[INFO] cloning repository flavius/playground
[INFO] running `"git" "clone" "--bare" "git://github.com/flavius/playground.git" "work/cache/sources/gh/flavius/playground"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/flavius/playground'...
[INFO] running `"git" "clone" "work/cache/sources/gh/flavius/playground" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/flavius/playground"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/flavius/playground'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/flavius/playground" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/flavius/playground"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/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 master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of flavius/playground on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "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/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/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/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking flavius/playground against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-4/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/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=forbid" "-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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 405eee0de18dc4fd5eba54cc24f4a505d31877f274d03804fddbc218ca8b3c2f
[INFO] running `"docker" "start" "-a" "405eee0de18dc4fd5eba54cc24f4a505d31877f274d03804fddbc218ca8b3c2f"`
[INFO] [stderr]     Checking 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: 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: 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] 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 0.69s
[INFO] running `"docker" "inspect" "405eee0de18dc4fd5eba54cc24f4a505d31877f274d03804fddbc218ca8b3c2f"`
[INFO] running `"docker" "rm" "-f" "405eee0de18dc4fd5eba54cc24f4a505d31877f274d03804fddbc218ca8b3c2f"`
[INFO] [stdout] 405eee0de18dc4fd5eba54cc24f4a505d31877f274d03804fddbc218ca8b3c2f