[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-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftslilyai%2Frustyrb" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tslilyai/rustyrb on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-6/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-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", 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] e22ea4f372209df2a6fee2a5963e44cb2d160b474d977e90b8c69c372b18cb2a [INFO] running `Command { std: "docker" "start" "-a" "e22ea4f372209df2a6fee2a5963e44cb2d160b474d977e90b8c69c372b18cb2a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e22ea4f372209df2a6fee2a5963e44cb2d160b474d977e90b8c69c372b18cb2a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e22ea4f372209df2a6fee2a5963e44cb2d160b474d977e90b8c69c372b18cb2a", kill_on_drop: false }` [INFO] [stdout] e22ea4f372209df2a6fee2a5963e44cb2d160b474d977e90b8c69c372b18cb2a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4bc63b591ce64988e583c2e9471a943a71d92f935ff3aa63e79575c169f69d49 [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" "4bc63b591ce64988e583c2e9471a943a71d92f935ff3aa63e79575c169f69d49", kill_on_drop: false }` [INFO] [stderr] Compiling rustyrbtree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: private type `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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 `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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 0.83s [INFO] running `Command { std: "docker" "inspect" "4bc63b591ce64988e583c2e9471a943a71d92f935ff3aa63e79575c169f69d49", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4bc63b591ce64988e583c2e9471a943a71d92f935ff3aa63e79575c169f69d49", kill_on_drop: false }` [INFO] [stdout] 4bc63b591ce64988e583c2e9471a943a71d92f935ff3aa63e79575c169f69d49 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", 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] f1f39ca9c09e7ef22523ee6ed7b5d4c74f93bddd9af80465d1b6fda4db848c3b [INFO] running `Command { std: "docker" "start" "-a" "f1f39ca9c09e7ef22523ee6ed7b5d4c74f93bddd9af80465d1b6fda4db848c3b", kill_on_drop: false }` [INFO] [stderr] Compiling rustyrbtree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: private type `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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 `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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 0.83s [INFO] running `Command { std: "docker" "inspect" "f1f39ca9c09e7ef22523ee6ed7b5d4c74f93bddd9af80465d1b6fda4db848c3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f1f39ca9c09e7ef22523ee6ed7b5d4c74f93bddd9af80465d1b6fda4db848c3b", kill_on_drop: false }` [INFO] [stdout] f1f39ca9c09e7ef22523ee6ed7b5d4c74f93bddd9af80465d1b6fda4db848c3b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1797e07dee16b2e1c56a1213a8d75e679afb7ba94fa4f53c94662d802376e38d [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" "1797e07dee16b2e1c56a1213a8d75e679afb7ba94fa4f53c94662d802376e38d", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: private type `Node` in public interface (error E0446) [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/rbtree.rs:164:5 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 164 | pub fn delete_helper(&self, hptr: &NodeptrT, key: K) -> NodeptrT { [INFO] [stdout] [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 `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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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: `rustyrbtree` (bin "rustyrbtree" test) generated 4 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rustyrbtree-3288fdc858bfd1c9) [INFO] running `Command { std: "docker" "inspect" "1797e07dee16b2e1c56a1213a8d75e679afb7ba94fa4f53c94662d802376e38d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1797e07dee16b2e1c56a1213a8d75e679afb7ba94fa4f53c94662d802376e38d", kill_on_drop: false }` [INFO] [stdout] 1797e07dee16b2e1c56a1213a8d75e679afb7ba94fa4f53c94662d802376e38d