[INFO] fetching crate elliptic_curve_cryptography_tools 0.1.0...
[INFO] checking elliptic_curve_cryptography_tools-0.1.0 against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] extracting crate elliptic_curve_cryptography_tools 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate elliptic_curve_cryptography_tools 0.1.0
[INFO] finished tweaking crates.io crate elliptic_curve_cryptography_tools 0.1.0
[INFO] tweaked toml for crates.io crate elliptic_curve_cryptography_tools 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate elliptic_curve_cryptography_tools 0.1.0 on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 32 packages to latest compatible versions
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding rand v0.8.6 (available: v0.10.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75de3ef887336df5ddc0910c217b637dc61e2768fcf3f70d7140312b28b5e209
[INFO] running `Command { std: "docker" "start" "-a" "75de3ef887336df5ddc0910c217b637dc61e2768fcf3f70d7140312b28b5e209", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75de3ef887336df5ddc0910c217b637dc61e2768fcf3f70d7140312b28b5e209", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75de3ef887336df5ddc0910c217b637dc61e2768fcf3f70d7140312b28b5e209", kill_on_drop: false }`
[INFO] [stdout] 75de3ef887336df5ddc0910c217b637dc61e2768fcf3f70d7140312b28b5e209
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3963d873a7c8a45f2a8872ca558b75995311b0b54b7ec1e6b27b9753e182abc6
[INFO] running `Command { std: "docker" "start" "-a" "3963d873a7c8a45f2a8872ca558b75995311b0b54b7ec1e6b27b9753e182abc6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]     Checking typenum v1.20.1
[INFO] [stderr]    Compiling zerocopy v0.8.50
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking tokio v1.52.3
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking crypto-common v0.1.7
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]     Checking sha256 v1.6.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking elliptic_curve_cryptography_tools v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `ECDSA` is never constructed
[INFO] [stdout]   --> src/ecdsa.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct ECDSA {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `elliptic_curve_cryptography_tools` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3963d873a7c8a45f2a8872ca558b75995311b0b54b7ec1e6b27b9753e182abc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3963d873a7c8a45f2a8872ca558b75995311b0b54b7ec1e6b27b9753e182abc6", kill_on_drop: false }`
[INFO] [stdout] 3963d873a7c8a45f2a8872ca558b75995311b0b54b7ec1e6b27b9753e182abc6
