[INFO] updating cached repository https://github.com/tgvashworth/bloom_filter_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 61024201cc10d26dc54713fb5108a6ea64cc8d73
[INFO] checking tgvashworth/bloom_filter_rs against master#4fb54ed484e2239a3e9eff3be17df00d2a162be3 for pr-73345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftgvashworth%2Fbloom_filter_rs" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tgvashworth/bloom_filter_rs on toolchain 4fb54ed484e2239a3e9eff3be17df00d2a162be3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tgvashworth/bloom_filter_rs
[INFO] finished tweaking git repo https://github.com/tgvashworth/bloom_filter_rs
[INFO] tweaked toml for git repo https://github.com/tgvashworth/bloom_filter_rs written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/tgvashworth/bloom_filter_rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d3616827b782db8c020f46a65becbdbcf0bd137015240b4b763cb1740cb0256
[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" "7d3616827b782db8c020f46a65becbdbcf0bd137015240b4b763cb1740cb0256", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d3616827b782db8c020f46a65becbdbcf0bd137015240b4b763cb1740cb0256", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d3616827b782db8c020f46a65becbdbcf0bd137015240b4b763cb1740cb0256", kill_on_drop: false }`
[INFO] [stdout] 7d3616827b782db8c020f46a65becbdbcf0bd137015240b4b763cb1740cb0256
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6df74410ff5429c1d59859a55c8683df347211572476498afb77cf124c9be1a3
[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" "6df74410ff5429c1d59859a55c8683df347211572476498afb77cf124c9be1a3", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking libc v0.2.34
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking rand v0.3.18
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking quickcheck v0.4.1
[INFO] [stderr]     Checking data_structures v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `unset`
[INFO] [stdout]   --> src/bits.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn unset(&mut self, i: usize) {
[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 10.17s
[INFO] running `Command { std: "docker" "inspect" "6df74410ff5429c1d59859a55c8683df347211572476498afb77cf124c9be1a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6df74410ff5429c1d59859a55c8683df347211572476498afb77cf124c9be1a3", kill_on_drop: false }`
[INFO] [stdout] 6df74410ff5429c1d59859a55c8683df347211572476498afb77cf124c9be1a3