[INFO] cloning repository https://github.com/caiomcg/nuchallenge [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/caiomcg/nuchallenge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaiomcg%2Fnuchallenge", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaiomcg%2Fnuchallenge'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3d7ca73738864bf6d0d6b500a9bd89f66365eb68 [INFO] checking caiomcg/nuchallenge against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaiomcg%2Fnuchallenge" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/caiomcg/nuchallenge 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/caiomcg/nuchallenge [INFO] finished tweaking git repo https://github.com/caiomcg/nuchallenge [INFO] tweaked toml for git repo https://github.com/caiomcg/nuchallenge written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/caiomcg/nuchallenge 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 thread_local v1.1.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1a86014a143762e8bdb4815adce6acce21a3dfefaa9da735db5a3b58d1ab5cd1 [INFO] running `Command { std: "docker" "start" "-a" "1a86014a143762e8bdb4815adce6acce21a3dfefaa9da735db5a3b58d1ab5cd1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1a86014a143762e8bdb4815adce6acce21a3dfefaa9da735db5a3b58d1ab5cd1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a86014a143762e8bdb4815adce6acce21a3dfefaa9da735db5a3b58d1ab5cd1", kill_on_drop: false }` [INFO] [stdout] 1a86014a143762e8bdb4815adce6acce21a3dfefaa9da735db5a3b58d1ab5cd1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] c788def8305cb443f89fbf3983f07130eac9eac79c1e5775445b0915da49bd0d [INFO] running `Command { std: "docker" "start" "-a" "c788def8305cb443f89fbf3983f07130eac9eac79c1e5775445b0915da49bd0d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.82 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking thread_local v1.1.2 [INFO] [stderr] Compiling serde_json v1.0.61 [INFO] [stderr] Checking regex-syntax v0.6.22 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Checking itertools v0.10.0 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking env_logger v0.8.2 [INFO] [stderr] Compiling serde_derive v1.0.123 [INFO] [stderr] Checking serde v1.0.123 [INFO] [stderr] Checking authorizer v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `provider_factory::ProviderFactory` [INFO] [stdout] --> src/data_provider/mod.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | pub use provider_factory::ProviderFactory; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `provider_factory::ProviderFactory` [INFO] [stdout] --> src/data_provider/mod.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | pub use provider_factory::ProviderFactory; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::MappingError` [INFO] [stdout] --> src/mapping/mapping_error.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | use super::MappingError; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `consume` and `reset` are never used [INFO] [stdout] --> src/data_provider/data_provider.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub trait DataProvider { [INFO] [stdout] | ------------ methods in this trait [INFO] [stdout] 4 | fn fetch(&mut self) -> Result; [INFO] [stdout] 5 | fn consume(&mut self) -> Result, ProviderError>; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 6 | fn reset(&mut self) -> Result<(), ProviderError>; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `consume` and `reset` are never used [INFO] [stdout] --> src/data_provider/data_provider.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub trait DataProvider { [INFO] [stdout] | ------------ methods in this trait [INFO] [stdout] 4 | fn fetch(&mut self) -> Result; [INFO] [stdout] 5 | fn consume(&mut self) -> Result, ProviderError>; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 6 | fn reset(&mut self) -> Result<(), ProviderError>; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.52s [INFO] running `Command { std: "docker" "inspect" "c788def8305cb443f89fbf3983f07130eac9eac79c1e5775445b0915da49bd0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c788def8305cb443f89fbf3983f07130eac9eac79c1e5775445b0915da49bd0d", kill_on_drop: false }` [INFO] [stdout] c788def8305cb443f89fbf3983f07130eac9eac79c1e5775445b0915da49bd0d [INFO] checking caiomcg/nuchallenge against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaiomcg%2Fnuchallenge" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/caiomcg/nuchallenge on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/caiomcg/nuchallenge [INFO] finished tweaking git repo https://github.com/caiomcg/nuchallenge [INFO] tweaked toml for git repo https://github.com/caiomcg/nuchallenge written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/caiomcg/nuchallenge 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 070409a095afb41924755f55e815a1504a0438420a1b09576165a5fb89deabc4 [INFO] running `Command { std: "docker" "start" "-a" "070409a095afb41924755f55e815a1504a0438420a1b09576165a5fb89deabc4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "070409a095afb41924755f55e815a1504a0438420a1b09576165a5fb89deabc4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "070409a095afb41924755f55e815a1504a0438420a1b09576165a5fb89deabc4", kill_on_drop: false }` [INFO] [stdout] 070409a095afb41924755f55e815a1504a0438420a1b09576165a5fb89deabc4 [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" "-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ba5d11352190065ecc7fd3335f411a9f9e9dc78d9b0fdf4ea6b5239aa4d30b70 [INFO] running `Command { std: "docker" "start" "-a" "ba5d11352190065ecc7fd3335f411a9f9e9dc78d9b0fdf4ea6b5239aa4d30b70", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.82 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Compiling serde_json v1.0.61 [INFO] [stderr] Checking regex-syntax v0.6.22 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking thread_local v1.1.2 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Checking itertools v0.10.0 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking env_logger v0.8.2 [INFO] [stderr] Compiling serde_derive v1.0.123 [INFO] [stderr] Checking serde v1.0.123 [INFO] [stderr] Checking authorizer v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `provider_factory::ProviderFactory` [INFO] [stdout] --> src/data_provider/mod.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | pub use provider_factory::ProviderFactory; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::MappingError` [INFO] [stdout] --> src/mapping/mapping_error.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | use super::MappingError; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `provider_factory::ProviderFactory` [INFO] [stdout] --> src/data_provider/mod.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | pub use provider_factory::ProviderFactory; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `consume` and `reset` are never used [INFO] [stdout] --> src/data_provider/data_provider.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub trait DataProvider { [INFO] [stdout] | ------------ methods in this trait [INFO] [stdout] 4 | fn fetch(&mut self) -> Result; [INFO] [stdout] 5 | fn consume(&mut self) -> Result, ProviderError>; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 6 | fn reset(&mut self) -> Result<(), ProviderError>; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `consume` and `reset` are never used [INFO] [stdout] --> src/data_provider/data_provider.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub trait DataProvider { [INFO] [stdout] | ------------ methods in this trait [INFO] [stdout] 4 | fn fetch(&mut self) -> Result; [INFO] [stdout] 5 | fn consume(&mut self) -> Result, ProviderError>; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 6 | fn reset(&mut self) -> Result<(), ProviderError>; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.49s [INFO] running `Command { std: "docker" "inspect" "ba5d11352190065ecc7fd3335f411a9f9e9dc78d9b0fdf4ea6b5239aa4d30b70", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba5d11352190065ecc7fd3335f411a9f9e9dc78d9b0fdf4ea6b5239aa4d30b70", kill_on_drop: false }` [INFO] [stdout] ba5d11352190065ecc7fd3335f411a9f9e9dc78d9b0fdf4ea6b5239aa4d30b70