[INFO] fetching crate rust_black_tree 0.1.5... [INFO] checking rust_black_tree-0.1.5 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714 [INFO] extracting crate rust_black_tree 0.1.5 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate rust_black_tree 0.1.5 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate rust_black_tree 0.1.5 [INFO] finished tweaking crates.io crate rust_black_tree 0.1.5 [INFO] tweaked toml for crates.io crate rust_black_tree 0.1.5 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate crates.io crate rust_black_tree 0.1.5 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3db97d5e10df03504233b51cf71d58a35e8c57951e3a42faa4ae5060ee8162dd [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" "3db97d5e10df03504233b51cf71d58a35e8c57951e3a42faa4ae5060ee8162dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3db97d5e10df03504233b51cf71d58a35e8c57951e3a42faa4ae5060ee8162dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3db97d5e10df03504233b51cf71d58a35e8c57951e3a42faa4ae5060ee8162dd", kill_on_drop: false }` [INFO] [stdout] 3db97d5e10df03504233b51cf71d58a35e8c57951e3a42faa4ae5060ee8162dd [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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 776933207b52ab4a08599c6de1d5e1a40f406f4be764ace566dade5a2b56eb1c [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" "776933207b52ab4a08599c6de1d5e1a40f406f4be764ace566dade5a2b56eb1c", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.16 [INFO] [stderr] Checking regex-syntax v0.6.15 [INFO] [stderr] Compiling nom v5.1.1 [INFO] [stderr] Checking serde_json v1.0.48 [INFO] [stderr] Compiling lexical-core v0.6.7 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Checking term_size v0.3.1 [INFO] [stderr] Checking isatty v0.1.9 [INFO] [stderr] Checking nix v0.14.1 [INFO] [stderr] Checking regex-automata v0.1.8 [INFO] [stderr] Checking crossbeam-epoch v0.8.2 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking bstr v0.2.11 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking rayon-core v1.7.0 [INFO] [stderr] Checking csv v1.1.3 [INFO] [stderr] Checking tinytemplate v1.0.3 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Checking regex v1.3.4 [INFO] [stderr] Checking rustyline v6.0.0 [INFO] [stderr] Checking rust_black_tree v0.1.5 (/opt/rustwide/workdir) [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Checking criterion v0.3.1 [INFO] [stdout] warning: unused import: `std::iter` [INFO] [stdout] --> benches/my_benchmark.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::iter; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Throughput` [INFO] [stdout] --> benches/my_benchmark.rs:3:74 [INFO] [stdout] | [INFO] [stdout] 3 | use criterion::{criterion_group, criterion_main, BenchmarkId, Criterion, Throughput}; [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 28.77s [INFO] running `Command { std: "docker" "inspect" "776933207b52ab4a08599c6de1d5e1a40f406f4be764ace566dade5a2b56eb1c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "776933207b52ab4a08599c6de1d5e1a40f406f4be764ace566dade5a2b56eb1c", kill_on_drop: false }` [INFO] [stdout] 776933207b52ab4a08599c6de1d5e1a40f406f4be764ace566dade5a2b56eb1c