[INFO] fetching crate Project2 0.1.3...
[INFO] checking Project2-0.1.3 against try#13f916f63bc6575d5ff1f989237dfabe88981368 for pr-69880
[INFO] extracting crate Project2 0.1.3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate Project2 0.1.3 on toolchain 13f916f63bc6575d5ff1f989237dfabe88981368
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate Project2 0.1.3
[INFO] finished tweaking crates.io crate Project2 0.1.3
[INFO] tweaked toml for crates.io crate Project2 0.1.3 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate Project2 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7a21c36c4b3196c3ea32af6645c84a29de8fd05c2539cb0c5795259b44c739a3
[INFO] running `"docker" "start" "-a" "7a21c36c4b3196c3ea32af6645c84a29de8fd05c2539cb0c5795259b44c739a3"`
[INFO] [stderr]     Checking regex-syntax v0.6.15
[INFO] [stderr]     Checking Project2 v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking criterion-plot v0.4.1
[INFO] [stderr]     Checking bstr v0.2.11
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking criterion v0.3.1
[INFO] [stderr] warning: unused import: `black_box`
[INFO] [stderr]  --> benches/my_benchmark.rs:1:17
[INFO] [stderr]   |
[INFO] [stderr] 1 | use criterion::{black_box, criterion_group, criterion_main, Criterion};
[INFO] [stderr]   |                 ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `Binary` should have a snake case name
[INFO] [stderr]  --> benches/my_benchmark.rs:8:4
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn Binary(val : u32){
[INFO] [stderr]   |    ^^^^^^ help: convert the identifier to snake case: `binary`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `RBTree` should have a snake case name
[INFO] [stderr]   --> benches/my_benchmark.rs:18:4
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn RBTree(val : u32) {
[INFO] [stderr]    |    ^^^^^^ help: convert the identifier to snake case: `rbtree`
[INFO] [stderr] 
[INFO] [stderr] warning: function `AVLTree` should have a snake case name
[INFO] [stderr]   --> benches/my_benchmark.rs:28:4
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn AVLTree(val : u32) {
[INFO] [stderr]    |    ^^^^^^^ help: convert the identifier to snake case: `avltree`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.64s
[INFO] running `"docker" "inspect" "7a21c36c4b3196c3ea32af6645c84a29de8fd05c2539cb0c5795259b44c739a3"`
[INFO] running `"docker" "rm" "-f" "7a21c36c4b3196c3ea32af6645c84a29de8fd05c2539cb0c5795259b44c739a3"`
[INFO] [stdout] 7a21c36c4b3196c3ea32af6645c84a29de8fd05c2539cb0c5795259b44c739a3