[INFO] cloning repository https://github.com/cjhoward92/rustdb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cjhoward92/rustdb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjhoward92%2Frustdb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjhoward92%2Frustdb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5494ccb643b234c8065ad71a4baf8f0321bd5a04
[INFO] testing cjhoward92/rustdb against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjhoward92%2Frustdb" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cjhoward92/rustdb on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cjhoward92/rustdb
[INFO] finished tweaking git repo https://github.com/cjhoward92/rustdb
[INFO] tweaked toml for git repo https://github.com/cjhoward92/rustdb written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/cjhoward92/rustdb already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d7bfcd5e89b80676e27ac3535822aa116947a36077db02b921d21c4623676dba
[INFO] running `Command { std: "docker" "start" "-a" "d7bfcd5e89b80676e27ac3535822aa116947a36077db02b921d21c4623676dba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7bfcd5e89b80676e27ac3535822aa116947a36077db02b921d21c4623676dba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7bfcd5e89b80676e27ac3535822aa116947a36077db02b921d21c4623676dba", kill_on_drop: false }`
[INFO] [stdout] d7bfcd5e89b80676e27ac3535822aa116947a36077db02b921d21c4623676dba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc934bb1fe9538d3979b1a1234b0af3bb84b014afdcaad99424aad4c21c54c53
[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" "bc934bb1fe9538d3979b1a1234b0af3bb84b014afdcaad99424aad4c21c54c53", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustdblib v0.1.0 (/opt/rustwide/workdir/rustdblib)
[INFO] [stdout] warning: constant is never used: `MAX_KEY_LENGTH`
[INFO] [stdout]  --> rustdblib/src/key.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | const MAX_KEY_LENGTH: usize = 255;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NullKey`
[INFO] [stdout]   --> rustdblib/src/key.rs:22:3
[INFO] [stdout]    |
[INFO] [stdout] 22 |   NullKey,
[INFO] [stdout]    |   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BlankKey`
[INFO] [stdout]   --> rustdblib/src/key.rs:23:3
[INFO] [stdout]    |
[INFO] [stdout] 23 |   BlankKey,
[INFO] [stdout]    |   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ExceedsMaxLength`
[INFO] [stdout]   --> rustdblib/src/key.rs:24:3
[INFO] [stdout]    |
[INFO] [stdout] 24 |   ExceedsMaxLength(usize),
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `validate_key`
[INFO] [stdout]   --> rustdblib/src/key.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn validate_key(key: &Key) -> Result<bool, KeyError> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rustdb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "bc934bb1fe9538d3979b1a1234b0af3bb84b014afdcaad99424aad4c21c54c53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc934bb1fe9538d3979b1a1234b0af3bb84b014afdcaad99424aad4c21c54c53", kill_on_drop: false }`
[INFO] [stdout] bc934bb1fe9538d3979b1a1234b0af3bb84b014afdcaad99424aad4c21c54c53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c44e8e232467012240ec89e6ea9b2fcccf82eddf77ea311bcc459f292f23cc6c
[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" "c44e8e232467012240ec89e6ea9b2fcccf82eddf77ea311bcc459f292f23cc6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustdblib v0.1.0 (/opt/rustwide/workdir/rustdblib)
[INFO] [stdout] warning: constant is never used: `MAX_KEY_LENGTH`
[INFO] [stdout]  --> rustdblib/src/key.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | const MAX_KEY_LENGTH: usize = 255;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NullKey`
[INFO] [stdout]   --> rustdblib/src/key.rs:22:3
[INFO] [stdout]    |
[INFO] [stdout] 22 |   NullKey,
[INFO] [stdout]    |   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BlankKey`
[INFO] [stdout]   --> rustdblib/src/key.rs:23:3
[INFO] [stdout]    |
[INFO] [stdout] 23 |   BlankKey,
[INFO] [stdout]    |   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ExceedsMaxLength`
[INFO] [stdout]   --> rustdblib/src/key.rs:24:3
[INFO] [stdout]    |
[INFO] [stdout] 24 |   ExceedsMaxLength(usize),
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `validate_key`
[INFO] [stdout]   --> rustdblib/src/key.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn validate_key(key: &Key) -> Result<bool, KeyError> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rustdb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "c44e8e232467012240ec89e6ea9b2fcccf82eddf77ea311bcc459f292f23cc6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c44e8e232467012240ec89e6ea9b2fcccf82eddf77ea311bcc459f292f23cc6c", kill_on_drop: false }`
[INFO] [stdout] c44e8e232467012240ec89e6ea9b2fcccf82eddf77ea311bcc459f292f23cc6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 505a976b2f7520770a36498674a704451d77b46172e7f918147b916fdc07ac3a
[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" "505a976b2f7520770a36498674a704451d77b46172e7f918147b916fdc07ac3a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: constant is never used: `MAX_KEY_LENGTH`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> rustdblib/src/key.rs:5:1
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 5 | const MAX_KEY_LENGTH: usize = 255;
[INFO] [stdout] 
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NullKey`
[INFO] [stderr]   --> rustdblib/src/key.rs:22:3
[INFO] [stderr]    |
[INFO] [stderr] 22 |   NullKey,
[INFO] [stderr]    |   ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BlankKey`
[INFO] [stderr]   --> rustdblib/src/key.rs:23:3
[INFO] [stderr]    |
[INFO] [stderr] 23 |   BlankKey,
[INFO] [stderr]    |   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ExceedsMaxLength`
[INFO] [stderr]   --> rustdblib/src/key.rs:24:3
[INFO] [stderr]    |
[INFO] [stderr] 24 |   ExceedsMaxLength(usize),
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `validate_key`
[INFO] [stderr]   --> rustdblib/src/key.rs:37:4
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn validate_key(key: &Key) -> Result<bool, KeyError> {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustdb-f80296a31c032d7f)
[INFO] running `Command { std: "docker" "inspect" "505a976b2f7520770a36498674a704451d77b46172e7f918147b916fdc07ac3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "505a976b2f7520770a36498674a704451d77b46172e7f918147b916fdc07ac3a", kill_on_drop: false }`
[INFO] [stdout] 505a976b2f7520770a36498674a704451d77b46172e7f918147b916fdc07ac3a