[INFO] cloning repository https://github.com/polygonhell/rusttests
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/polygonhell/rusttests" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpolygonhell%2Frusttests"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpolygonhell%2Frusttests'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3986072c5c042131daf22cd8530884e9882c6be0
[INFO] checking polygonhell/rusttests against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpolygonhell%2Frusttests" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/polygonhell/rusttests on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/polygonhell/rusttests
[INFO] finished tweaking git repo https://github.com/polygonhell/rusttests
[INFO] tweaked toml for git repo https://github.com/polygonhell/rusttests written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/polygonhell/rusttests already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 08b8589740e3ab038e78a9c87f8792fc59175da51e1474fab8688ba0f0515e29
[INFO] running `"docker" "start" "-a" "08b8589740e3ab038e78a9c87f8792fc59175da51e1474fab8688ba0f0515e29"`
[INFO] [stderr]     Checking memchr v2.2.0
[INFO] [stderr]     Checking regex-automata v0.1.7
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rayon-core v1.5.0
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.94
[INFO] [stderr]     Checking serde v1.0.94
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking bstr v0.2.1
[INFO] [stderr]     Checking csv v1.1.0
[INFO] [stderr]     Checking tinytemplate v1.0.2
[INFO] [stderr]     Checking journal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr] warning: unused import: `MemoryPageProvider`
[INFO] [stderr]    --> benches/../src/paged_vector.rs:352:23
[INFO] [stderr]     |
[INFO] [stderr] 352 | use crate::database::{MemoryPageProvider};
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> benches/../src/database.rs:276:7
[INFO] [stderr]     |
[INFO] [stderr] 276 |   use super::*;
[INFO] [stderr]     |       ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `"docker" "inspect" "08b8589740e3ab038e78a9c87f8792fc59175da51e1474fab8688ba0f0515e29"`
[INFO] running `"docker" "rm" "-f" "08b8589740e3ab038e78a9c87f8792fc59175da51e1474fab8688ba0f0515e29"`
[INFO] [stdout] 08b8589740e3ab038e78a9c87f8792fc59175da51e1474fab8688ba0f0515e29