[INFO] updating cached repository tslilyai/rustyrb [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/tslilyai/rustyrb [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/tslilyai/rustyrb" "work/ex/beta-1.38-1/sources/1.37.0/gh/tslilyai/rustyrb"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/tslilyai/rustyrb'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/tslilyai/rustyrb" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tslilyai/rustyrb"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tslilyai/rustyrb'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 5310109fba877afa137980dad4715e076b1e1124 [INFO] sha for GitHub repo tslilyai/rustyrb: 5310109fba877afa137980dad4715e076b1e1124 [INFO] validating manifest of tslilyai/rustyrb 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 tslilyai/rustyrb 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 tslilyai/rustyrb [INFO] finished frobbing tslilyai/rustyrb [INFO] frobbed toml for tslilyai/rustyrb written to work/ex/beta-1.38-1/sources/1.37.0/gh/tslilyai/rustyrb/Cargo.toml [INFO] started frobbing tslilyai/rustyrb [INFO] finished frobbing tslilyai/rustyrb [INFO] frobbed toml for tslilyai/rustyrb written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tslilyai/rustyrb/Cargo.toml [INFO] crate tslilyai/rustyrb 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 tslilyai/rustyrb 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tslilyai/rustyrb:/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] 24db4f91fff12146c3f441735d4991a5aa8ca8f674bc7f936e0687b5596b866e [INFO] running `"docker" "start" "-a" "24db4f91fff12146c3f441735d4991a5aa8ca8f674bc7f936e0687b5596b866e"` [INFO] [stderr] Compiling rustyrbtree v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: private type `rbtree::Node` in public interface (error E0446) [INFO] [stderr] --> src/rbtree.rs:164:5 [INFO] [stderr] | [INFO] [stderr] 164 | / pub fn delete_helper(&self, hptr: &NodeptrT, key: K) -> NodeptrT { [INFO] [stderr] 165 | | if let Some(mut h) = hptr.clone() { [INFO] [stderr] 166 | | if key < h.key { [INFO] [stderr] 167 | | if !RBTree::is_node_red(&h.left) && !RBTree::is_child_node_red(&h.left, 0) { [INFO] [stderr] ... | [INFO] [stderr] 197 | | return None; [INFO] [stderr] 198 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(private_in_public)] on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #34537 [INFO] [stderr] [INFO] [stderr] warning: private type `rbtree::Node` in public interface (error E0446) [INFO] [stderr] --> src/rbtree.rs:164:5 [INFO] [stderr] | [INFO] [stderr] 164 | / pub fn delete_helper(&self, hptr: &NodeptrT, key: K) -> NodeptrT { [INFO] [stderr] 165 | | if let Some(mut h) = hptr.clone() { [INFO] [stderr] 166 | | if key < h.key { [INFO] [stderr] 167 | | if !RBTree::is_node_red(&h.left) && !RBTree::is_child_node_red(&h.left, 0) { [INFO] [stderr] ... | [INFO] [stderr] 197 | | return None; [INFO] [stderr] 198 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #34537 [INFO] [stderr] [INFO] [stderr] warning: method is never used: `height` [INFO] [stderr] --> src/rbtree.rs:324:5 [INFO] [stderr] | [INFO] [stderr] 324 | pub fn height(&self) -> isize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `height_helper` [INFO] [stderr] --> src/rbtree.rs:327:5 [INFO] [stderr] | [INFO] [stderr] 327 | fn height_helper(&self, xptr: &NodeptrT) -> isize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.95s [INFO] running `"docker" "inspect" "24db4f91fff12146c3f441735d4991a5aa8ca8f674bc7f936e0687b5596b866e"` [INFO] running `"docker" "rm" "-f" "24db4f91fff12146c3f441735d4991a5aa8ca8f674bc7f936e0687b5596b866e"` [INFO] [stdout] 24db4f91fff12146c3f441735d4991a5aa8ca8f674bc7f936e0687b5596b866e [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tslilyai/rustyrb:/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] c01859083e85c4e51d5e2af1b94a9ac3dec084b73a0a652d017ed927e4fde964 [INFO] running `"docker" "start" "-a" "c01859083e85c4e51d5e2af1b94a9ac3dec084b73a0a652d017ed927e4fde964"` [INFO] [stderr] Compiling rustyrbtree v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: private type `rbtree::Node` in public interface (error E0446) [INFO] [stderr] --> src/rbtree.rs:164:5 [INFO] [stderr] | [INFO] [stderr] 164 | / pub fn delete_helper(&self, hptr: &NodeptrT, key: K) -> NodeptrT { [INFO] [stderr] 165 | | if let Some(mut h) = hptr.clone() { [INFO] [stderr] 166 | | if key < h.key { [INFO] [stderr] 167 | | if !RBTree::is_node_red(&h.left) && !RBTree::is_child_node_red(&h.left, 0) { [INFO] [stderr] ... | [INFO] [stderr] 197 | | return None; [INFO] [stderr] 198 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(private_in_public)] on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #34537 [INFO] [stderr] [INFO] [stderr] warning: private type `rbtree::Node` in public interface (error E0446) [INFO] [stderr] --> src/rbtree.rs:164:5 [INFO] [stderr] | [INFO] [stderr] 164 | / pub fn delete_helper(&self, hptr: &NodeptrT, key: K) -> NodeptrT { [INFO] [stderr] 165 | | if let Some(mut h) = hptr.clone() { [INFO] [stderr] 166 | | if key < h.key { [INFO] [stderr] 167 | | if !RBTree::is_node_red(&h.left) && !RBTree::is_child_node_red(&h.left, 0) { [INFO] [stderr] ... | [INFO] [stderr] 197 | | return None; [INFO] [stderr] 198 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #34537 [INFO] [stderr] [INFO] [stderr] warning: method is never used: `height` [INFO] [stderr] --> src/rbtree.rs:324:5 [INFO] [stderr] | [INFO] [stderr] 324 | pub fn height(&self) -> isize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `height_helper` [INFO] [stderr] --> src/rbtree.rs:327:5 [INFO] [stderr] | [INFO] [stderr] 327 | fn height_helper(&self, xptr: &NodeptrT) -> isize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.97s [INFO] running `"docker" "inspect" "c01859083e85c4e51d5e2af1b94a9ac3dec084b73a0a652d017ed927e4fde964"` [INFO] running `"docker" "rm" "-f" "c01859083e85c4e51d5e2af1b94a9ac3dec084b73a0a652d017ed927e4fde964"` [INFO] [stdout] c01859083e85c4e51d5e2af1b94a9ac3dec084b73a0a652d017ed927e4fde964 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tslilyai/rustyrb:/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] c04034e8607102698940196853f5e2877438c05c4b7b62da4b8848ca145bc91a [INFO] running `"docker" "start" "-a" "c04034e8607102698940196853f5e2877438c05c4b7b62da4b8848ca145bc91a"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/rustyrbtree-ceef2812d9854687 [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" "c04034e8607102698940196853f5e2877438c05c4b7b62da4b8848ca145bc91a"` [INFO] running `"docker" "rm" "-f" "c04034e8607102698940196853f5e2877438c05c4b7b62da4b8848ca145bc91a"` [INFO] [stdout] c04034e8607102698940196853f5e2877438c05c4b7b62da4b8848ca145bc91a