[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#4eb62535fc12dd1a63fd43a4173e224e79313c4d for pr-158816
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaiomcg%2Fnuchallenge" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[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-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/caiomcg/nuchallenge on toolchain 4eb62535fc12dd1a63fd43a4173e224e79313c4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.123
[INFO] [stderr]   Downloaded quote v1.0.8
[INFO] [stderr]   Downloaded thread_local v1.1.2
[INFO] [stderr]   Downloaded env_logger v0.8.2
[INFO] [stderr]   Downloaded once_cell v1.5.2
[INFO] [stderr]   Downloaded memchr v2.3.4
[INFO] [stderr]   Downloaded proc-macro2 v1.0.24
[INFO] [stderr]   Downloaded serde v1.0.123
[INFO] [stderr]   Downloaded serde_json v1.0.61
[INFO] [stderr]   Downloaded aho-corasick v0.7.15
[INFO] [stderr]   Downloaded syn v1.0.60
[INFO] [stderr]   Downloaded regex v1.4.3
[INFO] [stderr]   Downloaded regex-syntax v0.6.22
[INFO] [stderr]   Downloaded libc v0.2.82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] df613d674f0db8dc1deb27529459a8a4743a8a93917cee6b2796e7fc71a954b1
[INFO] running `Command { std: "docker" "start" "df613d674f0db8dc1deb27529459a8a4743a8a93917cee6b2796e7fc71a954b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df613d674f0db8dc1deb27529459a8a4743a8a93917cee6b2796e7fc71a954b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "df613d674f0db8dc1deb27529459a8a4743a8a93917cee6b2796e7fc71a954b1" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df613d674f0db8dc1deb27529459a8a4743a8a93917cee6b2796e7fc71a954b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "df613d674f0db8dc1deb27529459a8a4743a8a93917cee6b2796e7fc71a954b1" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking thread_local v1.1.2
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking env_logger v0.8.2
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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<String, ProviderError>;
[INFO] [stdout] 5 |     fn consume(&mut self) -> Result<Vec<String>, ProviderError>;
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 6 |     fn reset(&mut self) -> Result<(), ProviderError>;
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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<String, ProviderError>;
[INFO] [stdout] 5 |     fn consume(&mut self) -> Result<Vec<String>, ProviderError>;
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 6 |     fn reset(&mut self) -> Result<(), ProviderError>;
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.58s
[INFO] running `Command { std: "docker" "inspect" "df613d674f0db8dc1deb27529459a8a4743a8a93917cee6b2796e7fc71a954b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df613d674f0db8dc1deb27529459a8a4743a8a93917cee6b2796e7fc71a954b1", kill_on_drop: false }`
[INFO] [stdout] df613d674f0db8dc1deb27529459a8a4743a8a93917cee6b2796e7fc71a954b1
