[INFO] fetching crate scicalc-rs 0.1.0...
[INFO] checking scicalc-rs-0.1.0 against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] extracting crate scicalc-rs 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate scicalc-rs 0.1.0 on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scicalc-rs 0.1.0
[INFO] finished tweaking crates.io crate scicalc-rs 0.1.0
[INFO] tweaked toml for crates.io crate scicalc-rs 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate scicalc-rs 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eda1e68ad2e63e7e3c721d4524bdda30b0bfd04962bd7d5e0048124cd3c0abe7
[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" "eda1e68ad2e63e7e3c721d4524bdda30b0bfd04962bd7d5e0048124cd3c0abe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eda1e68ad2e63e7e3c721d4524bdda30b0bfd04962bd7d5e0048124cd3c0abe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eda1e68ad2e63e7e3c721d4524bdda30b0bfd04962bd7d5e0048124cd3c0abe7", kill_on_drop: false }`
[INFO] [stdout] eda1e68ad2e63e7e3c721d4524bdda30b0bfd04962bd7d5e0048124cd3c0abe7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "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] f2e206b86575990da38ad9a3a3fe0890c6acf33eec29125dd42e3b27d162c9da
[INFO] running `Command { std: "docker" "start" "-a" "f2e206b86575990da38ad9a3a3fe0890c6acf33eec29125dd42e3b27d162c9da", kill_on_drop: false }`
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking scicalc-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `sig_figs`
[INFO] [stdout]   --> src/decimal.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn sig_figs(number: &str) -> 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 1.20s
[INFO] running `Command { std: "docker" "inspect" "f2e206b86575990da38ad9a3a3fe0890c6acf33eec29125dd42e3b27d162c9da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2e206b86575990da38ad9a3a3fe0890c6acf33eec29125dd42e3b27d162c9da", kill_on_drop: false }`
[INFO] [stdout] f2e206b86575990da38ad9a3a3fe0890c6acf33eec29125dd42e3b27d162c9da