[INFO] cloning repository https://github.com/corruptmemory/r-tree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/corruptmemory/r-tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcorruptmemory%2Fr-tree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcorruptmemory%2Fr-tree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6870dd907785d5f9898f75df4dbdd9b078d7b4c5
[INFO] testing corruptmemory/r-tree against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcorruptmemory%2Fr-tree" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/corruptmemory/r-tree on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/corruptmemory/r-tree
[INFO] finished tweaking git repo https://github.com/corruptmemory/r-tree
[INFO] tweaked toml for git repo https://github.com/corruptmemory/r-tree written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/corruptmemory/r-tree already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1bf93f8356fc1685db5b492acb092af70db838bd7b5b1d4ea990e0cf7b89b5a
[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" "f1bf93f8356fc1685db5b492acb092af70db838bd7b5b1d4ea990e0cf7b89b5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1bf93f8356fc1685db5b492acb092af70db838bd7b5b1d4ea990e0cf7b89b5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1bf93f8356fc1685db5b492acb092af70db838bd7b5b1d4ea990e0cf7b89b5a", kill_on_drop: false }`
[INFO] [stdout] f1bf93f8356fc1685db5b492acb092af70db838bd7b5b1d4ea990e0cf7b89b5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c55681bdfbcf4b315e79e2863878cf812534d7dc44f3ba2c64bca016c5f53c8f
[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" "c55681bdfbcf4b315e79e2863878cf812534d7dc44f3ba2c64bca016c5f53c8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling r-tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/rtree/rtree.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 |   pub fn new(capacity: usize) -> InnerNode<T> {
[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: `is_full`
[INFO] [stdout]   --> src/rtree/rtree.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 |   pub fn is_full(&self) -> bool {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/rtree/rtree.rs:31:10
[INFO] [stdout]    |
[INFO] [stdout] 31 |   pub fn new(capacity: usize) -> LeafNode<T> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_full`
[INFO] [stdout]   --> src/rtree/rtree.rs:35:10
[INFO] [stdout]    |
[INFO] [stdout] 35 |   pub fn is_full(&self) -> bool {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Inner`
[INFO] [stdout]   --> src/rtree/rtree.rs:42:3
[INFO] [stdout]    |
[INFO] [stdout] 42 |   Inner(InnerNode<T>),
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Leaf`
[INFO] [stdout]   --> src/rtree/rtree.rs:43:3
[INFO] [stdout]    |
[INFO] [stdout] 43 |   Leaf(LeafNode<T>)
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "c55681bdfbcf4b315e79e2863878cf812534d7dc44f3ba2c64bca016c5f53c8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c55681bdfbcf4b315e79e2863878cf812534d7dc44f3ba2c64bca016c5f53c8f", kill_on_drop: false }`
[INFO] [stdout] c55681bdfbcf4b315e79e2863878cf812534d7dc44f3ba2c64bca016c5f53c8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a36fa7f7373dbcb3a5d679c45d80cceca009f1fc988a78864fbce3d82eae414
[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" "7a36fa7f7373dbcb3a5d679c45d80cceca009f1fc988a78864fbce3d82eae414", kill_on_drop: false }`
[INFO] [stderr]    Compiling r-tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/rtree/rtree.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 |   pub fn new(capacity: usize) -> InnerNode<T> {
[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: `is_full`
[INFO] [stdout]   --> src/rtree/rtree.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 |   pub fn is_full(&self) -> bool {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/rtree/rtree.rs:31:10
[INFO] [stdout]    |
[INFO] [stdout] 31 |   pub fn new(capacity: usize) -> LeafNode<T> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_full`
[INFO] [stdout]   --> src/rtree/rtree.rs:35:10
[INFO] [stdout]    |
[INFO] [stdout] 35 |   pub fn is_full(&self) -> bool {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Inner`
[INFO] [stdout]   --> src/rtree/rtree.rs:42:3
[INFO] [stdout]    |
[INFO] [stdout] 42 |   Inner(InnerNode<T>),
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Leaf`
[INFO] [stdout]   --> src/rtree/rtree.rs:43:3
[INFO] [stdout]    |
[INFO] [stdout] 43 |   Leaf(LeafNode<T>)
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "7a36fa7f7373dbcb3a5d679c45d80cceca009f1fc988a78864fbce3d82eae414", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a36fa7f7373dbcb3a5d679c45d80cceca009f1fc988a78864fbce3d82eae414", kill_on_drop: false }`
[INFO] [stdout] 7a36fa7f7373dbcb3a5d679c45d80cceca009f1fc988a78864fbce3d82eae414
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3394f43a543f08fb5e93c15df0883fca1a9415a6cb23bb2116c33e1ad5d37d3c
[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" "3394f43a543f08fb5e93c15df0883fca1a9415a6cb23bb2116c33e1ad5d37d3c", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/rtree/rtree.rs:14:10
[INFO] [stderr]    |
[INFO] [stderr] 14 |   pub fn new(capacity: usize) -> InnerNode<T> {
[INFO] [stderr]    |          ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_full`
[INFO] [stderr]   --> src/rtree/rtree.rs:18:10
[INFO] [stderr]    |
[INFO] [stderr] 18 |   pub fn is_full(&self) -> bool {
[INFO] [stderr]    |          ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/rtree/rtree.rs:31:10
[INFO] [stderr]    |
[INFO] [stderr] 31 |   pub fn new(capacity: usize) -> LeafNode<T> {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_full`
[INFO] [stderr]   --> src/rtree/rtree.rs:35:10
[INFO] [stderr]    |
[INFO] [stderr] 35 |   pub fn is_full(&self) -> bool {
[INFO] [stderr]    |          ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Inner`
[INFO] [stderr]   --> src/rtree/rtree.rs:42:3
[INFO] [stderr]    |
[INFO] [stderr] 42 |   Inner(InnerNode<T>),
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Leaf`
[INFO] [stderr]   --> src/rtree/rtree.rs:43:3
[INFO] [stderr]    |
[INFO] [stderr] 43 |   Leaf(LeafNode<T>)
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/r_tree-97bb95f85c04b862
[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" "3394f43a543f08fb5e93c15df0883fca1a9415a6cb23bb2116c33e1ad5d37d3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3394f43a543f08fb5e93c15df0883fca1a9415a6cb23bb2116c33e1ad5d37d3c", kill_on_drop: false }`
[INFO] [stdout] 3394f43a543f08fb5e93c15df0883fca1a9415a6cb23bb2116c33e1ad5d37d3c