[INFO] fetching crate brute-force 0.2.0...
[INFO] testing brute-force-0.2.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate brute-force 0.2.0 into /workspace/builds/worker-17/source
[INFO] validating manifest of crates.io crate brute-force 0.2.0 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 crates.io crate brute-force 0.2.0
[INFO] finished tweaking crates.io crate brute-force 0.2.0
[INFO] tweaked toml for crates.io crate brute-force 0.2.0 written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] a613da49679ebcbc1631e4ee27e22bf4a2555bd702885405d25a008cebbe66b2
[INFO] running `Command { std: "docker" "start" "-a" "a613da49679ebcbc1631e4ee27e22bf4a2555bd702885405d25a008cebbe66b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a613da49679ebcbc1631e4ee27e22bf4a2555bd702885405d25a008cebbe66b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a613da49679ebcbc1631e4ee27e22bf4a2555bd702885405d25a008cebbe66b2", kill_on_drop: false }`
[INFO] [stdout] a613da49679ebcbc1631e4ee27e22bf4a2555bd702885405d25a008cebbe66b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 0991741dfedb2947a0cfe42198a54de955fb45a08ffb71ed838d00e025ff6d78
[INFO] running `Command { std: "docker" "start" "-a" "0991741dfedb2947a0cfe42198a54de955fb45a08ffb71ed838d00e025ff6d78", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling crossbeam-channel v0.5.2
[INFO] [stderr]    Compiling brute-force v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.17s
[INFO] running `Command { std: "docker" "inspect" "0991741dfedb2947a0cfe42198a54de955fb45a08ffb71ed838d00e025ff6d78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0991741dfedb2947a0cfe42198a54de955fb45a08ffb71ed838d00e025ff6d78", kill_on_drop: false }`
[INFO] [stdout] 0991741dfedb2947a0cfe42198a54de955fb45a08ffb71ed838d00e025ff6d78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] c8c52e2f144ab11ac4422a815bc5de0fd885757328686405f9f76fd290fd780c
[INFO] running `Command { std: "docker" "start" "-a" "c8c52e2f144ab11ac4422a815bc5de0fd885757328686405f9f76fd290fd780c", kill_on_drop: false }`
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling blake2 v0.9.2
[INFO] [stderr]    Compiling brute-force v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.86s
[INFO] running `Command { std: "docker" "inspect" "c8c52e2f144ab11ac4422a815bc5de0fd885757328686405f9f76fd290fd780c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8c52e2f144ab11ac4422a815bc5de0fd885757328686405f9f76fd290fd780c", kill_on_drop: false }`
[INFO] [stdout] c8c52e2f144ab11ac4422a815bc5de0fd885757328686405f9f76fd290fd780c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 69da2bb020e174ad46427bc8f75dfa6339bc48a9a507015ef9aeb0e10f55a9e4
[INFO] running `Command { std: "docker" "start" "-a" "69da2bb020e174ad46427bc8f75dfa6339bc48a9a507015ef9aeb0e10f55a9e4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/brute_force-076659d37250d4cc)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::propagate_panics::propagate_panics - should panic ... ok
[INFO] [stdout] test tests::proof_of_work::proof_of_work ... ok
[INFO] [stderr]    Doc-tests brute-force
[INFO] [stdout] test tests::pollard_rho_search::polard_rho_search ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 13.11s
[INFO] [stdout] 
[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" "69da2bb020e174ad46427bc8f75dfa6339bc48a9a507015ef9aeb0e10f55a9e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69da2bb020e174ad46427bc8f75dfa6339bc48a9a507015ef9aeb0e10f55a9e4", kill_on_drop: false }`
[INFO] [stdout] 69da2bb020e174ad46427bc8f75dfa6339bc48a9a507015ef9aeb0e10f55a9e4