[INFO] cloning repository https://github.com/tslilyai/rustyrb [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tslilyai/rustyrb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftslilyai%2Frustyrb", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftslilyai%2Frustyrb'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5310109fba877afa137980dad4715e076b1e1124 [INFO] testing tslilyai/rustyrb against beta-2020-07-24 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftslilyai%2Frustyrb" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tslilyai/rustyrb on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tslilyai/rustyrb [INFO] finished tweaking git repo https://github.com/tslilyai/rustyrb [INFO] tweaked toml for git repo https://github.com/tslilyai/rustyrb written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/tslilyai/rustyrb already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 91c7745710b14881e12c87ca9e447bd5cb4bc35d50fba8604af4c1972d8d400b [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "91c7745710b14881e12c87ca9e447bd5cb4bc35d50fba8604af4c1972d8d400b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "91c7745710b14881e12c87ca9e447bd5cb4bc35d50fba8604af4c1972d8d400b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "91c7745710b14881e12c87ca9e447bd5cb4bc35d50fba8604af4c1972d8d400b", kill_on_drop: false }` [INFO] [stdout] 91c7745710b14881e12c87ca9e447bd5cb4bc35d50fba8604af4c1972d8d400b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ae24a8c28823fe01626482315c9b43c4a8db466fae2bc903a8e6f7c03bae9c58 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "ae24a8c28823fe01626482315c9b43c4a8db466fae2bc903a8e6f7c03bae9c58", kill_on_drop: false }` [INFO] [stderr] Compiling rustyrbtree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: private type `rbtree::Node` in public interface (error E0446) [INFO] [stdout] --> src/rbtree.rs:164:5 [INFO] [stdout] | [INFO] [stdout] 164 | / pub fn delete_helper(&self, hptr: &NodeptrT, key: K) -> NodeptrT { [INFO] [stdout] 165 | | if let Some(mut h) = hptr.clone() { [INFO] [stdout] 166 | | if key < h.key { [INFO] [stdout] 167 | | if !RBTree::is_node_red(&h.left) && !RBTree::is_child_node_red(&h.left, 0) { [INFO] [stdout] ... | [INFO] [stdout] 197 | | return None; [INFO] [stdout] 198 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(private_in_public)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #34537 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: private type `rbtree::Node` in public interface (error E0446) [INFO] [stdout] --> src/rbtree.rs:164:5 [INFO] [stdout] | [INFO] [stdout] 164 | / pub fn delete_helper(&self, hptr: &NodeptrT, key: K) -> NodeptrT { [INFO] [stdout] 165 | | if let Some(mut h) = hptr.clone() { [INFO] [stdout] 166 | | if key < h.key { [INFO] [stdout] 167 | | if !RBTree::is_node_red(&h.left) && !RBTree::is_child_node_red(&h.left, 0) { [INFO] [stdout] ... | [INFO] [stdout] 197 | | return None; [INFO] [stdout] 198 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #34537 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `height` [INFO] [stdout] --> src/rbtree.rs:324:12 [INFO] [stdout] | [INFO] [stdout] 324 | pub fn height(&self) -> isize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `height_helper` [INFO] [stdout] --> src/rbtree.rs:327:8 [INFO] [stdout] | [INFO] [stdout] 327 | fn height_helper(&self, xptr: &NodeptrT) -> isize { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.96s [INFO] running `Command { std: "docker" "inspect" "ae24a8c28823fe01626482315c9b43c4a8db466fae2bc903a8e6f7c03bae9c58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ae24a8c28823fe01626482315c9b43c4a8db466fae2bc903a8e6f7c03bae9c58", kill_on_drop: false }` [INFO] [stdout] ae24a8c28823fe01626482315c9b43c4a8db466fae2bc903a8e6f7c03bae9c58 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e3277fb6e1ecd24cbbf1fdfa1c0e7ea0aae521ba3677c1f0d597b3d7cbcf8c79 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "e3277fb6e1ecd24cbbf1fdfa1c0e7ea0aae521ba3677c1f0d597b3d7cbcf8c79", kill_on_drop: false }` [INFO] [stderr] Compiling rustyrbtree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: private type `rbtree::Node` in public interface (error E0446) [INFO] [stdout] --> src/rbtree.rs:164:5 [INFO] [stdout] | [INFO] [stdout] 164 | / pub fn delete_helper(&self, hptr: &NodeptrT, key: K) -> NodeptrT { [INFO] [stdout] 165 | | if let Some(mut h) = hptr.clone() { [INFO] [stdout] 166 | | if key < h.key { [INFO] [stdout] 167 | | if !RBTree::is_node_red(&h.left) && !RBTree::is_child_node_red(&h.left, 0) { [INFO] [stdout] ... | [INFO] [stdout] 197 | | return None; [INFO] [stdout] 198 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(private_in_public)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #34537 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: private type `rbtree::Node` in public interface (error E0446) [INFO] [stdout] --> src/rbtree.rs:164:5 [INFO] [stdout] | [INFO] [stdout] 164 | / pub fn delete_helper(&self, hptr: &NodeptrT, key: K) -> NodeptrT { [INFO] [stdout] 165 | | if let Some(mut h) = hptr.clone() { [INFO] [stdout] 166 | | if key < h.key { [INFO] [stdout] 167 | | if !RBTree::is_node_red(&h.left) && !RBTree::is_child_node_red(&h.left, 0) { [INFO] [stdout] ... | [INFO] [stdout] 197 | | return None; [INFO] [stdout] 198 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #34537 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `height` [INFO] [stdout] --> src/rbtree.rs:324:12 [INFO] [stdout] | [INFO] [stdout] 324 | pub fn height(&self) -> isize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `height_helper` [INFO] [stdout] --> src/rbtree.rs:327:8 [INFO] [stdout] | [INFO] [stdout] 327 | fn height_helper(&self, xptr: &NodeptrT) -> isize { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.66s [INFO] running `Command { std: "docker" "inspect" "e3277fb6e1ecd24cbbf1fdfa1c0e7ea0aae521ba3677c1f0d597b3d7cbcf8c79", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e3277fb6e1ecd24cbbf1fdfa1c0e7ea0aae521ba3677c1f0d597b3d7cbcf8c79", kill_on_drop: false }` [INFO] [stdout] e3277fb6e1ecd24cbbf1fdfa1c0e7ea0aae521ba3677c1f0d597b3d7cbcf8c79 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] c490802f145167bba381deb9d239cb72c452e39c269076fb4dabd1cde5ab6731 [INFO] running `Command { std: "docker" "start" "-a" "c490802f145167bba381deb9d239cb72c452e39c269076fb4dabd1cde5ab6731", kill_on_drop: false }` [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: associated function is never used: `height` [INFO] [stderr] --> src/rbtree.rs:324:12 [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: associated function is never used: `height_helper` [INFO] [stderr] --> src/rbtree.rs:327:8 [INFO] [stderr] | [INFO] [stderr] 327 | fn height_helper(&self, xptr: &NodeptrT) -> isize { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/rustyrbtree-e6018c0565637bef [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 `Command { std: "docker" "inspect" "c490802f145167bba381deb9d239cb72c452e39c269076fb4dabd1cde5ab6731", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c490802f145167bba381deb9d239cb72c452e39c269076fb4dabd1cde5ab6731", kill_on_drop: false }` [INFO] [stdout] c490802f145167bba381deb9d239cb72c452e39c269076fb4dabd1cde5ab6731