[INFO] fetching crate tetani 0.1.0...
[INFO] checking tetani-0.1.0 against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665
[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 d7b51666469c792a8a3f40849607739bae1e705e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"`
[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 `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "/opt/rustwide/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8f9c4062eb33052ed8a909783791a1d93ce8eb87ff60a967eb6ccad594ee14cc
[INFO] running `"docker" "start" "-a" "8f9c4062eb33052ed8a909783791a1d93ce8eb87ff60a967eb6ccad594ee14cc"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking tetani v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `compare_and`
[INFO] [stderr]    --> src/lib.rs:187:4
[INFO] [stderr]     |
[INFO] [stderr] 187 | fn compare_and(bitvector: &Vec<bool>, other: &Vec<bool>) -> bool {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `increment_bitvector`
[INFO] [stderr]    --> src/lib.rs:228:4
[INFO] [stderr]     |
[INFO] [stderr] 228 | fn increment_bitvector(bitvector: &mut Vec<bool>) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `compare_and`
[INFO] [stderr]    --> src/lib.rs:187:4
[INFO] [stderr]     |
[INFO] [stderr] 187 | fn compare_and(bitvector: &Vec<bool>, other: &Vec<bool>) -> bool {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `increment_bitvector`
[INFO] [stderr]    --> src/lib.rs:228:4
[INFO] [stderr]     |
[INFO] [stderr] 228 | fn increment_bitvector(bitvector: &mut Vec<bool>) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.64s
[INFO] running `"docker" "inspect" "8f9c4062eb33052ed8a909783791a1d93ce8eb87ff60a967eb6ccad594ee14cc"`
[INFO] running `"docker" "rm" "-f" "8f9c4062eb33052ed8a909783791a1d93ce8eb87ff60a967eb6ccad594ee14cc"`
[INFO] [stdout] 8f9c4062eb33052ed8a909783791a1d93ce8eb87ff60a967eb6ccad594ee14cc