[INFO] cloning repository https://github.com/bahelms/hadcoin [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bahelms/hadcoin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbahelms%2Fhadcoin", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbahelms%2Fhadcoin'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a1eb73f73a4980ec0f2f57ea07dc776606576792 [INFO] checking bahelms/hadcoin against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbahelms%2Fhadcoin" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bahelms/hadcoin on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/bahelms/hadcoin [INFO] finished tweaking git repo https://github.com/bahelms/hadcoin [INFO] tweaked toml for git repo https://github.com/bahelms/hadcoin written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/bahelms/hadcoin 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded sha256 v1.0.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] da3eb6215c42e5488bd2f3edeef63f68b36f2d7d01a6f630febf83b44caaa413 [INFO] running `Command { std: "docker" "start" "-a" "da3eb6215c42e5488bd2f3edeef63f68b36f2d7d01a6f630febf83b44caaa413", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "da3eb6215c42e5488bd2f3edeef63f68b36f2d7d01a6f630febf83b44caaa413", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da3eb6215c42e5488bd2f3edeef63f68b36f2d7d01a6f630febf83b44caaa413", kill_on_drop: false }` [INFO] [stdout] da3eb6215c42e5488bd2f3edeef63f68b36f2d7d01a6f630febf83b44caaa413 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 21e5871251e209a4266635ce143be9ea8a489927b1da8e8514e029b35733be8c [INFO] running `Command { std: "docker" "start" "-a" "21e5871251e209a4266635ce143be9ea8a489927b1da8e8514e029b35733be8c", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Checking pin-project-lite v0.2.8 [INFO] [stderr] Compiling log v0.4.16 [INFO] [stderr] Compiling parking_lot_core v0.9.1 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Compiling typenum v1.15.0 [INFO] [stderr] Compiling generic-array v0.14.5 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Checking lock_api v0.4.6 [INFO] [stderr] Checking slab v0.4.5 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Checking once_cell v1.10.0 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Checking tracing-core v0.1.23 [INFO] [stderr] Checking http v0.2.6 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling httparse v1.6.0 [INFO] [stderr] Checking opaque-debug v0.3.0 [INFO] [stderr] Compiling serde_json v1.0.79 [INFO] [stderr] Checking try-lock v0.2.3 [INFO] [stderr] Checking cpufeatures v0.2.1 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Checking tower-service v0.3.1 [INFO] [stderr] Checking httpdate v1.0.2 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking tracing v0.1.32 [INFO] [stderr] Checking mio v0.8.2 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking socket2 v0.4.4 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Checking parking_lot v0.12.0 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking sha2 v0.9.9 [INFO] [stderr] Checking http-body v0.4.4 [INFO] [stderr] Checking sha256 v1.0.3 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Checking tokio v1.17.0 [INFO] [stderr] Checking futures-executor v0.3.21 [INFO] [stderr] Checking tokio-util v0.6.9 [INFO] [stderr] Checking futures v0.3.21 [INFO] [stderr] Checking h2 v0.3.12 [INFO] [stderr] Checking hyper v0.14.18 [INFO] [stderr] Checking hadcoin v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `is_valid` is never used [INFO] [stdout] --> src/blockchain.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 12 | impl Blockchain { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 29 | pub fn is_valid(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.46s [INFO] running `Command { std: "docker" "inspect" "21e5871251e209a4266635ce143be9ea8a489927b1da8e8514e029b35733be8c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21e5871251e209a4266635ce143be9ea8a489927b1da8e8514e029b35733be8c", kill_on_drop: false }` [INFO] [stdout] 21e5871251e209a4266635ce143be9ea8a489927b1da8e8514e029b35733be8c [INFO] checking bahelms/hadcoin against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbahelms%2Fhadcoin" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bahelms/hadcoin on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/bahelms/hadcoin [INFO] finished tweaking git repo https://github.com/bahelms/hadcoin [INFO] tweaked toml for git repo https://github.com/bahelms/hadcoin written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/bahelms/hadcoin 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 16113c4e7b36b0bf0ee201e5ef0d61a7b8ca45e5b8f8072924e83e450ff2ba9d [INFO] running `Command { std: "docker" "start" "-a" "16113c4e7b36b0bf0ee201e5ef0d61a7b8ca45e5b8f8072924e83e450ff2ba9d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "16113c4e7b36b0bf0ee201e5ef0d61a7b8ca45e5b8f8072924e83e450ff2ba9d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "16113c4e7b36b0bf0ee201e5ef0d61a7b8ca45e5b8f8072924e83e450ff2ba9d", kill_on_drop: false }` [INFO] [stdout] 16113c4e7b36b0bf0ee201e5ef0d61a7b8ca45e5b8f8072924e83e450ff2ba9d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8f7eaf52c8a5f9168d9300f6310dfb364a86a8f21c022fbabf506940321bc520 [INFO] running `Command { std: "docker" "start" "-a" "8f7eaf52c8a5f9168d9300f6310dfb364a86a8f21c022fbabf506940321bc520", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Checking pin-project-lite v0.2.8 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling log v0.4.16 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Compiling parking_lot_core v0.9.1 [INFO] [stderr] Compiling typenum v1.15.0 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Compiling generic-array v0.14.5 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Checking lock_api v0.4.6 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Checking slab v0.4.5 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Checking once_cell v1.10.0 [INFO] [stderr] Checking tracing-core v0.1.23 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Compiling httparse v1.6.0 [INFO] [stderr] Checking try-lock v0.2.3 [INFO] [stderr] Checking opaque-debug v0.3.0 [INFO] [stderr] Compiling serde_json v1.0.79 [INFO] [stderr] Checking cpufeatures v0.2.1 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking httpdate v1.0.2 [INFO] [stderr] Checking tower-service v0.3.1 [INFO] [stderr] Checking http v0.2.6 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Checking tracing v0.1.32 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Checking socket2 v0.4.4 [INFO] [stderr] Checking mio v0.8.2 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking parking_lot v0.12.0 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking http-body v0.4.4 [INFO] [stderr] Checking sha2 v0.9.9 [INFO] [stderr] Checking sha256 v1.0.3 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Checking tokio v1.17.0 [INFO] [stderr] Checking futures-executor v0.3.21 [INFO] [stderr] Checking futures v0.3.21 [INFO] [stderr] Checking tokio-util v0.6.9 [INFO] [stderr] Checking h2 v0.3.12 [INFO] [stderr] Checking hyper v0.14.18 [INFO] [stderr] Checking hadcoin v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `is_valid` is never used [INFO] [stdout] --> src/blockchain.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 12 | impl Blockchain { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 29 | pub fn is_valid(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.25s [INFO] running `Command { std: "docker" "inspect" "8f7eaf52c8a5f9168d9300f6310dfb364a86a8f21c022fbabf506940321bc520", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f7eaf52c8a5f9168d9300f6310dfb364a86a8f21c022fbabf506940321bc520", kill_on_drop: false }` [INFO] [stdout] 8f7eaf52c8a5f9168d9300f6310dfb364a86a8f21c022fbabf506940321bc520