[INFO] fetching crate tetani 0.1.0...
[INFO] checking tetani-0.1.0 against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] extracting crate tetani 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate tetani 0.1.0 on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b28aa79954aa71385c2448c7c6eade43d7b8f18d4531702694885939e303a5d
[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" "5b28aa79954aa71385c2448c7c6eade43d7b8f18d4531702694885939e303a5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b28aa79954aa71385c2448c7c6eade43d7b8f18d4531702694885939e303a5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b28aa79954aa71385c2448c7c6eade43d7b8f18d4531702694885939e303a5d", kill_on_drop: false }`
[INFO] [stdout] 5b28aa79954aa71385c2448c7c6eade43d7b8f18d4531702694885939e303a5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] afbcf9f06511c324b4db7cceb269141a17a3c989db6cdc345753ef0ef70740b7
[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" "afbcf9f06511c324b4db7cceb269141a17a3c989db6cdc345753ef0ef70740b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling 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 4.58s
[INFO] running `Command { std: "docker" "inspect" "afbcf9f06511c324b4db7cceb269141a17a3c989db6cdc345753ef0ef70740b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afbcf9f06511c324b4db7cceb269141a17a3c989db6cdc345753ef0ef70740b7", kill_on_drop: false }`
[INFO] [stdout] afbcf9f06511c324b4db7cceb269141a17a3c989db6cdc345753ef0ef70740b7