[INFO] crate nrfind 1.0.2 is already in cache [INFO] extracting crate nrfind 1.0.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/nrfind/1.0.2 [INFO] extracting crate nrfind 1.0.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/nrfind/1.0.2 [INFO] validating manifest of nrfind-1.0.2 on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of nrfind-1.0.2 on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/reg/nrfind/1.0.2/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] testing nrfind-1.0.2 against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "build" "--frozen"` [INFO] [stdout] 7a1ae6a2fe0254b7518317ec74293d16f893819ab70db44708ed14935f82acf2 [INFO] running `"docker" "start" "-a" "7a1ae6a2fe0254b7518317ec74293d16f893819ab70db44708ed14935f82acf2"` [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 0.36s [INFO] running `"docker" "inspect" "7a1ae6a2fe0254b7518317ec74293d16f893819ab70db44708ed14935f82acf2"` [INFO] running `"docker" "rm" "-f" "7a1ae6a2fe0254b7518317ec74293d16f893819ab70db44708ed14935f82acf2"` [INFO] [stdout] 7a1ae6a2fe0254b7518317ec74293d16f893819ab70db44708ed14935f82acf2 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"` [INFO] [stdout] a81b87931615c8cb909bc81af04ac4297b865b5664719c4534abdbfcc98f40f0 [INFO] running `"docker" "start" "-a" "a81b87931615c8cb909bc81af04ac4297b865b5664719c4534abdbfcc98f40f0"` [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 1.14s [INFO] running `"docker" "inspect" "a81b87931615c8cb909bc81af04ac4297b865b5664719c4534abdbfcc98f40f0"` [INFO] running `"docker" "rm" "-f" "a81b87931615c8cb909bc81af04ac4297b865b5664719c4534abdbfcc98f40f0"` [INFO] [stdout] a81b87931615c8cb909bc81af04ac4297b865b5664719c4534abdbfcc98f40f0 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "test" "--frozen"` [INFO] [stdout] eca73a0301eabe45cf3c02c4fa1a33c626cb39445e85a8ac7e064c00f72292b5 [INFO] running `"docker" "start" "-a" "eca73a0301eabe45cf3c02c4fa1a33c626cb39445e85a8ac7e064c00f72292b5"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/crater/target/debug/deps/nrfind-e04a600ccff62e42 [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] [stderr] Running /opt/crater/target/debug/deps/test_root-7ac4fe921776c7aa [INFO] [stdout] running 2 tests [INFO] [stderr] Running /opt/crater/target/debug/deps/test_sqrt-57f6a6a126459356 [INFO] [stdout] test test_find_root_finds_result_to_precision ... ok [INFO] [stderr] Doc-tests nrfind [INFO] [stdout] test test_find_root_fails_with_precision ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test test_find_sqrt_finds_result_to_precision ... ok [INFO] [stdout] test test_find_sqrt_fails_when_out_of_iterations ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test src/lib.rs - (line 10) ... ok [INFO] [stdout] test src/sqrt.rs - sqrt::find_sqrt (line 12) ... ok [INFO] [stdout] test src/lib.rs - find_root (line 46) ... 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" "eca73a0301eabe45cf3c02c4fa1a33c626cb39445e85a8ac7e064c00f72292b5"` [INFO] running `"docker" "rm" "-f" "eca73a0301eabe45cf3c02c4fa1a33c626cb39445e85a8ac7e064c00f72292b5"` [INFO] [stdout] eca73a0301eabe45cf3c02c4fa1a33c626cb39445e85a8ac7e064c00f72292b5