[INFO] fetching crate torro 0.0.0-pre.1...
[INFO] checking torro-0.0.0-pre.1 against master#a836d9b6413d9d593be6c09463ff8c4c70e56599 for pr-84037
[INFO] extracting crate torro 0.0.0-pre.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate torro 0.0.0-pre.1 on toolchain a836d9b6413d9d593be6c09463ff8c4c70e56599
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate torro 0.0.0-pre.1
[INFO] finished tweaking crates.io crate torro 0.0.0-pre.1
[INFO] tweaked toml for crates.io crate torro 0.0.0-pre.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate torro 0.0.0-pre.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "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] 623b34a83796ec069214c0f0d6cef3c0e7a0572a4ddaf66883bffb3be7748ead
[INFO] running `Command { std: "docker" "start" "-a" "623b34a83796ec069214c0f0d6cef3c0e7a0572a4ddaf66883bffb3be7748ead", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "623b34a83796ec069214c0f0d6cef3c0e7a0572a4ddaf66883bffb3be7748ead", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "623b34a83796ec069214c0f0d6cef3c0e7a0572a4ddaf66883bffb3be7748ead", kill_on_drop: false }`
[INFO] [stdout] 623b34a83796ec069214c0f0d6cef3c0e7a0572a4ddaf66883bffb3be7748ead
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "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] 92025a29e5387a1411f3b3679e6bbb889a36a73f7fff190959e67b2cdad6a22f
[INFO] running `Command { std: "docker" "start" "-a" "92025a29e5387a1411f3b3679e6bbb889a36a73f7fff190959e67b2cdad6a22f", kill_on_drop: false }`
[INFO] [stderr]     Checking torro v0.0.0-pre.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `randish`
[INFO] [stdout]   --> src/utils.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn randish() -> u128 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `generate_torro_id`
[INFO] [stdout]   --> src/utils.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn generate_torro_id() -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "92025a29e5387a1411f3b3679e6bbb889a36a73f7fff190959e67b2cdad6a22f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92025a29e5387a1411f3b3679e6bbb889a36a73f7fff190959e67b2cdad6a22f", kill_on_drop: false }`
[INFO] [stdout] 92025a29e5387a1411f3b3679e6bbb889a36a73f7fff190959e67b2cdad6a22f