[INFO] cloning repository https://github.com/s4hubhamp/btree-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/s4hubhamp/btree-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fs4hubhamp%2Fbtree-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fs4hubhamp%2Fbtree-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e2d9e21e7f9b6830c2d4555c0735ae1fe8bc9cd8
[INFO] testing s4hubhamp/btree-rust against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fs4hubhamp%2Fbtree-rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/s4hubhamp/btree-rust
[INFO] finished tweaking git repo https://github.com/s4hubhamp/btree-rust
[INFO] tweaked toml for git repo https://github.com/s4hubhamp/btree-rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/s4hubhamp/btree-rust on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/s4hubhamp/btree-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a83d96b833b9c5a6a0dbaf75fba0e21477d4d939c8b857bb6a356f1161e5d0da
[INFO] running `Command { std: "docker" "start" "-a" "a83d96b833b9c5a6a0dbaf75fba0e21477d4d939c8b857bb6a356f1161e5d0da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a83d96b833b9c5a6a0dbaf75fba0e21477d4d939c8b857bb6a356f1161e5d0da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a83d96b833b9c5a6a0dbaf75fba0e21477d4d939c8b857bb6a356f1161e5d0da", kill_on_drop: false }`
[INFO] [stdout] a83d96b833b9c5a6a0dbaf75fba0e21477d4d939c8b857bb6a356f1161e5d0da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23e6261d89eb463814522bc7876c85fcadffa2463f73784629351d41a4558f13
[INFO] running `Command { std: "docker" "start" "-a" "23e6261d89eb463814522bc7876c85fcadffa2463f73784629351d41a4558f13", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling zerocopy v0.8.23
[INFO] [stderr]    Compiling thunderdome v0.6.1
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.0
[INFO] [stderr]    Compiling btree-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `mid` is never read
[INFO] [stdout]   --> src/btree.rs:73:28
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let mut mid: i32 = 0;
[INFO] [stdout]    |                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `search_linear` is never used
[INFO] [stdout]   --> src/btree.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | impl<K: Ord, V> BPlusTreeNode<K, V> {
[INFO] [stdout]    | ----------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn search_linear(&self, key: &K) -> SearchResult {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `btree_rust::btree::BPlusTree`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use btree_rust::btree::BPlusTree;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.08s
[INFO] running `Command { std: "docker" "inspect" "23e6261d89eb463814522bc7876c85fcadffa2463f73784629351d41a4558f13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23e6261d89eb463814522bc7876c85fcadffa2463f73784629351d41a4558f13", kill_on_drop: false }`
[INFO] [stdout] 23e6261d89eb463814522bc7876c85fcadffa2463f73784629351d41a4558f13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bfa1318b2e59c05f1d9bfcf6d2d2ed3c0afa0b4caf053845819dc0ac6733d66
[INFO] running `Command { std: "docker" "start" "-a" "0bfa1318b2e59c05f1d9bfcf6d2d2ed3c0afa0b4caf053845819dc0ac6733d66", kill_on_drop: false }`
[INFO] [stdout] warning: value assigned to `mid` is never read
[INFO] [stdout]   --> src/btree.rs:73:28
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let mut mid: i32 = 0;
[INFO] [stdout]    |                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `search_linear` is never used
[INFO] [stdout]   --> src/btree.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | impl<K: Ord, V> BPlusTreeNode<K, V> {
[INFO] [stdout]    | ----------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn search_linear(&self, key: &K) -> SearchResult {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling btree-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `btree_rust::btree::BPlusTree`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use btree_rust::btree::BPlusTree;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `mid` is never read
[INFO] [stdout]   --> src/btree.rs:73:28
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let mut mid: i32 = 0;
[INFO] [stdout]    |                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `search_linear` is never used
[INFO] [stdout]   --> src/btree.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | impl<K: Ord, V> BPlusTreeNode<K, V> {
[INFO] [stdout]    | ----------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn search_linear(&self, key: &K) -> SearchResult {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "0bfa1318b2e59c05f1d9bfcf6d2d2ed3c0afa0b4caf053845819dc0ac6733d66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bfa1318b2e59c05f1d9bfcf6d2d2ed3c0afa0b4caf053845819dc0ac6733d66", kill_on_drop: false }`
[INFO] [stdout] 0bfa1318b2e59c05f1d9bfcf6d2d2ed3c0afa0b4caf053845819dc0ac6733d66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6c5bafb0d7e64a989824482d6508e421aed9e80c79dea621df262e10836ccb6f
[INFO] running `Command { std: "docker" "start" "-a" "6c5bafb0d7e64a989824482d6508e421aed9e80c79dea621df262e10836ccb6f", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `mid` is never read
[INFO] [stderr]   --> src/btree.rs:73:28
[INFO] [stderr]    |
[INFO] [stderr] 73 |         let mut mid: i32 = 0;
[INFO] [stderr]    |                            ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `search_linear` is never used
[INFO] [stderr]   --> src/btree.rs:59:8
[INFO] [stderr]    |
[INFO] [stderr] 46 | impl<K: Ord, V> BPlusTreeNode<K, V> {
[INFO] [stderr]    | ----------------------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 59 |     fn search_linear(&self, key: &K) -> SearchResult {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `btree-rust` (lib) generated 2 warnings
[INFO] [stderr] warning: `btree-rust` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr] warning: unused import: `btree_rust::btree::BPlusTree`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use btree_rust::btree::BPlusTree;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `btree-rust` (bin "btree-rust" test) generated 1 warning (run `cargo fix --bin "btree-rust" -p btree-rust --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/btree_rust-8d80f2f71c67799a)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test btree::tests::nodes_are_freed_from_arena_after_deletion ... ok
[INFO] [stdout] test btree::tests::test_get_in_range ... ok
[INFO] [stdout] test btree::tests::decremental_inserts_and_deletes ... ok
[INFO] [stdout] test btree::tests::incremental_inserts_and_deletes ... ok
[INFO] [stdout] test btree::tests::incremental_inserts_and_random_deletes ... ok
[INFO] [stdout] test btree::tests::incremental_inserts_and_decremental_deletes ... ok
[INFO] [stdout] test btree::tests::random_inserts_and_deletes ... ok
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/btree_rust-bf17f0629c003549)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests btree_rust
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6c5bafb0d7e64a989824482d6508e421aed9e80c79dea621df262e10836ccb6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c5bafb0d7e64a989824482d6508e421aed9e80c79dea621df262e10836ccb6f", kill_on_drop: false }`
[INFO] [stdout] 6c5bafb0d7e64a989824482d6508e421aed9e80c79dea621df262e10836ccb6f
