[INFO] updating cached repository flavius/playground [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/flavius/playground [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/flavius/playground" "work/ex/beta-1.38-1/sources/1.37.0/gh/flavius/playground"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/flavius/playground'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/flavius/playground" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/flavius/playground"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/flavius/playground'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] b05c504c9696591db10de3235818bd6bda6d13b2 [INFO] sha for GitHub repo flavius/playground: b05c504c9696591db10de3235818bd6bda6d13b2 [INFO] validating manifest of flavius/playground 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 flavius/playground 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 flavius/playground [INFO] finished frobbing flavius/playground [INFO] frobbed toml for flavius/playground written to work/ex/beta-1.38-1/sources/1.37.0/gh/flavius/playground/Cargo.toml [INFO] started frobbing flavius/playground [INFO] finished frobbing flavius/playground [INFO] frobbed toml for flavius/playground written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/flavius/playground/Cargo.toml [INFO] crate flavius/playground already has a lockfile, it will not be regenerated [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 flavius/playground 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/flavius/playground:/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] a12a5aa13818f818270c04c752574389c2e3327797ad9aa6aa0b1525d12f679c [INFO] running `"docker" "start" "-a" "a12a5aa13818f818270c04c752574389c2e3327797ad9aa6aa0b1525d12f679c"` [INFO] [stderr] Compiling rust-ddd v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:55:36 [INFO] [stderr] | [INFO] [stderr] 55 | fn sort_specifications(specs: Vec<&PluginSpecification>) -> Vec<&PluginSpecification> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PluginSpecification` [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/main.rs:55:66 [INFO] [stderr] | [INFO] [stderr] 55 | fn sort_specifications(specs: Vec<&PluginSpecification>) -> Vec<&PluginSpecification> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PluginSpecification` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:222:21 [INFO] [stderr] | [INFO] [stderr] 222 | let deps : Vec<&PluginSpecification> = vec![ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PluginSpecification` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `sorted_specs` [INFO] [stderr] --> src/main.rs:228:9 [INFO] [stderr] | [INFO] [stderr] 228 | let sorted_specs = sort_specifications(deps); [INFO] [stderr] | ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_sorted_specs` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `deps` [INFO] [stderr] --> src/main.rs:105:12 [INFO] [stderr] | [INFO] [stderr] 105 | fn new(deps: Self::Specification) -> Self { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_deps` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `deps` [INFO] [stderr] --> src/main.rs:125:12 [INFO] [stderr] | [INFO] [stderr] 125 | fn new(deps: Self::Specification) -> Self { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_deps` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `deps` [INFO] [stderr] --> src/main.rs:155:12 [INFO] [stderr] | [INFO] [stderr] 155 | fn new(deps: Self::Specification) -> Self { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_deps` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `deps` [INFO] [stderr] --> src/main.rs:190:12 [INFO] [stderr] | [INFO] [stderr] 190 | fn new(deps: Self::Specification) -> Self { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_deps` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:60:9 [INFO] [stderr] | [INFO] [stderr] 60 | let mut sorted = vec![]; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: method `addDependency` should have a snake case name [INFO] [stderr] --> src/main.rs:42:8 [INFO] [stderr] | [INFO] [stderr] 42 | fn addDependency(&mut self, what: usize, dependency: usize) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^ help: convert the identifier to snake case: `add_dependency` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.22s [INFO] running `"docker" "inspect" "a12a5aa13818f818270c04c752574389c2e3327797ad9aa6aa0b1525d12f679c"` [INFO] running `"docker" "rm" "-f" "a12a5aa13818f818270c04c752574389c2e3327797ad9aa6aa0b1525d12f679c"` [INFO] [stdout] a12a5aa13818f818270c04c752574389c2e3327797ad9aa6aa0b1525d12f679c [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/flavius/playground:/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] 5cc900cc0f6c52894cd0da22fad7e410a5d17223ea5a3104fad02f7ee6735a2b [INFO] running `"docker" "start" "-a" "5cc900cc0f6c52894cd0da22fad7e410a5d17223ea5a3104fad02f7ee6735a2b"` [INFO] [stderr] Compiling rust-ddd v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:55:36 [INFO] [stderr] | [INFO] [stderr] 55 | fn sort_specifications(specs: Vec<&PluginSpecification>) -> Vec<&PluginSpecification> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PluginSpecification` [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/main.rs:55:66 [INFO] [stderr] | [INFO] [stderr] 55 | fn sort_specifications(specs: Vec<&PluginSpecification>) -> Vec<&PluginSpecification> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PluginSpecification` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:222:21 [INFO] [stderr] | [INFO] [stderr] 222 | let deps : Vec<&PluginSpecification> = vec![ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PluginSpecification` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `sorted_specs` [INFO] [stderr] --> src/main.rs:228:9 [INFO] [stderr] | [INFO] [stderr] 228 | let sorted_specs = sort_specifications(deps); [INFO] [stderr] | ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_sorted_specs` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `deps` [INFO] [stderr] --> src/main.rs:105:12 [INFO] [stderr] | [INFO] [stderr] 105 | fn new(deps: Self::Specification) -> Self { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_deps` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `deps` [INFO] [stderr] --> src/main.rs:125:12 [INFO] [stderr] | [INFO] [stderr] 125 | fn new(deps: Self::Specification) -> Self { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_deps` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `deps` [INFO] [stderr] --> src/main.rs:155:12 [INFO] [stderr] | [INFO] [stderr] 155 | fn new(deps: Self::Specification) -> Self { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_deps` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `deps` [INFO] [stderr] --> src/main.rs:190:12 [INFO] [stderr] | [INFO] [stderr] 190 | fn new(deps: Self::Specification) -> Self { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_deps` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:60:9 [INFO] [stderr] | [INFO] [stderr] 60 | let mut sorted = vec![]; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: method `addDependency` should have a snake case name [INFO] [stderr] --> src/main.rs:42:8 [INFO] [stderr] | [INFO] [stderr] 42 | fn addDependency(&mut self, what: usize, dependency: usize) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^ help: convert the identifier to snake case: `add_dependency` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.80s [INFO] running `"docker" "inspect" "5cc900cc0f6c52894cd0da22fad7e410a5d17223ea5a3104fad02f7ee6735a2b"` [INFO] running `"docker" "rm" "-f" "5cc900cc0f6c52894cd0da22fad7e410a5d17223ea5a3104fad02f7ee6735a2b"` [INFO] [stdout] 5cc900cc0f6c52894cd0da22fad7e410a5d17223ea5a3104fad02f7ee6735a2b [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/flavius/playground:/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] 16fd09e19f54c35800461c133df0ec79ecb6e8765969365fbda4e094544b1946 [INFO] running `"docker" "start" "-a" "16fd09e19f54c35800461c133df0ec79ecb6e8765969365fbda4e094544b1946"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/rust_ddd-15c653182d2408b4 [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] running `"docker" "inspect" "16fd09e19f54c35800461c133df0ec79ecb6e8765969365fbda4e094544b1946"` [INFO] running `"docker" "rm" "-f" "16fd09e19f54c35800461c133df0ec79ecb6e8765969365fbda4e094544b1946"` [INFO] [stdout] 16fd09e19f54c35800461c133df0ec79ecb6e8765969365fbda4e094544b1946