: "docker" "start" "-a" "4479137c3832a8a746d67ed482e6ba621662a2301f0f3bd4fe257dd19a3883d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4479137c3832a8a746d67ed482e6ba621662a2301f0f3bd4fe257dd19a3883d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4479137c3832a8a746d67ed482e6ba621662a2301f0f3bd4fe257dd19a3883d3", kill_on_drop: false }`
[INFO] [stdout] 4479137c3832a8a746d67ed482e6ba621662a2301f0f3bd4fe257dd19a3883d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 670024433b8da6964d73c29efcc1bd42b877b0c669d55a387551ff8e067dfdb8
[INFO] running `Command { std: "docker" "start" "-a" "670024433b8da6964d73c29efcc1bd42b877b0c669d55a387551ff8e067dfdb8", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: build
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.75
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling arrayvec v0.7.1
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling bumpalo v3.7.0
[INFO] [stderr]    Compiling byte-slice-cast v1.0.0
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling wasm-bindgen v0.2.75
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling cpufeatures v0.1.5
[INFO] [stderr]    Compiling memory_units v0.4.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling sha2 v0.9.5
[INFO] [stderr]    Compiling uint v0.9.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling bitvec v0.20.4
[INFO] [stderr]    Compiling blake3 v1.0.0
[INFO] [stderr]    Compiling fixed-hash v0.7.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.75
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.75
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.1
[INFO] [stderr]    Compiling unroll v0.1.5
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.75
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]    Compiling parity-scale-codec-derive v2.2.0
[INFO] [stderr]    Compiling parity-scale-codec v2.2.0
[INFO] [stderr]    Compiling impl-codec v0.5.1
[INFO] [stderr]    Compiling primitive-types v0.10.1
[INFO] [stderr]    Compiling blake3_pow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `borrow::Cow`, `panic::panic_any`
[INFO] [stdout]  --> src/proof_of_work.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{borrow::Cow, panic::panic_any};
[INFO] [stdout]   |           ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `unroll::unroll_for_loops`
[INFO] [stdout]  --> src/proof_of_work.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use unroll::unroll_for_loops;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sha2::Digest`
[INFO] [stdout]  --> src/proof_of_work.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use sha2::Digest;
[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 46.30s
[INFO] running `Command { std: "docker" "inspect" "670024433b8da6964d73c29efcc1bd42b877b0c669d55a387551ff8e067dfdb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "670024433b8da6964d73c29efcc1bd42b877b0c669d55a387551ff8e067dfdb8", kill_on_drop: false }`
[INFO] [stdout] 670024433b8da6964d73c29efcc1bd42b877b0c669d55a387551ff8e067dfdb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 399bb27420837146c7b5aaaa98523a8833f3ef27363f68fc7a6fad75129b9c58
[INFO] running `Command { std: "docker" "start" "-a" "399bb27420837146c7b5aaaa98523a8833f3ef27363f68fc7a6fad75129b9c58", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: build
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.25
[INFO] [stderr]    Compiling js-sys v0.3.52
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.6
[INFO] [stdout] warning: unused imports: `borrow::Cow`, `panic::panic_any`
[INFO] [stdout]  --> src/proof_of_work.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{borrow::Cow, panic::panic_any};
[INFO] [stdout]   |           ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `unroll::unroll_for_loops`
[INFO] [stdout]  --> src/proof_of_work.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use unroll::unroll_for_loops;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sha2::Digest`
[INFO] [stdout]  --> src/proof_of_work.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use sha2::Digest;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.4.25
[INFO] [stderr]    Compiling wasm-bindgen-test v0.3.25
[INFO] [stderr]    Compiling blake3_pow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `borrow::Cow`, `panic::panic_any`
[INFO] [stdout]  --> src/proof_of_work.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{borrow::Cow, panic::panic_any};
[INFO] [stdout]   |           ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `unroll::unroll_for_loops`
[INFO] [stdout]  --> src/proof_of_work.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use unroll::unroll_for_loops;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sha2::Digest`
[INFO] [stdout]  --> src/proof_of_work.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use sha2::Digest;
[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 9.09s
[INFO] running `Command { std: "docker" "inspect" "399bb27420837146c7b5aaaa98523a8833f3ef27363f68fc7a6fad75129b9c58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "399bb27420837146c7b5aaaa98523a8833f3ef27363f68fc7a6fad75129b9c58", kill_on_drop: false }`
[INFO] [stdout] 399bb27420837146c7b5aaaa98523a8833f3ef27363f68fc7a6fad75129b9c58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 396c644e6eaeb3436c13a8fd60710d1058efd076c1e1b448786ea7d74c6b05f8
[INFO] running `Command { std: "docker" "start" "-a" "396c644e6eaeb3436c13a8fd60710d1058efd076c1e1b448786ea7d74c6b05f8", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: build
[INFO] [stderr] warning: unused imports: `borrow::Cow`, `panic::panic_any`
[INFO] [stderr]  --> src/proof_of_work.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{borrow::Cow, panic::panic_any};
[INFO] [stderr]   |           ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `unroll::unroll_for_loops`
[INFO] [stderr]  --> src/proof_of_work.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use unroll::unroll_for_loops;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sha2::Digest`
[INFO] [stderr]  --> src/proof_of_work.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use sha2::Digest;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `blake3_pow` (lib) generated 3 warnings
[INFO] [stderr] warning: `blake3_pow` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/blake3_pow-2310c0c6e45697a3)
[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] [stderr]      Running tests/pow_test.rs (/opt/rustwide/target/debug/deps/pow_test-53801c09f7e5d0e2)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::easy_mine_target ... ok
[INFO] [stdout] test tests::medium_mine_target ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 11.76s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests blake3_pow
[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" "396c644e6eaeb3436c13a8fd60710d1058efd076c1e1b448786ea7d74c6b05f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "396c644e6eaeb3436c13a8fd60710d1058efd076c1e1b448786ea7d74c6b05f8", kill_on_drop: false }`
[INFO] [stdout] 396c644e6eaeb3436c13a8fd60710d1058efd076c1e1b448786ea7d74c6b05f8