[INFO] cloning 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" "clone" "--bare" "https://github.com/tgvashworth/bloom_filter_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftgvashworth%2Fbloom_filter_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftgvashworth%2Fbloom_filter_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 61024201cc10d26dc54713fb5108a6ea64cc8d73
[INFO] checking tgvashworth/bloom_filter_rs against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftgvashworth%2Fbloom_filter_rs" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tgvashworth/bloom_filter_rs on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "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-7/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" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "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] f75106fe2dddac696eeb85cd86281f12388b4be0d6797f42ee2fbf6d9c358fac
[INFO] running `Command { std: "docker" "start" "-a" "f75106fe2dddac696eeb85cd86281f12388b4be0d6797f42ee2fbf6d9c358fac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f75106fe2dddac696eeb85cd86281f12388b4be0d6797f42ee2fbf6d9c358fac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f75106fe2dddac696eeb85cd86281f12388b4be0d6797f42ee2fbf6d9c358fac", kill_on_drop: false }`
[INFO] [stdout] f75106fe2dddac696eeb85cd86281f12388b4be0d6797f42ee2fbf6d9c358fac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] b34cb48c2863c3871e8bc1d353f61f83fea4e3f7cad3da1da2a5f937caa3ace3
[INFO] running `Command { std: "docker" "start" "-a" "b34cb48c2863c3871e8bc1d353f61f83fea4e3f7cad3da1da2a5f937caa3ace3", kill_on_drop: false }`
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]     Checking rand v0.3.18
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[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 8.08s
[INFO] running `Command { std: "docker" "inspect" "b34cb48c2863c3871e8bc1d353f61f83fea4e3f7cad3da1da2a5f937caa3ace3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b34cb48c2863c3871e8bc1d353f61f83fea4e3f7cad3da1da2a5f937caa3ace3", kill_on_drop: false }`
[INFO] [stdout] b34cb48c2863c3871e8bc1d353f61f83fea4e3f7cad3da1da2a5f937caa3ace3