[INFO] updating cached repository Axylos/thingy
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Axylos/thingy
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Axylos/thingy" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/Axylos/thingy"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/Axylos/thingy'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Axylos/thingy" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/Axylos/thingy"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/Axylos/thingy'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5700a8bb781514ab8dd64bf815aaf0b2636b20ba
[INFO] sha for GitHub repo Axylos/thingy: 5700a8bb781514ab8dd64bf815aaf0b2636b20ba
[INFO] validating manifest of Axylos/thingy on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Axylos/thingy on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Axylos/thingy
[INFO] finished frobbing Axylos/thingy
[INFO] frobbed toml for Axylos/thingy written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/Axylos/thingy/Cargo.toml
[INFO] started frobbing Axylos/thingy
[INFO] finished frobbing Axylos/thingy
[INFO] frobbed toml for Axylos/thingy written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/Axylos/thingy/Cargo.toml
[INFO] crate Axylos/thingy already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking Axylos/thingy against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-4/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/Axylos/thingy:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 10f9b399f79e400f490cef02c52ba950834cec15a9bc89bcc15e2e9e785068d5
[INFO] running `"docker" "start" "-a" "10f9b399f79e400f490cef02c52ba950834cec15a9bc89bcc15e2e9e785068d5"`
[INFO] [stderr]     Checking fuse v0.3.1
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking syslog v4.0.1
[INFO] [stderr]     Checking ftest v0.1.0 (/opt/crater/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: 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 `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 3.02s
[INFO] running `"docker" "inspect" "10f9b399f79e400f490cef02c52ba950834cec15a9bc89bcc15e2e9e785068d5"`
[INFO] running `"docker" "rm" "-f" "10f9b399f79e400f490cef02c52ba950834cec15a9bc89bcc15e2e9e785068d5"`
[INFO] [stdout] 10f9b399f79e400f490cef02c52ba950834cec15a9bc89bcc15e2e9e785068d5