[INFO] fetching crate art-tree 0.1.0... [INFO] testing art-tree-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] extracting crate art-tree 0.1.0 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate art-tree 0.1.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate art-tree 0.1.0 [INFO] finished tweaking crates.io crate art-tree 0.1.0 [INFO] tweaked toml for crates.io crate art-tree 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5548251d2406c36afe27cee576b595f06b476f44f99bece5c32dbbef9024bc26 [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" "5548251d2406c36afe27cee576b595f06b476f44f99bece5c32dbbef9024bc26", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5548251d2406c36afe27cee576b595f06b476f44f99bece5c32dbbef9024bc26", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5548251d2406c36afe27cee576b595f06b476f44f99bece5c32dbbef9024bc26", kill_on_drop: false }` [INFO] [stdout] 5548251d2406c36afe27cee576b595f06b476f44f99bece5c32dbbef9024bc26 [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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0acab091522bf900cb0944276b643ad7a0b60a969c59429c34fd9f82d7857114 [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" "0acab091522bf900cb0944276b643ad7a0b60a969c59429c34fd9f82d7857114", kill_on_drop: false }` [INFO] [stderr] Compiling art-tree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/node.rs:244:9 [INFO] [stdout] | [INFO] [stdout] 241 | return Some(val); [INFO] [stdout] | ---------------- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 244 | / for i in 0..self.keys.len() { [INFO] [stdout] 245 | | // find key which uses last cell inside values array [INFO] [stdout] 246 | | if self.keys[i] == self.len as u8 { [INFO] [stdout] 247 | | // move value of key which points to last array cell [INFO] [stdout] ... | [INFO] [stdout] 252 | | } [INFO] [stdout] 253 | | } [INFO] [stdout] | |_________^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.57s [INFO] running `Command { std: "docker" "inspect" "0acab091522bf900cb0944276b643ad7a0b60a969c59429c34fd9f82d7857114", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0acab091522bf900cb0944276b643ad7a0b60a969c59429c34fd9f82d7857114", kill_on_drop: false }` [INFO] [stdout] 0acab091522bf900cb0944276b643ad7a0b60a969c59429c34fd9f82d7857114 [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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 05f33a0a9c9c8db34f10b210d6c3462af52f26b03d726f6720312e0d8b19f3bc [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" "05f33a0a9c9c8db34f10b210d6c3462af52f26b03d726f6720312e0d8b19f3bc", kill_on_drop: false }` [INFO] [stderr] Compiling semver v1.0.4 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling plotters-backend v0.3.2 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling half v1.8.2 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/node.rs:244:9 [INFO] [stdout] | [INFO] [stdout] 241 | return Some(val); [INFO] [stdout] | ---------------- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 244 | / for i in 0..self.keys.len() { [INFO] [stdout] 245 | | // find key which uses last cell inside values array [INFO] [stdout] 246 | | if self.keys[i] == self.len as u8 { [INFO] [stdout] 247 | | // move value of key which points to last array cell [INFO] [stdout] ... | [INFO] [stdout] 252 | | } [INFO] [stdout] 253 | | } [INFO] [stdout] | |_________^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling ppv-lite86 v0.2.15 [INFO] [stderr] Compiling oorandom v11.1.3 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling itertools v0.10.1 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling serde_json v1.0.71 [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling serde_cbor v0.11.2 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling plotters-svg v0.3.1 [INFO] [stderr] Compiling crossbeam-channel v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling crossbeam-deque v0.8.1 [INFO] [stderr] Compiling bstr v0.2.17 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Compiling plotters v0.3.1 [INFO] [stderr] Compiling csv v1.1.6 [INFO] [stderr] Compiling criterion-plot v0.4.4 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling criterion v0.3.5 [INFO] [stderr] Compiling art-tree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/node.rs:244:9 [INFO] [stdout] | [INFO] [stdout] 241 | return Some(val); [INFO] [stdout] | ---------------- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 244 | / for i in 0..self.keys.len() { [INFO] [stdout] 245 | | // find key which uses last cell inside values array [INFO] [stdout] 246 | | if self.keys[i] == self.len as u8 { [INFO] [stdout] 247 | | // move value of key which points to last array cell [INFO] [stdout] ... | [INFO] [stdout] 252 | | } [INFO] [stdout] 253 | | } [INFO] [stdout] | |_________^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1m 05s [INFO] running `Command { std: "docker" "inspect" "05f33a0a9c9c8db34f10b210d6c3462af52f26b03d726f6720312e0d8b19f3bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "05f33a0a9c9c8db34f10b210d6c3462af52f26b03d726f6720312e0d8b19f3bc", kill_on_drop: false }` [INFO] [stdout] 05f33a0a9c9c8db34f10b210d6c3462af52f26b03d726f6720312e0d8b19f3bc [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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 28d4a5181b99801c9e1de50091286150b3896b88321b57dd687b347d48e54961 [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" "28d4a5181b99801c9e1de50091286150b3896b88321b57dd687b347d48e54961", kill_on_drop: false }` [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/node.rs:244:9 [INFO] [stderr] | [INFO] [stderr] 241 | return Some(val); [INFO] [stderr] | ---------------- any code following this expression is unreachable [INFO] [stderr] ... [INFO] [stderr] 244 | / for i in 0..self.keys.len() { [INFO] [stderr] 245 | | // find key which uses last cell inside values array [INFO] [stderr] 246 | | if self.keys[i] == self.len as u8 { [INFO] [stderr] 247 | | // move value of key which points to last array cell [INFO] [stderr] ... | [INFO] [stderr] 252 | | } [INFO] [stderr] 253 | | } [INFO] [stderr] | |_________^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `art-tree` (lib) generated 1 warning [INFO] [stderr] warning: `art-tree` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/art_tree-2b9d69cb9699600c) [INFO] [stdout] [INFO] [stdout] running 25 tests [INFO] [stdout] test scanner::tests::seq_insert_u8 ... ok [INFO] [stdout] test node::tests::flat_node ... ok [INFO] [stdout] test node::tests::node256 ... ok [INFO] [stdout] test node::tests::node48 ... ok [INFO] [stdout] test scanner::tests::double_ended_iter ... ok [INFO] [stdout] test tests::seq_insert_u8 ... ok [INFO] [stdout] test scanner::tests::iter_with_long_prefix ... ok [INFO] [stdout] test scanner::tests::range_scan_on_sequential_u32_keys ... ok [INFO] [stdout] test tests::seq_remove_u8 ... ok [INFO] [stdout] test tests::seq_insert_u32 ... ok [INFO] [stdout] test scanner::tests::range_scan_with_long_prefix ... ok [INFO] [stdout] test tests::seq_remove_u32 ... ok [INFO] [stdout] test scanner::tests::seq_insert_u16 ... ok [INFO] [stdout] test tests::seq_insert_u16 ... ok [INFO] [stdout] test tests::seq_remove_u16 ... ok [INFO] [stdout] test tests::upsert ... ok [INFO] [stdout] test scanner::tests::range_scan_on_sequential_u64_keys ... ok [INFO] [stdout] test tests::mixed_upsert_and_delete ... ok [INFO] [stdout] test scanner::tests::double_ended_iter_seq_keys ... ok [INFO] [stdout] test tests::remove_with_long_prefix ... ok [INFO] [stdout] test tests::seq_insert_u64 ... ok [INFO] [stdout] test tests::existed_elements_cannot_be_inserted ... ok [INFO] [stdout] test tests::seq_remove_u64 ... ok [INFO] [stdout] test tests::insert_with_long_prefix ... ok [INFO] [stdout] test tests::modifications_with_seq_keys_with_increasing_size has been running for over 60 seconds [INFO] [stdout] test tests::modifications_with_seq_keys_with_increasing_size ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 25 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 62.40s [INFO] [stdout] [INFO] [stderr] Doc-tests art-tree [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 6) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.49s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "28d4a5181b99801c9e1de50091286150b3896b88321b57dd687b347d48e54961", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28d4a5181b99801c9e1de50091286150b3896b88321b57dd687b347d48e54961", kill_on_drop: false }` [INFO] [stdout] 28d4a5181b99801c9e1de50091286150b3896b88321b57dd687b347d48e54961