[INFO] crate bobbytables 0.2.0 is already in cache
[INFO] testing bobbytables-0.2.0 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate bobbytables 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate bobbytables 0.2.0 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate bobbytables 0.2.0
[INFO] finished tweaking crates.io crate bobbytables 0.2.0
[INFO] tweaked toml for crates.io crate bobbytables 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ac2a4d650d154ab9556d8d18dab89ed6b364a0e5edd5b1f1c8a60a57e18dc01f
[INFO] running `"docker" "start" "-a" "ac2a4d650d154ab9556d8d18dab89ed6b364a0e5edd5b1f1c8a60a57e18dc01f"`
[INFO] [stderr]    Compiling bobbytables v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `"docker" "inspect" "ac2a4d650d154ab9556d8d18dab89ed6b364a0e5edd5b1f1c8a60a57e18dc01f"`
[INFO] running `"docker" "rm" "-f" "ac2a4d650d154ab9556d8d18dab89ed6b364a0e5edd5b1f1c8a60a57e18dc01f"`
[INFO] [stdout] ac2a4d650d154ab9556d8d18dab89ed6b364a0e5edd5b1f1c8a60a57e18dc01f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2c6efb528c65ddb7d1aa53cba1a9003f2b7032427246cfe5a584aa038395fae3
[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" "2c6efb528c65ddb7d1aa53cba1a9003f2b7032427246cfe5a584aa038395fae3"`
[INFO] [stderr]    Compiling bobbytables v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]    --> src/lib.rs:298:22
[INFO] [stderr]     |
[INFO] [stderr] 298 |                 for (key, val) in (&c).into_iter() {
[INFO] [stderr]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `val`
[INFO] [stderr]    --> src/lib.rs:316:27
[INFO] [stderr]     |
[INFO] [stderr] 316 |                 for (key, val) in (&c1).into_iter() {
[INFO] [stderr]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.87s
[INFO] running `"docker" "inspect" "2c6efb528c65ddb7d1aa53cba1a9003f2b7032427246cfe5a584aa038395fae3"`
[INFO] running `"docker" "rm" "-f" "2c6efb528c65ddb7d1aa53cba1a9003f2b7032427246cfe5a584aa038395fae3"`
[INFO] [stdout] 2c6efb528c65ddb7d1aa53cba1a9003f2b7032427246cfe5a584aa038395fae3
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] 83bf311ff1b1a708119ae20b638ab1f1e9ec2fbb8ca53729274d0cfd119888b2
[INFO] running `"docker" "start" "-a" "83bf311ff1b1a708119ae20b638ab1f1e9ec2fbb8ca53729274d0cfd119888b2"`
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]    --> src/lib.rs:298:22
[INFO] [stderr]     |
[INFO] [stderr] 298 |                 for (key, val) in (&c).into_iter() {
[INFO] [stderr]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `val`
[INFO] [stderr]    --> src/lib.rs:316:27
[INFO] [stderr]     |
[INFO] [stderr] 316 |                 for (key, val) in (&c1).into_iter() {
[INFO] [stderr]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bobbytables-578121b546f56086
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test tests::bench_arc_incr ... ok
[INFO] [stdout] test tests::bench_djb2_hash ... ok
[INFO] [stdout] test tests::bench_clean_key ... ok
[INFO] [stdout] test tests::bench_into_iter ... ok
[INFO] [stdout] test tests::bench_get ... ok
[INFO] [stdout] test tests::bench_existing_incr ... ok
[INFO] [stdout] test tests::bench_arc_get ... ok
[INFO] [stdout] test tests::bench_incr ... ok
[INFO] [stdout] test tests::bench_iter ... ok
[INFO] [stdout] test tests::get ... ok
[INFO] [stdout] test tests::increment ... ok
[INFO] [stdout] test tests::sequential_iter ... ok
[INFO] [stdout] test tests::concurrent_iter_and_incr ... ok
[INFO] [stdout] test tests::concurrent_iter ... ok
[INFO] [stdout] test tests::concurrent_increment ... ok
[INFO] [stdout] test tests::concurrent_multi_key_increment ... ok
[INFO] [stdout] test tests::sequential_increment ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bobbytables
[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" "83bf311ff1b1a708119ae20b638ab1f1e9ec2fbb8ca53729274d0cfd119888b2"`
[INFO] running `"docker" "rm" "-f" "83bf311ff1b1a708119ae20b638ab1f1e9ec2fbb8ca53729274d0cfd119888b2"`
[INFO] [stdout] 83bf311ff1b1a708119ae20b638ab1f1e9ec2fbb8ca53729274d0cfd119888b2