[INFO] fetching crate insertion-sort 0.1.0...
[INFO] checking insertion-sort-0.1.0 against master#c9228570668803e3e6402770d55f23a12c9ae686 for pr-79472
[INFO] extracting crate insertion-sort 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate insertion-sort 0.1.0 on toolchain c9228570668803e3e6402770d55f23a12c9ae686
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate insertion-sort 0.1.0
[INFO] finished tweaking crates.io crate insertion-sort 0.1.0
[INFO] tweaked toml for crates.io crate insertion-sort 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0cf51a5a1e00978cafa47048663e7ff3ba39db10ef0b7c288ac8ff744119d35
[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" "e0cf51a5a1e00978cafa47048663e7ff3ba39db10ef0b7c288ac8ff744119d35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0cf51a5a1e00978cafa47048663e7ff3ba39db10ef0b7c288ac8ff744119d35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0cf51a5a1e00978cafa47048663e7ff3ba39db10ef0b7c288ac8ff744119d35", kill_on_drop: false }`
[INFO] [stdout] e0cf51a5a1e00978cafa47048663e7ff3ba39db10ef0b7c288ac8ff744119d35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 863ee5eb091355d71eaee4f0f0a0fa0a0772bdeaa8cd68d26b3319e10821b235
[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" "863ee5eb091355d71eaee4f0f0a0fa0a0772bdeaa8cd68d26b3319e10821b235", kill_on_drop: false }`
[INFO] [stderr]     Checking insertion-sort v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `sort`
[INFO] [stdout]  --> src/insertion_sort.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn sort(v: Vec<i32>) -> Vec<i32> {
[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 0.66s
[INFO] running `Command { std: "docker" "inspect" "863ee5eb091355d71eaee4f0f0a0fa0a0772bdeaa8cd68d26b3319e10821b235", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "863ee5eb091355d71eaee4f0f0a0fa0a0772bdeaa8cd68d26b3319e10821b235", kill_on_drop: false }`
[INFO] [stdout] 863ee5eb091355d71eaee4f0f0a0fa0a0772bdeaa8cd68d26b3319e10821b235