[INFO] crate nrfind 1.0.2 is already in cache [INFO] extracting crate nrfind 1.0.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/nrfind/1.0.2 [INFO] extracting crate nrfind 1.0.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/nrfind/1.0.2 [INFO] validating manifest of nrfind-1.0.2 on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of nrfind-1.0.2 on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing nrfind-1.0.2 [INFO] finished frobbing nrfind-1.0.2 [INFO] frobbed toml for nrfind-1.0.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/nrfind/1.0.2/Cargo.toml [INFO] started frobbing nrfind-1.0.2 [INFO] finished frobbing nrfind-1.0.2 [INFO] frobbed toml for nrfind-1.0.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/nrfind/1.0.2/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing nrfind-1.0.2 against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/nrfind/1.0.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"` [INFO] [stdout] dd8a4c8cc34f36efc5e282e6e8767da991608e5b7ce42bcb079ce3c1159e6ce3 [INFO] running `"docker" "start" "-a" "dd8a4c8cc34f36efc5e282e6e8767da991608e5b7ce42bcb079ce3c1159e6ce3"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling nrfind v1.0.2 (/opt/crater/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: 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] Finished dev [unoptimized + debuginfo] target(s) in 0.49s [INFO] running `"docker" "inspect" "dd8a4c8cc34f36efc5e282e6e8767da991608e5b7ce42bcb079ce3c1159e6ce3"` [INFO] running `"docker" "rm" "-f" "dd8a4c8cc34f36efc5e282e6e8767da991608e5b7ce42bcb079ce3c1159e6ce3"` [INFO] [stdout] dd8a4c8cc34f36efc5e282e6e8767da991608e5b7ce42bcb079ce3c1159e6ce3 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/nrfind/1.0.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 176e4376a752abd828bd6fb298d19ae5eed1d1d796eee3961200581c8a391fc0 [INFO] running `"docker" "start" "-a" "176e4376a752abd828bd6fb298d19ae5eed1d1d796eee3961200581c8a391fc0"` [INFO] [stderr] Compiling nrfind v1.0.2 (/opt/crater/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: 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] Finished dev [unoptimized + debuginfo] target(s) in 1.75s [INFO] running `"docker" "inspect" "176e4376a752abd828bd6fb298d19ae5eed1d1d796eee3961200581c8a391fc0"` [INFO] running `"docker" "rm" "-f" "176e4376a752abd828bd6fb298d19ae5eed1d1d796eee3961200581c8a391fc0"` [INFO] [stdout] 176e4376a752abd828bd6fb298d19ae5eed1d1d796eee3961200581c8a391fc0 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/nrfind/1.0.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"` [INFO] [stdout] f7b4e168b30ec35af0a7c304121e39db23e264e11dd9891fa4351044b1f6990d [INFO] running `"docker" "start" "-a" "f7b4e168b30ec35af0a7c304121e39db23e264e11dd9891fa4351044b1f6990d"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/nrfind-d15e7c6728d341ed [INFO] [stderr] Running /opt/crater/target/debug/deps/test_root-462aa2af6496877c [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test test_find_root_fails_with_precision ... ok [INFO] [stdout] test test_find_root_finds_result_to_precision ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/test_sqrt-42fc0e42dfc71203 [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test test_find_sqrt_fails_when_out_of_iterations ... ok [INFO] [stdout] test test_find_sqrt_finds_result_to_precision ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests nrfind [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test src/lib.rs - (line 10) ... ok [INFO] [stdout] test src/lib.rs - find_root (line 46) ... ok [INFO] [stdout] test src/sqrt.rs - sqrt::find_sqrt (line 12) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "f7b4e168b30ec35af0a7c304121e39db23e264e11dd9891fa4351044b1f6990d"` [INFO] running `"docker" "rm" "-f" "f7b4e168b30ec35af0a7c304121e39db23e264e11dd9891fa4351044b1f6990d"` [INFO] [stdout] f7b4e168b30ec35af0a7c304121e39db23e264e11dd9891fa4351044b1f6990d