[INFO] updating cached repository https://github.com/johnterickson/rustdb
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5771d3c5cb74b2d5a826d1557ba5055c921c3442
[INFO] testing johnterickson/rustdb against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnterickson%2Frustdb" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/johnterickson/rustdb on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/johnterickson/rustdb
[INFO] finished tweaking git repo https://github.com/johnterickson/rustdb
[INFO] tweaked toml for git repo https://github.com/johnterickson/rustdb written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/johnterickson/rustdb already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stdout] e6146a71dd62e2fab3615f10da7a5768d190729591c893a1ae4533a19f367d86
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "e6146a71dd62e2fab3615f10da7a5768d190729591c893a1ae4533a19f367d86"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling smallvec v1.2.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling lock_api v0.3.3
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.7.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling parking_lot v0.10.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling jdb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `owning_ref::StableAddress`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use owning_ref::StableAddress;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `OwningHandle`
[INFO] [stderr]  --> src/main.rs:5:30
[INFO] [stderr]   |
[INFO] [stderr] 5 | use owning_ref::{OwningRef,  OwningHandle, OwningRefMut};
[INFO] [stderr]   |                              ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `lock_api::RawRwLockUpgrade`
[INFO] [stderr]   --> src/main.rs:14:19
[INFO] [stderr]    |
[INFO] [stderr] 14 | use parking_lot::{lock_api::RawRwLockUpgrade};
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `as_leaf`
[INFO] [stderr]    --> src/main.rs:348:5
[INFO] [stderr]     |
[INFO] [stderr] 348 |     fn as_leaf(&self) -> &LeafNode {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print_tree`
[INFO] [stderr]    --> src/main.rs:946:5
[INFO] [stderr]     |
[INFO] [stderr] 946 |     fn print_tree<W: Write, T: ReadGuard<TableImpl>>(table: &T, output: &mut W, page_num: PageNumber, indent: usize) -> TableResult<()> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:953:21
[INFO] [stderr]     |
[INFO] [stderr] 953 |                     Table::print_tree(table, output, child.child, indent+1);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.13s
[INFO] running `"docker" "inspect" "e6146a71dd62e2fab3615f10da7a5768d190729591c893a1ae4533a19f367d86"`
[INFO] running `"docker" "rm" "-f" "e6146a71dd62e2fab3615f10da7a5768d190729591c893a1ae4533a19f367d86"`
[INFO] [stdout] e6146a71dd62e2fab3615f10da7a5768d190729591c893a1ae4533a19f367d86
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a3faf503f936310ad66392f5b4ea19ba19a427e11491f06cb7747a4b3f3da66e
[INFO] running `"docker" "start" "-a" "a3faf503f936310ad66392f5b4ea19ba19a427e11491f06cb7747a4b3f3da66e"`
[INFO] [stderr]    Compiling jdb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `owning_ref::StableAddress`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use owning_ref::StableAddress;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `OwningHandle`
[INFO] [stderr]  --> src/main.rs:5:30
[INFO] [stderr]   |
[INFO] [stderr] 5 | use owning_ref::{OwningRef,  OwningHandle, OwningRefMut};
[INFO] [stderr]   |                              ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `lock_api::RawRwLockUpgrade`
[INFO] [stderr]   --> src/main.rs:14:19
[INFO] [stderr]    |
[INFO] [stderr] 14 | use parking_lot::{lock_api::RawRwLockUpgrade};
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `as_leaf`
[INFO] [stderr]    --> src/main.rs:348:5
[INFO] [stderr]     |
[INFO] [stderr] 348 |     fn as_leaf(&self) -> &LeafNode {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print_tree`
[INFO] [stderr]    --> src/main.rs:946:5
[INFO] [stderr]     |
[INFO] [stderr] 946 |     fn print_tree<W: Write, T: ReadGuard<TableImpl>>(table: &T, output: &mut W, page_num: PageNumber, indent: usize) -> TableResult<()> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:953:21
[INFO] [stderr]     |
[INFO] [stderr] 953 |                     Table::print_tree(table, output, child.child, indent+1);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.21s
[INFO] running `"docker" "inspect" "a3faf503f936310ad66392f5b4ea19ba19a427e11491f06cb7747a4b3f3da66e"`
[INFO] running `"docker" "rm" "-f" "a3faf503f936310ad66392f5b4ea19ba19a427e11491f06cb7747a4b3f3da66e"`
[INFO] [stdout] a3faf503f936310ad66392f5b4ea19ba19a427e11491f06cb7747a4b3f3da66e
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fd175384e7b05454076a21cc69ea5e2dde5fc324f8ca85a89766c6216a332f49
[INFO] running `"docker" "start" "-a" "fd175384e7b05454076a21cc69ea5e2dde5fc324f8ca85a89766c6216a332f49"`
[INFO] [stderr] warning: unused import: `owning_ref::StableAddress`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use owning_ref::StableAddress;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `OwningHandle`
[INFO] [stderr]  --> src/main.rs:5:30
[INFO] [stderr]   |
[INFO] [stderr] 5 | use owning_ref::{OwningRef,  OwningHandle, OwningRefMut};
[INFO] [stderr]   |                              ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `lock_api::RawRwLockUpgrade`
[INFO] [stderr]   --> src/main.rs:14:19
[INFO] [stderr]    |
[INFO] [stderr] 14 | use parking_lot::{lock_api::RawRwLockUpgrade};
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `as_leaf`
[INFO] [stderr]    --> src/main.rs:348:5
[INFO] [stderr]     |
[INFO] [stderr] 348 |     fn as_leaf(&self) -> &LeafNode {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print_tree`
[INFO] [stderr]    --> src/main.rs:946:5
[INFO] [stderr]     |
[INFO] [stderr] 946 |     fn print_tree<W: Write, T: ReadGuard<TableImpl>>(table: &T, output: &mut W, page_num: PageNumber, indent: usize) -> TableResult<()> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:953:21
[INFO] [stderr]     |
[INFO] [stderr] 953 |                     Table::print_tree(table, output, child.child, indent+1);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/jdb-ba53efb05bff601d
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::duplicate ... ok
[INFO] [stdout] test tests::split_leaf ... ok
[INFO] [stdout] test tests::persist ... ok
[INFO] [stdout] test tests::empty ... ok
[INFO] [stdout] test tests::echo ... ok
[INFO] [stdout] test tests::full_leaf ... ok
[INFO] [stdout] test tests::split_leaf_twice ... ok
[INFO] [stdout] test tests::split_leaves_a_bunch_randomly ... ok
[INFO] [stdout] test tests::split_leaves_a_bunch ... ok
[INFO] [stdout] test tests::fill_first_level ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "fd175384e7b05454076a21cc69ea5e2dde5fc324f8ca85a89766c6216a332f49"`
[INFO] running `"docker" "rm" "-f" "fd175384e7b05454076a21cc69ea5e2dde5fc324f8ca85a89766c6216a332f49"`
[INFO] [stdout] fd175384e7b05454076a21cc69ea5e2dde5fc324f8ca85a89766c6216a332f49