[INFO] cloning repository https://github.com/pefontana/programming_bitcoin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pefontana/programming_bitcoin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpefontana%2Fprogramming_bitcoin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpefontana%2Fprogramming_bitcoin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] def6a5ed35dc9668eeb3c7eec2a862e5b1650cee
[INFO] checking pefontana/programming_bitcoin against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpefontana%2Fprogramming_bitcoin" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/pefontana/programming_bitcoin
[INFO] finished tweaking git repo https://github.com/pefontana/programming_bitcoin
[INFO] tweaked toml for git repo https://github.com/pefontana/programming_bitcoin written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pefontana/programming_bitcoin on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pefontana/programming_bitcoin already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 989d385aca71807cc3add0bfc6c6c912c0076a49b6ac3890db16a3fafa29fd33
[INFO] running `Command { std: "docker" "start" "-a" "989d385aca71807cc3add0bfc6c6c912c0076a49b6ac3890db16a3fafa29fd33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "989d385aca71807cc3add0bfc6c6c912c0076a49b6ac3890db16a3fafa29fd33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "989d385aca71807cc3add0bfc6c6c912c0076a49b6ac3890db16a3fafa29fd33", kill_on_drop: false }`
[INFO] [stdout] 989d385aca71807cc3add0bfc6c6c912c0076a49b6ac3890db16a3fafa29fd33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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 -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 576d54cc373dbe312f8b41d7cd7e1291fe1b38da6f36f1e21e227258817948d8
[INFO] running `Command { std: "docker" "start" "-a" "576d54cc373dbe312f8b41d7cd7e1291fe1b38da6f36f1e21e227258817948d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.0
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling rug v1.20.1
[INFO] [stderr]    Compiling thiserror v1.0.47
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.47
[INFO] [stderr]     Checking programming_bitcoin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<Integer, Infallible>
[INFO] [stdout]   --> src/private_key.rs:32:26
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let k: Integer = N.clone().random_below_ref(&mut rand).try_into().unwrap();
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `programming_bitcoin` (bin "programming_bitcoin") due to 1 previous error
[INFO] [stdout] error: this type will no longer be must used: Result<rug::Integer, Infallible>
[INFO] [stdout]   --> src/private_key.rs:32:26
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let k: Integer = N.clone().random_below_ref(&mut rand).try_into().unwrap();
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `programming_bitcoin` (bin "programming_bitcoin" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "576d54cc373dbe312f8b41d7cd7e1291fe1b38da6f36f1e21e227258817948d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "576d54cc373dbe312f8b41d7cd7e1291fe1b38da6f36f1e21e227258817948d8", kill_on_drop: false }`
[INFO] [stdout] 576d54cc373dbe312f8b41d7cd7e1291fe1b38da6f36f1e21e227258817948d8
