[INFO] fetching crate blake3-proof-of-work 0.2.1...
[INFO] testing blake3-proof-of-work-0.2.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate blake3-proof-of-work 0.2.1 into /workspace/builds/worker-74/source
[INFO] validating manifest of crates.io crate blake3-proof-of-work 0.2.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate blake3-proof-of-work 0.2.1
[INFO] finished tweaking crates.io crate blake3-proof-of-work 0.2.1
[INFO] tweaked toml for crates.io crate blake3-proof-of-work 0.2.1 written to /workspace/builds/worker-74/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29444cc1c695e1ecebc580d82c836fb96b72d220d2bdebc20b6a05bf51ff302d
[INFO] running `Command { std: "docker" "start" "-a" "29444cc1c695e1ecebc580d82c836fb96b72d220d2bdebc20b6a05bf51ff302d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29444cc1c695e1ecebc580d82c836fb96b72d220d2bdebc20b6a05bf51ff302d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29444cc1c695e1ecebc580d82c836fb96b72d220d2bdebc20b6a05bf51ff302d", kill_on_drop: false }`
[INFO] [stdout] 29444cc1c695e1ecebc580d82c836fb96b72d220d2bdebc20b6a05bf51ff302d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3da87e5cae66ade4e9dae7cd2d75bcefc27d808ec54a0158ea882caf97f3cdd8
[INFO] running `Command { std: "docker" "start" "-a" "3da87e5cae66ade4e9dae7cd2d75bcefc27d808ec54a0158ea882caf97f3cdd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling blake3 v1.3.1
[INFO] [stderr]    Compiling crypto-common v0.1.3
[INFO] [stderr]    Compiling block-buffer v0.10.2
[INFO] [stderr]    Compiling digest v0.10.3
[INFO] [stderr]    Compiling blake3-proof-of-work v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.46s
[INFO] running `Command { std: "docker" "inspect" "3da87e5cae66ade4e9dae7cd2d75bcefc27d808ec54a0158ea882caf97f3cdd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3da87e5cae66ade4e9dae7cd2d75bcefc27d808ec54a0158ea882caf97f3cdd8", kill_on_drop: false }`
[INFO] [stdout] 3da87e5cae66ade4e9dae7cd2d75bcefc27d808ec54a0158ea882caf97f3cdd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f37d2de1ae590838db65f33d44cd67d31ffb474b7eb0f5b6519c0e4da197a95e
[INFO] running `Command { std: "docker" "start" "-a" "f37d2de1ae590838db65f33d44cd67d31ffb474b7eb0f5b6519c0e4da197a95e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling blake3-proof-of-work v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.55s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/blake3_proof_of_work-19c595a5abc7dc63)
[INFO] running `Command { std: "docker" "inspect" "f37d2de1ae590838db65f33d44cd67d31ffb474b7eb0f5b6519c0e4da197a95e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f37d2de1ae590838db65f33d44cd67d31ffb474b7eb0f5b6519c0e4da197a95e", kill_on_drop: false }`
[INFO] [stdout] f37d2de1ae590838db65f33d44cd67d31ffb474b7eb0f5b6519c0e4da197a95e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3fb4ae652b92c016166b2c3eaa29a5f833a521a5359a27796a6e1b73045f979e
[INFO] running `Command { std: "docker" "start" "-a" "3fb4ae652b92c016166b2c3eaa29a5f833a521a5359a27796a6e1b73045f979e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/blake3_proof_of_work-19c595a5abc7dc63)
[INFO] [stdout] test tests::leading_zeros_works ... ok
[INFO] [stdout] test tests::search_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 14.55s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests blake3-proof-of-work
[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" "3fb4ae652b92c016166b2c3eaa29a5f833a521a5359a27796a6e1b73045f979e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fb4ae652b92c016166b2c3eaa29a5f833a521a5359a27796a6e1b73045f979e", kill_on_drop: false }`
[INFO] [stdout] 3fb4ae652b92c016166b2c3eaa29a5f833a521a5359a27796a6e1b73045f979e