[INFO] updating cached repository corruptmemory/r-tree
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/corruptmemory/r-tree
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/corruptmemory/r-tree" "work/ex/beta-1.38-1/sources/1.37.0/gh/corruptmemory/r-tree"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/corruptmemory/r-tree'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/corruptmemory/r-tree" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/corruptmemory/r-tree"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/corruptmemory/r-tree'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6870dd907785d5f9898f75df4dbdd9b078d7b4c5
[INFO] sha for GitHub repo corruptmemory/r-tree: 6870dd907785d5f9898f75df4dbdd9b078d7b4c5
[INFO] validating manifest of corruptmemory/r-tree on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of corruptmemory/r-tree on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing corruptmemory/r-tree
[INFO] finished frobbing corruptmemory/r-tree
[INFO] frobbed toml for corruptmemory/r-tree written to work/ex/beta-1.38-1/sources/1.37.0/gh/corruptmemory/r-tree/Cargo.toml
[INFO] started frobbing corruptmemory/r-tree
[INFO] finished frobbing corruptmemory/r-tree
[INFO] frobbed toml for corruptmemory/r-tree written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/corruptmemory/r-tree/Cargo.toml
[INFO] crate corruptmemory/r-tree already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing corruptmemory/r-tree against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/corruptmemory/r-tree:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] def2ce2a37d562790c12d6fbc1a1dd1d1f188565e66eb16ad05d7d4fadaa77e3
[INFO] running `"docker" "start" "-a" "def2ce2a37d562790c12d6fbc1a1dd1d1f188565e66eb16ad05d7d4fadaa77e3"`
[INFO] [stderr]    Compiling r-tree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: struct is never constructed: `InnerNode`
[INFO] [stderr]  --> src/rtree/rtree.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct InnerNode<T : Debug> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/rtree/rtree.rs:14:3
[INFO] [stderr]    |
[INFO] [stderr] 14 |   pub fn new(capacity: usize) -> InnerNode<T> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_full`
[INFO] [stderr]   --> src/rtree/rtree.rs:18:3
[INFO] [stderr]    |
[INFO] [stderr] 18 |   pub fn is_full(&self) -> bool {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `LeafNode`
[INFO] [stderr]   --> src/rtree/rtree.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub struct LeafNode<T: Debug> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/rtree/rtree.rs:31:3
[INFO] [stderr]    |
[INFO] [stderr] 31 |   pub fn new(capacity: usize) -> LeafNode<T> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_full`
[INFO] [stderr]   --> src/rtree/rtree.rs:35:3
[INFO] [stderr]    |
[INFO] [stderr] 35 |   pub fn is_full(&self) -> bool {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `RTreeNode`
[INFO] [stderr]   --> src/rtree/rtree.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub enum RTreeNode<T: Debug> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `RTree`
[INFO] [stderr]   --> src/rtree/rtree.rs:47:1
[INFO] [stderr]    |
[INFO] [stderr] 47 | pub struct RTree<T : Debug> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `"docker" "inspect" "def2ce2a37d562790c12d6fbc1a1dd1d1f188565e66eb16ad05d7d4fadaa77e3"`
[INFO] running `"docker" "rm" "-f" "def2ce2a37d562790c12d6fbc1a1dd1d1f188565e66eb16ad05d7d4fadaa77e3"`
[INFO] [stdout] def2ce2a37d562790c12d6fbc1a1dd1d1f188565e66eb16ad05d7d4fadaa77e3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/corruptmemory/r-tree:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 33fdefc29c82bc08a2c68ab06c307be8b360d75237a1f39d9716ce6de15418d0
[INFO] running `"docker" "start" "-a" "33fdefc29c82bc08a2c68ab06c307be8b360d75237a1f39d9716ce6de15418d0"`
[INFO] [stderr]    Compiling r-tree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: struct is never constructed: `InnerNode`
[INFO] [stderr]  --> src/rtree/rtree.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct InnerNode<T : Debug> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/rtree/rtree.rs:14:3
[INFO] [stderr]    |
[INFO] [stderr] 14 |   pub fn new(capacity: usize) -> InnerNode<T> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_full`
[INFO] [stderr]   --> src/rtree/rtree.rs:18:3
[INFO] [stderr]    |
[INFO] [stderr] 18 |   pub fn is_full(&self) -> bool {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `LeafNode`
[INFO] [stderr]   --> src/rtree/rtree.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub struct LeafNode<T: Debug> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/rtree/rtree.rs:31:3
[INFO] [stderr]    |
[INFO] [stderr] 31 |   pub fn new(capacity: usize) -> LeafNode<T> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_full`
[INFO] [stderr]   --> src/rtree/rtree.rs:35:3
[INFO] [stderr]    |
[INFO] [stderr] 35 |   pub fn is_full(&self) -> bool {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `RTreeNode`
[INFO] [stderr]   --> src/rtree/rtree.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub enum RTreeNode<T: Debug> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `RTree`
[INFO] [stderr]   --> src/rtree/rtree.rs:47:1
[INFO] [stderr]    |
[INFO] [stderr] 47 | pub struct RTree<T : Debug> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `"docker" "inspect" "33fdefc29c82bc08a2c68ab06c307be8b360d75237a1f39d9716ce6de15418d0"`
[INFO] running `"docker" "rm" "-f" "33fdefc29c82bc08a2c68ab06c307be8b360d75237a1f39d9716ce6de15418d0"`
[INFO] [stdout] 33fdefc29c82bc08a2c68ab06c307be8b360d75237a1f39d9716ce6de15418d0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/corruptmemory/r-tree:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 44249344750d158df025946885414688ae95a3efe9088ff350314b193e675fdd
[INFO] running `"docker" "start" "-a" "44249344750d158df025946885414688ae95a3efe9088ff350314b193e675fdd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/r_tree-947faa51687947c0
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "44249344750d158df025946885414688ae95a3efe9088ff350314b193e675fdd"`
[INFO] running `"docker" "rm" "-f" "44249344750d158df025946885414688ae95a3efe9088ff350314b193e675fdd"`
[INFO] [stdout] 44249344750d158df025946885414688ae95a3efe9088ff350314b193e675fdd