[INFO] crate neutrondb 0.9.19 is already in cache
[INFO] testing neutrondb-0.9.19 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate neutrondb 0.9.19 into /workspace/builds/worker-52/source
[INFO] validating manifest of crates.io crate neutrondb 0.9.19 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate neutrondb 0.9.19
[INFO] finished tweaking crates.io crate neutrondb 0.9.19
[INFO] tweaked toml for crates.io crate neutrondb 0.9.19 written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce182f30a6b579b1173a34ba20a5e55214eafd10fc8744e9b9b93a59ac907f08
[INFO] running `Command { std: "docker" "start" "-a" "ce182f30a6b579b1173a34ba20a5e55214eafd10fc8744e9b9b93a59ac907f08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce182f30a6b579b1173a34ba20a5e55214eafd10fc8744e9b9b93a59ac907f08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce182f30a6b579b1173a34ba20a5e55214eafd10fc8744e9b9b93a59ac907f08", kill_on_drop: false }`
[INFO] [stdout] ce182f30a6b579b1173a34ba20a5e55214eafd10fc8744e9b9b93a59ac907f08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 238357725f44d032dc0b6258899f7e8b4f7d08ef1e3f2ecde4b97854542065bf
[INFO] running `Command { std: "docker" "start" "-a" "238357725f44d032dc0b6258899f7e8b4f7d08ef1e3f2ecde4b97854542065bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling block-padding v0.2.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling keccak v0.1.0
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling stellar-notation v0.9.18
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling blake3 v1.2.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling sha2 v0.9.8
[INFO] [stderr]    Compiling sha3 v0.9.1
[INFO] [stderr]    Compiling neutrondb v0.9.19 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `object`
[INFO] [stdout]  --> src/linked_list/deserialize.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn object(bytes: &Vec<u8>) -> Result<(String, String), Box<dyn Error>> {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.51s
[INFO] running `Command { std: "docker" "inspect" "238357725f44d032dc0b6258899f7e8b4f7d08ef1e3f2ecde4b97854542065bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "238357725f44d032dc0b6258899f7e8b4f7d08ef1e3f2ecde4b97854542065bf", kill_on_drop: false }`
[INFO] [stdout] 238357725f44d032dc0b6258899f7e8b4f7d08ef1e3f2ecde4b97854542065bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e16511d53a0ba2c3b646f7e019990b38d67e4e3907d9e8891cd7d6f3407b436a
[INFO] running `Command { std: "docker" "start" "-a" "e16511d53a0ba2c3b646f7e019990b38d67e4e3907d9e8891cd7d6f3407b436a", kill_on_drop: false }`
[INFO] [stderr]    Compiling neutrondb v0.9.19 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `object`
[INFO] [stdout]  --> src/linked_list/deserialize.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn object(bytes: &Vec<u8>) -> Result<(String, String), Box<dyn Error>> {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `object`
[INFO] [stdout]  --> src/linked_list/deserialize.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn object(bytes: &Vec<u8>) -> Result<(String, String), Box<dyn Error>> {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "e16511d53a0ba2c3b646f7e019990b38d67e4e3907d9e8891cd7d6f3407b436a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e16511d53a0ba2c3b646f7e019990b38d67e4e3907d9e8891cd7d6f3407b436a", kill_on_drop: false }`
[INFO] [stdout] e16511d53a0ba2c3b646f7e019990b38d67e4e3907d9e8891cd7d6f3407b436a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 761bb93cea97f08a570ead842a40c54c13d700c7d3d20003a926375730d2fe27
[INFO] running `Command { std: "docker" "start" "-a" "761bb93cea97f08a570ead842a40c54c13d700c7d3d20003a926375730d2fe27", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `object`
[INFO] [stderr]  --> src/linked_list/deserialize.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn object(bytes: &Vec<u8>) -> Result<(String, String), Box<dyn Error>> {
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `neutrondb` (lib) generated 1 warning
[INFO] [stderr] warning: `neutrondb` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/neutrondb-151ffd274a187a70)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests neutrondb
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "761bb93cea97f08a570ead842a40c54c13d700c7d3d20003a926375730d2fe27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "761bb93cea97f08a570ead842a40c54c13d700c7d3d20003a926375730d2fe27", kill_on_drop: false }`
[INFO] [stdout] 761bb93cea97f08a570ead842a40c54c13d700c7d3d20003a926375730d2fe27