[INFO] fetching crate robust-binary-search 0.1.1...
[INFO] checking robust-binary-search-0.1.1 against beta for pr-78714
[INFO] extracting crate robust-binary-search 0.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate robust-binary-search 0.1.1 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 robust-binary-search 0.1.1
[INFO] finished tweaking crates.io crate robust-binary-search 0.1.1
[INFO] tweaked toml for crates.io crate robust-binary-search 0.1.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate robust-binary-search 0.1.1 already has a lockfile, it will not be regenerated
[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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] c211557bd1e2bed01a956333821a8243e6a94b10728b51f5805c4196ccc0a17d
[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" "c211557bd1e2bed01a956333821a8243e6a94b10728b51f5805c4196ccc0a17d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c211557bd1e2bed01a956333821a8243e6a94b10728b51f5805c4196ccc0a17d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c211557bd1e2bed01a956333821a8243e6a94b10728b51f5805c4196ccc0a17d", kill_on_drop: false }`
[INFO] [stdout] c211557bd1e2bed01a956333821a8243e6a94b10728b51f5805c4196ccc0a17d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] f8cec7d3de607e2c4882be4793bfcc95601b4bcf31a7702bc6afe93a09ba0b6f
[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" "f8cec7d3de607e2c4882be4793bfcc95601b4bcf31a7702bc6afe93a09ba0b6f", kill_on_drop: false }`
[INFO] [stderr]     Checking sized-chunks v0.6.2
[INFO] [stderr]    Compiling im-rc v15.0.0
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking simplelog v0.8.0
[INFO] [stderr]     Checking robust-binary-search v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `offset`
[INFO] [stdout]   --> src/range_map.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn offset(&self) -> 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] [stdout] warning: associated function is never used: `offset`
[INFO] [stdout]   --> src/range_map.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn offset(&self) -> 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 8.24s
[INFO] running `Command { std: "docker" "inspect" "f8cec7d3de607e2c4882be4793bfcc95601b4bcf31a7702bc6afe93a09ba0b6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8cec7d3de607e2c4882be4793bfcc95601b4bcf31a7702bc6afe93a09ba0b6f", kill_on_drop: false }`
[INFO] [stdout] f8cec7d3de607e2c4882be4793bfcc95601b4bcf31a7702bc6afe93a09ba0b6f