[INFO] fetching crate boomphf 0.5.5...
[INFO] checking boomphf-0.5.5 against beta for pr-78714
[INFO] extracting crate boomphf 0.5.5 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate boomphf 0.5.5 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate boomphf 0.5.5
[INFO] finished tweaking crates.io crate boomphf 0.5.5
[INFO] tweaked toml for crates.io crate boomphf 0.5.5 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77da4f952ec86c76f9327c666b0aaa361175703b7a3c3379dc86aad02dadbc18
[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" "77da4f952ec86c76f9327c666b0aaa361175703b7a3c3379dc86aad02dadbc18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77da4f952ec86c76f9327c666b0aaa361175703b7a3c3379dc86aad02dadbc18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77da4f952ec86c76f9327c666b0aaa361175703b7a3c3379dc86aad02dadbc18", kill_on_drop: false }`
[INFO] [stdout] 77da4f952ec86c76f9327c666b0aaa361175703b7a3c3379dc86aad02dadbc18
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 171d5a7d446d847fce61d5ac91bdb52a677c4ea5f04143ea4fd6ee99fd002bb1
[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" "171d5a7d446d847fce61d5ac91bdb52a677c4ea5f04143ea4fd6ee99fd002bb1", kill_on_drop: false }`
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]     Checking wyhash v0.4.2
[INFO] [stderr]     Checking boomphf v0.5.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `phf`
[INFO] [stdout]   --> benches/build.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let phf = Mphf::new(2.0, &items);
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_phf`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `phf`
[INFO] [stdout]   --> benches/build.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let phf = Mphf::new_parallel(2.0, &items, None);
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_phf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.93s
[INFO] running `Command { std: "docker" "inspect" "171d5a7d446d847fce61d5ac91bdb52a677c4ea5f04143ea4fd6ee99fd002bb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "171d5a7d446d847fce61d5ac91bdb52a677c4ea5f04143ea4fd6ee99fd002bb1", kill_on_drop: false }`
[INFO] [stdout] 171d5a7d446d847fce61d5ac91bdb52a677c4ea5f04143ea4fd6ee99fd002bb1