[INFO] fetching crate tetani 0.1.0...
[INFO] checking tetani-0.1.0 against master#ffa2e7ae8fbf9badc035740db949b9dae271c29f for pr-78338
[INFO] extracting crate tetani 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate tetani 0.1.0 on toolchain ffa2e7ae8fbf9badc035740db949b9dae271c29f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tetani 0.1.0
[INFO] finished tweaking crates.io crate tetani 0.1.0
[INFO] tweaked toml for crates.io crate tetani 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "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] 269a1dcb9cac010e688f54f0dbe7a555ac7fbd0fb4f92a948dbf0158b661fa3b
[INFO] running `Command { std: "docker" "start" "-a" "269a1dcb9cac010e688f54f0dbe7a555ac7fbd0fb4f92a948dbf0158b661fa3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "269a1dcb9cac010e688f54f0dbe7a555ac7fbd0fb4f92a948dbf0158b661fa3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "269a1dcb9cac010e688f54f0dbe7a555ac7fbd0fb4f92a948dbf0158b661fa3b", kill_on_drop: false }`
[INFO] [stdout] 269a1dcb9cac010e688f54f0dbe7a555ac7fbd0fb4f92a948dbf0158b661fa3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71bd507c7fd9360c7415abd6d93158fb7ffb5d24011600025a730de26c0d4e19
[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" "71bd507c7fd9360c7415abd6d93158fb7ffb5d24011600025a730de26c0d4e19", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_pcg v0.1.2
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking tetani v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `compare_and`
[INFO] [stdout]    --> src/lib.rs:187:4
[INFO] [stdout]     |
[INFO] [stdout] 187 | fn compare_and(bitvector: &Vec<bool>, other: &Vec<bool>) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `increment_bitvector`
[INFO] [stdout]    --> src/lib.rs:228:4
[INFO] [stdout]     |
[INFO] [stdout] 228 | fn increment_bitvector(bitvector: &mut Vec<bool>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `compare_and`
[INFO] [stdout]    --> src/lib.rs:187:4
[INFO] [stdout]     |
[INFO] [stdout] 187 | fn compare_and(bitvector: &Vec<bool>, other: &Vec<bool>) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `increment_bitvector`
[INFO] [stdout]    --> src/lib.rs:228:4
[INFO] [stdout]     |
[INFO] [stdout] 228 | fn increment_bitvector(bitvector: &mut Vec<bool>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.42s
[INFO] running `Command { std: "docker" "inspect" "71bd507c7fd9360c7415abd6d93158fb7ffb5d24011600025a730de26c0d4e19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71bd507c7fd9360c7415abd6d93158fb7ffb5d24011600025a730de26c0d4e19", kill_on_drop: false }`
[INFO] [stdout] 71bd507c7fd9360c7415abd6d93158fb7ffb5d24011600025a730de26c0d4e19