[INFO] cloning repository https://github.com/gopik/btree [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gopik/btree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgopik%2Fbtree", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgopik%2Fbtree'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 59ee7607631d96d93220afe01bccac86c9bc0af9 [INFO] testing gopik/btree against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgopik%2Fbtree" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/gopik/btree on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/gopik/btree [INFO] finished tweaking git repo https://github.com/gopik/btree [INFO] tweaked toml for git repo https://github.com/gopik/btree written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/gopik/btree already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 78a2e71a9d4e79346b077a5a162c85bcd4e8824cffeaf989474fa5a1d5cb0055 [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" "78a2e71a9d4e79346b077a5a162c85bcd4e8824cffeaf989474fa5a1d5cb0055", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "78a2e71a9d4e79346b077a5a162c85bcd4e8824cffeaf989474fa5a1d5cb0055", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "78a2e71a9d4e79346b077a5a162c85bcd4e8824cffeaf989474fa5a1d5cb0055", kill_on_drop: false }` [INFO] [stdout] 78a2e71a9d4e79346b077a5a162c85bcd4e8824cffeaf989474fa5a1d5cb0055 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e224c49d440dee3f305994db56a03cf2b7f528fbe4d55d39caf008060ae768e6 [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" "e224c49d440dee3f305994db56a03cf2b7f528fbe4d55d39caf008060ae768e6", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.76 [INFO] [stderr] Compiling libc v0.2.101 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling serde_json v1.0.67 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling env_logger v0.9.0 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling test-env-log v0.2.7 [INFO] [stderr] Compiling btree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variant is never constructed: `NodeUnderflow` [INFO] [stdout] --> src/main.rs:82:5 [INFO] [stdout] | [INFO] [stdout] 82 | NodeUnderflow(V), [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `BtreeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:78:10 [INFO] [stdout] | [INFO] [stdout] 78 | #[derive(Debug, PartialEq)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `KV` [INFO] [stdout] --> src/main.rs:89:6 [INFO] [stdout] | [INFO] [stdout] 89 | enum KV { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `remove_key` [INFO] [stdout] --> src/main.rs:113:8 [INFO] [stdout] | [INFO] [stdout] 113 | fn remove_key(&mut self, key: &K) -> Result> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `num_keys` [INFO] [stdout] --> src/main.rs:127:8 [INFO] [stdout] | [INFO] [stdout] 127 | fn num_keys(&self) -> usize { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `remove_max` [INFO] [stdout] --> src/main.rs:134:8 [INFO] [stdout] | [INFO] [stdout] 134 | fn remove_max(&mut self) -> KV { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `remove_min` [INFO] [stdout] --> src/main.rs:147:8 [INFO] [stdout] | [INFO] [stdout] 147 | fn remove_min(&mut self) -> KV { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `remove_min` [INFO] [stdout] --> src/main.rs:171:8 [INFO] [stdout] | [INFO] [stdout] 171 | fn remove_min(&mut self) -> (K, V) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `remove_max` [INFO] [stdout] --> src/main.rs:174:8 [INFO] [stdout] | [INFO] [stdout] 174 | fn remove_max(&mut self) -> (K, V) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `remove_key` [INFO] [stdout] --> src/main.rs:221:8 [INFO] [stdout] | [INFO] [stdout] 221 | fn remove_key(&mut self, key: &K) -> Result> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `num_keys` [INFO] [stdout] --> src/main.rs:236:8 [INFO] [stdout] | [INFO] [stdout] 236 | fn num_keys(&self) -> usize { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `remove_min` [INFO] [stdout] --> src/main.rs:267:8 [INFO] [stdout] | [INFO] [stdout] 267 | fn remove_min(&mut self) -> (K, Node) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `remove_max` [INFO] [stdout] --> src/main.rs:270:8 [INFO] [stdout] | [INFO] [stdout] 270 | fn remove_max(&mut self) -> (K, Node) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `num_keys` [INFO] [stdout] --> src/main.rs:273:8 [INFO] [stdout] | [INFO] [stdout] 273 | fn num_keys(&self) -> usize { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `leaf_borrow_from_left` [INFO] [stdout] --> src/main.rs:343:8 [INFO] [stdout] | [INFO] [stdout] 343 | fn leaf_borrow_from_left(&mut self, left: usize, key: usize, right: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `leaf_merge` [INFO] [stdout] --> src/main.rs:359:8 [INFO] [stdout] | [INFO] [stdout] 359 | fn leaf_merge(&mut self, left: usize, key: usize, right: usize) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `leaf_borrow_from_right` [INFO] [stdout] --> src/main.rs:375:8 [INFO] [stdout] | [INFO] [stdout] 375 | fn leaf_borrow_from_right(&mut self, left: usize, key: usize, right: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `handle_leaf_undeflow` [INFO] [stdout] --> src/main.rs:386:8 [INFO] [stdout] | [INFO] [stdout] 386 | fn handle_leaf_undeflow(&mut self, index: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `branch_borrow_from_left` [INFO] [stdout] --> src/main.rs:410:8 [INFO] [stdout] | [INFO] [stdout] 410 | fn branch_borrow_from_left(&mut self, left: usize, key: usize, right: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `branch_merge` [INFO] [stdout] --> src/main.rs:435:8 [INFO] [stdout] | [INFO] [stdout] 435 | fn branch_merge(&mut self, left: usize, key: usize, right: usize) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `branch_borrow_from_right` [INFO] [stdout] --> src/main.rs:451:8 [INFO] [stdout] | [INFO] [stdout] 451 | fn branch_borrow_from_right(&mut self, left: usize, key: usize, right: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `handle_branch_underflow` [INFO] [stdout] --> src/main.rs:472:8 [INFO] [stdout] | [INFO] [stdout] 472 | fn handle_branch_underflow(&mut self, index: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `handle_underflow` [INFO] [stdout] --> src/main.rs:491:8 [INFO] [stdout] | [INFO] [stdout] 491 | fn handle_underflow(&mut self, index: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `remove_key` [INFO] [stdout] --> src/main.rs:498:8 [INFO] [stdout] | [INFO] [stdout] 498 | fn remove_key(&mut self, key: &K) -> Result> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 23 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 39.30s [INFO] running `Command { std: "docker" "inspect" "e224c49d440dee3f305994db56a03cf2b7f528fbe4d55d39caf008060ae768e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e224c49d440dee3f305994db56a03cf2b7f528fbe4d55d39caf008060ae768e6", kill_on_drop: false }` [INFO] [stdout] e224c49d440dee3f305994db56a03cf2b7f528fbe4d55d39caf008060ae768e6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d993d4057deb62f4327f283fa6141d0e7a6ee47a69c81fde658f917a4b88427b [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" "d993d4057deb62f4327f283fa6141d0e7a6ee47a69c81fde658f917a4b88427b", kill_on_drop: false }` [INFO] [stderr] Compiling btree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: enum is never used: `KV` [INFO] [stdout] --> src/main.rs:89:6 [INFO] [stdout] | [INFO] [stdout] 89 | enum KV { [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: `remove_max` [INFO] [stdout] --> src/main.rs:134:8 [INFO] [stdout] | [INFO] [stdout] 134 | fn remove_max(&mut self) -> KV { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `remove_min` [INFO] [stdout] --> src/main.rs:147:8 [INFO] [stdout] | [INFO] [stdout] 147 | fn remove_min(&mut self) -> KV { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.91s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/btree-2366fc22559fb817) [INFO] running `Command { std: "docker" "inspect" "d993d4057deb62f4327f283fa6141d0e7a6ee47a69c81fde658f917a4b88427b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d993d4057deb62f4327f283fa6141d0e7a6ee47a69c81fde658f917a4b88427b", kill_on_drop: false }` [INFO] [stdout] d993d4057deb62f4327f283fa6141d0e7a6ee47a69c81fde658f917a4b88427b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 2cba538cb65184790ede231ccdad8c8dbfef4d1232f13f86e5b4ea76bf8f3090 [INFO] running `Command { std: "docker" "start" "-a" "2cba538cb65184790ede231ccdad8c8dbfef4d1232f13f86e5b4ea76bf8f3090", kill_on_drop: false }` [INFO] [stderr] warning: enum is never used: `KV` [INFO] [stdout] [INFO] [stderr] --> src/main.rs:89:6 [INFO] [stdout] running 10 tests [INFO] [stderr] | [INFO] [stderr] 89 | enum KV { [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `remove_max` [INFO] [stderr] --> src/main.rs:134:8 [INFO] [stderr] | [INFO] [stderr] 134 | fn remove_max(&mut self) -> KV { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `remove_min` [INFO] [stderr] --> src/main.rs:147:8 [INFO] [stderr] | [INFO] [stderr] 147 | fn remove_min(&mut self) -> KV { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `btree` (bin "btree" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/btree-2366fc22559fb817) [INFO] [stdout] test branch_handle_underflow_right_child ... ok [INFO] [stdout] test branch_split ... ok [INFO] [stdout] test leaf_remove_key_underflow ... ok [INFO] [stdout] test vec_binary_search ... ok [INFO] [stdout] test branch_find ... ok [INFO] [stdout] test branch_handle_underflow_left_child ... ok [INFO] [stdout] test btree_branch_split ... ok [INFO] [stdout] test leaf_find_key ... ok [INFO] [stdout] test leaf_remove_key ... ok [INFO] [stdout] test leaf_split ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "2cba538cb65184790ede231ccdad8c8dbfef4d1232f13f86e5b4ea76bf8f3090", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2cba538cb65184790ede231ccdad8c8dbfef4d1232f13f86e5b4ea76bf8f3090", kill_on_drop: false }` [INFO] [stdout] 2cba538cb65184790ede231ccdad8c8dbfef4d1232f13f86e5b4ea76bf8f3090