[INFO] cloning repository https://github.com/hjarrell/rust-hashing-analysis
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hjarrell/rust-hashing-analysis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhjarrell%2Frust-hashing-analysis", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhjarrell%2Frust-hashing-analysis'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2a198c752495b911211d40198ad667b9ba12df3
[INFO] testing hjarrell/rust-hashing-analysis against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhjarrell%2Frust-hashing-analysis" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hjarrell/rust-hashing-analysis on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hjarrell/rust-hashing-analysis
[INFO] finished tweaking git repo https://github.com/hjarrell/rust-hashing-analysis
[INFO] tweaked toml for git repo https://github.com/hjarrell/rust-hashing-analysis written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/hjarrell/rust-hashing-analysis already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 783c2f052515c029fa753e1d360e927144a385c0bfeba4e5c809ea3874d573fc
[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" "783c2f052515c029fa753e1d360e927144a385c0bfeba4e5c809ea3874d573fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "783c2f052515c029fa753e1d360e927144a385c0bfeba4e5c809ea3874d573fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "783c2f052515c029fa753e1d360e927144a385c0bfeba4e5c809ea3874d573fc", kill_on_drop: false }`
[INFO] [stdout] 783c2f052515c029fa753e1d360e927144a385c0bfeba4e5c809ea3874d573fc
[INFO] running `Command { std: "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" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", 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] 259f8fee3f4e9c16d5cf4e113a94c2ad2966877937b69eb2dafeff3c585860c4
[INFO] running `Command { std: "docker" "start" "-a" "259f8fee3f4e9c16d5cf4e113a94c2ad2966877937b69eb2dafeff3c585860c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling svg v0.5.11
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling plotlib v0.3.0
[INFO] [stderr]    Compiling hashing_analysis_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `num_of_bits`
[INFO] [stdout]  --> src/hashtable.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn num_of_bits(input: &u32) -> u32 {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Deleted`
[INFO] [stdout]   --> src/hashtable.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     Deleted,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_deleted`
[INFO] [stdout]   --> src/hashtable.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn is_deleted(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.02s
[INFO] running `Command { std: "docker" "inspect" "259f8fee3f4e9c16d5cf4e113a94c2ad2966877937b69eb2dafeff3c585860c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "259f8fee3f4e9c16d5cf4e113a94c2ad2966877937b69eb2dafeff3c585860c4", kill_on_drop: false }`
[INFO] [stdout] 259f8fee3f4e9c16d5cf4e113a94c2ad2966877937b69eb2dafeff3c585860c4
[INFO] running `Command { std: "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" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ddef0eb729f14840eba7c99bab47606739e0bf7cbb5933f311a4a5bcc24f257
[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" "1ddef0eb729f14840eba7c99bab47606739e0bf7cbb5933f311a4a5bcc24f257", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashing_analysis_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `num_of_bits`
[INFO] [stdout]  --> src/hashtable.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn num_of_bits(input: &u32) -> u32 {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Deleted`
[INFO] [stdout]   --> src/hashtable.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     Deleted,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_deleted`
[INFO] [stdout]   --> src/hashtable.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn is_deleted(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "1ddef0eb729f14840eba7c99bab47606739e0bf7cbb5933f311a4a5bcc24f257", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ddef0eb729f14840eba7c99bab47606739e0bf7cbb5933f311a4a5bcc24f257", kill_on_drop: false }`
[INFO] [stdout] 1ddef0eb729f14840eba7c99bab47606739e0bf7cbb5933f311a4a5bcc24f257
[INFO] running `Command { std: "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" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f60224ac6b05d907d2703a85634f8e2175bf1d7a1f16bc00ca3551a6245e82cc
[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" "f60224ac6b05d907d2703a85634f8e2175bf1d7a1f16bc00ca3551a6245e82cc", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `num_of_bits`
[INFO] [stderr]  --> src/hashtable.rs:3:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn num_of_bits(input: &u32) -> u32 {
[INFO] [stderr]   |    ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Deleted`
[INFO] [stderr]   --> src/hashtable.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     Deleted,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_deleted`
[INFO] [stderr]   --> src/hashtable.rs:58:8
[INFO] [stderr]    |
[INFO] [stderr] 58 |     fn is_deleted(&self) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `hashing_analysis_rust` (bin "hashing_analysis_rust" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hashing_analysis_rust-dbb3c80bc44653f0)
[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" "f60224ac6b05d907d2703a85634f8e2175bf1d7a1f16bc00ca3551a6245e82cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f60224ac6b05d907d2703a85634f8e2175bf1d7a1f16bc00ca3551a6245e82cc", kill_on_drop: false }`
[INFO] [stdout] f60224ac6b05d907d2703a85634f8e2175bf1d7a1f16bc00ca3551a6245e82cc