[INFO] cloning repository https://github.com/elichai/bitsign
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/elichai/bitsign" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felichai%2Fbitsign", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felichai%2Fbitsign'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f19cadd46be87db80954e5ebe4cc07c1e94ee98a
[INFO] checking elichai/bitsign 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%2Felichai%2Fbitsign" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/elichai/bitsign
[INFO] finished tweaking git repo https://github.com/elichai/bitsign
[INFO] tweaked toml for git repo https://github.com/elichai/bitsign written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/elichai/bitsign 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/elichai/bitsign 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b78cf9fdef4ea98ccf201b793dc4e55a4cd4e98964c00538671e6dd612ee833c
[INFO] running `Command { std: "docker" "start" "-a" "b78cf9fdef4ea98ccf201b793dc4e55a4cd4e98964c00538671e6dd612ee833c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b78cf9fdef4ea98ccf201b793dc4e55a4cd4e98964c00538671e6dd612ee833c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b78cf9fdef4ea98ccf201b793dc4e55a4cd4e98964c00538671e6dd612ee833c", kill_on_drop: false }`
[INFO] [stdout] b78cf9fdef4ea98ccf201b793dc4e55a4cd4e98964c00538671e6dd612ee833c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 8dc850cec689972f61d68ed6192349f4bc48de15043ae35ede8b0413db095818
[INFO] running `Command { std: "docker" "start" "-a" "8dc850cec689972f61d68ed6192349f4bc48de15043ae35ede8b0413db095818", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking bech32 v0.7.1
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling secp256k1 v0.15.5
[INFO] [stderr]     Checking bitcoin_hashes v0.7.1
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling structopt-derive v0.3.3
[INFO] [stderr]     Checking structopt v0.3.3
[INFO] [stderr]     Checking bitcoin v0.21.0
[INFO] [stderr]     Checking bitsign v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 | /         /// The message to sign on.
[INFO] [stdout] 31 | |         message: String,
[INFO] [stdout]    | |_______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 | /         /// The message being verified.
[INFO] [stdout] 42 | |         message: String,
[INFO] [stdout]    | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 | /         /// The Base64 Signature.
[INFO] [stdout] 44 | |         signature: String,
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 | /         /// The message to sign on.
[INFO] [stdout] 31 | |         message: String,
[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 `bitsign` (bin "bitsign") due to 3 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 | /         /// The message being verified.
[INFO] [stdout] 42 | |         message: String,
[INFO] [stdout]    | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 | /         /// The Base64 Signature.
[INFO] [stdout] 44 | |         signature: String,
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bitsign` (bin "bitsign" test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "8dc850cec689972f61d68ed6192349f4bc48de15043ae35ede8b0413db095818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dc850cec689972f61d68ed6192349f4bc48de15043ae35ede8b0413db095818", kill_on_drop: false }`
[INFO] [stdout] 8dc850cec689972f61d68ed6192349f4bc48de15043ae35ede8b0413db095818