[INFO] updating cached repository adumbidiot/quarky
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/adumbidiot/quarky
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/adumbidiot/quarky" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/adumbidiot/quarky"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/adumbidiot/quarky'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/adumbidiot/quarky" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/adumbidiot/quarky"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/adumbidiot/quarky'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0715a4314d2ea490f21e6b6b79bfdf68328e5c17
[INFO] sha for GitHub repo adumbidiot/quarky: 0715a4314d2ea490f21e6b6b79bfdf68328e5c17
[INFO] validating manifest of adumbidiot/quarky on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of adumbidiot/quarky on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing adumbidiot/quarky
[INFO] finished frobbing adumbidiot/quarky
[INFO] frobbed toml for adumbidiot/quarky written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/adumbidiot/quarky/Cargo.toml
[INFO] started frobbing adumbidiot/quarky
[INFO] finished frobbing adumbidiot/quarky
[INFO] frobbed toml for adumbidiot/quarky written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/adumbidiot/quarky/Cargo.toml
[INFO] crate adumbidiot/quarky already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking adumbidiot/quarky against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-0/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/adumbidiot/quarky:/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] abddd401d1a5b95d9348e32d8eafd74e174a19444b89b35c2f88d608aff0f837
[INFO] running `"docker" "start" "-a" "abddd401d1a5b95d9348e32d8eafd74e174a19444b89b35c2f88d608aff0f837"`
[INFO] [stderr]    Compiling syn v0.15.18
[INFO] [stderr]     Checking clokwerk v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking serenity v0.5.10
[INFO] [stderr]     Checking quarky v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]   --> src/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | use std::fs::File;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use std::io::Read;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]   --> src/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | use std::fs::File;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use std::io::Read;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `event_thread_handle`
[INFO] [stderr]    --> src/main.rs:127:6
[INFO] [stderr]     |
[INFO] [stderr] 127 |     let event_thread_handle = scheduler.watch_thread(Duration::from_secs(60 * 5));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_event_thread_handle`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/main.rs:55:20
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn message(&self, ctx: Context, msg: Message){
[INFO] [stderr]    |                       ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msg`
[INFO] [stderr]   --> src/main.rs:55:34
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn message(&self, ctx: Context, msg: Message){
[INFO] [stderr]    |                                     ^^^ help: consider prefixing with an underscore: `_msg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msg`
[INFO] [stderr]   --> src/commands/announce.rs:31:37
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn execute(&self, _: &mut Context, msg: &Message, mut args: Args) -> Result<(), serenity::framework::standard::CommandError> {
[INFO] [stderr]    |                                        ^^^ help: consider prefixing with an underscore: `_msg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `event_thread_handle`
[INFO] [stderr]    --> src/main.rs:127:6
[INFO] [stderr]     |
[INFO] [stderr] 127 |     let event_thread_handle = scheduler.watch_thread(Duration::from_secs(60 * 5));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_event_thread_handle`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/main.rs:55:20
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn message(&self, ctx: Context, msg: Message){
[INFO] [stderr]    |                       ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msg`
[INFO] [stderr]   --> src/main.rs:55:34
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn message(&self, ctx: Context, msg: Message){
[INFO] [stderr]    |                                     ^^^ help: consider prefixing with an underscore: `_msg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msg`
[INFO] [stderr]   --> src/commands/announce.rs:31:37
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn execute(&self, _: &mut Context, msg: &Message, mut args: Args) -> Result<(), serenity::framework::standard::CommandError> {
[INFO] [stderr]    |                                        ^^^ help: consider prefixing with an underscore: `_msg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/commands/announce.rs:51:6
[INFO] [stderr]    |
[INFO] [stderr] 51 |                     channel.say(announcement);
[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: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/commands/announce.rs:51:6
[INFO] [stderr]    |
[INFO] [stderr] 51 |                     channel.say(announcement);
[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 37.90s
[INFO] running `"docker" "inspect" "abddd401d1a5b95d9348e32d8eafd74e174a19444b89b35c2f88d608aff0f837"`
[INFO] running `"docker" "rm" "-f" "abddd401d1a5b95d9348e32d8eafd74e174a19444b89b35c2f88d608aff0f837"`
[INFO] [stdout] abddd401d1a5b95d9348e32d8eafd74e174a19444b89b35c2f88d608aff0f837