[INFO] cloning repository https://github.com/Axylos/thingy
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Axylos/thingy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAxylos%2Fthingy"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAxylos%2Fthingy'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5700a8bb781514ab8dd64bf815aaf0b2636b20ba
[INFO] checking Axylos/thingy against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAxylos%2Fthingy" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Axylos/thingy 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/Axylos/thingy
[INFO] finished tweaking git repo https://github.com/Axylos/thingy
[INFO] tweaked toml for git repo https://github.com/Axylos/thingy written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/Axylos/thingy already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 7558f4d7e7bc56827eefc6e2e73dcb9acf70bc50af0a23060e2f0b30b1432f9e
[INFO] running `"docker" "start" "-a" "7558f4d7e7bc56827eefc6e2e73dcb9acf70bc50af0a23060e2f0b30b1432f9e"`
[INFO] [stderr]     Checking rustc-demangle v0.1.11
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]     Checking backtrace-sys v0.1.28
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking backtrace v0.3.13
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking syslog v4.0.1
[INFO] [stderr]     Checking simple_logger v1.0.1
[INFO] [stderr]     Checking ftest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `simple_logger`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use simple_logger;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Facility`, `Formatter3164`
[INFO] [stderr]  --> src/drakey_logger.rs:2:14
[INFO] [stderr]   |
[INFO] [stderr] 2 | use syslog::{Facility, Formatter3164};
[INFO] [stderr]   |              ^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ENOSYS`
[INFO] [stderr]   --> src/main.rs:12:20
[INFO] [stderr]    |
[INFO] [stderr] 12 | use libc::{ENOENT, ENOSYS};
[INFO] [stderr]    |                    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `simple_logger`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use simple_logger;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Facility`, `Formatter3164`
[INFO] [stderr]  --> src/drakey_logger.rs:2:14
[INFO] [stderr]   |
[INFO] [stderr] 2 | use syslog::{Facility, Formatter3164};
[INFO] [stderr]   |              ^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ENOSYS`
[INFO] [stderr]   --> src/main.rs:12:20
[INFO] [stderr]    |
[INFO] [stderr] 12 | use libc::{ENOENT, ENOSYS};
[INFO] [stderr]    |                    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]   --> src/main.rs:44:24
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn init(&mut self, req: &Request) -> Result<(), i32> {
[INFO] [stderr]    |                        ^^^ help: consider prefixing with an underscore: `_req`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `foo`
[INFO] [stderr]  --> src/drakey.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 |     pub fn foo() {
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]   --> src/main.rs:44:24
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn init(&mut self, req: &Request) -> Result<(), i32> {
[INFO] [stderr]    |                        ^^^ help: consider prefixing with an underscore: `_req`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]  --> src/drakey_logger.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | /     syslog::init(syslog::Facility::LOG_USER,
[INFO] [stderr] 6 | |                  log::LevelFilter::Debug,
[INFO] [stderr] 7 | |                  Some("file system"));
[INFO] [stderr]   | |______________________________________^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `foo`
[INFO] [stderr]  --> src/drakey.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 |     pub fn foo() {
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]  --> src/drakey_logger.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | /     syslog::init(syslog::Facility::LOG_USER,
[INFO] [stderr] 6 | |                  log::LevelFilter::Debug,
[INFO] [stderr] 7 | |                  Some("file system"));
[INFO] [stderr]   | |______________________________________^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.69s
[INFO] running `"docker" "inspect" "7558f4d7e7bc56827eefc6e2e73dcb9acf70bc50af0a23060e2f0b30b1432f9e"`
[INFO] running `"docker" "rm" "-f" "7558f4d7e7bc56827eefc6e2e73dcb9acf70bc50af0a23060e2f0b30b1432f9e"`
[INFO] [stdout] 7558f4d7e7bc56827eefc6e2e73dcb9acf70bc50af0a23060e2f0b30b1432f9e