[INFO] updating cached repository https://github.com/CosciaDiPollo/mem_shared_data
[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] dcd1c90edaa6b4389a03855f1377adf47de66f34
[INFO] checking CosciaDiPollo/mem_shared_data against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCosciaDiPollo%2Fmem_shared_data" "/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/CosciaDiPollo/mem_shared_data on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/CosciaDiPollo/mem_shared_data
[INFO] finished tweaking git repo https://github.com/CosciaDiPollo/mem_shared_data
[INFO] tweaked toml for git repo https://github.com/CosciaDiPollo/mem_shared_data written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/CosciaDiPollo/mem_shared_data already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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] a08f34b087f2bd704d451fa82ec790b52d1283834b8663eeff25f9862a07a6d1
[INFO] running `"docker" "start" "-a" "a08f34b087f2bd704d451fa82ec790b52d1283834b8663eeff25f9862a07a6d1"`
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking kv-log-macro v1.0.4
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking async-std v1.0.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking shared_mem_data v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/main.rs:5:10
[INFO] [stderr]   |
[INFO] [stderr] 5 |     io::{self, BufReader},
[INFO] [stderr]   |          ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]    --> src/main.rs:236:9
[INFO] [stderr]     |
[INFO] [stderr] 236 |     let result = task::block_on(accept_loop("127.0.0.1:8080"));
[INFO] [stderr]     |         ^^^^^^ help: consider prefixing with an underscore: `_result`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/main.rs:5:10
[INFO] [stderr]   |
[INFO] [stderr] 5 |     io::{self, BufReader},
[INFO] [stderr]   |          ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Get`
[INFO] [stderr]   --> src/main.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 | /     Get {
[INFO] [stderr] 24 | |         variable_name: String,
[INFO] [stderr] 25 | |         from: SocketAddr
[INFO] [stderr] 26 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Set`
[INFO] [stderr]   --> src/main.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 | /     Set {
[INFO] [stderr] 29 | |         variable_name: String,
[INFO] [stderr] 30 | |         variable_value: String,
[INFO] [stderr] 31 | |         from: SocketAddr
[INFO] [stderr] 32 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Unknown`
[INFO] [stderr]   --> src/main.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 | /     Unknown{
[INFO] [stderr] 35 | |         command_name: String,
[INFO] [stderr] 36 | |         from: SocketAddr
[INFO] [stderr] 37 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]    --> src/main.rs:236:9
[INFO] [stderr]     |
[INFO] [stderr] 236 |     let result = task::block_on(accept_loop("127.0.0.1:8080"));
[INFO] [stderr]     |         ^^^^^^ help: consider prefixing with an underscore: `_result`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Get`
[INFO] [stderr]   --> src/main.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 | /     Get {
[INFO] [stderr] 24 | |         variable_name: String,
[INFO] [stderr] 25 | |         from: SocketAddr
[INFO] [stderr] 26 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Set`
[INFO] [stderr]   --> src/main.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 | /     Set {
[INFO] [stderr] 29 | |         variable_name: String,
[INFO] [stderr] 30 | |         variable_value: String,
[INFO] [stderr] 31 | |         from: SocketAddr
[INFO] [stderr] 32 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Unknown`
[INFO] [stderr]   --> src/main.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 | /     Unknown{
[INFO] [stderr] 35 | |         command_name: String,
[INFO] [stderr] 36 | |         from: SocketAddr
[INFO] [stderr] 37 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.32s
[INFO] running `"docker" "inspect" "a08f34b087f2bd704d451fa82ec790b52d1283834b8663eeff25f9862a07a6d1"`
[INFO] running `"docker" "rm" "-f" "a08f34b087f2bd704d451fa82ec790b52d1283834b8663eeff25f9862a07a6d1"`
[INFO] [stdout] a08f34b087f2bd704d451fa82ec790b52d1283834b8663eeff25f9862a07a6d1