[INFO] updating cached repository https://github.com/Roenbaeck/bareclad
[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] 2974fe7dd876d9705522ce1a3d51970a66d95453
[INFO] checking Roenbaeck/bareclad against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRoenbaeck%2Fbareclad" "/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/Roenbaeck/bareclad on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Roenbaeck/bareclad
[INFO] finished tweaking git repo https://github.com/Roenbaeck/bareclad
[INFO] tweaked toml for git repo https://github.com/Roenbaeck/bareclad written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Roenbaeck/bareclad already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] c00fadfb19e85b8eae8cd2dc041cfba991abbe8dbd00cad4942b8f0ecebdceee
[INFO] running `"docker" "start" "-a" "c00fadfb19e85b8eae8cd2dc041cfba991abbe8dbd00cad4942b8f0ecebdceee"`
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking bimap v0.4.0
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking bareclad v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `DateTime`, `Utc`
[INFO] [stderr]  --> src/main.rs:5:14
[INFO] [stderr]   |
[INFO] [stderr] 5 | use chrono::{DateTime, Utc};
[INFO] [stderr]   |              ^^^^^^^^  ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Occupied`, `Vacant`
[INFO] [stderr]   --> src/main.rs:18:45
[INFO] [stderr]    |
[INFO] [stderr] 18 |     use std::collections::hash_map::Entry::{Occupied, Vacant};
[INFO] [stderr]    |                                             ^^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashMap`
[INFO] [stderr]   --> src/main.rs:19:28
[INFO] [stderr]    |
[INFO] [stderr] 19 |     use std::collections::{HashMap, HashSet};
[INFO] [stderr]    |                            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::RefCell`
[INFO] [stderr]   --> src/main.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |     use std::cell::RefCell;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops`
[INFO] [stderr]   --> src/main.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     use std::ops;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]   --> src/main.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     use std::fmt;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DateTime`, `Utc`
[INFO] [stderr]  --> src/main.rs:5:14
[INFO] [stderr]   |
[INFO] [stderr] 5 | use chrono::{DateTime, Utc};
[INFO] [stderr]   |              ^^^^^^^^  ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Occupied`, `Vacant`
[INFO] [stderr]   --> src/main.rs:18:45
[INFO] [stderr]    |
[INFO] [stderr] 18 |     use std::collections::hash_map::Entry::{Occupied, Vacant};
[INFO] [stderr]    |                                             ^^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashMap`
[INFO] [stderr]   --> src/main.rs:19:28
[INFO] [stderr]    |
[INFO] [stderr] 19 |     use std::collections::{HashMap, HashSet};
[INFO] [stderr]    |                            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::RefCell`
[INFO] [stderr]   --> src/main.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |     use std::cell::RefCell;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops`
[INFO] [stderr]   --> src/main.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     use std::ops;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]   --> src/main.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     use std::fmt;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `d1`
[INFO] [stderr]    --> src/main.rs:167:9
[INFO] [stderr]     |
[INFO] [stderr] 167 |     let d1 = Dereference::new([kept_a1].to_vec());
[INFO] [stderr]     |         ^^ help: if this is intentional, prefix it with an underscore: `_d1`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `release`
[INFO] [stderr]   --> src/main.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |         pub fn release(&mut self, g: Identity) {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `current`
[INFO] [stderr]   --> src/main.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |         pub fn current(&self) -> usize {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_set`
[INFO] [stderr]    --> src/main.rs:144:9
[INFO] [stderr]     |
[INFO] [stderr] 144 |         pub fn get_set(&self) -> &Vec<Arc<Appearance>> {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `d1`
[INFO] [stderr]    --> src/main.rs:167:9
[INFO] [stderr]     |
[INFO] [stderr] 167 |     let d1 = Dereference::new([kept_a1].to_vec());
[INFO] [stderr]     |         ^^ help: if this is intentional, prefix it with an underscore: `_d1`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `release`
[INFO] [stderr]   --> src/main.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |         pub fn release(&mut self, g: Identity) {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `current`
[INFO] [stderr]   --> src/main.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |         pub fn current(&self) -> usize {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_set`
[INFO] [stderr]    --> src/main.rs:144:9
[INFO] [stderr]     |
[INFO] [stderr] 144 |         pub fn get_set(&self) -> &Vec<Arc<Appearance>> {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.02s
[INFO] running `"docker" "inspect" "c00fadfb19e85b8eae8cd2dc041cfba991abbe8dbd00cad4942b8f0ecebdceee"`
[INFO] running `"docker" "rm" "-f" "c00fadfb19e85b8eae8cd2dc041cfba991abbe8dbd00cad4942b8f0ecebdceee"`
[INFO] [stdout] c00fadfb19e85b8eae8cd2dc041cfba991abbe8dbd00cad4942b8f0ecebdceee