[INFO] fetching crate relp-num 0.0.3...
[INFO] checking relp-num-0.0.3 against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194
[INFO] extracting crate relp-num 0.0.3 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate relp-num 0.0.3 on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate relp-num 0.0.3
[INFO] finished tweaking crates.io crate relp-num 0.0.3
[INFO] tweaked toml for crates.io crate relp-num 0.0.3 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "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] 9237f70d4f4aa388398e0114af1c3cfd08f70a823642b81579cdfe184938b1b5
[INFO] running `Command { std: "docker" "start" "-a" "9237f70d4f4aa388398e0114af1c3cfd08f70a823642b81579cdfe184938b1b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9237f70d4f4aa388398e0114af1c3cfd08f70a823642b81579cdfe184938b1b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9237f70d4f4aa388398e0114af1c3cfd08f70a823642b81579cdfe184938b1b5", kill_on_drop: false }`
[INFO] [stdout] 9237f70d4f4aa388398e0114af1c3cfd08f70a823642b81579cdfe184938b1b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38f8437fcef413fd4a972d6fcc4321f2b093e0c99f53b2608cd273e6ba69437c
[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" "38f8437fcef413fd4a972d6fcc4321f2b093e0c99f53b2608cd273e6ba69437c", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling relp-num v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `add_n`
[INFO] [stdout]    --> src/rational/big/ops/building_blocks.rs:221:15
[INFO] [stdout]     |
[INFO] [stdout] 221 | pub unsafe fn add_n(target: &mut [usize], left: &[usize], right: &[usize], size: i32) -> 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: function is never used: `add_n`
[INFO] [stdout]    --> src/rational/big/ops/building_blocks.rs:221:15
[INFO] [stdout]     |
[INFO] [stdout] 221 | pub unsafe fn add_n(target: &mut [usize], left: &[usize], right: &[usize], size: i32) -> 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 9.08s
[INFO] running `Command { std: "docker" "inspect" "38f8437fcef413fd4a972d6fcc4321f2b093e0c99f53b2608cd273e6ba69437c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38f8437fcef413fd4a972d6fcc4321f2b093e0c99f53b2608cd273e6ba69437c", kill_on_drop: false }`
[INFO] [stdout] 38f8437fcef413fd4a972d6fcc4321f2b093e0c99f53b2608cd273e6ba69437c