[INFO] crate nrfind 1.0.3 is already in cache [INFO] checking nrfind-1.0.3 against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037 [INFO] extracting crate nrfind 1.0.3 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate nrfind 1.0.3 on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494 [INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate nrfind 1.0.3 [INFO] finished tweaking crates.io crate nrfind 1.0.3 [INFO] tweaked toml for crates.io crate nrfind 1.0.3 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate crates.io crate nrfind 1.0.3 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] f68408c66182ddd4f0d9718618077b4d8005ee02d7ad8786382fbfa8c25e557f [INFO] running `"docker" "start" "-a" "f68408c66182ddd4f0d9718618077b4d8005ee02d7ad8786382fbfa8c25e557f"` [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-bigint v0.2.3 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling num-complex v0.2.3 [INFO] [stderr] Checking num-integer v0.1.41 [INFO] [stderr] Checking num v0.2.0 [INFO] [stderr] Checking nrfind v1.0.3 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:71:32 [INFO] [stderr] | [INFO] [stderr] 71 | pub fn find_root(function: &Fn(N) -> N, derivative: &Fn(N) -> N, x0: N, acceptable_err: N, max_iterations: i32) -> NumericSolutionResult [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn Fn(N) -> N` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:71:57 [INFO] [stderr] | [INFO] [stderr] 71 | pub fn find_root(function: &Fn(N) -> N, derivative: &Fn(N) -> N, x0: N, acceptable_err: N, max_iterations: i32) -> NumericSolutionResult [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn Fn(N) -> N` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:71:32 [INFO] [stderr] | [INFO] [stderr] 71 | pub fn find_root(function: &Fn(N) -> N, derivative: &Fn(N) -> N, x0: N, acceptable_err: N, max_iterations: i32) -> NumericSolutionResult [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn Fn(N) -> N` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:71:57 [INFO] [stderr] | [INFO] [stderr] 71 | pub fn find_root(function: &Fn(N) -> N, derivative: &Fn(N) -> N, x0: N, acceptable_err: N, max_iterations: i32) -> NumericSolutionResult [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn Fn(N) -> N` [INFO] [stderr] [INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases [INFO] [stderr] --> src/lib.rs:30:35 [INFO] [stderr] | [INFO] [stderr] 30 | pub type NumericSolutionResult = Result; [INFO] [stderr] | ^^^^^ ^^^ ^^^ ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(type_alias_bounds)]` on by default [INFO] [stderr] help: the bound will not be checked when the type alias is used, and should be removed [INFO] [stderr] | [INFO] [stderr] 30 | pub type NumericSolutionResult = Result; [INFO] [stderr] | -- [INFO] [stderr] [INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases [INFO] [stderr] --> src/lib.rs:30:35 [INFO] [stderr] | [INFO] [stderr] 30 | pub type NumericSolutionResult = Result; [INFO] [stderr] | ^^^^^ ^^^ ^^^ ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(type_alias_bounds)]` on by default [INFO] [stderr] help: the bound will not be checked when the type alias is used, and should be removed [INFO] [stderr] | [INFO] [stderr] 30 | pub type NumericSolutionResult = Result; [INFO] [stderr] | -- [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.39s [INFO] running `"docker" "inspect" "f68408c66182ddd4f0d9718618077b4d8005ee02d7ad8786382fbfa8c25e557f"` [INFO] running `"docker" "rm" "-f" "f68408c66182ddd4f0d9718618077b4d8005ee02d7ad8786382fbfa8c25e557f"` [INFO] [stdout] f68408c66182ddd4f0d9718618077b4d8005ee02d7ad8786382fbfa8c25e557f