[INFO] updating cached repository https://github.com/tureus/avvy
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4d1ce7db5498c45205aa1a4fdd56fb1f4f4f79f1
[INFO] checking tureus/avvy against master#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftureus%2Favvy" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tureus/avvy on toolchain 6250d56355d72264ece721e8d0dc95b16a6824b1
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/tureus/avvy
[INFO] finished tweaking git repo https://github.com/tureus/avvy
[INFO] tweaked toml for git repo https://github.com/tureus/avvy written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/tureus/avvy already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "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] 1976b26c4d315f1d025aff151ad80c67d226a9900a5c2f5260106a262573ac5e
[INFO] running `"docker" "start" "-a" "1976b26c4d315f1d025aff151ad80c67d226a9900a5c2f5260106a262573ac5e"`
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]    Compiling quote v0.6.4
[INFO] [stderr]     Checking criterion-plot v0.2.4
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking criterion-stats v0.2.4
[INFO] [stderr]    Compiling pest_derive v1.0.7
[INFO] [stderr]     Checking smallvec v0.6.3
[INFO] [stderr]     Checking itertools-num v0.1.1
[INFO] [stderr]     Checking simplelog v0.5.2
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]    Compiling syn v0.14.5
[INFO] [stderr]     Checking csv v1.0.0
[INFO] [stderr]     Checking handlebars v0.32.4
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]     Checking criterion v0.2.4
[INFO] [stderr]     Checking avvy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]    --> benches/criterion.rs:423:32
[INFO] [stderr]     |
[INFO] [stderr] 423 |         use std::io::{ Cursor, Read };
[INFO] [stderr]     |                                ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ByteOrder`
[INFO] [stderr]    --> benches/criterion.rs:424:25
[INFO] [stderr]     |
[INFO] [stderr] 424 |         use byteorder::{ByteOrder, LittleEndian, ReadBytesExt};
[INFO] [stderr]     |                         ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `ut_deserializer_benchmark`
[INFO] [stderr]    --> benches/criterion.rs:262:4
[INFO] [stderr]     |
[INFO] [stderr] 262 | fn ut_deserializer_benchmark(c: &mut Criterion) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `ut_vec_string_conversion_benchmark`
[INFO] [stderr]    --> benches/criterion.rs:271:4
[INFO] [stderr]     |
[INFO] [stderr] 271 | fn ut_vec_string_conversion_benchmark(c: &mut Criterion) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `ut_vec_raw_string_conversion_benchmark`
[INFO] [stderr]    --> benches/criterion.rs:292:4
[INFO] [stderr]     |
[INFO] [stderr] 292 | fn ut_vec_raw_string_conversion_benchmark(c: &mut Criterion) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `ut_vec_raw_buf_conversion_benchmark`
[INFO] [stderr]    --> benches/criterion.rs:314:4
[INFO] [stderr]     |
[INFO] [stderr] 314 | fn ut_vec_raw_buf_conversion_benchmark(c: &mut Criterion) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `ut_vec_raw_buf_forloop2_conversion_benchmark`
[INFO] [stderr]    --> benches/criterion.rs:335:4
[INFO] [stderr]     |
[INFO] [stderr] 335 | fn ut_vec_raw_buf_forloop2_conversion_benchmark(c: &mut Criterion) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `ut_vec_write_buf_noloop_benchmark`
[INFO] [stderr]    --> benches/criterion.rs:356:4
[INFO] [stderr]     |
[INFO] [stderr] 356 | fn ut_vec_write_buf_noloop_benchmark(c: &mut Criterion) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `ut_vec_write_buf_noloop_nodebug_benchmark`
[INFO] [stderr]    --> benches/criterion.rs:375:4
[INFO] [stderr]     |
[INFO] [stderr] 375 | fn ut_vec_write_buf_noloop_nodebug_benchmark(c: &mut Criterion) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.79s
[INFO] running `"docker" "inspect" "1976b26c4d315f1d025aff151ad80c67d226a9900a5c2f5260106a262573ac5e"`
[INFO] running `"docker" "rm" "-f" "1976b26c4d315f1d025aff151ad80c67d226a9900a5c2f5260106a262573ac5e"`
[INFO] [stdout] 1976b26c4d315f1d025aff151ad80c67d226a9900a5c2f5260106a262573ac5e